如需利用综合管(guan)廊(lang)架(jia)(jia)设(she)(she)时(shi)。惠州市三民实业有限公(gong)司(si)，是一(yi)家(jia)集电(dian)缆(lan)(lan)(lan)桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)、科研(yan)、生产(chan)、销售、服(fu)务为一(yi)体的(de)(de)(de)企(qi)业，公(gong)司(si)兼营电(dian)线(xian)、电(dian)缆(lan)(lan)(lan)等建材相(xiang)关(guan)产(chan)品(pin)。公(gong)司(si)实力(li)雄厚，全国多个(ge)大型重点工程项目(mu)指定(ding)(ding)供应商，并与多家(jia)房地产(chan)公(gong)司(si)和电(dian)力(li)安装单(dan)位(wei)建立(li)长(zhang)期紧密合作(zuo)关(guan)系。桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)产(chan)品(pin)有托(tuo)盘式(shi)(shi)、槽式(shi)(shi)、梯级式(shi)(shi)钢制(zhi)及铝合金(jin)桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)系列，组合式(shi)(shi)及玻璃钢、防火(huo)桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)系列。公(gong)司(si)自成立(li)以来，顺应经济(ji)发展的(de)(de)(de)潮(chao)流(liu)，以满足省、市重点建设(she)(she)工程服(fu)务需要为目(mu)标，坚持诚信立(li)业，以市场(chang)为导向，竭(jie)诚为客户提供好的(de)(de)(de)产(chan)品(pin)和满意(yi)的(de)(de)(de)服(fu)务。则应在管(guan)道一(yi)侧或上方平行架(jia)(jia)设(she)(she),并考虑引下线(xian)和分支(zhi)(zhi)(zhi)线(xian)尽量避免交叉,如无其它管(guan)架(jia)(jia)借用,则需自设(she)(she)立(li)(支(zhi)(zhi)(zhi))柱(zhu)。(2)荷载计(ji)算(suan)：计(ji)算(suan)电(dian)缆(lan)(lan)(lan)桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)主干线(xian)纵断面上单(dan)位(wei)长(zhang)度(du)(du)的(de)(de)(de)电(dian)缆(lan)(lan)(lan)重量。(3)确(que)定(ding)(ding)桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)的(de)(de)(de)宽度(du)(du)：根(gen)据布放电(dian)缆(lan)(lan)(lan)条数、电(dian)缆(lan)(lan)(lan)直径及电(dian)缆(lan)(lan)(lan)的(de)(de)(de)间(jian)距来确(que)定(ding)(ding)电(dian)缆(lan)(lan)(lan)桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)的(de)(de)(de)型号、规(gui)格,托(tuo)臂(bei)的(de)(de)(de)长(zhang)度(du)(du),支(zhi)(zhi)(zhi)柱(zhu)的(de)(de)(de)长(zhang)度(du)(du)、间(jian)距,桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)的(de)(de)(de)宽度(du)(du)和层(ceng)数。(4)确(que)定(ding)(ding)安装方式(shi)(shi)：根(gen)据场(chang)所的(de)(de)(de)设(she)(she)置条件确(que)定(ding)(ding)桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)的(de)(de)(de)固(gu)定(ding)(ding)方式(shi)(shi)。选(xuan)(xuan)择悬(xuan)吊(diao)式(shi)(shi)、直立(li)式(shi)(shi)、侧壁式(shi)(shi)或是混合式(shi)(shi),连接(jie)件和紧固(gu)件一(yi)般是配套供应的(de)(de)(de),此外,根(gen)据桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)结构选(xuan)(xuan)择相(xiang)应的(de)(de)(de)盖板。(5)绘(hui)出(chu)电(dian)缆(lan)(lan)(lan)桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)平、剖面图,局部(bu)部(bu)位(wei)还应绘(hui)出(chu)空(kong)间(jian)图,开列材料表。2、如与电(dian)力(li)电(dian)缆(lan)(lan)(lan)桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)合用时(shi)。电(dian)缆(lan)(lan)(lan)桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)就找三民桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)。东(dong)莞玻璃钢桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)生产(chan)

