根據(ju)建(jian)筑(zhu)主體的(de)(de)(de)(de)功能需求來確定其(qi)等(deng)級(ji)和(he)(he)內(nei)容,這些(xie)系(xi)統包括不(bu)同類別(bie)的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)和(he)(he)導線(xian),其(qi)中有(you)(you)些(xie)是屬于(yu)有(you)(you)源纜(lan)(lan)線(xian)(電(dian)(dian)(dian)(dian)(dian)(dian)源電(dian)(dian)(dian)(dian)(dian)(dian)壓一(yi)(yi)般為(wei)DC12/24/48V和(he)(he)AC220V),由于(yu)建(jian)筑(zhu)行(xing)業的(de)(de)(de)(de)不(bu)斷的(de)(de)(de)(de)發展電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)橋(qiao)(qiao)架(jia)也在與(yu)時(shi)俱(ju)進(jin)并不(bu)斷得到市場的(de)(de)(de)(de)認(ren)可和(he)(he)接受電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)橋(qiao)(qiao)架(jia)行(xing)業的(de)(de)(de)(de)國(guo)產化(hua)力度，產品(pin)(pin)(pin)選(xuan)用(yong)冷(leng)軋鋼板(ban)，得到關注產品(pin)(pin)(pin)選(xuan)用(yong)冷(leng)軋鋼板(ban)，表(biao)面(mian)工(gong)藝有(you)(you)冷(leng)鍍(du)(du)鋅、熱鍍(du)(du)鋅、靜電(dian)(dian)(dian)(dian)(dian)(dian)噴涂、防火涂料、烤漆(qi)等(deng)。惠州市三民實(shi)(shi)業有(you)(you)限公(gong)(gong)司(si)(si)，是一(yi)(yi)家集電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)橋(qiao)(qiao)架(jia)、科研、生產、銷(xiao)售(shou)、服務(wu)(wu)為(wei)一(yi)(yi)體的(de)(de)(de)(de)企業，公(gong)(gong)司(si)(si)兼營電(dian)(dian)(dian)(dian)(dian)(dian)線(xian)、電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)等(deng)建(jian)材相(xiang)關產品(pin)(pin)(pin)。公(gong)(gong)司(si)(si)實(shi)(shi)力雄厚，全國(guo)多(duo)個(ge)大型重(zhong)(zhong)點(dian)工(gong)程項(xiang)目(mu)指定供應商(shang)，并與(yu)多(duo)家房地產公(gong)(gong)司(si)(si)和(he)(he)電(dian)(dian)(dian)(dian)(dian)(dian)力安(an)裝(zhuang)單位(wei)建(jian)立長(chang)期緊密合(he)作(zuo)關系(xi)。橋(qiao)(qiao)架(jia)產品(pin)(pin)(pin)有(you)(you)托盤式(shi)(shi)、槽式(shi)(shi)、梯級(ji)式(shi)(shi)鋼制及(ji)(ji)鋁合(he)金(jin)橋(qiao)(qiao)架(jia)系(xi)列，組合(he)式(shi)(shi)及(ji)(ji)玻璃鋼、防火橋(qiao)(qiao)架(jia)系(xi)列。公(gong)(gong)司(si)(si)自成(cheng)立以(yi)來，順應經濟發展的(de)(de)(de)(de)潮流，以(yi)滿(man)足省(sheng)、市重(zhong)(zhong)點(dian)建(jian)設工(gong)程服務(wu)(wu)需要為(wei)目(mu)標，堅(jian)持(chi)誠信立業，以(yi)市場為(wei)導向，竭誠為(wei)客戶提供好的(de)(de)(de)(de)產品(pin)(pin)(pin)和(he)(he)滿(man)意的(de)(de)(de)(de)服務(wu)(wu)。其(qi)中產品(pin)(pin)(pin)用(yong)于(yu)石油(you)化(hua)工(gong)，冶金(jin)，電(dian)(dian)(dian)(dian)(dian)(dian)力，學校(xiao)通訊，高層(ceng)建(jian)筑(zhu)等(deng)領(ling)域，具(ju)有(you)(you)外形美觀，耐腐蝕性強，通用(yong)性，安(an)裝(zhuang)靈活方便，品(pin)(pin)(pin)種(zhong)齊全等(deng)特(te)點(dian)。有(you)(you)些(xie)則是無源電(dian)(dian)(dian)(dian)(dian)(dian)(光)纜(lan)(lan)線(xian)(如數據(ju)電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)、視頻同軸電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)等(deng))，因此，在布線(xian)方式(shi)(shi)和(he)(he)路(lu)由選(xuan)擇的(de)(de)(de)(de)排列進(jin)行(xing)設計(ji)時(shi),應該加(jia)以(yi)區別(bie)。防火線(xian)槽就找三民橋(qiao)(qiao)架(jia)。茂名熱鍍(du)(du)鋅橋(qiao)(qiao)架(jia)批發

