Instalatii electrice interioare

<div class="Style24" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; text-align: justify; text-indent: 0.5in;"> <div class="separator" style="clear: both; text-align: center;"> <a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi4d9MUj1TxlK428FdR6xSxvV2Vogm92PX4D7iE4EWPJrCYH4AoCnhooSzlZEHnr5agmst4JUtPcgGi5dxt_45c7xfH0Y27VFNe7FicW7zPhn1GLXF_TqvexcBnRbUCiOu8DV0u6uXFv6o/s1600/INFO+ARC.png" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" data-original-height="288" data-original-width="960" height="192" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi4d9MUj1TxlK428FdR6xSxvV2Vogm92PX4D7iE4EWPJrCYH4AoCnhooSzlZEHnr5agmst4JUtPcgGi5dxt_45c7xfH0Y27VFNe7FicW7zPhn1GLXF_TqvexcBnRbUCiOu8DV0u6uXFv6o/s640/INFO+ARC.png" width="640" /></a></div> <div class="separator" style="clear: both; text-align: center;"> </div> <span class="FontStyle48"><span lang="RO" style="font-family: "times new roman";">Orice instalatie electrica se executa dupa un proiect de executie intocmit de proiectantii de specialitate. Acest </span></span><span class="FontStyle49"><span lang="RO" style="font-family: "times new roman";">proiect este insotit de planuri (desene) de executie si de schemele instalatiilor electrice in care sunt reprezentate  prin semne conventionale  toate clementele componente ale instalatiei proiectate si locul lor de amplasare.</span></span></div> <div class="Style9" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: normal; text-align: justify; text-indent: 0.5in;"> <span class="FontStyle49"><span lang="RO" style="font-family: "times new roman";">Instalatiile electrice de iluminat sunt alimentate de la tablouri de distributie separate de cele care alimenteaza instalatiile electrice de forta</span></span><span class="FontStyle49"><span lang="RO" style="font-family: "times new roman";">. </span></span><span class="FontStyle48"><span lang="RO" style="font-family: "times new roman";">Corpurile de iluminat, aparatele electrocasnice etc. functioneaza cu, curent alternativ monofazat sau trifazat. Circuitul de curent monofazat este compus dintr-un conductor la un anumit potential (faza) si un conductor la potential zero (nulul). Daca s-ar monta toate lampile si prizele existente intr-o cladire pe un singur circuit monofazat, acesta ar trebui sa aiba o sectiune prea mare. in plus, daca s-ar defecta faza de alimentare cu tensiune, intreaga cladire ar ramane in intuneric. </span></span><span class="FontStyle51"><span lang="RO" style="font-family: "times new roman";">De </span></span><span class="FontStyle48"><span lang="RO" style="font-family: "times new roman";">aceea, acolo unde numarul consumatorilor de energie electrica este mare, sau in cazul instalatiilor de forta, alimentarea tabloului general de distributie se executa in sistemul cu patru conductoare (trei conductoare de faza si un conductor neutru), iar circuitele care alimenteaza lampile din incaperi, sali etc., se leaga la cate o faza si un nul al tabloului de distributie, astfel incat sa se realizeze o incarcare cat mai uniforma a acestora..</span></span><br /> <span class="FontStyle48"><span lang="RO" style="font-family: "times new roman";">Operatile ce trebuiesc respectate, pentru realizarea unei instalatii electrice</span></span><br /> <div class="separator" style="clear: both; text-align: center;"> <a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEir8WrkhWktIrtNRAtvJNcFicMXKqH1m-CiRRHCo6fhW7D6fQg7G_PgMfLROleVWO5bzyfbopGqqRR2CdvafWmSyUGR9aDjVIhZQcK2WB5XoqQje1IgB17XLBRiP1d7lao3eLzCe47R1J8/s1600/Info+electrica.jpg" imageanchor="1" style="clear: right; float: right; margin-bottom: 1em; margin-left: 1em;"><img border="0" data-original-height="1600" data-original-width="1490" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEir8WrkhWktIrtNRAtvJNcFicMXKqH1m-CiRRHCo6fhW7D6fQg7G_PgMfLROleVWO5bzyfbopGqqRR2CdvafWmSyUGR9aDjVIhZQcK2WB5XoqQje1IgB17XLBRiP1d7lao3eLzCe47R1J8/s320/Info+electrica.jpg" width="297" /></a></div> <span class="FontStyle48"><span lang="RO" style="font-family: "times new roman";"><br /></span></span></div> <div class="Style9" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: 18px; margin-left: 0in; text-align: justify; text-indent: 0.25in;"> <b><span lang="RO" style="font-family: "times new roman";">1.