Δι=工程设(she)计(ji)中直线段电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)桥(qiao)(qiao)架(jia)应(ying)考虑伸缩接(jie)(jie)头,伸缩接(jie)(jie)头的(de)(de)间距建(jian)议(yi)按以下(xia)取(qu)定：当(dang)(dang)(dang)温差为(wei)(wei)40℃时(shi)为(wei)(wei)50m;当(dang)(dang)(dang)温差为(wei)(wei)50℃时(shi)为(wei)(wei)40m;当(dang)(dang)(dang)温差为(wei)(wei)60℃时(shi)为(wei)(wei)40m;电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)桥(qiao)(qiao)架(jia)接(jie)(jie)地根据规范的(de)(de)有(you)(you)关(guan)规定,镀(du)锌(xin)(xin)电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)桥(qiao)(qiao)架(jia)进行良(liang)好的(de)(de)接(jie)(jie)地。(1)镀(du)锌(xin)(xin)电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)桥(qiao)(qiao)架(jia)直接(jie)(jie)板每个(ge)固定螺栓(shuan)接(jie)(jie)触电(dian)(dian)(dian)(dian)(dian)(dian)阻应(ying)小(xiao)于Ω,此时(shi)电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)桥(qiao)(qiao)架(jia)可作为(wei)(wei)接(jie)(jie)地干线(喷粉电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)桥(qiao)(qiao)架(jia)不宜作接(jie)(jie)地干线)，每个(ge)电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)桥(qiao)(qiao)架(jia)的(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)阻值可按下(xia)式(shi)计(ji)算：r=ρ·L/S式(shi)中：ρ=15×10Ω-6/cm(20℃)；L=长(zhang)(zhang)度按100mm计(ji)算；S=截(jie)面积cm2。(2)当(dang)(dang)(dang)电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)桥(qiao)(qiao)架(jia)安装连接(jie)(jie)程整体后,每根梯(ti)边(或每个(ge)电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)槽)的(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)阻为(wei)(wei)：R=L(r+1/3r’)式(shi)中：R--梯(ti)边，即（电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)槽）全长(zhang)(zhang)总电(dian)(dian)(dian)(dian)(dian)(dian)阻（mΩ）；r--梯(ti)边单位长(zhang)(zhang)度电(dian)(dian)(dian)(dian)(dian)(dian)阻（mΩ/m）r’--直接(jie)(jie)板固定螺栓(shuan)接(jie)(jie)触电(dian)(dian)(dian)(dian)(dian)(dian)阻。惠(hui)州市三(san)民实业(ye)有(you)(you)限公司(si)，是一(yi)(yi)家集电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)桥(qiao)(qiao)架(jia)、科研(yan)、生产、销售、服务为(wei)(wei)一(yi)(yi)体的(de)(de)企业(ye)，公司(si)兼(jian)营电(dian)(dian)(dian)(dian)(dian)(dian)线、电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)等建(jian)材(cai)相关(guan)产品。公司(si)实力雄厚，全国(guo)多个(ge)大型(xing)重点工程项目(mu)指定供应(ying)商，并与(yu)多家房地产公司(si)和电(dian)(dian)(dian)(dian)(dian)(dian)力安装单位建(jian)立长(zhang)(zhang)期(qi)紧(jin)密(mi)合(he)作关(guan)系。桥(qiao)(qiao)架(jia)产品有(you)(you)托盘式(shi)、槽式(shi)、梯(ti)级式(shi)钢制及铝(lv)合(he)金(jin)桥(qiao)(qiao)架(jia)系列，组合(he)式(shi)及玻璃(li)钢、防火(huo)桥(qiao)(qiao)架(jia)系列。公司(si)自成立以来，顺应(ying)经(jing)济发展的(de)(de)潮流，以满(man)足省、市重点建(jian)设(she)工程服务需要为(wei)(wei)目(mu)标，坚持诚信(xin)立业(ye)，以市场(chang)为(wei)(wei)导(dao)向。防火(huo)线槽就找三(san)民桥(qiao)(qiao)架(jia)。揭(jie)阳防火(huo)桥(qiao)(qiao)架(jia)报价

