成本(ben)打(da)入托(tuo)架(jia)的(de)單(dan)價部分，工(gong)(gong)程中不需(xu)要供(gong)貨商單(dan)獨(du)報價。而“支(zhi)(zhi)(zhi)吊(diao)架(jia)”包括(kuo)托(tuo)臂、立(li)(li)柱(zhu)、吊(diao)架(jia)等，需(xu)要單(dan)獨(du)開列(lie)(lie)，工(gong)(gong)程中供(gong)貨商需(xu)要單(dan)獨(du)報價。3）統計(ji)量(liang)偏(pian)差大，通(tong)常是數量(liang)偏(pian)少。那(nei)么工(gong)(gong)程報價中如何比(bi)較準(zhun)確地(di)(di)統計(ji)電纜橋(qiao)架(jia)的(de)材(cai)料呢(ni)？一(yi)般(ban)而言，托(tuo)架(jia)的(de)直(zhi)(zhi)通(tong)部分可考慮(lv)1%～2%的(de)裕(yu)量(liang)，彎通(tong)部分則直(zhi)(zhi)接統計(ji)數量(liang)。橋(qiao)架(jia)全長(chang)除以(yi)平均立(li)(li)柱(zhu)間(jian)(jian)距(ju)(ju)（戶外立(li)(li)柱(zhu)跨(kua)距(ju)(ju)一(yi)般(ban)采(cai)(cai)取6m，室內立(li)(li)柱(zhu)跨(kua)距(ju)(ju)一(yi)般(ban)采(cai)(cai)取3m），得(de)到立(li)(li)柱(zhu)數，增加2%～4%裕(yu)量(liang)。而橋(qiao)架(jia)全長(chang)除以(yi)支(zhi)(zhi)(zhi)吊(diao)架(jia)平均間(jian)(jian)距(ju)(ju)，得(de)到支(zhi)(zhi)(zhi)吊(diao)架(jia)數，再考慮(lv)1%～2%裕(yu)量(liang)。至于支(zhi)(zhi)(zhi)吊(diao)架(jia)的(de)間(jian)(jian)距(ju)(ju)，戶內直(zhi)(zhi)線(xian)段(duan)支(zhi)(zhi)(zhi)吊(diao)架(jia)間(jian)(jian)距(ju)(ju)一(yi)般(ban)取～3m，垂直(zhi)(zhi)安裝的(de)支(zhi)(zhi)(zhi)架(jia)間(jian)(jian)距(ju)(ju)不大于2m。非(fei)直(zhi)(zhi)線(xian)段(duan)的(de)支(zhi)(zhi)(zhi)吊(diao)架(jia)配(pei)置(zhi)應當遵守規范規定：當彎通(tong)彎曲半徑小于300mm時，應在距(ju)(ju)非(fei)直(zhi)(zhi)線(xian)段(duan)與(yu)直(zhi)(zhi)線(xian)結(jie)合(he)處300～600mm的(de)直(zhi)(zhi)線(xian)段(duan)側設置(zhi)一(yi)個(ge)支(zhi)(zhi)(zhi)吊(diao)架(jia)。惠州市三(san)民實(shi)業(ye)有限公(gong)司，是一(yi)家集(ji)電纜橋(qiao)架(jia)、科(ke)研(yan)、生產、銷售、服務為一(yi)體的(de)企業(ye)，公(gong)司兼營電線(xian)、電纜等建材(cai)相關產品(pin)。公(gong)司實(shi)力雄厚，全國多(duo)個(ge)大型(xing)重點工(gong)(gong)程項目指定供(gong)應商，并(bing)與(yu)多(duo)家房地(di)(di)產公(gong)司和(he)電力安裝單(dan)位(wei)建立(li)(li)長(chang)期緊密合(he)作關系。橋(qiao)架(jia)產品(pin)有托(tuo)盤式(shi)、槽(cao)式(shi)、梯級式(shi)鋼(gang)制及鋁合(he)金橋(qiao)架(jia)系列(lie)(lie)，組合(he)式(shi)及玻璃鋼(gang)、防火橋(qiao)架(jia)系列(lie)(lie)。公(gong)司自成立(li)(li)以(yi)來，順應經濟發展(zhan)的(de)潮流。熱(re)浸鋅線(xian)槽(cao)就找三(san)民橋(qiao)架(jia)。汕頭熱(re)鍍鋅橋(qiao)架(jia)廠家

它(ta)具有結(jie)構(gou)簡單、配置靈活、安(an)(an)裝方(fang)便(bian)、形式(shi)(shi)新穎等特(te)點。大(da)跨距(ju)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)圖(tu)組(zu)合式(shi)(shi)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)只要(yao)采用(yong)寬100、150、200mm的(de)三(san)種基型就(jiu)(jiu)可以組(zu)成(cheng)(cheng)您(nin)所需要(yao)尺寸(cun)的(de)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)，它(ta)不需生(sheng)(sheng)(sheng)產(chan)(chan)彎通(tong)、三(san)通(tong)等配件就(jiu)(jiu)可以根據現(xian)場(chang)安(an)(an)裝任意轉向、變(bian)寬、分引(yin)(yin)上(shang)、引(yin)(yin)下。在任意部位、不需要(yao)打孔、焊接就(jiu)(jiu)可用(yong)管引(yin)(yin)出。