<span style="font-size: 7pt; font-stretch: normal; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: normal; line-height: normal;">     </span></span></b><b><u><span lang="RO" style="font-family: "times new roman";">Transpunerea schemei tehnice dupa proiect</span></u></b></div> <div class="Style9" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: normal; text-align: justify;"> <span class="FontStyle48"><span lang="RO" style="font-family: "times new roman";">            Aceasta este o operatie importanta, care consta in </span></span><span class="FontStyle51"><span lang="RO" style="font-family: "times new roman";">identificarea si transpunerea cu precizie pe teren a continutului planurilor</span></span><span class="FontStyle51"><span lang="RO" style="font-family: "times new roman";">. </span></span><span class="FontStyle48"><span lang="RO" style="font-family: "times new roman";">Cu aceasta ocazie se va insemna locul unde se monteaza: corpurile de iluminat, intreruptoarele, prizele, dozele, masinile electrice etc., precum si tablourile de distributie, tuburile de protectie, ca si locurile unde se vor executa strapungerile prin ziduri si plansee.</span></span></div> <div class="Style9" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: normal; text-align: justify; text-indent: 0.5in;"> <span class="FontStyle49"><span lang="RO" style="font-family: "times new roman";">Trasarea circuitelor</span></span><span class="FontStyle49"><span lang="RO" style="font-family: "times new roman";"> </span></span><span class="FontStyle48"><span lang="RO" style="font-family: "times new roman";">se efectueaza cu ajutorul sforii de trasat, inne­grite de negru de fum. Doi lucratori intind bine sfoara, tragand de capetele ei. Ciupind sfoara, ea se loveste de peretele (sau tavanul) pe care a fost intinsa si lasa o dunga neagra, marcand astfel traseul circuitului.</span></span></div> <div class="Style9" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: 18px; text-align: justify;"> <span class="FontStyle48"><span lang="RO" style="font-family: "times new roman"; line-height: 18px;">La instalatiile ingropate, circuitele se traseaza pe constructia netencuita.</span></span></div> <div class="Style9" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: normal; text-align: justify;"> <span class="FontStyle48"><span lang="RO" style="font-family: "times new roman";">Trasarea se face cu creta sau cu carbune, folosindu-se semnele conventionale pentru aparatele respective.</span></span></div> <div class="Style9" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: normal; text-align: justify; text-indent: 0.5in;"> <span class="FontStyle49"><span lang="RO" style="font-family: "times new roman";">Orientarea orizontala a sforii</span></span><span class="FontStyle49"><span lang="RO" style="font-family: "times new roman";"> </span></span><span class="FontStyle48"><span lang="RO" style="font-family: "times new roman";">inainte de trasare se verifica cu nivela cu bula de aer, cu metrul sau cu compasul de lemn, masurandu-se distanta de la tavan piua la sfoara de trasaj. De obicei, aceasta distanta este de circa 30-50 cm de la tavan.</span></span></div> <div class="Style9" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: normal; text-align: justify; text-indent: 0.5in;"> <span class="FontStyle49"><span lang="RO" style="font-family: "times new roman";">Directia verticala a traseelor</span></span><span class="FontStyle49"><span lang="RO" style="font-family: "times new roman";"> </span></span><span class="FontStyle48"><span lang="RO" style="font-family: "times new roman";">se verifica in prealabil cu firul de plumb<br />sau cu nivela cu bula de aer.</span></span></div> <div class="Style9" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: 18px; text-align: justify;"> <span class="FontStyle48"><span lang="RO" style="font-family: "times new roman"; line-height: 18px;"></span></span></div> <div class="Style9" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: 18px; margin-left: 0in; text-align: justify; text-indent: 0.25in;"> <b><span lang="RO" style="font-family: "times new roman";">2.<span style="font-size: 7pt; font-stretch: normal; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: normal; line-height: normal;">     </span></span></b><b><u><span lang="RO" style="font-family: "times new roman";">Saparea santurilor si efectuarea strapungerilor</span></u></b></div> <div class="Style9" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: normal; text-align: justify; text-indent: 0.5in;"> <span class="FontStyle48"><span lang="RO" style="font-family: "times new roman";">Saparea santurilor in pereti, pentru introducerea tuburilor de protectie, precum si saparea locasurilor pentru dibluri, doze, intreruptoare si prize se executa cu dalta lata, dalta cu varf si cu ciocanul, cu ciocane pneumatice sau masini electrice de gaurit si frezat santuri. Drumul circuitelor pe pereti se va stabili, pe cat posibil, de-a lungul rosturilor caramizilor zidariei.