盡(jin)可(ke)能沿建(jian)筑(zhu)(zhu)物的(de)(de)(de)(de)(de)(de)墻、柱、梁及(ji)樓板架(jia)(jia)(jia)(jia)(jia)(jia)(jia)設(she)(she)，如(ru)許利用(yong)(yong)(yong)(yong)綜合(he)(he)管廊架(jia)(jia)(jia)(jia)(jia)(jia)(jia)設(she)(she)時(shi),則應在(zai)管道一側(ce)或上方(fang)平行(xing)(xing)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)設(she)(she),并考(kao)慮(lv)引下線(xian)和分支線(xian)盡(jin)量(liang)避免交叉,如(ru)無其它管架(jia)(jia)(jia)(jia)(jia)(jia)(jia)借(jie)用(yong)(yong)(yong)(yong)，則需(xu)自設(she)(she)立(支)柱。(2)荷(he)載計算：計算電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)主干(gan)線(xian)縱斷面上單位(wei)(wei)長度(du)(du)的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)重(zhong)量(liang)。(3)確(que)(que)(que)(que)定橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)的(de)(de)(de)(de)(de)(de)寬度(du)(du)：根(gen)據(ju)(ju)(ju)布放電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)條數、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)直徑及(ji)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)的(de)(de)(de)(de)(de)(de)間(jian)(jian)距(ju)來確(que)(que)(que)(que)定電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)的(de)(de)(de)(de)(de)(de)型號、規格(ge),托臂的(de)(de)(de)(de)(de)(de)長度(du)(du),支柱的(de)(de)(de)(de)(de)(de)長度(du)(du)、間(jian)(jian)距(ju)，橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)的(de)(de)(de)(de)(de)(de)寬度(du)(du)和層數。(4)確(que)(que)(que)(que)定安(an)裝(zhuang)方(fang)式(shi)：根(gen)據(ju)(ju)(ju)場所的(de)(de)(de)(de)(de)(de)設(she)(she)置(zhi)條件(jian)(jian)確(que)(que)(que)(que)定橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)的(de)(de)(de)(de)(de)(de)固定方(fang)式(shi),選(xuan)擇懸吊式(shi)、直立式(shi)、側(ce)壁式(shi)或是混合(he)(he)式(shi),連接件(jian)(jian)和緊固件(jian)(jian)一般(ban)是配(pei)套供應的(de)(de)(de)(de)(de)(de)，此外，根(gen)據(ju)(ju)(ju)橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)結構選(xuan)折相(xiang)(xiang)應的(de)(de)(de)(de)(de)(de)蓋板。(5)繪出電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)平、剖面圖，局部部位(wei)(wei)還應繪出空間(jian)(jian)圖，開列材料表。2、如(ru)與電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)合(he)(he)用(yong)(yong)(yong)(yong)時(shi)，應將(jiang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)和弱(ruo)(ruo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)各直一側(ce)，中間(jian)(jian)采用(yong)(yong)(yong)(yong)隔板分隔。