使用(yong)寿(shou)命(ming)(ming)(ming)是钢制(zhi)电(dian)(dian)缆桥(qiao)架(jia)的(de)(de)5倍以上。3．电(dian)(dian)缆桥(qiao)架(jia)表面(mian)防(fang)腐层类(lei)(lei)别(bie)选(xuan)择工(gong)(gong)(gong)程设计中常见的(de)(de)第(di)三个问题(ti)是电(dian)(dian)缆桥(qiao)架(jia)型号没(mei)(mei)有标注防(fang)腐层的(de)(de)类(lei)(lei)别(bie)，也没(mei)(mei)有统一(yi)的(de)(de)文字(zi)说明。此问题(ti)在现实中有教训，如我国(guo)承担总承包的(de)(de)印尼某工(gong)(gong)(gong)程，钢制(zhi)电(dian)(dian)缆桥(qiao)架(jia)的(de)(de)表面(mian)防(fang)腐处理没(mei)(mei)有进行盐雾(wu)试验，完工(gong)(gong)(gong)不(bu)久桥(qiao)架(jia)就(jiu)锈蚀(shi)得相当严重(zhong)，不(bu)得不(bu)更换(huan)。惠州市三民实业有限公司(si)，是一(yi)家(jia)集(ji)电(dian)(dian)缆桥(qiao)架(jia)、科研、生产(chan)、销售(shou)、服务为(wei)一(yi)体(ti)的(de)(de)企业，公司(si)兼(jian)营电(dian)(dian)线、电(dian)(dian)缆等(deng)(deng)建(jian)材相关(guan)产(chan)品(pin)。公司(si)实力雄厚，全国(guo)多(duo)个大型重(zhong)点工(gong)(gong)(gong)程项目(mu)(mu)指定供(gong)应(ying)商，并与多(duo)家(jia)房地(di)产(chan)公司(si)和(he)电(dian)(dian)力安装单位建(jian)立长期紧(jin)密合(he)作(zuo)关(guan)系(xi)。桥(qiao)架(jia)产(chan)品(pin)有托盘(pan)式、槽式、梯级式钢制(zhi)及(ji)(ji)铝合(he)金(jin)桥(qiao)架(jia)系(xi)列(lie)，组合(he)式及(ji)(ji)玻璃钢、防(fang)火桥(qiao)架(jia)系(xi)列(lie)。公司(si)自成立以来，顺应(ying)经(jing)济发展的(de)(de)潮流，以满足省(sheng)、市重(zhong)点建(jian)设工(gong)(gong)(gong)程服务需要(yao)为(wei)目(mu)(mu)标，坚持诚信立业，以市场(chang)为(wei)导向，竭诚为(wei)客户提供(gong)好的(de)(de)产(chan)品(pin)和(he)满意的(de)(de)服务。电(dian)(dian)缆桥(qiao)架(jia)的(de)(de)表面(mian)防(fang)腐层类(lei)(lei)别(bie)主要(yao)有热(re)浸锌(xin)、镀锌(xin)镍、冷(leng)镀锌(xin)、粉末静电(dian)(dian)喷(pen)涂等(deng)(deng)方式，生产(chan)厂(chang)家(jia)资料显示(shi)：热(re)浸锌(xin)工(gong)(gong)(gong)艺(yi)寿(shou)命(ming)(ming)(ming)不(bu)小(xiao)于40年(nian)(nian)，适用(yong)于室外重(zhong)腐蚀(shi)环境(jing)(jing)，造(zao)价高；镀锌(xin)镍工(gong)(gong)(gong)艺(yi)寿(shou)命(ming)(ming)(ming)不(bu)小(xiao)于30年(nian)(nian)，也适用(yong)于室外重(zhong)腐蚀(shi)环境(jing)(jing)，造(zao)价高；冷(leng)镀锌(xin)工(gong)(gong)(gong)艺(yi)寿(shou)命(ming)(ming)(ming)不(bu)小(xiao)于12年(nian)(nian)，适用(yong)于室外轻腐蚀(shi)环境(jing)(jing)，造(zao)价一(yi)般。金(jin)属线槽就(jiu)找(zhao)三民桥(qiao)架(jia)。清远热(re)浸锌(xin)桥(qiao)架(jia)标准(zhun)

也(ye)可以(yi)附设(she)在各种建(jian)(jian)(构(gou)(gou))筑物(wu)和(he)(he)(he)管廊支(zhi)架(jia)(jia)(jia)(jia)(jia)(jia)上(shang)，应(ying)(ying)体现结构(gou)(gou)简单，造型(xing)美观、配置(zhi)灵(ling)活和(he)(he)(he)维修方便(bian)等(deng)特(te)点(dian)(dian)(dian)，全部(bu)零(ling)件(jian)均需进行镀锌处理。安(an)装在建(jian)(jian)筑物(wu)外露天的(de)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)，如(ru)果是(shi)在邻近(jin)海边(bian)或(huo)属于腐(fu)蚀区(qu)，则(ze)材(cai)质必(bi)须具有(you)防腐(fu)、耐(nai)潮(chao)(chao)气、附着力好(hao)，耐(nai)冲击(ji)强(qiang)度高(gao)的(de)物(wu)性(xing)特(te)点(dian)(dian)(dian)。