它(ta)既可方(fang)便(bian)工程設計，又方(fang)便(bian)生(sheng)(sheng)(sheng)產(chan)(chan)運輸、更方(fang)便(bian)安(an)(an)裝施工，是(shi)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)中(zhong)理想的(de)產(chan)(chan)品。電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(20張)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)設計編輯智能建筑(zhu)的(de)弱電(dian)(dian)(dian)(dian)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong),通(tong)常有多(duo)個(ge)信息(xi)監控和(he)(he)通(tong)信設施諸如BA(樓宇自(zi)動(dong)(dong)化(hua))、OA(辦公(gong)自(zi)動(dong)(dong)化(hua))、CA(通(tong)信自(zi)動(dong)(dong)化(hua))等相應的(de)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)組(zu)成(cheng)(cheng),以BA為例,除了(le)建筑(zhu)物本身的(de)供電(dian)(dian)(dian)(dian)、供排水(shui)、空調、電(dian)(dian)(dian)(dian)梯和(he)(he)停(ting)車場(chang)等設施配置必要(yao)的(de)信息(xi)監控外(wai),還有SA(安(an)(an)保自(zi)動(dong)(dong)化(hua))、FA(消防自(zi)動(dong)(dong)化(hua))等若干(gan)個(ge)子系(xi)(xi)(xi)(xi)統(tong)(tong)(tong),實現(xian)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)集(ji)成(cheng)(cheng)或(huo)部分系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)集(ji)成(cheng)(cheng)。根據建筑(zhu)主(zhu)體的(de)功(gong)能需求來(lai)確定其等級和(he)(he)內(nei)容,這些(xie)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)包括(kuo)不同類別的(de)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)和(he)(he)導線,其中(zhong)有些(xie)是(shi)屬于有源(yuan)纜(lan)(lan)(lan)線(電(dian)(dian)(dian)(dian)源(yuan)電(dian)(dian)(dian)(dian)壓一般為DC12/24/48V和(he)(he)AC220V),由于建筑(zhu)行業(ye)的(de)不斷的(de)發展電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)也在與時俱進并(bing)不斷得到(dao)市(shi)場(chang)的(de)認可和(he)(he)接受電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)行業(ye)的(de)國產(chan)(chan)化(hua)力度(du)，產(chan)(chan)品選用(yong)冷(leng)軋(ya)鋼板，得到(dao)關注產(chan)(chan)品選用(yong)冷(leng)軋(ya)鋼板，表面工藝有冷(leng)鍍鋅、熱鍍鋅、靜電(dian)(dian)(dian)(dian)噴涂(tu)、防火(huo)涂(tu)料、烤漆等。東莞槽(cao)式(shi)(shi)橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)生(sheng)(sheng)(sheng)產(chan)(chan)鍍鋅橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)就(jiu)(jiu)找三(san)民橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)。

根(gen)據建(jian)(jian)(jian)筑(zhu)主體的(de)(de)(de)(de)功能需求來確(que)定其等(deng)(deng)(deng)級和內容,這(zhe)些系(xi)統(tong)包括不同(tong)類(lei)別的(de)(de)(de)(de)電(dian)(dian)纜(lan)(lan)和導線(xian),其中(zhong)有(you)些是屬于有(you)源纜(lan)(lan)線(xian)(電(dian)(dian)源電(dian)(dian)壓(ya)一般為DC12/24/48V和AC220V),由(you)于建(jian)(jian)(jian)筑(zhu)行業(ye)的(de)(de)(de)(de)不斷(duan)的(de)(de)(de)(de)發展電(dian)(dian)纜(lan)(lan)橋(qiao)(qiao)架(jia)也在與(yu)時俱進并不斷(duan)得到市場的(de)(de)(de)(de)認可和接受電(dian)(dian)纜(lan)(lan)橋(qiao)(qiao)架(jia)行業(ye)的(de)(de)(de)(de)國產(chan)化(hua)力(li)度(du)，產(chan)品(pin)(pin)選用(yong)冷(leng)(leng)軋鋼板，得到關注產(chan)品(pin)(pin)選用(yong)冷(leng)(leng)軋鋼板，表面工(gong)藝有(you)冷(leng)(leng)鍍鋅(xin)、熱鍍鋅(xin)、靜電(dian)(dian)噴涂、防火涂料、烤漆(qi)等(deng)(deng)(deng)。