2．電(dian)(dian)(dian)(dian)纜(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)材質選擇電(dian)(dian)(dian)(dian)纜(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)的(de)(de)(de)(de)(de)(de)材質是(shi)(shi)電(dian)(dian)(dian)(dian)纜(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)工(gong)(gong)程(cheng)(cheng)設(she)計(ji)常見(jian)的(de)(de)(de)(de)(de)(de)另(ling)外一(yi)個(ge)問題(ti)。按照材料劃分，電(dian)(dian)(dian)(dian)纜(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)主要有(you)鋼(gang)(gang)(gang)制(zhi)、玻璃(li)鋼(gang)(gang)(gang)和鋁合(he)金(jin)幾種。玻璃(li)鋼(gang)(gang)(gang)電(dian)(dian)(dian)(dian)纜(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)的(de)(de)(de)(de)(de)(de)特點是(shi)(shi)質量輕，比(bi)重(zhong)(zhong)為碳鋼(gang)(gang)(gang)的(de)(de)(de)(de)(de)(de)1/4；耐(nai)水性(xing)(xing)(xing)和耐(nai)腐蝕(shi)性(xing)(xing)(xing)好，適合(he)化(hua)工(gong)(gong)廠(chang)(chang)。不易(yi)燃燒，難(nan)燃型玻璃(li)鋼(gang)(gang)(gang)電(dian)(dian)(dian)(dian)纜(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)的(de)(de)(de)(de)(de)(de)氧指(zhi)數≥32。使用壽命長，一(yi)般設(she)計(ji)壽命為20年(nian)，但價(jia)格是(shi)(shi)鋼(gang)(gang)(gang)制(zhi)電(dian)(dian)(dian)(dian)纜(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)的(de)(de)(de)(de)(de)(de)3倍。施工(gong)(gong)的(de)(de)(de)(de)(de)(de)優越(yue)性(xing)(xing)(xing)在(zai)于切(qie)割方便、組裝(zhuang)靈(ling)活(huo)，安(an)裝(zhuang)無需動火(huo)，這(zhe)對于危(wei)險環境(jing)并且(qie)工(gong)(gong)程(cheng)(cheng)工(gong)(gong)期緊張的(de)(de)(de)(de)(de)(de)化(hua)工(gong)(gong)廠(chang)(chang)工(gong)(gong)程(cheng)(cheng)意義(yi)尤其(qi)重(zhong)(zhong)大，因為在(zai)危(wei)險環境(jing)，工(gong)(gong)程(cheng)(cheng)動火(huo)安(an)裝(zhuang)時化(hua)工(gong)(gong)廠(chang)(chang)必須停產，經濟效益必受影響。鋁合(he)金(jin)電(dian)(dian)(dian)(dian)纜(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)重(zhong)(zhong)量也(ye)很輕，由于鋁、鋼(gang)(gang)(gang)比(bi)重(zhong)(zhong)不同(tong)（Al=，Fe=），按重(zhong)(zhong)量計(ji)算，鋁鋼(gang)(gang)(gang)之比(bi)約(yue)為1：3。鋁合(he)金(jin)電(dian)(dian)(dian)(dian)纜(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)外形(xing)尺寸、荷載特性(xing)(xing)(xing)均與鋼(gang)(gang)(gang)質橋(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)基本相(xiang)(xiang)近。就(jiu)費用而言(yan)，鋁合(he)金(jin)橋(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)的(de)(de)(de)(de)(de)(de)造價(jia)比(bi)鍍鋅(xin)鋼(gang)(gang)(gang)制(zhi)電(dian)(dian)(dian)(dian)纜(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)要高20%，使用壽命是(shi)(shi)鋼(gang)(gang)(gang)制(zhi)電(dian)(dian)(dian)(dian)纜(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)的(de)(de)(de)(de)(de)(de)5倍以上。3．