电(dian)(dian)(dian)缆(lan)(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)分(fen)类编辑梯(ti)级(ji)式(shi)电(dian)(dian)(dian)缆(lan)(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)图1、梯(ti)级(ji)式(shi)电(dian)(dian)(dian)缆(lan)(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)CQ1-T型(xing)梯(ti)级(ji)式(shi)电(dian)(dian)(dian)缆(lan)(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)是(shi)根据国内外有(you)关(guan)资料(liao)而改进设(she)计(ji)的(de)。它具有(you)重(zhong)(zhong)量轻(qing)(qing)、成本低(di)、造型(xing)别具、安(an)装方便(bian)、散(san)热、透气好(hao)等(deng)优点(dian)(dian)(dian)。它适(shi)用(yong)于一(yi)般直径较大(da)(da)电(dian)(dian)(dian)缆(lan)(lan)(lan)的(de)敷(fu)设(she)。惠州市三民实业(ye)有(you)限(xian)公(gong)司(si)，是(shi)一(yi)家集电(dian)(dian)(dian)缆(lan)(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)、科研、生产(chan)、销售、服务为一(yi)体的(de)企业(ye)，公(gong)司(si)兼营(ying)电(dian)(dian)(dian)线、电(dian)(dian)(dian)缆(lan)(lan)(lan)等(deng)建(jian)(jian)材(cai)相关(guan)产(chan)品。公(gong)司(si)实力雄厚，全国多个大(da)(da)型(xing)重(zhong)(zhong)点(dian)(dian)(dian)工(gong)(gong)程项目指定供(gong)应(ying)(ying)商，并与多家房地产(chan)公(gong)司(si)和(he)(he)(he)电(dian)(dian)(dian)力安(an)装单位建(jian)(jian)立(li)(li)长期紧(jin)密合作关(guan)系(xi)。桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)产(chan)品有(you)托盘式(shi)、槽式(shi)、梯(ti)级(ji)式(shi)钢(gang)(gang)制及铝合金桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)系(xi)列，组合式(shi)及玻璃钢(gang)(gang)、防火桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)系(xi)列。公(gong)司(si)自成立(li)(li)以(yi)来，顺应(ying)(ying)经济(ji)发展的(de)潮(chao)(chao)流，以(yi)满足省(sheng)、市重(zhong)(zhong)点(dian)(dian)(dian)建(jian)(jian)设(she)工(gong)(gong)程服务需要为目标(biao)，坚持(chi)诚信立(li)(li)业(ye)，以(yi)市场(chang)为导(dao)向(xiang)，竭(jie)诚为客户提供(gong)好(hao)的(de)产(chan)品和(he)(he)(he)满意的(de)服务。适(shi)合于高(gao)、低(di)压动力电(dian)(dian)(dian)缆(lan)(lan)(lan)的(de)敷(fu)设(she)。2、托盘式(shi)电(dian)(dian)(dian)缆(lan)(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)托盘式(shi)电(dian)(dian)(dian)缆(lan)(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)是(shi)石油、化工(gong)(gong)、轻(qing)(qing)工(gong)(gong)、电(dian)(dian)(dian)讯等(deng)方面应(ying)(ying)用(yong)的(de)一(yi)种。揭阳桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)多少钱电(dian)(dian)(dian)线电(dian)(dian)(dian)缆(lan)(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)，三民桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)，耐(nai)腐(fu)蚀抗老化。

按(an)电(dian)(dian)缆(lan)敷设(she)的不(bu)同路(lu)由分(fen)别列(lie)表统计。动荷载是指电(dian)(dian)缆(lan)桥(qiao)架(jia)(jia)(jia)(jia)安(an)装和(he)(he)维(wei)护过程(cheng)(cheng)中(zhong)施(shi)工(gong)维(wei)修人(ren)(ren)员的重量(liang)(liang)。对于轻型电(dian)(dian)缆(lan)桥(qiao)架(jia)(jia)(jia)(jia),一般不(bu)考(kao)虑动荷载,即不(bu)允许在桥(qiao)架(jia)(jia)(jia)(jia)上站(行)人(ren)(ren),如(ru)果需要考(kao)虑站人(ren)(ren)。