惠州市三民實業(ye)有(you)限公(gong)司(si)(si)，是一家(jia)集電(dian)(dian)纜(lan)(lan)橋(qiao)(qiao)架(jia)、科研、生產(chan)、銷售、服務為一體的(de)(de)(de)(de)企業(ye)，公(gong)司(si)(si)兼營(ying)電(dian)(dian)線(xian)、電(dian)(dian)纜(lan)(lan)等(deng)(deng)(deng)建(jian)(jian)(jian)材相(xiang)關產(chan)品(pin)(pin)。公(gong)司(si)(si)實力(li)雄(xiong)厚，全(quan)國多個大型重(zhong)點工(gong)程項目指定供(gong)(gong)應商，并與(yu)多家(jia)房地產(chan)公(gong)司(si)(si)和電(dian)(dian)力(li)安裝單位(wei)建(jian)(jian)(jian)立長期緊密合(he)(he)(he)作關系(xi)。橋(qiao)(qiao)架(jia)產(chan)品(pin)(pin)有(you)托盤式(shi)(shi)、槽(cao)式(shi)(shi)、梯(ti)級式(shi)(shi)鋼制及鋁合(he)(he)(he)金橋(qiao)(qiao)架(jia)系(xi)列，組(zu)合(he)(he)(he)式(shi)(shi)及玻璃鋼、防火橋(qiao)(qiao)架(jia)系(xi)列。公(gong)司(si)(si)自成立以(yi)(yi)來，順應經濟發展的(de)(de)(de)(de)潮流，以(yi)(yi)滿足省、市重(zhong)點建(jian)(jian)(jian)設工(gong)程服務需要(yao)為目標，堅(jian)持誠信立業(ye)，以(yi)(yi)市場為導向，竭誠為客(ke)戶(hu)提供(gong)(gong)好的(de)(de)(de)(de)產(chan)品(pin)(pin)和滿意的(de)(de)(de)(de)服務。其中(zhong)產(chan)品(pin)(pin)用(yong)于石油化(hua)工(gong)，冶金，電(dian)(dian)力(li)，學校通(tong)訊，高層(ceng)建(jian)(jian)(jian)筑(zhu)等(deng)(deng)(deng)領域，具有(you)外形美觀，耐腐(fu)蝕性強，通(tong)用(yong)性，安裝靈活方便，品(pin)(pin)種齊(qi)全(quan)等(deng)(deng)(deng)特點。有(you)些則是無(wu)源電(dian)(dian)(光)纜(lan)(lan)線(xian)(如數(shu)據電(dian)(dian)纜(lan)(lan)、視頻(pin)同(tong)軸(zhou)電(dian)(dian)纜(lan)(lan)等(deng)(deng)(deng))，因此，在布線(xian)方式(shi)(shi)和路由(you)選擇的(de)(de)(de)(de)排列進行設計時,應該加以(yi)(yi)區別。

25對(dui)或以(yi)上(shang)主(zhu)干線(xian)電(dian)(dian)(dian)纜(lan)(lan)(lan)、光纜(lan)(lan)(lan)及(ji)其它信號電(dian)(dian)(dian)纜(lan)(lan)(lan)應根據(ju)纜(lan)(lan)(lan)線(xian)的(de)(de)(de)類型(xing)、纜(lan)(lan)(lan)徑、纜(lan)(lan)(lan)線(xian)芯數(shu)(shu)(shu)分(fen)束綁扎。綁扎間距不(bu)宜大于。(12)橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)水平(ping)敷(fu)設時,支撐間距一(yi)般為(wei)。(13)金屬(shu)線(xian)槽敷(fu)設時,在(zai)下列情況(kuang)下設直至架(jia)(jia)或吊架(jia)(jia)：線(xian)槽接(jie)頭(tou)處；間距3m；離(li)開線(xian)槽兩端(duan)口；轉彎(wan)處。5、材料(liao)(liao)統(tong)計(ji)(1)橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)：分(fen)別(bie)統(tong)計(ji)出各種型(xing)號規(gui)格橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)的(de)(de)(de)全長(chang),除(chu)一(yi)該橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)的(de)(de)(de)標(biao)準長(chang)度,得出橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)的(de)(de)(de)數(shu)(shu)(shu)量外,再(zai)增(zeng)(zeng)加1%－2%的(de)(de)(de)余量。