mΩ/m）桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)荷(he)(he)载(zai)(zai)特性编辑1、电(dian)(dian)缆(lan)桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)的(de)(de)(de)荷(he)(he)载(zai)(zai)电(dian)(dian)缆(lan)桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)的(de)(de)(de)荷(he)(he)载(zai)(zai)分为(wei)静荷(he)(he)载(zai)(zai)、动(dong)荷(he)(he)载(zai)(zai)和(he)(he)(he)附加(jia)(jia)荷(he)(he)载(zai)(zai)。静荷(he)(he)载(zai)(zai)是指敷(fu)(fu)设在(zai)电(dian)(dian)缆(lan)桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)内的(de)(de)(de)电(dian)(dian)缆(lan)种类、根(gen)数、每根(gen)的(de)(de)(de)外径重(zhong)(zhong)量(liang)/单位长(zhang)度(du)，按电(dian)(dian)缆(lan)敷(fu)(fu)设的(de)(de)(de)不(bu)同路(lu)由分别列(lie)表(biao)统计(ji)(ji)。动(dong)荷(he)(he)载(zai)(zai)是指电(dian)(dian)缆(lan)桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)安装和(he)(he)(he)维护过(guo)程(cheng)中施工维修人(ren)员(yuan)的(de)(de)(de)重(zhong)(zhong)量(liang)。对于轻型(xing)(xing)电(dian)(dian)缆(lan)桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)，一(yi)般(ban)不(bu)考虑(lv)动(dong)荷(he)(he)载(zai)(zai)，即不(bu)允许在(zai)桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)上站(zhan)(行)人(ren)，如果需要(yao)考虑(lv)站(zhan)人(ren)，则应(ying)将跨距(ju)适(shi)当缩(suo)小。附加(jia)(jia)荷(he)(he)载(zai)(zai)在(zai)室外是指冰雪(xue)、风和(he)(he)(he)电(dian)(dian)磁力所(suo)形成(cheng)的(de)(de)(de)荷(he)(he)载(zai)(zai)，它(ta)与安装场所(suo)的(de)(de)(de)地区自(zi)然(ran)气象条(tiao)件和(he)(he)(he)带(dai)电(dian)(dian)体(ti)(ti)的(de)(de)(de)性质(zhi)有关(guan)，设计(ji)(ji)中应(ying)根(gen)据各种条(tiao)件加(jia)(jia)以计(ji)(ji)算(suan)。2、选用桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)的(de)(de)(de)步(bu)(bu)骤(1)确定(ding)桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)宽度(du)、层(ceng)数、支撑点(dian)的(de)(de)(de)型(xing)(xing)式(shi)和(he)(he)(he)间距(ju)、以及电(dian)(dian)缆(lan)在(zai)各层(ceng)桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)上的(de)(de)(de)分布。桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)设计(ji)(ji)(2)计(ji)(ji)算(suan)每层(ceng)电(dian)(dian)缆(lan)的(de)(de)(de)均布荷(he)(he)载(zai)(zai)(kN/m2),初步(bu)(bu)确定(ding)桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)的(de)(de)(de)型(xing)(xing)号、规格。。惠州(zhou)市三(san)民实(shi)业有限公(gong)司(si)，是一(yi)家(jia)集(ji)电(dian)(dian)缆(lan)桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)、科研、生产(chan)(chan)、销售、服务为(wei)一(yi)体(ti)(ti)的(de)(de)(de)企业，公(gong)司(si)兼营电(dian)(dian)线、电(dian)(dian)缆(lan)等(deng)建材(cai)相关(guan)产(chan)(chan)品(pin)。公(gong)司(si)实(shi)力雄厚。全国(guo)多(duo)个(ge)大型(xing)(xing)重(zhong)(zhong)点(dian)工程(cheng)项目指定(ding)供应(ying)商，并与多(duo)家(jia)房(fang)地产(chan)(chan)公(gong)司(si)和(he)(he)(he)电(dian)(dian)力安装单位建立(li)长(zhang)期(qi)紧(jin)密合作(zuo)关(guan)系。桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)产(chan)(chan)品(pin)有托盘式(shi)、槽式(shi)、梯级式(shi)钢制及铝(lv)合金桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)系列(lie)，组合式(shi)及玻璃钢、防火桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)系列(lie)。公(gong)司(si)自(zi)成(cheng)立(li)以来(lai)，顺应(ying)经济发展的(de)(de)(de)潮流。深圳电(dian)(dian)线桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)规格电(dian)(dian)缆(lan)桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)实(shi)力供应(ying)商？三(san)民桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)！

喷粉电(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)不(bu)宜(yi)作接(jie)地干(gan)线)，每个电(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)的(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)阻(zu)值可按下式计算(suan)：r=ρ·L/S式中(zhong)：ρ=15×10Ω-6/cm(20℃)；L=长度按100mm计算(suan)；S=截面积cm2。(2)梯(ti)架(jia)(jia)(jia)(jia)于托盘(pan)的(de)(de)(de)(de)单(dan)位(wei)电(dian)(dian)(dian)(dian)(dian)阻(zu)值见表(biao)2。表(biao)2梯(ti)架(jia)(jia)(jia)(jia)于托盘(pan)的(de)(de)(de)(de)单(dan)位(wei)电(dian)(dian)(dian)(dian)(dian)阻(zu)值(3)电(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)槽的(de)(de)(de)(de)单(dan)位(wei)电(dian)(dian)(dian)(dian)(dian)阻(zu)值见表(biao)3(4)当电(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)安装连接(jie)程整(zheng)体后，每根(gen)(gen)梯(ti)边(bian)(或每个电(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)槽)的(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)阻(zu)为：R=L(r+1/3r’)式中(zhong)：R--梯(ti)边(bian)，即（电(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)槽）全长总电(dian)(dian)(dian)(dian)(dian)阻(zu)（mΩ）；r--梯(ti)边(bian)单(dan)位(wei)长度电(dian)(dian)(dian)(dian)(dian)阻(zu)（mΩ/m）桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)荷(he)载(zai)(zai)特(te)性编辑1、电(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)的(de)(de)(de)(de)荷(he)载(zai)(zai)电(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)的(de)(de)(de)(de)荷(he)载(zai)(zai)分(fen)(fen)为静(jing)荷(he)载(zai)(zai)、动荷(he)载(zai)(zai)和(he)(he)附(fu)加(jia)(jia)荷(he)载(zai)(zai)。静(jing)荷(he)载(zai)(zai)是(shi)指(zhi)敷(fu)设在(zai)电(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)内的(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)种类、根(gen)(gen)数、每根(gen)(gen)的(de)(de)(de)(de)外(wai)径重量/单(dan)位(wei)长度，按电(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)敷(fu)设的(de)(de)(de)(de)不(bu)同(tong)路由分(fen)(fen)别(bie)列表(biao)统计。动荷(he)载(zai)(zai)是(shi)指(zhi)电(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)安装和(he)(he)维(wei)护过(guo)程中(zhong)施工(gong)维(wei)修人员的(de)(de)(de)(de)重量。对于轻型(xing)电(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)，一般不(bu)考虑(lv)动荷(he)载(zai)(zai)，即不(bu)允许在(zai)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)上站(行)人，如果需(xu)要考虑(lv)站人，则(ze)应(ying)将跨(kua)距适(shi)当缩小。