3、弱(ruo)(ruo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)與其它低電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)合(he)(he)用(yong)(yong)(yong)(yong)橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)時(shi),應嚴格(ge)執行(xing)(xing)選(xuan)擇具有外屏蔽層的(de)(de)(de)(de)(de)(de)弱(ruo)(ruo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)系統的(de)(de)(de)(de)(de)(de)弱(ruo)(ruo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan),避免相(xiang)(xiang)互間(jian)(jian)的(de)(de)(de)(de)(de)(de)干(gan)擾(rao)。4、其它安(an)裝(zhuang)(1)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)由室外進入建(jian)筑(zhu)(zhu)物內時(shi),橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)向(xiang)外的(de)(de)(de)(de)(de)(de)坡度(du)(du)不(bu)得(de)小(xiao)于(yu)1/100。(2)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)與用(yong)(yong)(yong)(yong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)設(she)(she)備交越時(shi),其間(jian)(jian)的(de)(de)(de)(de)(de)(de)凈距(ju)不(bu)小(xiao)于(yu)。(3)兩組電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)在(zai)同一高度(du)(du)平行(xing)(xing)敷設(she)(she)時(shi),其間(jian)(jian)凈距(ju)不(bu)小(xiao)于(yu)。(4)在(zai)平行(xing)(xing)圖上繪出橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)的(de)(de)(de)(de)(de)(de)路由。肇慶電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)品(pin)牌電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)好貨源，廠(chang)家直銷，三民橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)。

成本打入(ru)托(tuo)架(jia)(jia)的(de)(de)單價部(bu)分，工(gong)程中(zhong)不(bu)需(xu)要供(gong)貨商(shang)單獨(du)報(bao)價。而“支(zhi)(zhi)吊(diao)架(jia)(jia)”包括(kuo)托(tuo)臂、立(li)柱(zhu)、吊(diao)架(jia)(jia)等，需(xu)要單獨(du)開列，工(gong)程中(zhong)供(gong)貨商(shang)需(xu)要單獨(du)報(bao)價。3）統計(ji)量(liang)(liang)(liang)偏(pian)差(cha)大(da)(da)，通(tong)(tong)常是數(shu)(shu)(shu)量(liang)(liang)(liang)偏(pian)少。那么工(gong)程報(bao)價中(zhong)如何比較準確地(di)統計(ji)電(dian)纜(lan)橋架(jia)(jia)的(de)(de)材料(liao)呢？一(yi)(yi)般(ban)而言，托(tuo)架(jia)(jia)的(de)(de)直(zhi)(zhi)(zhi)通(tong)(tong)部(bu)分可考慮1%～2%的(de)(de)裕(yu)量(liang)(liang)(liang)，彎通(tong)(tong)部(bu)分則直(zhi)(zhi)(zhi)接(jie)統計(ji)數(shu)(shu)(shu)量(liang)(liang)(liang)。橋架(jia)(jia)全長(chang)除以平均立(li)柱(zhu)間距(ju)（戶外(wai)立(li)柱(zhu)跨距(ju)一(yi)(yi)般(ban)采取6m，室內立(li)柱(zhu)跨距(ju)一(yi)(yi)般(ban)采取3m），得(de)到立(li)柱(zhu)數(shu)(shu)(shu)，增加2%～4%裕(yu)量(liang)(liang)(liang)。而橋架(jia)(jia)全長(chang)除以支(zhi)(zhi)吊(diao)架(jia)(jia)平均間距(ju)，得(de)到支(zhi)(zhi)吊(diao)架(jia)(jia)數(shu)(shu)(shu)，再考慮1%～2%裕(yu)量(liang)(liang)(liang)。