(2)立(li)柱：如(ru)采用統(tong)一(yi)規(gui)格的(de)(de)(de)立(li)柱,可(ke)用橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)全長(chang)除(chu)以(yi)平(ping)均(jun)立(li)柱間距,得出立(li)柱數(shu)(shu)(shu),再(zai)增(zeng)(zeng)加2%～4%余量。如(ru)立(li)柱規(gui)格不(bu)一(yi),則需分(fen)別(bie)統(tong)計(ji)。(3)托(tuo)臂(bei)：橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)全長(chang)除(chu)以(yi)托(tuo)臂(bei)平(ping)均(jun)間距,再(zai)增(zeng)(zeng)加1%～2%余量,極(ji)為(wei)總(zong)需量。(4)其它部(bu)件：按其主(zhu)體數(shu)(shu)(shu)乘以(yi)一(yi)定比例(li)(視總(zong)廠而定)求(qiu)得其總(zong)數(shu)(shu)(shu)。[1]電(dian)(dian)(dian)纜(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)選購要點編(bian)輯1．電(dian)(dian)(dian)纜(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)結(jie)(jie)構類型(xing)選擇在(zai)工程設計(ji)文件中(zhong)通常籠統(tong)地(di)將電(dian)(dian)(dian)纜(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)稱呼(hu)為(wei)“橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)”，并未指出具(ju)體的(de)(de)(de)結(jie)(jie)構特征，不(bu)同類型(xing)、不(bu)同制作材料(liao)(liao)的(de)(de)(de)電(dian)(dian)(dian)纜(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)價(jia)格相差較大，且結(jie)(jie)構類型(xing)的(de)(de)(de)混亂會帶(dai)來工作現場散熱(re)、機械防(fang)護方面的(de)(de)(de)問題。故在(zai)設計(ji)階段應要求(qiu)設計(ji)人員根據(ju)工程環(huan)境(jing)特征和技術要求(qiu)，合理選擇電(dian)(dian)(dian)纜(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)的(de)(de)(de)結(jie)(jie)構特征，并在(zai)平(ping)面圖(tu)的(de)(de)(de)型(xing)號標(biao)注和材料(liao)(liao)表(biao)中(zhong)進行(xing)清晰地(di)表(biao)達。電(dian)(dian)(dian)纜(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)好商家推(tui)薦，三民橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)就是好。

二、規格選(xuan)擇(ze)(ze)1、橋(qiao)架(jia)(jia)(jia)的(de)(de)寬度(du)(du)和高(gao)度(du)(du)就按下表選(xuan)擇(ze)(ze)，并應符合(he)(he)(he)電(dian)(dian)纜(lan)填充率不超過(guo)有關標(biao)準規范(fan)的(de)(de)規定值，動力(li)電(dian)(dian)纜(lan)可取(qu)40-50%，控(kong)制電(dian)(dian)纜(lan)可取(qu)50-70%，另外(wai)需預留10-25%的(de)(de)式(shi)(shi)(shi)程(cheng)(cheng)發展(zhan)余量。2、各種彎(wan)通(tong)及附件規格應符合(he)(he)(he)工程(cheng)(cheng)布置(zhi)條件并與橋(qiao)架(jia)(jia)(jia)相(xiang)配(pei)套。3、支(zhi)(zhi)、吊(diao)架(jia)(jia)(jia)規格的(de)(de)選(xuan)擇(ze)(ze)。惠州市(shi)(shi)三(san)民實業(ye)有限(xian)公(gong)(gong)司(si)(si)(si)，是一家(jia)(jia)集(ji)電(dian)(dian)纜(lan)橋(qiao)架(jia)(jia)(jia)、科研(yan)、生(sheng)產、銷售(shou)、服(fu)(fu)務(wu)(wu)為(wei)(wei)一體的(de)(de)企(qi)業(ye)，公(gong)(gong)司(si)(si)(si)兼營電(dian)(dian)線、電(dian)(dian)纜(lan)等建材(cai)相(xiang)關產品(pin)。