電(dian)(dian)(dian)(dian)纜(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)表面(mian)防(fang)腐層類別選擇工(gong)(gong)程(cheng)(cheng)設(she)計(ji)中常見(jian)的(de)(de)(de)(de)(de)(de)第三(san)個(ge)問題(ti)是(shi)(shi)電(dian)(dian)(dian)(dian)纜(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)型號沒有(you)標(biao)注防(fang)腐層的(de)(de)(de)(de)(de)(de)類別，也(ye)沒有(you)統一(yi)的(de)(de)(de)(de)(de)(de)文字說明。此問題(ti)在(zai)現實(shi)中有(you)教訓，如(ru)我國承擔(dan)總承包的(de)(de)(de)(de)(de)(de)印尼某工(gong)(gong)程(cheng)(cheng)，鋼(gang)(gang)(gang)制(zhi)電(dian)(dian)(dian)(dian)纜(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)的(de)(de)(de)(de)(de)(de)表面(mian)防(fang)腐處理沒有(you)進行(xing)鹽霧試(shi)驗，完工(gong)(gong)不久橋(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)就(jiu)銹蝕(shi)得相(xiang)(xiang)當嚴重(zhong)(zhong)，不得不更換。梯式線槽(cao)就(jiu)找三(san)民橋(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)。熱浸鋅(xin)橋(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)公司

或(huo)(huo)采(cai)取防(fang)(fang)(fang)腐(fu)蝕(shi)(shi)處理，防(fang)(fang)(fang)腐(fu)蝕(shi)(shi)處理方式應滿(man)(man)足工程(cheng)(cheng)環境和(he)(he)耐(nai)久性的(de)(de)(de)(de)要(yao)求(qiu)(qiu)。對(dui)耐(nai)腐(fu)蝕(shi)(shi)性能要(yao)求(qiu)(qiu)較高或(huo)(huo)要(yao)求(qiu)(qiu)潔凈的(de)(de)(de)(de)場所，宜(yi)選(xuan)用(yong)鋁(lv)合金電(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)橋(qiao)架(jia)(jia)(jia)。1．4橋(qiao)架(jia)(jia)(jia)在(zai)(zai)有(you)防(fang)(fang)(fang)火(huo)要(yao)求(qiu)(qiu)的(de)(de)(de)(de)區段(duan)內(nei)，可在(zai)(zai)電(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)梯架(jia)(jia)(jia)，托(tuo)盤(pan)內(nei)添加具有(you)耐(nai)火(huo)或(huo)(huo)難燃性能的(de)(de)(de)(de)板，網等(deng)材(cai)料構成封(feng)閉或(huo)(huo)半(ban)封(feng)閉式結(jie)構，并采(cai)取在(zai)(zai)橋(qiao)架(jia)(jia)(jia)及其(qi)支吊架(jia)(jia)(jia)表面涂刷防(fang)(fang)(fang)火(huo)涂層(ceng)等(deng)措施。其(qi)整(zheng)體耐(nai)火(huo)性能應滿(man)(man)足國家有(you)關規范(fan)或(huo)(huo)標準(zhun)的(de)(de)(de)(de)要(yao)求(qiu)(qiu)。在(zai)(zai)工程(cheng)(cheng)防(fang)(fang)(fang)火(huo)要(yao)求(qiu)(qiu)較高的(de)(de)(de)(de)場所．不(bu)(bu)宜(yi)采(cai)用(yong)鋁(lv)合金電(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)橋(qiao)架(jia)(jia)(jia)。1．5需要(yao)屏蔽電(dian)(dian)(dian)磁干(gan)擾(rao)的(de)(de)(de)(de)電(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)線(xian)路(lu)．或(huo)(huo)有(you)防(fang)(fang)(fang)護外部影響如戶(hu)外日照，油，腐(fu)蝕(shi)(shi)性液體、易燃粉塵等(deng)環境要(yao)求(qiu)(qiu)時．應選(xuan)用(yong)無(wu)孔(kong)托(tuo)盤(pan)式電(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)橋(qiao)架(jia)(jia)(jia)。1．