</span></span></div> <div class="Style9" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: normal; text-align: justify;"> <span class="FontStyle48"><span lang="RO" style="font-family: "times new roman";">Santurile nu trebuie facute prea adanci, deoarece se slabeste rezistenta zidurilor, dar nici prea putin adanci, pentru ca in acest caz exista pericolul turtirii tuburilor de protectie cu ocazia tencuirii zidului. Dimensiunile santurilor vor fi corespunzatoare numarului si dimensiunilor tubului care se va monta.</span></span></div> <div class="Style9" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: normal; text-align: justify; text-indent: 0.5in;"> <span class="FontStyle49"><span lang="RO" style="font-family: "times new roman";">In tavan nu se daltuiesc santuri. Tubul de protectie se monteaza peste planseu</span></span><span class="FontStyle49"><span lang="RO" style="font-family: "times new roman";"> </span></span><span class="FontStyle48"><span lang="RO" style="font-family: "times new roman";">(deasupra tavanului), de unde intra apoi in incapere, printr-o gaura facuta in mijlocul suprafetei tavanului, pentru locul de lampa </span></span><span class="FontStyle51"><span lang="RO" style="font-family: "times new roman";">si </span></span><span class="FontStyle48"><span lang="RO" style="font-family: "times new roman";">altele langa perete, pentru derivatiile la doze.</span></span><span lang="RO" style="font-family: "times new roman";"></span></div> <div class="Style9" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: normal; text-align: justify; text-indent: 0.5in;"> <span class="FontStyle48"><span lang="RO" style="font-family: "times new roman";">Gaurile pentru dozele montate ingropat se executa cu o adancime corespunzatoare, in asa fel incat marginea dozei gata montate sa tina seama ca stratul de tencuiala are de obicei grosimea de </span></span><span class="FontStyle51"><span lang="RO" style="font-family: "times new roman";">1 -1,5 </span></span><span class="FontStyle48"><span lang="RO" style="font-family: "times new roman";">cm in cazul in care dozele se instaleaza aparent, trebuie sapate in perete locasurile pentru diblurile de lemn.</span></span></div> <div class="Style9" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: normal; text-align: justify; text-indent: 0.5in;"> <span class="FontStyle48"><span lang="RO" style="font-family: "times new roman";">Strapungerea planseelor din beton monolit se executa numai de jos in sus pe </span></span><span class="FontStyle51"><span lang="RO" style="font-family: "times new roman";">2/3 </span></span><span class="FontStyle48"><span lang="RO" style="font-family: "times new roman";">din grosimea planseului si apoi se completeaza de sus in jos, aceasta pentru a nu slabi rezistenta planseului.</span></span></div> <div class="Style9" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: normal; text-align: justify; text-indent: 0.5in;"> <span class="FontStyle48"><span lang="RO" style="font-family: "times new roman";">La planseele de prefabricate, gaurile se dau de obicei inainte de montarea elementelor pe plansee in locul lor. Grinzile prefabricate nu se strapung.</span></span></div> <div class="Style9" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: 18px; text-align: justify;"> <br /></div> <div class="Style9" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: 18px; margin-left: 0in; text-align: justify; text-indent: 0.25in;"> <b><span lang="RO" style="font-family: "times new roman";">3.<span style="font-size: 7pt; font-stretch: normal; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: normal; line-height: normal;">     </span></span></b><b><u><span lang="RO" style="font-family: "times new roman";">Montarea tuburilor de protectie</span></u></b></div> <div align="center" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px;"> <br /> <div id="beacon_51d12aaab3" style="left: 0px; position: absolute; top: 0px; visibility: hidden;"> <img height="0" src="https://cat.nl.eu.criteo.com/delivery/lg.php?cppv=1&cpp=LgQNa3x1UDI3ZGg2YnRVQVdsT3NzSlJZVkxtdzFjQ2MzYjdHVkVSamd4VjdVVHA3b0FkeDBuZWRndUhOSVA5V0ZKVk52YTVMU0lqemNRQ3pXMFlXdmgxeHBlMit5bEpVdHpzTWJqTDJybk9uazNmMHRUZWVCUzhiV0tyQ0FnZEp1d3NZelk5WEdwMkNFc0RaaDZFdG1XbTJsWGlkb0dsdUJTR0krUkJHTXNJRUlnYlVFSEo2THZ2RzREUnEwSlJ2TlhJUUN6cGtZT24wcHN2azFXeDl1WFJVT2ZwWVVyb2RLeEdxNDA4aXVzUHJzY3dXcWFQbytTM0lObmxPYndkU3lSMlQrfA%3D%3D" width="0" /></div> <ins class="adsbygoogle" data-ad-client="ca-pub-9530617331602271" data-ad-format="fluid" data-ad-layout="in-article" data-ad-slot="9169051542" data-adsbygoogle-status="done" style="display: block; height: 0px;"><ins id="aswift_1_expand" style="background-color: transparent; border: none; display: inline-table; height: 0px; margin: 0px; padding: 0px; position: relative; visibility: visible; width: 730px;"><ins id="aswift_1_anchor" style="background-color: transparent; border: none; display: block; height: 0px; margin: 0px; opacity: 0; overflow: hidden; padding: 0px; position: relative; visibility: visible; width: 730px;"><iframe allowfullscreen="true" allowtransparency="true" frameborder="0" height="183" hspace="0" id="aswift_1" marginheight="0" marginwidth="0" name="aswift_1" scrolling="no" style="height: 183px; left: 0px; position: absolute; top: 0px; width: 730px;" vspace="0" width="730"></iframe></ins></ins></ins></div> <div class="Style8" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: normal; text-align: justify; text-indent: 0in;"> <span class="FontStyle51"><span lang="RO" style="font-family: "times new roman";">            </span></span></div> <div class="Style8" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: normal; text-align: justify; text-indent: 0in;"> <span class="FontStyle51"><span lang="RO" style="font-family: "times new roman";">             Lucrari pregatitoare. </span></span><span class="FontStyle48"><span lang="RO" style="font-family: "times new roman";">Operatiile de montare si fixare a tuburilor de protectie sunt precedate de unele lucrari pregatitoare, in cadrul carora se confectioneaza unele piese care asigura innadirea tuburilor si fixarea lor, se efectueaza unele operatii de taiere si indoire etc.</span></span></div> <div class="Style10" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; text-align: justify; text-indent: 0.5in;"> <span class="FontStyle49"><span lang="RO" style="font-family: "times new roman";">Tuburile IP se innadesc intre ele <span style="letter-spacing: -1pt;">cu</span> mansoane</span></span><span class="FontStyle49"><span lang="RO" style="font-family: "times new roman";"> </span></span><span class="FontStyle48"><span lang="RO" style="font-family: "times new roman";">(mufe) </span></span><span class="FontStyle49"><span lang="RO" style="font-family: "times new roman";">din tabla plumbuita.</span></span><span class="FontStyle49"><span lang="RO" style="font-family: "times new roman";"></span></span></div> <div class="Style9" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: normal; text-align: justify; text-indent: 0.5in;"> <span class="FontStyle48"><span lang="RO" style="font-family: "times new roman";">Desi fiecare tub IP se livreaza cu cate un manson de legatura, in cele mai multe cazuri aceste mansoane nu sunt suficiente. Va fi deci necesar ca electricianul sa-si confectioneze pe santier numarul de mansoane de care are nevoie.</span></span></div> <div class="Style9" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: normal; text-align: justify; text-indent: 0.5in;"> <span class="FontStyle48"><span lang="RO" style="font-family: "times new roman";">Trebuie sa se dea o atentie deosebita asezarii cap la cap a tuburilor care se innadesc, in asa fel incat distanta dintre capetele tuburilor sa fie cat mai mica.</span></span></div> <div class="Style9" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: normal; text-align: justify; text-indent: 0.5in;"> <span class="FontStyle49"><span lang="RO" style="font-family: "times new roman";">Imbinarea</span></span><span class="FontStyle49"><span lang="RO" style="font-family: "times new roman";"> </span></span><span class="FontStyle48"><span lang="RO" style="font-family: "times new roman";">(innadirea) </span></span><span class="FontStyle49"><span lang="RO" style="font-family: "times new roman";">tuburilor</span></span><span class="FontStyle49"><span lang="RO" style="font-family: "times new roman";"> </span></span><span class="FontStyle48"><span lang="RO" style="font-family: "times new roman";">PCV-IP se face cu ajutorul diferitelor piese auxiliare </span></span><span class="FontStyle49"><span lang="RO" style="font-family: "times new roman";">curbe</span></span><span class="FontStyle49"><span lang="RO" style="font-family: "times new roman";"> </span></span><span class="FontStyle48"><span lang="RO" style="font-family: "times new roman";">(90°), </span></span><span class="FontStyle49"><span lang="RO" style="font-family: "times new roman";">semicurbe</span></span><span class="FontStyle49"><span lang="RO" style="font-family: "times new roman";"> </span></span><span class="FontStyle48"><span lang="RO" style="font-family: "times new roman";">(45°) si </span></span><span class="FontStyle49"><span lang="RO" style="font-family: "times new roman";">mansoane</span></span><span class="FontStyle49"><span lang="RO" style="font-family: "times new roman";">. </span></span><span class="FontStyle48"><span lang="RO" style="font-family: "times new roman";">Aceste piese auxiliare sunt prevazute la ambele capete cu portiuni largite (mufe), astfel incat sa fie posibila imbinarea cu tubul de acelasi diametru (fig. 6.6).