附(fu)加(jia)(jia)荷(he)载(zai)(zai)在(zai)室外(wai)是(shi)指(zhi)冰雪、风(feng)和(he)(he)电(dian)(dian)(dian)(dian)(dian)磁力(li)所形成的(de)(de)(de)(de)荷(he)载(zai)(zai)，它与安装场(chang)所的(de)(de)(de)(de)地区自然气象条件和(he)(he)带电(dian)(dian)(dian)(dian)(dian)体的(de)(de)(de)(de)性质有关，设计中(zhong)应(ying)根(gen)(gen)据(ju)各种条件加(jia)(jia)以计算(suan)。2、选用桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)的(de)(de)(de)(de)步骤(1)确定桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)宽度、层数、支撑点的(de)(de)(de)(de)型(xing)式和(he)(he)间距、以及电(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)在(zai)各层桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)上的(de)(de)(de)(de)分(fen)(fen)布(bu)。桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)设计(2)计算(suan)每层电(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)的(de)(de)(de)(de)均布(bu)荷(he)载(zai)(zai)(kN/m2),初步确定桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)的(de)(de)(de)(de)型(xing)号(hao)、规(gui)格。。

桥(qiao)架(jia)(jia)(jia)(jia)(jia)产品(pin)(pin)有托(tuo)盘(pan)(pan)式(shi)、槽式(shi)、梯级(ji)式(shi)钢制及铝合(he)(he)金(jin)桥(qiao)架(jia)(jia)(jia)(jia)(jia)系列(lie)，组(zu)合(he)(he)式(shi)及玻(bo)璃钢、防(fang)(fang)火桥(qiao)架(jia)(jia)(jia)(jia)(jia)系列(lie)。公司自(zi)成(cheng)立以来，顺应(ying)经(jing)济发展的(de)(de)潮(chao)流，以满足省、市(shi)重点(dian)建(jian)设工程服务(wu)需要(yao)(yao)为目标(biao)，坚持诚(cheng)信立业(ye)，以市(shi)场(chang)为导(dao)向，竭诚(cheng)为客户(hu)(hu)提供(gong)好的(de)(de)产品(pin)(pin)和(he)满意的(de)(de)服务(wu)。应(ying)考虑(lv)桥(qiao)架(jia)(jia)(jia)(jia)(jia)的(de)(de)封闭性(xing)[1]。电(dian)(dian)(dian)缆(lan)(lan)桥(qiao)架(jia)(jia)(jia)(jia)(jia)设计(ji)标(biao)准编辑一(yi)、电(dian)(dian)(dian)缆(lan)(lan)桥(qiao)架(jia)(jia)(jia)(jia)(jia)型(xing)式(shi)及品(pin)(pin)种的(de)(de)选(xuan)(xuan)择1、需屏(ping)蔽电(dian)(dian)(dian)器干扰的(de)(de)电(dian)(dian)(dian)缆(lan)(lan)网路或(huo)(huo)(huo)(huo)有防(fang)(fang)护外(wai)部（如：有腐(fu)蚀液体，易(yi)燃(ran)粉(fen)尘(chen)等环境）影响的(de)(de)要(yao)(yao)求时(shi)(shi)，应(ying)选(xuan)(xuan)用(yong)(yong)（FB）类槽式(shi)复(fu)合(he)(he)型(xing)防(fang)(fang)腐(fu)屏(ping)蔽电(dian)(dian)(dian)缆(lan)(lan)桥(qiao)架(jia)(jia)(jia)(jia)(jia)（带盖(gai)(gai)）。2、强腐(fu)蚀性(xing)环境应(ying)采(cai)用(yong)(yong)（F）类复(fu)合(he)(he)环氧(yang)树(shu)脂防(fang)(fang)腐(fu)阻(zu)燃(ran)型(xing)电(dian)(dian)(dian)缆(lan)(lan)桥(qiao)架(jia)(jia)(jia)(jia)(jia)。托(tuo)臂、支架(jia)(jia)(jia)(jia)(jia)也要(yao)(yao)选(xuan)(xuan)用(yong)(yong)同样材料，提高桥(qiao)架(jia)(jia)(jia)(jia)(jia)及附(fu)件的(de)(de)使用(yong)(yong)寿命，电(dian)(dian)(dian)缆(lan)(lan)桥(qiao)架(jia)(jia)(jia)(jia)(jia)。在容易(yi)积灰(hui)(hui)和(he)其它(ta)需遮盖(gai)(gai)的(de)(de)环境或(huo)(huo)(huo)(huo)户(hu)(hu)外(wai)场(chang)所宜加盖(gai)(gai)板(ban)(ban)。