公(gong)(gong)司(si)(si)(si)實力(li)雄厚，全國多個(ge)大型重(zhong)點工程(cheng)(cheng)項目(mu)指(zhi)定供應商，并與多家(jia)(jia)房地(di)產公(gong)(gong)司(si)(si)(si)和電(dian)(dian)力(li)安裝單位(wei)建立長(chang)期緊密合(he)(he)(he)作關系(xi)。橋(qiao)架(jia)(jia)(jia)產品(pin)有托盤式(shi)(shi)(shi)、槽式(shi)(shi)(shi)、梯(ti)級式(shi)(shi)(shi)鋼(gang)制及鋁合(he)(he)(he)金橋(qiao)架(jia)(jia)(jia)系(xi)列，組合(he)(he)(he)式(shi)(shi)(shi)及玻璃鋼(gang)、防火(huo)橋(qiao)架(jia)(jia)(jia)系(xi)列。公(gong)(gong)司(si)(si)(si)自成立以(yi)來，順應經濟(ji)發展(zhan)的(de)(de)潮流，以(yi)滿足省、市(shi)(shi)重(zhong)點建設(she)工程(cheng)(cheng)服(fu)(fu)務(wu)(wu)需要(yao)(yao)為(wei)(wei)目(mu)標(biao)，堅持誠信立業(ye)，以(yi)市(shi)(shi)場為(wei)(wei)導向(xiang)，竭誠為(wei)(wei)客戶(hu)(hu)提供好的(de)(de)產品(pin)和滿意的(de)(de)服(fu)(fu)務(wu)(wu)。應按橋(qiao)架(jia)(jia)(jia)規格、層數(shu)、跨距(ju)等條件配(pei)置(zhi)。并應滿足荷載的(de)(de)要(yao)(yao)求。4、橋(qiao)架(jia)(jia)(jia)橫截面積(ji)的(de)(de)選(xuan)擇(ze)(ze)見表三(san)、支(zhi)(zhi)、吊(diao)架(jia)(jia)(jia)的(de)(de)配(pei)置(zhi)1、戶(hu)(hu)內支(zhi)(zhi)、吊(diao)短跨距(ju)一般(ban)采(cai)取(qu)。戶(hu)(hu)外(wai)立柱中跨距(ju)一般(ban)采(cai)取(qu)6m。2、非(fei)直(zhi)線段(duan)的(de)(de)支(zhi)(zhi)、吊(diao)架(jia)(jia)(jia)配(pei)置(zhi)就遵循以(yi)下原則(ze)。當(dang)橋(qiao)架(jia)(jia)(jia)寬度(du)(du)<300mm時，應在(zai)距(ju)非(fei)直(zhi)線段(duan)與直(zhi)線結合(he)(he)(he)處(chu)300-600m的(de)(de)直(zhi)線段(duan)側設(she)置(zhi)一個(ge)支(zhi)(zhi)、吊(diao)架(jia)(jia)(jia)。當(dang)橋(qiao)架(jia)(jia)(jia)寬度(du)(du)>300mm時。線槽廠家(jia)(jia)就找三(san)民橋(qiao)架(jia)(jia)(jia)。陽江熱鍍(du)鋅橋(qiao)架(jia)(jia)(jia)廠

三民橋(qiao)架，大國(guo)工匠，至臻(zhen)服務。汕頭熱鍍鋅(xin)橋(qiao)架廠(chang)家

噴粉電(dian)(dian)(dian)(dian)纜(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)不宜作接地干線)，每(mei)個電(dian)(dian)(dian)(dian)纜(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)的(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)阻(zu)(zu)值(zhi)可按(an)下式計(ji)(ji)算(suan)(suan)(suan)：r=ρ·L/S式中(zhong)：ρ=15×10Ω-6/cm(20℃)；L=長度按(an)100mm計(ji)(ji)算(suan)(suan)(suan)；S=截面積(ji)cm2。(2)梯架(jia)(jia)(jia)(jia)(jia)(jia)于托(tuo)盤(pan)的(de)(de)(de)(de)(de)單(dan)位(wei)電(dian)(dian)(dian)(dian)阻(zu)(zu)值(zhi)見(jian)表(biao)2。表(biao)2梯架(jia)(jia)(jia)(jia)(jia)(jia)于托(tuo)盤(pan)的(de)(de)(de)(de)(de)單(dan)位(wei)電(dian)(dian)(dian)(dian)阻(zu)(zu)值(zhi)(3)電(dian)(dian)(dian)(dian)纜(lan)(lan)槽的(de)(de)(de)(de)(de)單(dan)位(wei)電(dian)(dian)(dian)(dian)阻(zu)(zu)值(zhi)見(jian)表(biao)3(4)當電(dian)(dian)(dian)(dian)纜(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)安(an)裝(zhuang)連接程整(zheng)體后，每(mei)根梯邊(bian)(或每(mei)個電(dian)(dian)(dian)(dian)纜(lan)(lan)槽)的(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)阻(zu)(zu)為(wei)：R=L(r+1/3r’)式中(zhong)：R--梯邊(bian)，即（電(dian)(dian)(dian)(dian)纜(lan)(lan)槽）全長總電(dian)(dian)(dian)(dian)阻(zu)(zu)（mΩ）；r--梯邊(bian)單(dan)位(wei)長度電(dian)(dian)(dian)(dian)阻(zu)(zu)（mΩ/m）橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)荷(he)載(zai)(zai)(zai)特性編輯(ji)1、電(dian)(dian)(dian)(dian)纜(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)的(de)(de)(de)(de)(de)荷(he)載(zai)(zai)(zai)電(dian)(dian)(dian)(dian)纜(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)的(de)(de)(de)(de)(de)荷(he)載(zai)(zai)(zai)分為(wei)靜荷(he)載(zai)(zai)(zai)、動荷(he)載(zai)(zai)(zai)和附加荷(he)載(zai)(zai)(zai)。靜荷(he)載(zai)(zai)(zai)是指(zhi)敷設(she)在(zai)電(dian)(dian)(dian)(dian)纜(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)內的(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)纜(lan)(lan)種(zhong)類、根數(shu)、每(mei)根的(de)(de)(de)(de)(de)外(wai)徑重(zhong)量(liang)/單(dan)位(wei)長度，按(an)電(dian)(dian)(dian)(dian)纜(lan)(lan)敷設(she)的(de)(de)(de)(de)(de)不同路由分別列表(biao)統計(ji)(ji)。動荷(he)載(zai)(zai)(zai)是指(zhi)電(dian)(dian)(dian)(dian)纜(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)安(an)裝(zhuang)和維(wei)護過程中(zhong)施工維(wei)修人(ren)員的(de)(de)(de)(de)(de)重(zhong)量(liang)。對于輕型(xing)電(dian)(dian)(dian)(dian)纜(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)，一般不考慮動荷(he)載(zai)(zai)(zai)，即不允許(xu)在(zai)橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)上(shang)站(行)人(ren)，如(ru)果需要考慮站人(ren)，則應將跨距適當縮小。附加荷(he)載(zai)(zai)(zai)在(zai)室外(wai)是指(zhi)冰雪、風和電(dian)(dian)(dian)(dian)磁(ci)力所(suo)形成的(de)(de)(de)(de)(de)荷(he)載(zai)(zai)(zai)，它與安(an)裝(zhuang)場(chang)所(suo)的(de)(de)(de)(de)(de)地區自然氣象條件和帶電(dian)(dian)(dian)(dian)體的(de)(de)(de)(de)(de)性質有關，設(she)計(ji)(ji)中(zhong)應根據(ju)各種(zhong)條件加以(yi)計(ji)(ji)算(suan)(suan)(suan)。2、選用橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)的(de)(de)(de)(de)(de)步驟(1)確定橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)寬(kuan)度、層(ceng)數(shu)、支撐點的(de)(de)(de)(de)(de)型(xing)式和間距、以(yi)及電(dian)(dian)(dian)(dian)纜(lan)(lan)在(zai)各層(ceng)橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)上(shang)的(de)(de)(de)(de)(de)分布(bu)。橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)設(she)計(ji)(ji)(2)計(ji)(ji)算(suan)(suan)(suan)每(mei)層(ceng)電(dian)(dian)(dian)(dian)纜(lan)(lan)的(de)(de)(de)(de)(de)均布(bu)荷(he)載(zai)(zai)(zai)(kN/m2),初步確定橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)的(de)(de)(de)(de)(de)型(xing)號、規格。。汕(shan)頭熱鍍(du)鋅橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)廠家

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