6在(zai)(zai)容易積(ji)聚粉塵的(de)(de)(de)(de)場所，電(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)橋(qiao)架(jia)(jia)(jia)應選(xuan)用(yong)蓋板；在(zai)(zai)公(gong)(gong)共通道或(huo)(huo)室外跨越道路(lu)段(duan)．底層(ceng)橋(qiao)架(jia)(jia)(jia)上宜(yi)加墊板或(huo)(huo)使用(yong)無(wu)孔(kong)托(tuo)盤(pan)。1．7不(bu)(bu)同電(dian)(dian)(dian)壓、不(bu)(bu)同用(yong)途的(de)(de)(de)(de)電(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)不(bu)(bu)宜(yi)敷設在(zai)(zai)同一(yi)(yi)層(ceng)電(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)橋(qiao)架(jia)(jia)(jia)內(nei)：(1)1kV以上和(he)(he)1kV及以下的(de)(de)(de)(de)電(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)：(2)同一(yi)(yi)路(lu)徑向(xiang)一(yi)(yi)級負荷(he)供(gong)電(dian)(dian)(dian)的(de)(de)(de)(de)雙回路(lu)電(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)；(3)應急照明和(he)(he)其(qi)他照明的(de)(de)(de)(de)電(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)：(4)電(dian)(dian)(dian)力(li)。惠(hui)州市三民(min)實業(ye)有(you)限公(gong)(gong)司(si)，是一(yi)(yi)家集電(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)橋(qiao)架(jia)(jia)(jia)、科研、生產、銷售、服(fu)務為一(yi)(yi)體的(de)(de)(de)(de)企業(ye)，公(gong)(gong)司(si)兼營電(dian)(dian)(dian)線(xian)、電(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)等(deng)建(jian)材(cai)相關產品。公(gong)(gong)司(si)實力(li)雄厚(hou)，全國多個大(da)型重(zhong)點工程(cheng)(cheng)項目(mu)指(zhi)定供(gong)應商，并與多家房地產公(gong)(gong)司(si)和(he)(he)電(dian)(dian)(dian)力(li)安裝單位建(jian)立長期緊密合作關系。江門金屬橋(qiao)架(jia)(jia)(jia)多少錢鍍鋅橋(qiao)架(jia)(jia)(jia)就找三民(min)橋(qiao)架(jia)(jia)(jia)。

S=截(jie)面積cm2。(2)梯(ti)架于托盤的(de)(de)單(dan)位電(dian)(dian)阻(zu)值見(jian)表(biao)2。表(biao)2梯(ti)架于托盤的(de)(de)單(dan)位電(dian)(dian)阻(zu)值(3)電(dian)(dian)纜(lan)(lan)槽的(de)(de)單(dan)位電(dian)(dian)阻(zu)值見(jian)表(biao)3(4)當電(dian)(dian)纜(lan)(lan)橋(qiao)架安裝(zhuang)(zhuang)連(lian)接程整體后，每(mei)根(gen)梯(ti)邊(或每(mei)個(ge)電(dian)(dian)纜(lan)(lan)槽)的(de)(de)電(dian)(dian)阻(zu)為：R=L(r+1/3r’)式(shi)中：R--梯(ti)邊，即(ji)（電(dian)(dian)纜(lan)(lan)槽）全長總電(dian)(dian)阻(zu)（mΩ）；r--梯(ti)邊單(dan)位長度電(dian)(dian)阻(zu)（mΩ/m）橋(qiao)架荷(he)載(zai)(zai)特性編(bian)輯1、電(dian)(dian)纜(lan)(lan)橋(qiao)架的(de)(de)荷(he)載(zai)(zai)電(dian)(dian)纜(lan)(lan)橋(qiao)架的(de)(de)荷(he)載(zai)(zai)分(fen)(fen)為靜(jing)荷(he)載(zai)(zai)、動荷(he)載(zai)(zai)和(he)(he)附(fu)加荷(he)載(zai)(zai)。靜(jing)荷(he)載(zai)(zai)是(shi)指敷(fu)設在電(dian)(dian)纜(lan)(lan)橋(qiao)架內的(de)(de)電(dian)(dian)纜(lan)(lan)種(zhong)(zhong)類、根(gen)數(shu)(shu)、每(mei)根(gen)的(de)(de)外徑重(zhong)量/單(dan)位長度，按電(dian)(dian)纜(lan)(lan)敷(fu)設的(de)(de)不(bu)同路由分(fen)(fen)別列表(biao)統計(ji)。動荷(he)載(zai)(zai)是(shi)指電(dian)(dian)纜(lan)(lan)橋(qiao)架安裝(zhuang)(zhuang)和(he)(he)維(wei)護過(guo)程中施工維(wei)修人(ren)員的(de)(de)重(zhong)量。