3)按大的(de)(de)电(dian)缆(lan)总均(jun)(jun)布(bu)荷(he)(he)载(zai)值(zhi)来验算(suan)(suan)桥(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)强度(du)。验算(suan)(suan)式如(ru)下：Q使用=q1+q2式中(zhong)(zhong)(zhong)：q1--电(dian)缆(lan)的(de)(de)均(jun)(jun)布(bu)荷(he)(he)载(zai)（各层的(de)(de)均(jun)(jun)布(bu)荷(he)(he)载(zai)中(zhong)(zhong)(zhong)取(qu)(qu)大值(zhi)）（kN/m2），均(jun)(jun)布(bu)荷(he)(he)载(zai)是(shi)(shi)托盘、梯架(jia)或电(dian)缆(lan)槽的(de)(de)荷(he)(he)载(zai)；q2--考虑电(dian)缆(lan)敷设或检修(xiu)时(shi)，人(ren)的(de)(de)重量等(deng)效的(de)(de)均(jun)(jun)布(bu)荷(he)(he)载(zai)（kN/m2）,q2值(zhi)的(de)(de)计(ji)算(suan)(suan)，人(ren)的(de)(de)重量一般按p=90kg计(ji)。表示集中(zhong)(zhong)(zhong)荷(he)(he)载(zai)和均(jun)(jun)布(bu)荷(he)(he)载(zai)的(de)(de)弯距(ju)如(ru)图2按大弯距(ju)相(xiang)等(deng)的(de)(de)条件折(zhe)算(suan)(suan)：式中(zhong)(zhong)(zhong)：P--1人(ren)的(de)(de)荷(he)(he)载(zai)(kg)ι--1个支撑(cheng)点(dian)间(jian)距(ju)(若支点(dian)间(jian)距(ju)不(bu)等(deng)时(shi)取(qu)(qu)大值(zhi))(m)q2--1人(ren)的(de)(de)等(deng)效均(jun)(jun)布(bu)荷(he)(he)载(zai)(kg/m)根(gen)据(ju)上(shang)述(shu)初步确定(ding)的(de)(de)桥(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)型号(hao)、规格及支点(dian)间(jian)距(ju)，查阅(yue)生产厂家的(de)(de)样本资料，反(fan)复核查间(jian)距(ju)和桥(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)型号(hao)，直至(zhi)满足(zu)负荷(he)(he)要求为(wei)止。(4)挠(nao)度(du)挠(nao)度(du)值(zhi)如(ru)何取(qu)(qu)定(ding)尚无明确的(de)(de)规定(ding)，在重负区(qu)显(xian)然(ran)应(ying)考虑减(jian)小(xiao)绕度(du)，这意(yi)味着钢材的(de)(de)用量会相(xiang)应(ying)增(zeng)加(jia)，因此计(ji)算(suan)(suan)时(shi)只(zhi)要充分利用钢材的(de)(de)大允许应(ying)力，并保证有(you)足(zu)够的(de)(de)安全(quan)系数(shu)，一般大挠(nao)度(du)与跨距(ju)(支撑(cheng)点(dian)间(jian)距(ju))之比取(qu)(qu)1/250~1/150为(wei)宜。桥(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)结(jie)构(gou)(gou)形式编(bian)辑电(dian)缆(lan)桥(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)载(zai)荷(he)(he)曲线槽式电(dian)缆(lan)桥(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)的(de)(de)结(jie)构(gou)(gou)形式组合式电(dian)缆(lan)桥(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)的(de)(de)结(jie)构(gou)(gou)形式桁架(jia)式梯架(jia)、大跨距(ju)桥(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)的(de)(de)结(jie)构(gou)(gou)形式1．桥(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)的(de)(de)选择1．