至于支(zhi)(zhi)吊(diao)架(jia)(jia)的(de)(de)間距(ju)，戶內直(zhi)(zhi)(zhi)線(xian)(xian)段(duan)(duan)支(zhi)(zhi)吊(diao)架(jia)(jia)間距(ju)一(yi)(yi)般(ban)取～3m，垂直(zhi)(zhi)(zhi)安(an)裝(zhuang)的(de)(de)支(zhi)(zhi)架(jia)(jia)間距(ju)不(bu)大(da)(da)于2m。非直(zhi)(zhi)(zhi)線(xian)(xian)段(duan)(duan)的(de)(de)支(zhi)(zhi)吊(diao)架(jia)(jia)配置應(ying)(ying)(ying)當(dang)遵守規范規定：當(dang)彎通(tong)(tong)彎曲半徑小于300mm時，應(ying)(ying)(ying)在距(ju)非直(zhi)(zhi)(zhi)線(xian)(xian)段(duan)(duan)與(yu)直(zhi)(zhi)(zhi)線(xian)(xian)結(jie)合處300～600mm的(de)(de)直(zhi)(zhi)(zhi)線(xian)(xian)段(duan)(duan)側設置一(yi)(yi)個支(zhi)(zhi)吊(diao)架(jia)(jia)。惠州市(shi)三民(min)實業有(you)限公司，是一(yi)(yi)家集電(dian)纜(lan)橋架(jia)(jia)、科研、生產(chan)、銷售(shou)、服務為一(yi)(yi)體(ti)的(de)(de)企業，公司兼營電(dian)線(xian)(xian)、電(dian)纜(lan)等建材相關產(chan)品。公司實力雄厚，全國多個大(da)(da)型重點工(gong)程項目指(zhi)定供(gong)應(ying)(ying)(ying)商(shang)，并與(yu)多家房地(di)產(chan)公司和電(dian)力安(an)裝(zhuang)單位建立(li)長(chang)期緊密合作(zuo)關系(xi)。橋架(jia)(jia)產(chan)品有(you)托(tuo)盤式(shi)(shi)、槽式(shi)(shi)、梯級式(shi)(shi)鋼制及鋁合金橋架(jia)(jia)系(xi)列，組合式(shi)(shi)及玻璃鋼、防火橋架(jia)(jia)系(xi)列。公司自(zi)成立(li)以來，順應(ying)(ying)(ying)經濟發展的(de)(de)潮流(liu)。

應(ying)(ying)考慮橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)的(de)(de)(de)封(feng)閉性(xing)[1]。電(dian)(dian)(dian)纜橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)設計標(biao)準編輯一、電(dian)(dian)(dian)纜橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)型(xing)式(shi)(shi)(shi)及(ji)品種的(de)(de)(de)選(xuan)(xuan)(xuan)擇(ze)1、需(xu)(xu)屏(ping)蔽電(dian)(dian)(dian)器干擾的(de)(de)(de)電(dian)(dian)(dian)纜網路(lu)或(huo)(huo)(huo)有(you)(you)防護外(wai)(wai)部（如：有(you)(you)腐(fu)(fu)蝕液體，易燃粉塵(chen)等環(huan)境）影(ying)響的(de)(de)(de)要(yao)求時，應(ying)(ying)選(xuan)(xuan)(xuan)用(yong)(yong)(yong)（FB）類槽式(shi)(shi)(shi)復合(he)型(xing)防腐(fu)(fu)屏(ping)蔽電(dian)(dian)(dian)纜橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)（帶(dai)蓋）。2、強腐(fu)(fu)蝕性(xing)環(huan)境應(ying)(ying)采用(yong)(yong)(yong)（F）類復合(he)環(huan)氧樹脂(zhi)防腐(fu)(fu)阻燃型(xing)電(dian)(dian)(dian)纜橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)。托(tuo)(tuo)臂、支(zhi)架(jia)(jia)(jia)(jia)(jia)(jia)也要(yao)選(xuan)(xuan)(xuan)用(yong)(yong)(yong)同樣材料，提(ti)高橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)及(ji)附件(jian)的(de)(de)(de)使(shi)(shi)用(yong)(yong)(yong)壽命，電(dian)(dian)(dian)纜橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)。在容(rong)易積灰和其它需(xu)(xu)遮蓋的(de)(de)(de)環(huan)境或(huo)(huo)(huo)戶外(wai)(wai)場所(suo)宜加(jia)蓋板。