對(dui)于輕(qing)型(xing)(xing)電(dian)(dian)纜(lan)(lan)橋(qiao)架，一(yi)般不(bu)考慮(lv)(lv)動荷(he)載(zai)(zai)，即(ji)不(bu)允許在橋(qiao)架上站(zhan)(行)人(ren)，如(ru)果需要考慮(lv)(lv)站(zhan)人(ren)，則(ze)應(ying)(ying)將跨距適當縮小。附(fu)加荷(he)載(zai)(zai)在室(shi)外是(shi)指冰雪、風和(he)(he)電(dian)(dian)磁力(li)所形成的(de)(de)荷(he)載(zai)(zai)，它與(yu)安裝(zhuang)(zhuang)場所的(de)(de)地(di)區自然氣象(xiang)條(tiao)件和(he)(he)帶電(dian)(dian)體的(de)(de)性質有(you)(you)關(guan)，設計(ji)中應(ying)(ying)根(gen)據(ju)各種(zhong)(zhong)條(tiao)件加以計(ji)算(suan)。選用橋(qiao)架的(de)(de)步驟(1)確定橋(qiao)架寬度、層(ceng)(ceng)數(shu)(shu)、支撐點的(de)(de)型(xing)(xing)式(shi)和(he)(he)間距、以及(ji)電(dian)(dian)纜(lan)(lan)在各層(ceng)(ceng)橋(qiao)架上的(de)(de)分(fen)(fen)布(bu)。橋(qiao)架設計(ji)(2)計(ji)算(suan)每(mei)層(ceng)(ceng)電(dian)(dian)纜(lan)(lan)的(de)(de)均(jun)布(bu)荷(he)載(zai)(zai)(kN/m2),初步確定橋(qiao)架的(de)(de)型(xing)(xing)號、規格。。惠(hui)州市三民實業有(you)(you)限公司，是(shi)一(yi)家集電(dian)(dian)纜(lan)(lan)橋(qiao)架、科研(yan)、生產(chan)、銷售、服(fu)務為一(yi)體的(de)(de)企業，公司兼營電(dian)(dian)線、電(dian)(dian)纜(lan)(lan)等(deng)建(jian)材相關(guan)產(chan)品。公司實力(li)雄厚(hou)。

由(you)底(di)板(ban)與(yu)側邊(bian)構(gou)成(cheng)的(de)(de)(de)或(huo)由(you)整塊鋁(lv)(lv)合(he)(he)(he)(he)(he)金板(ban)彎(wan)(wan)曲制(zhi)成(cheng)實(shi)底(di)的(de)(de)(de)槽形(xing)部件。LQJ系列鋁(lv)(lv)合(he)(he)(he)(he)(he)金電(dian)纜橋(qiao)(qiao)(qiao)架(jia)(jia)是(shi)一(yi)種(zhong)抗腐(fu)(fu)(fu)(fu)蝕(shi)(shi)橋(qiao)(qiao)(qiao)架(jia)(jia)。它具(ju)有(you)(you)結(jie)構(gou)簡(jian)單、式(shi)(shi)(shi)樣新穎、耐腐(fu)(fu)(fu)(fu)蝕(shi)(shi)，安裝維護方便，不需保(bao)(bao)養(yang)(yang)等特點(dian)，能(neng)(neng)夠適用于的(de)(de)(de)環境條件。LQJ系列鋁(lv)(lv)合(he)(he)(he)(he)(he)金防腐(fu)(fu)(fu)(fu)橋(qiao)(qiao)(qiao)架(jia)(jia)按(an)結(jie)構(gou)形(xing)式(shi)(shi)(shi)可分(fen)(fen)為LQJ-A、B、C型(xing)和(he)LQJ-LPC型(xing)，前者分(fen)(fen)別(bie)采(cai)(cai)用不同截面形(xing)狀的(de)(de)(de)鋁(lv)(lv)合(he)(he)(he)(he)(he)金擠壓型(xing)材(cai)加(jia)工橋(qiao)(qiao)(qiao)架(jia)(jia)邦板(ban)和(he)梯檔，可制(zhi)成(cheng)梯級式(shi)(shi)(shi)、托盤式(shi)(shi)(shi)、槽式(shi)(shi)(shi)結(jie)構(gou)以(yi)滿(man)足(zu)不同場合(he)(he)(he)(he)(he)的(de)(de)(de)需要(yao)，后(hou)者采(cai)(cai)用鋁(lv)(lv)板(ban)折邊(bian)成(cheng)型(xing)，制(zhi)成(cheng)槽式(shi)(shi)(shi)匯線槽及(ji)各類(lei)特殊彎(wan)(wan)通，以(yi)滿(man)足(zu)電(dian)纜布(bu)線的(de)(de)(de)需要(yao)。LQJ-A、B、C型(xing)鋁(lv)(lv)合(he)(he)(he)(he)(he)金擠壓型(xing)材(cai)加(jia)工成(cheng)型(xing)后(hou)固(gu)溶和(he)人工時(shi)效處理，不提高了(le)耐蝕(shi)(shi)性，而(er)且(qie)提高了(le)鋁(lv)(lv)合(he)(he)(he)(he)(he)金的(de)(de)(de)強度，從而(er)保(bao)(bao)證鋁(lv)(lv)合(he)(he)(he)(he)(he)金橋(qiao)(qiao)(qiao)架(jia)(jia)具(ju)有(you)(you)較高的(de)(de)(de)承載能(neng)(neng)力。