惠州市三民实业有限公(gong)(gong)司(si)，是一家集电(dian)(dian)缆(lan)桥(qiao)架(jia)(jia)(jia)(jia)、科研(yan)、生产(chan)、销售、服务(wu)(wu)为(wei)一体的企业，公(gong)(gong)司(si)兼营(ying)电(dian)(dian)线(xian)、电(dian)(dian)缆(lan)等建材(cai)相(xiang)关产(chan)品(pin)(pin)。公(gong)(gong)司(si)实力雄厚，全国多个大型重点(dian)工(gong)程(cheng)(cheng)项目指定供(gong)应(ying)商，并与多家房地产(chan)公(gong)(gong)司(si)和(he)(he)电(dian)(dian)力安(an)装单(dan)位建立长期紧(jin)密合(he)作关系。桥(qiao)架(jia)(jia)(jia)(jia)产(chan)品(pin)(pin)有托盘式(shi)、槽式(shi)、梯级(ji)式(shi)钢制(zhi)及(ji)铝合(he)金桥(qiao)架(jia)(jia)(jia)(jia)系列(lie)，组(zu)合(he)式(shi)及(ji)玻璃钢、防(fang)火桥(qiao)架(jia)(jia)(jia)(jia)系列(lie)。公(gong)(gong)司(si)自成立以来(lai)，顺应(ying)经济发(fa)展的潮流(liu)，以满足省、市重点(dian)建设(she)工(gong)程(cheng)(cheng)服务(wu)(wu)需要为(wei)目标，坚(jian)持诚信立业，以市场为(wei)导向，竭诚为(wei)客户提供(gong)好(hao)的产(chan)品(pin)(pin)和(he)(he)满意的服务(wu)(wu)。则应(ying)将跨距适当缩小。附加荷载在室外是指冰雪、风和(he)(he)电(dian)(dian)磁(ci)力所形(xing)成的荷载,它与安(an)装场所的地区自然(ran)气象条件(jian)和(he)(he)带电(dian)(dian)体的性质有关,设(she)计中(zhong)应(ying)根(gen)据(ju)各种条件(jian)加以计算。电(dian)(dian)缆(lan)桥(qiao)架(jia)(jia)(jia)(jia)胀缩问题由于环境(jing)温度(du)变化,钢质电(dian)(dian)缆(lan)桥(qiao)架(jia)(jia)(jia)(jia)会出现(xian)热胀冷(leng)缩的现(xian)象。室外桥(qiao)架(jia)(jia)(jia)(jia)受温度(du)影(ying)响(xiang)较大例如(ru)环境(jing)高温度(du)为(wei)40℃,低温度(du)为(wei)-20℃,则电(dian)(dian)缆(lan)桥(qiao)架(jia)(jia)(jia)(jia)的大收缩量(liang)(liang)按(an)下式(shi)求得：Δt=×10-6×60deg(度(du))×1000mm由此得出结论：温差为(wei)60℃时,Δι=温差为(wei)50℃时,Δι=温差为(wei)40℃时。

选(xuan)(xuan)择悬吊式(shi)(shi)、直立(li)式(shi)(shi)、侧(ce)壁式(shi)(shi)或(huo)是(shi)混合(he)式(shi)(shi),连接件和紧固件一(yi)般是(shi)配套供(gong)(gong)应(ying)(ying)(ying)的(de)(de)(de)(de),此外(wai),根据桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)结(jie)构(gou)选(xuan)(xuan)择相(xiang)应(ying)(ying)(ying)的(de)(de)(de)(de)盖板(ban)。(5)绘(hui)(hui)出(chu)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)平(ping)、剖面图,局部部位还应(ying)(ying)(ying)绘(hui)(hui)出(chu)空(kong)间(jian)图,开(kai)列(lie)(lie)材料表(biao)。2、如(ru)与(yu)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)力电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)合(he)用时(shi)(shi)(shi)(shi),应(ying)(ying)(ying)将电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)力电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)和弱(ruo)(ruo)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)各直一(yi)侧(ce),中间(jian)采用隔(ge)板(ban)分隔(ge)。3、弱(ruo)(ruo)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)与(yu)其它低电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)合(he)用桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)时(shi)(shi)(shi)(shi),应(ying)(ying)(ying)严格(ge)执行(xing)选(xuan)(xuan)择具有外(wai)屏(ping)蔽层的(de)(de)(de)(de)弱(ruo)(ruo)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)系统(tong)的(de)(de)(de)(de)弱(ruo)(ruo)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan),避免(mian)相(xiang)互间(jian)的(de)(de)(de)(de)干(gan)扰。