3、除上述情況(kuang)外(wai)(wai)，可(ke)根(gen)據(ju)現場還環(huan)境及(ji)技(ji)術要(yao)求選(xuan)(xuan)(xuan)用(yong)(yong)(yong)托(tuo)(tuo)盤式(shi)(shi)(shi)、槽式(shi)(shi)(shi)、梯級式(shi)(shi)(shi)、玻璃防腐(fu)(fu)阻燃電(dian)(dian)(dian)纜橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)或(huo)(huo)(huo)鋼質普通型(xing)橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)。在容(rong)易積灰和其它需(xu)(xu)遮蓋的(de)(de)(de)環(huan)境或(huo)(huo)(huo)戶外(wai)(wai)場所(suo)宜加(jia)蓋板。4、在公共通道或(huo)(huo)(huo)戶外(wai)(wai)跨越道路(lu)段(duan)，底(di)層(ceng)梯級的(de)(de)(de)底(di)部宜加(jia)墊板或(huo)(huo)(huo)在該段(duan)使(shi)(shi)用(yong)(yong)(yong)托(tuo)(tuo)盤。大(da)跨距(ju)跨越公共通道時，可(ke)根(gen)據(ju)用(yong)(yong)(yong)戶要(yao)求提(ti)高橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)的(de)(de)(de)載(zai)荷(he)能力或(huo)(huo)(huo)選(xuan)(xuan)(xuan)用(yong)(yong)(yong)行架(jia)(jia)(jia)(jia)(jia)(jia)。5、大(da)跨距(ju)（>3m）要(yao)選(xuan)(xuan)(xuan)用(yong)(yong)(yong)復合(he)型(xing)橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)（FB）。6、戶外(wai)(wai)要(yao)選(xuan)(xuan)(xuan)用(yong)(yong)(yong)復合(he)環(huan)氧樹脂(zhi)橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)（F）。二(er)、規格(ge)選(xuan)(xuan)(xuan)擇(ze)1、橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)的(de)(de)(de)寬度和高度就按(an)下表選(xuan)(xuan)(xuan)擇(ze)，并應(ying)(ying)符合(he)電(dian)(dian)(dian)纜填(tian)充率不(bu)超過有(you)(you)關標(biao)準規范的(de)(de)(de)規定值，動力電(dian)(dian)(dian)纜可(ke)取40-50%，控(kong)制電(dian)(dian)(dian)纜可(ke)取50-70%，另外(wai)(wai)需(xu)(xu)預留10-25%的(de)(de)(de)式(shi)(shi)(shi)程發展余量。2、各種彎通及(ji)附件(jian)規格(ge)應(ying)(ying)符合(he)工(gong)程布置條件(jian)并與橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)相配套(tao)。3、支(zhi)、吊(diao)架(jia)(jia)(jia)(jia)(jia)(jia)規格(ge)的(de)(de)(de)選(xuan)(xuan)(xuan)擇(ze)。托(tuo)(tuo)盤式(shi)(shi)(shi)線槽就找三民橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)。

粉末(mo)靜(jing)電(dian)(dian)(dian)(dian)(dian)噴(pen)涂工(gong)藝壽命不(bu)小于12年，適(shi)用于室(shi)內常(chang)溫干燥環境，價格一般。設計人(ren)員應(ying)該根(gen)據(ju)工(gong)程(cheng)環境條件合(he)理選(xuan)擇電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)的(de)(de)表面(mian)防(fang)(fang)腐(fu)層類別，并(bing)在(zai)(zai)設計文(wen)件中清晰(xi)地表達。4．電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)防(fang)(fang)火等(deng)(deng)級選(xuan)擇電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)在(zai)(zai)有(you)(you)防(fang)(fang)火要(yao)求的(de)(de)區段內，可(ke)在(zai)(zai)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)梯(ti)架(jia)(jia)(jia)、托(tuo)(tuo)盤內添加(jia)具(ju)有(you)(you)耐火或(huo)(huo)難燃性能的(de)(de)板、網(wang)等(deng)(deng)材(cai)料構成封(feng)閉或(huo)(huo)半封(feng)閉式(shi)結構，并(bing)采(cai)取在(zai)(zai)橋(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)及(ji)其(qi)支吊(diao)架(jia)(jia)(jia)表面(mian)涂刷(shua)防(fang)(fang)火涂層等(deng)(deng)措(cuo)施，其(qi)整體耐火性能應(ying)滿足國(guo)家有(you)(you)關(guan)(guan)規范(fan)或(huo)(huo)標準的(de)(de)要(yao)求。