LQJ系列鋁(lv)(lv)合(he)(he)(he)(he)(he)金防腐(fu)(fu)(fu)(fu)橋(qiao)(qiao)(qiao)架(jia)(jia)表面經陽極氧化處理，使其更具(ju)有(you)(you)優(you)異的(de)(de)(de)耐蝕(shi)(shi)性、具(ju)有(you)(you)耐腐(fu)(fu)(fu)(fu)蝕(shi)(shi)時(shi)間長、不需要(yao)保(bao)(bao)養(yang)(yang)的(de)(de)(de)優(you)點(dian)，特別(bie)適用于高溫、高濕、富(fu)鹽霧的(de)(de)(de)環境中選用。惠州市三(san)民(min)實(shi)業有(you)(you)限(xian)公(gong)司，是(shi)一(yi)家集電(dian)纜橋(qiao)(qiao)(qiao)架(jia)(jia)、科研(yan)、生產、銷(xiao)售、服務為一(yi)體的(de)(de)(de)企業。電(dian)纜橋(qiao)(qiao)(qiao)架(jia)(jia)好(hao)貨源，廠家直銷(xiao)，三(san)民(min)橋(qiao)(qiao)(qiao)架(jia)(jia)。

噴粉電(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)不宜作接地干線)，每(mei)(mei)個(ge)電(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)的(de)(de)(de)(de)(de)電(dian)(dian)(dian)阻(zu)值(zhi)可(ke)按下式(shi)計(ji)(ji)(ji)算(suan)(suan)：r=ρ·L/S式(shi)中(zhong)：ρ=15×10Ω-6/cm(20℃)；L=長度(du)按100mm計(ji)(ji)(ji)算(suan)(suan)；S=截面積cm2。(2)梯(ti)架(jia)(jia)(jia)(jia)(jia)(jia)于(yu)(yu)托盤的(de)(de)(de)(de)(de)單(dan)(dan)位電(dian)(dian)(dian)阻(zu)值(zhi)見表(biao)2。表(biao)2梯(ti)架(jia)(jia)(jia)(jia)(jia)(jia)于(yu)(yu)托盤的(de)(de)(de)(de)(de)單(dan)(dan)位電(dian)(dian)(dian)阻(zu)值(zhi)(3)電(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)槽的(de)(de)(de)(de)(de)單(dan)(dan)位電(dian)(dian)(dian)阻(zu)值(zhi)見表(biao)3(4)當(dang)電(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)安裝連接程(cheng)整體后，每(mei)(mei)根(gen)梯(ti)邊(bian)(或每(mei)(mei)個(ge)電(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)槽)的(de)(de)(de)(de)(de)電(dian)(dian)(dian)阻(zu)為(wei)(wei)：R=L(r+1/3r’)式(shi)中(zhong)：R--梯(ti)邊(bian)，即（電(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)槽）全長總電(dian)(dian)(dian)阻(zu)（mΩ）；r--梯(ti)邊(bian)單(dan)(dan)位長度(du)電(dian)(dian)(dian)阻(zu)（mΩ/m）橋(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)荷(he)(he)載(zai)(zai)(zai)特性編輯1、電(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)的(de)(de)(de)(de)(de)荷(he)(he)載(zai)(zai)(zai)電(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)的(de)(de)(de)(de)(de)荷(he)(he)載(zai)(zai)(zai)分(fen)(fen)為(wei)(wei)靜(jing)荷(he)(he)載(zai)(zai)(zai)、動(dong)荷(he)(he)載(zai)(zai)(zai)和(he)(he)附加荷(he)(he)載(zai)(zai)(zai)。靜(jing)荷(he)(he)載(zai)(zai)(zai)是(shi)指敷(fu)設在電(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)內的(de)(de)(de)(de)(de)電(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)種類、根(gen)數、每(mei)(mei)根(gen)的(de)(de)(de)(de)(de)外徑重量/單(dan)(dan)位長度(du)，按電(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)敷(fu)設的(de)(de)(de)(de)(de)不同(tong)路(lu)由分(fen)(fen)別列表(biao)統計(ji)(ji)(ji)。動(dong)荷(he)(he)載(zai)(zai)(zai)是(shi)指電(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)安裝和(he)(he)維護(hu)過程(cheng)中(zhong)施工維修(xiu)人員的(de)(de)(de)(de)(de)重量。