</span></span></div> <div class="Style9" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: normal; text-align: justify; text-indent: 0.5in;"> <span class="FontStyle48"><span lang="RO" style="font-family: "times new roman";">Se pot insa executa si direct pe santier mansoane de legatura din PCV, folosindu-se in acest scop prelucrarea prin deformare la cald a tubului PCV-IP. Se procedeaza astfel: se taie o bucata de tub de lungimea corespunzatoare unui manson prefabricat. Se incalzesc pe rand capetele mansonului pana la o temperatura de 130 -140°C si se mufeaza cu ajutorul unui dorn calibrat.</span></span></div> <div class="Style9" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: normal; text-align: justify; text-indent: 0.5in;"> <span class="FontStyle48"><span lang="RO" style="font-family: "times new roman";">Incalzirea capetelor tubului se face in baie de nisip, de ulei, cu lampi cu benzina etc. Se va urmari ca incalzirea sa fie uniforma la suprafata si in adancime, iar deformarea (mufarea) si racirea sa se faca cat mai repede.</span></span></div> <div class="Style8" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: normal; margin-left: 0in; text-align: justify; text-indent: 0in;"> <span class="FontStyle48"><span lang="RO" style="font-family: "wingdings";"><span style="font-family: "times new roman"; font-size: 7pt; font-stretch: normal; line-height: normal;">             </span>Ø<span style="font-family: "times new roman"; font-size: 7pt; font-stretch: normal; line-height: normal;">    </span></span></span><span class="FontStyle51"><span lang="RO" style="font-family: "times new roman";">Taierea, indoirea si filetarea tuburilor de protectie. </span></span><span class="FontStyle48"><span lang="RO" style="font-family: "times new roman";">inainte de a fi taiate, tuburile de protectie se masoara, potrivit traseului stabilit prin</span></span></div> <div class="Style11" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; text-align: justify;"> <span class="FontStyle48"><span lang="RO" style="font-family: "times new roman";">proiectul de executie. Se tine seama de curbele ce urmeaza a se face, de amplasarea dozelor de protectie, se foloseste ferastraul pentru taiat metale sau clestele cu role.</span></span></div> <div align="center" class="Style11" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: 18px; text-align: center;"> <span lang="RO" style="font-family: "times new roman";"><img height="82" src="https://www.qreferat.com/files/constructii/263_poze/image004.jpg" v:shapes="Picture_x0020_30" width="215" /></span><span class="FontStyle48"><span lang="RO" style="font-family: "times new roman"; line-height: 18px;"></span></span></div> <div class="Style31" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: normal; margin-left: 27pt; text-align: justify; text-indent: 0in;"> <span class="FontStyle51"><span lang="RO" style="font-family: "times new roman";"></span></span></div> <div class="Style31" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: normal; text-align: justify; text-indent: 0in;"> <span class="FontStyle51"><span lang="RO" style="font-family: "times new roman";"></span></span></div> <div class="Style31" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: normal; margin-left: 0in; text-align: justify; text-indent: 0in;"> <span class="FontStyle48"><span lang="RO" style="font-family: "wingdings";"><span style="font-family: "times new roman"; font-size: 7pt; font-stretch: normal; line-height: normal;">             </span>Ø<span style="font-family: "times new roman"; font-size: 7pt; font-stretch: normal; line-height: normal;">   </span></span></span><span class="FontStyle51"><span lang="RO" style="font-family: "times new roman";">Montarea si fixarea tuburilor de protectie. </span></span><span class="FontStyle49"><span lang="RO" style="font-family: "times new roman";">Tuburile de protectie IP montate</span></span><span class="FontStyle49"><span lang="RO" style="font-family: "times new roman";"> </span></span><span class="FontStyle49"><span lang="RO" style="font-family: "times new roman";">aparent fixeaza cu ajutorul unor bratari bc</span></span><span class="FontStyle49"><span lang="RO" style="font-family: "times new roman";">, </span></span><span class="FontStyle48"><span lang="RO" style="font-family: "times new roman";">care sunt prinse la randul lor in diblu.