在(zai)(zai)工(gong)程(cheng)防(fang)(fang)火要(yao)求較高的(de)(de)場所，不(bu)宜采(cai)用鋁合(he)金電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)。在(zai)(zai)相(xiang)同(tong)規格下，阻(zu)燃型(xing)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)比(bi)鋼(gang)(gang)(gang)制(zhi)(zhi)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)貴(gui)，使(shi)用壽命是(shi)鋼(gang)(gang)(gang)制(zhi)(zhi)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)的(de)(de)5倍(bei)以(yi)上(shang)，重量比(bi)鋼(gang)(gang)(gang)制(zhi)(zhi)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)重30%。防(fang)(fang)火型(xing)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)比(bi)鋼(gang)(gang)(gang)制(zhi)(zhi)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)稍(shao)貴(gui)，使(shi)用壽命是(shi)鋼(gang)(gang)(gang)制(zhi)(zhi)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)的(de)(de)3倍(bei)以(yi)上(shang)，重量與鋼(gang)(gang)(gang)制(zhi)(zhi)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)基本(ben)相(xiang)同(tong)。5．電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)填充率的(de)(de)選(xuan)擇電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)梯(ti)架(jia)(jia)(jia)、托(tuo)(tuo)盤寬(kuan)度(du)(du)和高度(du)(du)的(de)(de)選(xuan)擇應(ying)符合(he)填充率的(de)(de)要(yao)求。惠州市三(san)民實(shi)業有(you)(you)限公司(si)，是(shi)一家集電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)、科研、生(sheng)產、銷(xiao)售、服務(wu)為一體的(de)(de)企業，公司(si)兼營電(dian)(dian)(dian)(dian)(dian)線、電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)等(deng)(deng)建(jian)材(cai)相(xiang)關(guan)(guan)產品。公司(si)實(shi)力雄厚(hou)，全(quan)國(guo)多(duo)個大型(xing)重點(dian)工(gong)程(cheng)項目指定供應(ying)商，并(bing)與多(duo)家房地產公司(si)和電(dian)(dian)(dian)(dian)(dian)力安裝單位建(jian)立長期緊密合(he)作關(guan)(guan)系(xi)。橋(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)產品有(you)(you)托(tuo)(tuo)盤式(shi)、槽(cao)式(shi)、梯(ti)級式(shi)鋼(gang)(gang)(gang)制(zhi)(zhi)及(ji)鋁合(he)金橋(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)系(xi)列。質量好的(de)(de)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)，就找(zhao)三(san)民橋(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)！東莞梯(ti)式(shi)橋(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)廠家

鋁合(he)金橋架就找三民橋架。茂名熱鍍(du)鋅橋架批發