3、除上述情况外(wai)，可(ke)(ke)根据现(xian)场(chang)还环境及技术要(yao)(yao)求选(xuan)(xuan)用(yong)(yong)托(tuo)盘(pan)(pan)式(shi)、槽式(shi)、梯级(ji)式(shi)、玻(bo)璃防(fang)(fang)腐(fu)阻(zu)燃(ran)电(dian)(dian)(dian)缆(lan)(lan)桥(qiao)架(jia)(jia)(jia)(jia)(jia)或(huo)(huo)(huo)(huo)钢质(zhi)普(pu)通型(xing)桥(qiao)架(jia)(jia)(jia)(jia)(jia)。在容易(yi)积灰(hui)(hui)和(he)其它(ta)需遮盖(gai)(gai)的(de)(de)环境或(huo)(huo)(huo)(huo)户(hu)(hu)外(wai)场(chang)所宜加盖(gai)(gai)板(ban)(ban)。4、在公共通道或(huo)(huo)(huo)(huo)户(hu)(hu)外(wai)跨(kua)越道路段(duan)，底层梯级(ji)的(de)(de)底部宜加垫板(ban)(ban)或(huo)(huo)(huo)(huo)在该(gai)段(duan)使用(yong)(yong)托(tuo)盘(pan)(pan)。大(da)跨(kua)距(ju)(ju)跨(kua)越公共通道时(shi)(shi)，可(ke)(ke)根据用(yong)(yong)户(hu)(hu)要(yao)(yao)求提高桥(qiao)架(jia)(jia)(jia)(jia)(jia)的(de)(de)载荷能力或(huo)(huo)(huo)(huo)选(xuan)(xuan)用(yong)(yong)行架(jia)(jia)(jia)(jia)(jia)。5、大(da)跨(kua)距(ju)(ju)（>3m）要(yao)(yao)选(xuan)(xuan)用(yong)(yong)复(fu)合(he)(he)型(xing)桥(qiao)架(jia)(jia)(jia)(jia)(jia)（FB）。6、户(hu)(hu)外(wai)要(yao)(yao)选(xuan)(xuan)用(yong)(yong)复(fu)合(he)(he)环氧(yang)树(shu)脂桥(qiao)架(jia)(jia)(jia)(jia)(jia)（F）。金(jin)属桥(qiao)架(jia)(jia)(jia)(jia)(jia)就(jiu)找三民桥(qiao)架(jia)(jia)(jia)(jia)(jia)。

全国多个大型(xing)重(zhong)(zhong)点(dian)工(gong)(gong)程(cheng)(cheng)(cheng)项目(mu)指定供应商，并与多家房地产公司(si)和电(dian)(dian)(dian)力安(an)装(zhuang)单位建(jian)(jian)立(li)长(zhang)期(qi)紧(jin)密合(he)作(zuo)关系。桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)产品有托盘式、槽式、梯(ti)级式钢(gang)(gang)制及铝合(he)金(jin)桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)系列(lie)，组合(he)式及玻(bo)璃(li)钢(gang)(gang)、防火(huo)桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)系列(lie)。公司(si)自成立(li)以(yi)来(lai)，顺应经(jing)济发展的(de)(de)潮流，以(yi)满(man)足省、市重(zhong)(zhong)点(dian)建(jian)(jian)设工(gong)(gong)程(cheng)(cheng)(cheng)服务需(xu)要(yao)为(wei)(wei)目(mu)标(biao)，坚(jian)持诚信立(li)业，以(yi)市场为(wei)(wei)导向，竭诚为(wei)(wei)客户提(ti)供好(hao)的(de)(de)产品和满(man)意(yi)的(de)(de)服务。电(dian)(dian)(dian)缆(lan)桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)材质选择电(dian)(dian)(dian)缆(lan)桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)的(de)(de)材质是电(dian)(dian)(dian)缆(lan)桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)工(gong)(gong)程(cheng)(cheng)(cheng)设计常见的(de)(de)另外一(yi)个问题。按照材料划分(fen)，电(dian)(dian)(dian)缆(lan)桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)主要(yao)有钢(gang)(gang)制、玻(bo)璃(li)钢(gang)(gang)和铝合(he)金(jin)几(ji)种。玻(bo)璃(li)钢(gang)(gang)电(dian)(dian)(dian)缆(lan)桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)的(de)(de)特(te)点(dian)是质量(liang)轻，比重(zhong)(zhong)为(wei)(wei)碳(tan)钢(gang)(gang)的(de)(de)1/4；耐水性(xing)和耐腐蚀性(xing)好(hao)，适合(he)化工(gong)(gong)厂(chang)。不(bu)易燃烧，难燃型(xing)玻(bo)璃(li)钢(gang)(gang)电(dian)(dian)(dian)缆(lan)桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)的(de)(de)氧指数≥32。