</span></span></div> <div class="MsoNormal" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: 18px; text-align: justify;"> <br /></div> <div align="center" class="MsoNormal" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: 18px; text-align: center;"> </div> <table cellpadding="0" cellspacing="0" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; text-align: justify;"><tbody> <tr style="color: #171510; font-family: Tahoma;"><td height="0" width="192"></td></tr> <tr style="color: #171510; font-family: Tahoma;"><td></td><td><img height="105" src="https://www.qreferat.com/files/constructii/263_poze/image011.gif" v:shapes="_x0000_s1029 _x0000_s1030 _x0000_s1031" width="229" /></td></tr> </tbody></table> <div class="Style9" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: normal; text-align: justify; text-indent: 0.5in;"> <span class="FontStyle48"><span lang="RO" style="font-family: "times new roman";"><br clear="ALL" style="font-family: Verdana; text-indent: 0px;" /><span lang="RO" style="font-size: 12pt; line-height: 24px; text-indent: 0px;"><img height="246" src="https://www.qreferat.com/files/constructii/263_poze/image008.jpg" v:shapes="Picture_x0020_31" width="211" /></span><b style="font-family: Verdana; text-indent: 0px;"><u><span lang="RO" style="font-family: "times new roman"; font-size: 12pt; line-height: 24px;"></span></u></b></span></span></div> <div style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; text-align: justify;"> </div> <div class="MsoNormal" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: 18px; text-align: justify;"> <br /></div> <div class="Style9" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: normal; text-align: justify; text-indent: 0.5in;"> <span class="FontStyle48"><span lang="RO" style="font-family: "times new roman";"></span></span></div> <div class="Style9" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: normal; text-align: justify; text-indent: 0.5in;"> <span class="FontStyle48"><span lang="RO" style="font-family: "times new roman";"></span></span></div> <div class="Style9" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: normal; text-align: justify; text-indent: 0.5in;"> <span class="FontStyle48"><span lang="RO" style="font-family: "times new roman";"></span></span></div> <div class="Style9" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: normal; text-align: justify; text-indent: 0.5in;"> <span class="FontStyle48"><span lang="RO" style="font-family: "times new roman";"></span></span></div> <div class="Style9" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: normal; text-align: justify; text-indent: 0.5in;"> <span class="FontStyle48"><span lang="RO" style="font-family: "times new roman";"></span></span></div> <div class="Style9" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: normal; text-align: justify; text-indent: 0.5in;"> <span class="FontStyle48"><span lang="RO" style="font-family: "times new roman";">Bratarile se vor monta la 10 cm distanta de fiecare capat al tubului cotului sau dozei de pe traseu.</span></span></div> <div class="Style9" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: normal; text-align: justify; text-indent: 0.5in;"> <span class="FontStyle48"><span lang="RO" style="font-family: "times new roman";">Cand sunt </span></span><span class="FontStyle49"><span lang="RO" style="font-family: "times new roman";">montate ingropat, tuburile </span></span><span class="FontStyle49"><span lang="RO" style="font-family: "times new roman"; letter-spacing: 1.5pt;">IP</span></span><span class="FontStyle49"><span lang="RO" style="font-family: "times new roman";"> </span></span><span class="FontStyle49"><span lang="RO" style="font-family: "times new roman";">se fixeaza in santuri prin agrafe</span></span><span class="FontStyle49"><span lang="RO" style="font-family: "times new roman";">. </span></span><span class="FontStyle48"><span lang="RO" style="font-family: "times new roman";">Fiecare agrafa este confectionata dintr-o bucata de sarma de otel de circa 1 mm grosime, legata de capatul unui cui. Cuiul se bate in fundul santului daltuit, in dreptul unui rost dintre doua caramizi. Dupa ce se introduce tubul in sant, capetele sarmei se impletesc, asa cum se arata in figura 6.7.</span></span></div> <div class="Style9" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: normal; text-align: justify; text-indent: 0.5in;"> <span class="FontStyle48"><span lang="RO" style="font-family: "times new roman";">La instalatiile sub tencuiala, in cazul cand se succed mai mult decat trei curbe, se intercaleaza doze intermediare. Pe traseele in linie dreapta, mai mari decat 10 m, trebuie intercalate doze de trecere.