3)按大(da)的(de)(de)(de)(de)電(dian)(dian)纜(lan)(lan)總均(jun)(jun)布荷(he)(he)載(zai)(zai)(zai)值來驗算(suan)橋(qiao)架(jia)(jia)強度(du)。驗算(suan)式(shi)(shi)(shi)如下：Q使用(yong)=q1+q2式(shi)(shi)(shi)中：q1--電(dian)(dian)纜(lan)(lan)的(de)(de)(de)(de)均(jun)(jun)布荷(he)(he)載(zai)(zai)(zai)（各層的(de)(de)(de)(de)均(jun)(jun)布荷(he)(he)載(zai)(zai)(zai)中取大(da)值）（kN/m2），均(jun)(jun)布荷(he)(he)載(zai)(zai)(zai)是托盤(pan)、梯(ti)架(jia)(jia)或(huo)電(dian)(dian)纜(lan)(lan)槽的(de)(de)(de)(de)荷(he)(he)載(zai)(zai)(zai)；q2--考慮電(dian)(dian)纜(lan)(lan)敷(fu)設(she)或(huo)檢(jian)修時，人(ren)的(de)(de)(de)(de)重(zhong)量(liang)等效的(de)(de)(de)(de)均(jun)(jun)布荷(he)(he)載(zai)(zai)(zai)（kN/m2）,q2值的(de)(de)(de)(de)計(ji)算(suan)，人(ren)的(de)(de)(de)(de)重(zhong)量(liang)一(yi)般(ban)按p=90kg計(ji)。表示集中荷(he)(he)載(zai)(zai)(zai)和均(jun)(jun)布荷(he)(he)載(zai)(zai)(zai)的(de)(de)(de)(de)彎距(ju)如圖2按大(da)彎距(ju)相(xiang)等的(de)(de)(de)(de)條件折(zhe)算(suan)：式(shi)(shi)(shi)中：P--1人(ren)的(de)(de)(de)(de)荷(he)(he)載(zai)(zai)(zai)(kg)ι--1個支(zhi)撐(cheng)點(dian)間(jian)距(ju)(若支(zhi)點(dian)間(jian)距(ju)不(bu)等時取大(da)值)(m)q2--1人(ren)的(de)(de)(de)(de)等效均(jun)(jun)布荷(he)(he)載(zai)(zai)(zai)(kg/m)根(gen)據(ju)上(shang)述初(chu)步確(que)定的(de)(de)(de)(de)橋(qiao)架(jia)(jia)型(xing)號(hao)、規(gui)格及支(zhi)點(dian)間(jian)距(ju)，查閱生產廠家的(de)(de)(de)(de)樣本資料，反復核查間(jian)距(ju)和橋(qiao)架(jia)(jia)型(xing)號(hao)，直至(zhi)滿(man)足(zu)(zu)負(fu)荷(he)(he)要求為(wei)止。(4)撓(nao)度(du)撓(nao)度(du)值如何取定尚(shang)無明(ming)確(que)的(de)(de)(de)(de)規(gui)定，在(zai)重(zhong)負(fu)區(qu)顯然應(ying)考慮減小繞度(du)，這(zhe)意味著鋼(gang)材的(de)(de)(de)(de)用(yong)量(liang)會相(xiang)應(ying)增加，因此計(ji)算(suan)時只要充分(fen)利用(yong)鋼(gang)材的(de)(de)(de)(de)大(da)允許(xu)應(ying)力，并(bing)保證有足(zu)(zu)夠的(de)(de)(de)(de)安全系數，一(yi)般(ban)大(da)撓(nao)度(du)與跨距(ju)(支(zhi)撐(cheng)點(dian)間(jian)距(ju))之比取1/250~1/150為(wei)宜(yi)。橋(qiao)架(jia)(jia)結(jie)構形(xing)(xing)式(shi)(shi)(shi)編輯電(dian)(dian)纜(lan)(lan)橋(qiao)架(jia)(jia)載(zai)(zai)(zai)荷(he)(he)曲線(xian)槽式(shi)(shi)(shi)電(dian)(dian)纜(lan)(lan)橋(qiao)架(jia)(jia)的(de)(de)(de)(de)結(jie)構形(xing)(xing)式(shi)(shi)(shi)組合式(shi)(shi)(shi)電(dian)(dian)纜(lan)(lan)橋(qiao)架(jia)(jia)的(de)(de)(de)(de)結(jie)構形(xing)(xing)式(shi)(shi)(shi)桁架(jia)(jia)式(shi)(shi)(shi)梯(ti)架(jia)(jia)、大(da)跨距(ju)橋(qiao)架(jia)(jia)的(de)(de)(de)(de)結(jie)構形(xing)(xing)式(shi)(shi)(shi)1．橋(qiao)架(jia)(jia)的(de)(de)(de)(de)選(xuan)擇1．1在(zai)工(gong)程設(she)計(ji)中，橋(qiao)架(jia)(jia)的(de)(de)(de)(de)布置應(ying)根(gen)據(ju)經濟合理性、技(ji)術可行性、運(yun)行安全性等因素綜合比較，以(yi)確(que)定佳方案，還要充分(fen)滿(man)足(zu)(zu)施工(gong)安裝、維護(hu)檢(jian)修及電(dian)(dian)纜(lan)(lan)敷(fu)設(she)的(de)(de)(de)(de)要求。茂名(ming)熱鍍鋅橋(qiao)架(jia)(jia)批發

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