4、其它安装(1)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)由室外(wai)进入建筑物内时(shi)(shi)(shi)(shi),桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)向外(wai)的(de)(de)(de)(de)坡度不得(de)小于1/100。(2)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)与(yu)用电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)设备(bei)交越时(shi)(shi)(shi)(shi),其间(jian)的(de)(de)(de)(de)净距(ju)不小于。(3)两(liang)组(zu)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)在(zai)同(tong)一(yi)高度平(ping)行(xing)敷(fu)设时(shi)(shi)(shi)(shi),其间(jian)净距(ju)不小于。(4)在(zai)平(ping)行(xing)图上绘(hui)(hui)出(chu)桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)的(de)(de)(de)(de)路由,要注明桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)起(qi)点(dian)(dian)、终点(dian)(dian)、拐弯点(dian)(dian)、分支点(dian)(dian)及升(sheng)降点(dian)(dian)的(de)(de)(de)(de)坐标(biao)或(huo)定(ding)位尺寸、标(biao)高,如(ru)能绘(hui)(hui)制桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)敷(fu)设轴侧(ce)图,则(ze)对材料统(tong)计将更精确。惠州市三民(min)(min)实业有限(xian)公司，是(shi)一(yi)家集(ji)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)、科(ke)研、生产、销售、服务为一(yi)体的(de)(de)(de)(de)企(qi)业，公司兼营(ying)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)线、电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)等(deng)建材相(xiang)关(guan)产品。公司实力雄厚，全(quan)国(guo)多(duo)个大型(xing)重点(dian)(dian)工程项目指定(ding)供(gong)(gong)应(ying)(ying)(ying)商，并与(yu)多(duo)家房地产公司和电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)力安装单位建立(li)长期紧密合(he)作关(guan)系。桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)产品有托盘式(shi)(shi)、槽式(shi)(shi)、梯级(ji)式(shi)(shi)钢制及铝合(he)金桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)系列(lie)(lie)，组(zu)合(he)式(shi)(shi)及玻(bo)璃钢、防火(huo)桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)系列(lie)(lie)。公司自成立(li)以(yi)来(lai)，顺应(ying)(ying)(ying)经(jing)济发展的(de)(de)(de)(de)潮流。防火(huo)桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)就找三民(min)(min)桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)。

电(dian)(dian)(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)的(de)(de)表(biao)(biao)面(mian)防(fang)(fang)(fang)(fang)腐层(ceng)类别主(zhu)要有(you)热浸(jin)锌(xin)(xin)(xin)、镀锌(xin)(xin)(xin)镍、冷(leng)镀锌(xin)(xin)(xin)、粉末(mo)静电(dian)(dian)(dian)(dian)喷(pen)(pen)涂(tu)等(deng)方式，生(sheng)产厂家资料显示：热浸(jin)锌(xin)(xin)(xin)工艺寿命(ming)不(bu)小(xiao)于(yu)40年，适用(yong)(yong)于(yu)室(shi)(shi)外(wai)重腐蚀(shi)环境(jing)(jing)，造价高(gao)；镀锌(xin)(xin)(xin)镍工艺寿命(ming)不(bu)小(xiao)于(yu)30年，也适用(yong)(yong)于(yu)室(shi)(shi)外(wai)重腐蚀(shi)环境(jing)(jing)，造价高(gao)；冷(leng)镀锌(xin)(xin)(xin)工艺寿命(ming)不(bu)小(xiao)于(yu)12年，适用(yong)(yong)于(yu)室(shi)(shi)外(wai)轻腐蚀(shi)环境(jing)(jing)，造价一般；粉末(mo)静电(dian)(dian)(dian)(dian)喷(pen)(pen)涂(tu)工艺寿命(ming)不(bu)小(xiao)于(yu)12年，适用(yong)(yong)于(yu)室(shi)(shi)内(nei)(nei)常温(wen)干燥环境(jing)(jing)，价格一般。