使(shi)用(yong)寿命(ming)长(zhang)，一(yi)般设计寿命(ming)为(wei)(wei)20年(nian)，但(dan)价格是钢(gang)(gang)制电(dian)(dian)(dian)缆(lan)桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)的(de)(de)3倍。施工(gong)(gong)的(de)(de)优(you)越性(xing)在于切割方便、组装(zhuang)灵活，安(an)装(zhuang)无需(xu)动火(huo)，这(zhei)对于危险环(huan)境并且(qie)工(gong)(gong)程(cheng)(cheng)(cheng)工(gong)(gong)期(qi)紧(jin)张的(de)(de)化工(gong)(gong)厂(chang)工(gong)(gong)程(cheng)(cheng)(cheng)意(yi)义尤其(qi)重(zhong)(zhong)大，因为(wei)(wei)在危险环(huan)境，工(gong)(gong)程(cheng)(cheng)(cheng)动火(huo)安(an)装(zhuang)时(shi)化工(gong)(gong)厂(chang)必须停产，经(jing)济效益必受(shou)影(ying)响。铝合(he)金(jin)电(dian)(dian)(dian)缆(lan)桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)重(zhong)(zhong)量(liang)也很轻，由于铝、钢(gang)(gang)比重(zhong)(zhong)不(bu)同（Al=，Fe=），按重(zhong)(zhong)量(liang)计算，铝钢(gang)(gang)之(zhi)比约为(wei)(wei)1：3。铝合(he)金(jin)电(dian)(dian)(dian)缆(lan)桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)外形尺寸、荷载特(te)性(xing)均与钢(gang)(gang)质桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)基(ji)本相近。就费用(yong)而言，铝合(he)金(jin)桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)的(de)(de)造(zao)价比镀锌钢(gang)(gang)制电(dian)(dian)(dian)缆(lan)桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)要(yao)高20%。电(dian)(dian)(dian)缆(lan)桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)认准三(san)民桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)，工(gong)(gong)厂(chang)直销。韶关玻(bo)璃(li)钢(gang)(gang)桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)厂(chang)

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电(dian)(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)(lan)桥(qiao)(qiao)架(jia)(jia)(jia)(jia)的(de)(de)(de)(de)表面(mian)防(fang)(fang)(fang)(fang)腐层(ceng)(ceng)类别主要(yao)(yao)有热浸锌(xin)、镀锌(xin)镍、冷(leng)镀锌(xin)、粉末(mo)静(jing)(jing)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)喷涂等(deng)方式，生产厂(chang)家资料显示：热浸锌(xin)工(gong)艺(yi)寿(shou)(shou)命不(bu)小(xiao)于(yu)(yu)40年(nian)，适用于(yu)(yu)室外(wai)重(zhong)腐蚀环(huan)境(jing)，造(zao)价高(gao)；镀锌(xin)镍工(gong)艺(yi)寿(shou)(shou)命不(bu)小(xiao)于(yu)(yu)30年(nian)，也(ye)适用于(yu)(yu)室外(wai)重(zhong)腐蚀环(huan)境(jing)，造(zao)价高(gao)；冷(leng)镀锌(xin)工(gong)艺(yi)寿(shou)(shou)命不(bu)小(xiao)于(yu)(yu)12年(nian)，适用于(yu)(yu)室外(wai)轻腐蚀环(huan)境(jing)，造(zao)价一般；粉末(mo)静(jing)(jing)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)喷涂工(gong)艺(yi)寿(shou)(shou)命不(bu)小(xiao)于(yu)(yu)12年(nian)，适用于(yu)(yu)室内常温干燥环(huan)境(jing)，价格一般。设计人员应(ying)该(gai)根据工(gong)程(cheng)环(huan)境(jing)条件(jian)合(he)理选(xuan)(xuan)择电(dian)(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)(lan)桥(qiao)(qiao)架(jia)(jia)(jia)(jia)的(de)(de)(de)(de)表面(mian)防(fang)(fang)(fang)(fang)腐层(ceng)(ceng)类别，并在设计文件(jian)中清(qing)晰(xi)地表达(da)。