</span></span></div> <div class="Style10" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; text-align: justify; text-indent: 0.5in;"> <span class="FontStyle49"><span lang="RO" style="font-family: "times new roman";">Montarea tuburilor P comporta operatii asemanatoare </span></span><span class="FontStyle75"><span lang="RO" style="font-family: "times new roman";">celor</span></span><span class="FontStyle75"><span lang="RO" style="font-family: "times new roman";"> </span></span><span class="FontStyle75"><span lang="RO" style="font-family: "times new roman";">necesare</span></span><span class="FontStyle75"><span lang="RO" style="font-family: "times new roman";"> </span></span><span class="FontStyle49"><span lang="RO" style="font-family: "times new roman";">in cazul montarii aparente a tuburilor <span style="letter-spacing: 1.5pt;">IP</span></span></span><span class="FontStyle49"><span lang="RO" style="font-family: "times new roman"; letter-spacing: 1.5pt;">.</span></span></div> <div class="Style9" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: normal; text-align: justify; text-indent: 0.5in;"> <span class="FontStyle75"><span lang="RO" style="font-family: "times new roman";">Daca</span></span><span class="FontStyle75"><span lang="RO" style="font-family: "times new roman";"> </span></span><span class="FontStyle49"><span lang="RO" style="font-family: "times new roman";">tuburile P trebuie montate pe grinzi, ferme</span></span><span class="FontStyle49"><span lang="RO" style="font-family: "times new roman";"> </span></span><span class="FontStyle48"><span lang="RO" style="font-family: "times new roman";">etc. sau daca se monteaza mai multe tuburi pe acelasi traseu, se folosesc </span></span><span class="FontStyle75"><span lang="RO" style="font-family: "times new roman";">diferite scoabe fixate direct</span></span><span class="FontStyle75"><span lang="RO" style="font-family: "times new roman";"> </span></span><span class="FontStyle49"><span lang="RO" style="font-family: "times new roman";">pe dibluri in zid sau pe console, </span></span><span class="FontStyle48"><span lang="RO" style="font-family: "times new roman";">asa cum se arata in figura 6.8.</span></span></div> <div class="Style10" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; text-align: justify; text-indent: 0.5in;"> <span class="FontStyle49"><span lang="RO" style="font-family: "times new roman";">In montajul ingropat, tuburile <span style="letter-spacing: 1.5pt;">PEL</span> se fixeaza in mod asemanator tuburilor <span style="letter-spacing: 1.5pt;">IP</span> montate ingropat, </span></span><span class="FontStyle75"><span lang="RO" style="font-family: "times new roman";">iar</span></span><span class="FontStyle75"><span lang="RO" style="font-family: "times new roman";"> </span></span><span class="FontStyle49"><span lang="RO" style="font-family: "times new roman";">montajul aparent este asemanator celui folosit in cazul tuburilor.</span></span></div> <div class="Style10" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; text-align: justify; text-indent: 0.5in;"> <span class="FontStyle49"><span lang="RO" style="font-family: "times new roman";">Instalatiile electrice in tevi de otel se executa in<b> </b></span></span><span class="FontStyle75"><span lang="RO" style="font-family: "times new roman";">mod</span></span><span class="FontStyle75"><span lang="RO" style="font-family: "times new roman";"> </span></span><span class="FontStyle49"><span lang="RO" style="font-family: "times new roman";">asemanator instalatiilor in tuburi <span style="letter-spacing: 1.5pt;">PEL</span> pozate aparent sau montate sub pardoseala. Tevile de otel se pol</span></span><span class="FontStyle49"><span lang="RO" style="font-family: "times new roman";"> </span></span><span class="FontStyle49"><span lang="RO" style="font-family: "times new roman";">monta</span></span><span class="FontStyle49"><span lang="RO" style="font-family: "times new roman";"> </span></span><span class="FontStyle48"><span lang="RO" style="font-family: "times new roman";">pe console si in canale vizibile din beton, executate in pardoseala. in aceste canale tevile se aseaza la circa 10 cm deasupra fundului canalului.