對(dui)于(yu)(yu)輕型(xing)電(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)，一般不考慮動(dong)荷(he)(he)載(zai)(zai)(zai)，即不允許(xu)在橋(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)上(shang)站(zhan)(zhan)(行(xing))人，如果需要考慮站(zhan)(zhan)人，則(ze)應將跨距(ju)適當(dang)縮小。附加荷(he)(he)載(zai)(zai)(zai)在室(shi)外是(shi)指冰雪(xue)、風和(he)(he)電(dian)(dian)(dian)磁力所形成的(de)(de)(de)(de)(de)荷(he)(he)載(zai)(zai)(zai)，它與安裝場所的(de)(de)(de)(de)(de)地區自然(ran)氣象條(tiao)件和(he)(he)帶電(dian)(dian)(dian)體的(de)(de)(de)(de)(de)性質有(you)關，設計(ji)(ji)(ji)中(zhong)應根(gen)據(ju)各(ge)種條(tiao)件加以計(ji)(ji)(ji)算(suan)(suan)。2、選(xuan)(xuan)用橋(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)的(de)(de)(de)(de)(de)步驟(1)確定(ding)橋(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)寬度(du)、層數、支撐點的(de)(de)(de)(de)(de)型(xing)式(shi)和(he)(he)間距(ju)、以及電(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)在各(ge)層橋(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)上(shang)的(de)(de)(de)(de)(de)分(fen)(fen)布。橋(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)設計(ji)(ji)(ji)(2)計(ji)(ji)(ji)算(suan)(suan)每(mei)(mei)層電(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)的(de)(de)(de)(de)(de)均布荷(he)(he)載(zai)(zai)(zai)(kN/m2),初步確定(ding)橋(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)的(de)(de)(de)(de)(de)型(xing)號、規(gui)格。。電(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)好品牌就選(xuan)(xuan)三民橋(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)！廣東(dong)梯(ti)式(shi)橋(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)厚度(du)

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則應在管(guan)道一(yi)(yi)(yi)側或上(shang)方(fang)平(ping)(ping)行架(jia)(jia)(jia)(jia)設(she)。并考(kao)慮(lv)引下線(xian)和分(fen)支線(xian)盡量(liang)避免交(jiao)叉,如(ru)無其(qi)它(ta)(ta)管(guan)架(jia)(jia)(jia)(jia)借(jie)用(yong),則需自(zi)設(she)立(支)柱。(2)荷載計(ji)算：計(ji)算電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)主干(gan)線(xian)縱斷面(mian)上(shang)單位長度的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)重量(liang)。(3)確定(ding)(ding)(ding)橋(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)的(de)(de)(de)(de)寬度：根據(ju)(ju)布放電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)條(tiao)數(shu)、電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)直徑及電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)的(de)(de)(de)(de)間(jian)距來確定(ding)(ding)(ding)電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)的(de)(de)(de)(de)型號、規格(ge),托臂的(de)(de)(de)(de)長度,支柱的(de)(de)(de)(de)長度、間(jian)距,橋(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)的(de)(de)(de)(de)寬度和層數(shu)。