4．电(dian)(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)(lan)桥(qiao)(qiao)架(jia)(jia)(jia)(jia)防(fang)(fang)(fang)(fang)火(huo)等(deng)级(ji)选(xuan)(xuan)择电(dian)(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)(lan)桥(qiao)(qiao)架(jia)(jia)(jia)(jia)在有防(fang)(fang)(fang)(fang)火(huo)要(yao)(yao)求的(de)(de)(de)(de)区段内，可在电(dian)(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)(lan)梯架(jia)(jia)(jia)(jia)、托(tuo)盘内添加具有耐火(huo)或(huo)(huo)难燃性(xing)能(neng)的(de)(de)(de)(de)板、网等(deng)材料构成(cheng)封闭(bi)或(huo)(huo)半封闭(bi)式结构，并采取在桥(qiao)(qiao)架(jia)(jia)(jia)(jia)及其支吊架(jia)(jia)(jia)(jia)表面(mian)涂刷(shua)防(fang)(fang)(fang)(fang)火(huo)涂层(ceng)(ceng)等(deng)措施(shi)，其整体(ti)耐火(huo)性(xing)能(neng)应(ying)满足国(guo)家有关(guan)规范或(huo)(huo)标准的(de)(de)(de)(de)要(yao)(yao)求。在工(gong)程(cheng)防(fang)(fang)(fang)(fang)火(huo)要(yao)(yao)求较高(gao)的(de)(de)(de)(de)场所，不(bu)宜采用铝合(he)金电(dian)(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)(lan)桥(qiao)(qiao)架(jia)(jia)(jia)(jia)。在相同规格下，阻燃型电(dian)(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)(lan)桥(qiao)(qiao)架(jia)(jia)(jia)(jia)比(bi)钢(gang)(gang)(gang)制(zhi)(zhi)(zhi)(zhi)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)(lan)桥(qiao)(qiao)架(jia)(jia)(jia)(jia)贵，使(shi)用寿(shou)(shou)命是钢(gang)(gang)(gang)制(zhi)(zhi)(zhi)(zhi)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)(lan)桥(qiao)(qiao)架(jia)(jia)(jia)(jia)的(de)(de)(de)(de)5倍以上，重(zhong)量比(bi)钢(gang)(gang)(gang)制(zhi)(zhi)(zhi)(zhi)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)(lan)桥(qiao)(qiao)架(jia)(jia)(jia)(jia)重(zhong)30%。防(fang)(fang)(fang)(fang)火(huo)型电(dian)(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)(lan)桥(qiao)(qiao)架(jia)(jia)(jia)(jia)比(bi)钢(gang)(gang)(gang)制(zhi)(zhi)(zhi)(zhi)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)(lan)桥(qiao)(qiao)架(jia)(jia)(jia)(jia)稍贵，使(shi)用寿(shou)(shou)命是钢(gang)(gang)(gang)制(zhi)(zhi)(zhi)(zhi)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)(lan)桥(qiao)(qiao)架(jia)(jia)(jia)(jia)的(de)(de)(de)(de)3倍以上，重(zhong)量与钢(gang)(gang)(gang)制(zhi)(zhi)(zhi)(zhi)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)(lan)桥(qiao)(qiao)架(jia)(jia)(jia)(jia)基本(ben)相同。5．电(dian)(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)(lan)桥(qiao)(qiao)架(jia)(jia)(jia)(jia)填充率的(de)(de)(de)(de)选(xuan)(xuan)择电(dian)(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)(lan)梯架(jia)(jia)(jia)(jia)、托(tuo)盘宽(kuan)度和高(gao)度的(de)(de)(de)(de)选(xuan)(xuan)择应(ying)符合(he)填充率的(de)(de)(de)(de)要(yao)(yao)求。东莞玻璃钢(gang)(gang)(gang)桥(qiao)(qiao)架(jia)(jia)(jia)(jia)生产

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