设(she)(she)计人(ren)员(yuan)应该根据工程(cheng)环境(jing)(jing)条件(jian)合(he)理选(xuan)(xuan)择(ze)电(dian)(dian)(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)的(de)(de)表(biao)(biao)面(mian)防(fang)(fang)(fang)(fang)腐层(ceng)类别，并在(zai)(zai)设(she)(she)计文件(jian)中清晰地(di)表(biao)(biao)达。4．电(dian)(dian)(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)防(fang)(fang)(fang)(fang)火等(deng)级选(xuan)(xuan)择(ze)电(dian)(dian)(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)在(zai)(zai)有(you)防(fang)(fang)(fang)(fang)火要求(qiu)的(de)(de)区段内(nei)(nei)，可在(zai)(zai)电(dian)(dian)(dian)(dian)缆(lan)(lan)梯(ti)架(jia)(jia)(jia)(jia)、托盘内(nei)(nei)添加具有(you)耐(nai)(nai)火或(huo)(huo)难燃性能(neng)的(de)(de)板、网等(deng)材料构成封闭(bi)或(huo)(huo)半封闭(bi)式结构，并采(cai)取在(zai)(zai)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)及其支(zhi)吊(diao)架(jia)(jia)(jia)(jia)表(biao)(biao)面(mian)涂(tu)刷防(fang)(fang)(fang)(fang)火涂(tu)层(ceng)等(deng)措施(shi)，其整(zheng)体耐(nai)(nai)火性能(neng)应满足国(guo)家有(you)关规范或(huo)(huo)标准的(de)(de)要求(qiu)。在(zai)(zai)工程(cheng)防(fang)(fang)(fang)(fang)火要求(qiu)较高(gao)的(de)(de)场所，不(bu)宜采(cai)用(yong)(yong)铝合(he)金电(dian)(dian)(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)。在(zai)(zai)相同(tong)规格下(xia)，阻燃型电(dian)(dian)(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)比(bi)钢(gang)制(zhi)电(dian)(dian)(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)贵(gui)，使用(yong)(yong)寿命(ming)是钢(gang)制(zhi)电(dian)(dian)(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)的(de)(de)5倍以上，重量比(bi)钢(gang)制(zhi)电(dian)(dian)(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)重30%。防(fang)(fang)(fang)(fang)火型电(dian)(dian)(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)比(bi)钢(gang)制(zhi)电(dian)(dian)(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)稍贵(gui)，使用(yong)(yong)寿命(ming)是钢(gang)制(zhi)电(dian)(dian)(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)的(de)(de)3倍以上，重量与钢(gang)制(zhi)电(dian)(dian)(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)基本相同(tong)。5．电(dian)(dian)(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)填充率的(de)(de)选(xuan)(xuan)择(ze)电(dian)(dian)(dian)(dian)缆(lan)(lan)梯(ti)架(jia)(jia)(jia)(jia)、托盘宽(kuan)度和高(gao)度的(de)(de)选(xuan)(xuan)择(ze)应符(fu)合(he)填充率的(de)(de)要求(qiu)。电(dian)(dian)(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)哪家强？三民桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)！云浮热浸(jin)锌(xin)(xin)(xin)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)公司

电缆桥架，正规厂(chang)家，支持(chi)定制，三民桥架。清远热(re)浸(jin)锌(xin)桥架标(biao)准

要注(zhu)明桥(qiao)架(jia)起点(dian)(dian)、终(zhong)点(dian)(dian)、拐弯(wan)(wan)(wan)点(dian)(dian)、分支点(dian)(dian)及(ji)(ji)升降点(dian)(dian)的(de)坐标(biao)或定位(wei)尺寸(cun)、标(biao)高(gao),如(ru)能绘制桥(qiao)架(jia)敷设(she)轴侧图,则对(dui)材料(liao)统(tong)计将更精(jing)确。直(zhi)(zhi)线段：注(zhu)明全长、桥(qiao)架(jia)层数、标(biao)高(gao)、型(xing)号及(ji)(ji)规(gui)(gui)格(ge)。拐弯(wan)(wan)(wan)点(dian)(dian)和分支点(dian)(dian):注(zhu)明所(suo)用(yong)(yong)转弯(wan)(wan)(wan)接板的(de)型(xing)号及(ji)(ji)规(gui)(gui)格(ge)。升降段：注(zhu)明标(biao)高(gao)变化(hua),也可(ke)(ke)(ke)用(yong)(yong)局(ju)部(bu)大(da)样图或剖面(mian)(mian)图表示(shi)。(5)桥(qiao)架(jia)支撑点(dian)(dian),如(ru)立柱、托臂或非标(biao)准支、构(gou)架(jia)的(de)间(jian)距、安装方(fang)式、型(xing)号规(gui)(gui)格(ge)、标(biao)高(gao),可(ke)(ke)(ke)同意在平面(mian)(mian)上(shang)列表说明,也可(ke)(ke)(ke)分段标(biao)出(chu)用(yong)(yong)不(bu)同的(de)剖面(mian)(mian)图、单(dan)线图或大(da)样图表示(shi)。(6)电缆(lan)(lan)(lan)(lan)引(yin)(yin)下点(dian)(dian)位(wei)置及(ji)(ji)引(yin)(yin)下方(fang)式,一般而言,大(da)批电缆(lan)(lan)(lan)(lan)引(yin)(yin)下可(ke)(ke)(ke)用(yong)(yong)垂(chui)(chui)直(zhi)(zhi)弯(wan)(wan)(wan)接板和垂(chui)(chui)直(zhi)(zhi)引(yin)(yin)上(shang)架(jia),少量电缆(lan)(lan)(lan)(lan)引(yin)(yin)下可(ke)(ke)(ke)用(yong)(yong)导板或引(yin)(yin)管注(zhu)明引(yin)(yin)下方(fang)式即可(ke)(ke)(ke)。(7)电缆(lan)(lan)(lan)(lan)桥(qiao)架(jia)宜高(gao)出(chu)地面(mian)(mian)。(8)电缆(lan)(lan)(lan)(lan)桥(qiao)架(jia)内缆(lan)(lan)(lan)(lan)线垂(chui)(chui)直(zhi)(zhi)敷设(she)时(shi)(shi),在缆(lan)(lan)(lan)(lan)线的(de)上(shang)端和每(mei)间(jian)隔(ge)、尾(wei)、转弯(wan)(wan)(wan)及(ji)(ji)每(mei)间(jian)隔(ge)3~5米处(chu)进行(xing)(xing)固定。(9)）在吊(diao)顶内设(she)置时(shi)(shi),槽(cao)(cao)盖开启(qi)面(mian)(mian)应(ying)(ying)保持80(毫米的(de)垂(chui)(chui)直(zhi)(zhi)净空,线槽(cao)(cao)截面(mian)(mian)利(li)用(yong)(yong)率不(bu)应(ying)(ying)超过50%。(10)布放(fang)在线槽(cao)(cao)的(de)缆(lan)(lan)(lan)(lan)线可(ke)(ke)(ke)以(yi)不(bu)绑扎(zha),槽(cao)(cao)内缆(lan)(lan)(lan)(lan)线应(ying)(ying)顺直(zhi)(zhi),槽(cao)(cao)内缆(lan)(lan)(lan)(lan)线应(ying)(ying)顺直(zhi)(zhi),尽量不(bu)交叉,缆(lan)(lan)(lan)(lan)线不(bu)应(ying)(ying)溢出(chu)线槽(cao)(cao),在缆(lan)(lan)(lan)(lan)线进出(chu)线槽(cao)(cao)部(bu)位(wei),转弯(wan)(wan)(wan)处(chu)应(ying)(ying)绑扎(zha)固定。垂(chui)(chui)直(zhi)(zhi)线槽(cao)(cao)布放(fang)缆(lan)(lan)(lan)(lan)线应(ying)(ying)每(mei)间(jian)隔(ge)(11)在水平、垂(chui)(chui)直(zhi)(zhi)桥(qiao)架(jia)和垂(chui)(chui)直(zhi)(zhi)线槽(cao)(cao)中(zhong)敷设(she)线时(shi)(shi),应(ying)(ying)对(dui)缆(lan)(lan)(lan)(lan)线进行(xing)(xing)绑扎(zha)。4对(dui)线电缆(lan)(lan)(lan)(lan)以(yi)24根为束(shu)。清远热浸锌桥(qiao)架(jia)标(biao)准

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