(4)確定(ding)(ding)(ding)安(an)(an)裝方(fang)式(shi)：根據(ju)(ju)場所的(de)(de)(de)(de)設(she)置條(tiao)件(jian)確定(ding)(ding)(ding)橋(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)的(de)(de)(de)(de)固定(ding)(ding)(ding)方(fang)式(shi),選(xuan)擇懸(xuan)吊(diao)式(shi)、直立式(shi)、側壁式(shi)或是混合(he)式(shi),連接件(jian)和緊(jin)固件(jian)一(yi)(yi)(yi)般是配(pei)套供應的(de)(de)(de)(de),此外,根據(ju)(ju)橋(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)結構選(xuan)擇相應的(de)(de)(de)(de)蓋板。(5)繪(hui)(hui)(hui)出(chu)電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)平(ping)(ping)、剖面(mian)圖(tu)(tu),局(ju)部(bu)部(bu)位還應繪(hui)(hui)(hui)出(chu)空間(jian)圖(tu)(tu),開列材料表。2、如(ru)與電(dian)(dian)(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)合(he)用(yong)時(shi),應將(jiang)電(dian)(dian)(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)和弱(ruo)電(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)各直一(yi)(yi)(yi)側,中間(jian)采用(yong)隔板分(fen)隔。3、弱(ruo)電(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)與其(qi)它(ta)(ta)低(di)電(dian)(dian)(dian)(dian)(dian)(dian)壓電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)合(he)用(yong)橋(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)時(shi),應嚴格(ge)執行選(xuan)擇具有外屏蔽層的(de)(de)(de)(de)弱(ruo)電(dian)(dian)(dian)(dian)(dian)(dian)系統(tong)的(de)(de)(de)(de)弱(ruo)電(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan),避免相互間(jian)的(de)(de)(de)(de)干(gan)擾(rao)。4、其(qi)它(ta)(ta)安(an)(an)裝(1)電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)由室外進(jin)入建(jian)筑物內時(shi),橋(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)向外的(de)(de)(de)(de)坡(po)度不得小于(yu)1/100。(2)電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)與用(yong)電(dian)(dian)(dian)(dian)(dian)(dian)設(she)備(bei)交(jiao)越時(shi),其(qi)間(jian)的(de)(de)(de)(de)凈(jing)距不小于(yu)。(3)兩組電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)在同(tong)一(yi)(yi)(yi)高度平(ping)(ping)行敷(fu)設(she)時(shi),其(qi)間(jian)凈(jing)距不小于(yu)。(4)在平(ping)(ping)行圖(tu)(tu)上(shang)繪(hui)(hui)(hui)出(chu)橋(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)的(de)(de)(de)(de)路由,要注明橋(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)起點(dian)、終點(dian)、拐彎點(dian)、分(fen)支點(dian)及升降點(dian)的(de)(de)(de)(de)坐(zuo)標或定(ding)(ding)(ding)位尺寸、標高,如(ru)能(neng)繪(hui)(hui)(hui)制橋(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)敷(fu)設(she)軸側圖(tu)(tu),則對材料統(tong)計(ji)將(jiang)更(geng)精(jing)確。熱浸鋅橋(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)公司

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