</span></span></div> <div align="center" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px;"> <br /> <div id="proads_space_in_text_video_ad"> <div class="pa_video_in_text pa_main_wrapper" style="float: left; font-family: Tahoma; line-height: 15px; position: relative; width: 729.5px;"> <div class="pa_content_wrapper" style="background: rgb(0, 0, 0); margin: 0px auto; position: relative;"> <div class="pa_content" style="overflow: hidden; position: absolute; top: 0px; transition: height 0.1s ease-out 0s;"> <div class="pa_advertisement" style="overflow: hidden; position: absolute; top: 0px; transition: height 0.1s ease-out 0s;"> <div style="max-width: 100%; position: absolute;"> <iframe allow="autoplay" allowfullscreen="" src="https://imasdk.googleapis.com/js/core/bridge3.242.3_ro.html#goog_1068597515" style="border-style: initial; border-width: 0px; margin: 0px; opacity: 0; padding: 0px; position: relative;"></iframe><iframe data-load-complete="true" frameborder="0" height="250" id="google_ads_iframe_/21988522/qr_dupa_600_desktop2_code_0" marginheight="0" marginwidth="0" name="google_ads_iframe_/21988522/qr_dupa_600_desktop2_code_0" scrolling="no" style="background-color: white; border-width: 0px; font-family: verdana; vertical-align: bottom;" title="3rd party ad content" width="300"></iframe></div> </div> </div> </div> </div> </div> </div> <div align="left" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px;"> </div> <div class="MsoNormal" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: normal; text-align: justify; text-indent: 0.5in;"> <span class="FontStyle51"><span lang="RO" style="font-family: "times new roman"; font-size: 12pt;">Montarea tuburilor de protectie in constructiile din elemente prefabricate. </span></span><span class="FontStyle48"><span lang="RO" style="font-family: "times new roman"; font-size: 12pt;">in constructiile cu pereti si plansee prefabricate, mai ales in cele pentru locuinte executate din panouri mari.</span></span><b><u><span lang="RO" style="font-family: "times new roman"; font-size: 12pt;"></span></u></b></div> <div class="Style9" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: 18px; text-align: justify;"> <br /></div> <div class="Style9" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: 18px; text-align: justify;"> <br /></div> <div class="Style9" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: 18px; text-align: justify;"> <img align="left" height="194" src="https://www.qreferat.com/files/constructii/263_poze/image012.gif" v:shapes="_x0000_s1026 _x0000_s1027 _x0000_s1028" width="128" /><b><u><span lang="RO" style="font-family: "times new roman";"></span></u></b></div> <div class="Style9" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: 18px; text-align: justify;"> <br /></div> <div class="Style9" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: 18px; text-align: justify;"> <br /></div> <div class="Style9" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: 18px; text-align: justify;"> <br /></div> <div class="Style9" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: 18px; text-align: justify;"> <br /></div> <div class="Style9" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: 18px; text-align: justify;"> <br /></div> <div align="center" class="Style9" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: 18px; text-align: center;"> <br /></div> <div align="center" class="Style9" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: 18px; text-align: center;"> <br /></div> <div align="center" class="Style9" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: 18px; text-align: center;"> <br /></div> <div align="center" class="Style9" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: 18px; text-align: center;"> <br /></div> <div align="center" class="Style9" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: 18px; text-align: center;"> <br /></div> <div align="center" class="Style9" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: 18px; text-align: center;"> <br /></div> <div align="center" class="Style9" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: 18px; text-align: center;"> <br /></div> <div align="center" class="Style9" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: 18px; text-align: center;"> <br /></div> <div align="center" class="Style9" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: 18px; text-align: center;"> <br /></div> <div align="center" class="Style9" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: 18px; text-align: center;"> <br /></div> <div align="center" class="Style9" style="background-color: white; color: #171717; font-family: Verdana; font-size: 12px; line-height: 18px; text-align: center;"> <br /></div>

Instalatii electrice interioare

0 11:54:00

Orice instalatie electrica se executa dupa un proiect de executie intocmit de proiectantii de specialitate. Acest proiect este insotit de planuri (desene) de executie si de schemele instalatiilor electrice in care sunt reprezentate  prin semne conve… Aflați mai multe »

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