1在工(gong)程设计(ji)中(zhong)(zhong)(zhong)，桥(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)的(de)(de)布(bu)置应(ying)根(gen)据(ju)经济合理性(xing)、技术可(ke)行性(xing)、运行安全(quan)性(xing)等(deng)因素综合比较，以确定(ding)佳(jia)方案，还要充分满足(zu)施(shi)工(gong)安装、维护检修(xiu)及电(dian)缆(lan)敷设的(de)(de)要求。茂(mao)名铝合金桥(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)标(biao)准电(dian)缆(lan)桥(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)好商家推(tui)荐，三民(min)桥(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)就是(shi)(shi)好。

组合式(shi)及(ji)玻璃钢、防火(huo)桥(qiao)(qiao)架(jia)(jia)系列(lie)。公司自(zi)成立以(yi)来，顺应(ying)(ying)经济发展(zhan)的(de)(de)(de)(de)潮流，以(yi)满足(zu)省、市(shi)(shi)重点(dian)建(jian)设工(gong)(gong)程(cheng)服务需(xu)要(yao)为(wei)目(mu)标，坚(jian)持诚(cheng)信立业，以(yi)市(shi)(shi)场为(wei)导向(xiang)，竭诚(cheng)为(wei)客户提(ti)供好的(de)(de)(de)(de)产品和(he)满意的(de)(de)(de)(de)服务。电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)(lan)(lan)(lan)(lan)的(de)(de)(de)(de)梯架(jia)(jia)和(he)托(tuo)盘内的(de)(de)(de)(de)填充率(lv)在一(yi)般(ban)情(qing)况下(xia)(xia)(xia)，电(dian)(dian)(dian)(dian)(dian)(dian)力电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)(lan)(lan)(lan)(lan)可(ke)取40%～50%，控(kong)制电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)(lan)(lan)(lan)(lan)可(ke)取50%～70%，且宜预留(liu)10%～25%工(gong)(gong)程(cheng)发展(zhan)余(yu)量(liang)。6．电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)(lan)(lan)(lan)(lan)桥(qiao)(qiao)架(jia)(jia)载(zai)荷(he)(he)等(deng)(deng)级的(de)(de)(de)(de)选(xuan)(xuan)(xuan)择(ze)(ze)在选(xuan)(xuan)(xuan)择(ze)(ze)电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)(lan)(lan)(lan)(lan)桥(qiao)(qiao)架(jia)(jia)的(de)(de)(de)(de)荷(he)(he)载(zai)等(deng)(deng)级时(shi)(shi)，电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)(lan)(lan)(lan)(lan)桥(qiao)(qiao)架(jia)(jia)的(de)(de)(de)(de)工(gong)(gong)作(zuo)均布荷(he)(he)载(zai)不应(ying)(ying)大(da)(da)于(yu)所选(xuan)(xuan)(xuan)电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)(lan)(lan)(lan)(lan)桥(qiao)(qiao)架(jia)(jia)荷(he)(he)载(zai)等(deng)(deng)级的(de)(de)(de)(de)额定(ding)均布荷(he)(he)载(zai)，如果电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)(lan)(lan)(lan)(lan)桥(qiao)(qiao)架(jia)(jia)的(de)(de)(de)(de)支吊架(jia)(jia)的(de)(de)(de)(de)实(shi)际跨距不等(deng)(deng)于(yu)2m时(shi)(shi)，则工(gong)(gong)作(zuo)均布荷(he)(he)载(zai)应(ying)(ying)满足(zu)要(yao)求。各种组件(jian)及(ji)支吊架(jia)(jia)在满足(zu)相(xiang)应(ying)(ying)荷(he)(he)载(zai)的(de)(de)(de)(de)条件(jian)下(xia)(xia)(xia)，其规(gui)格(ge)(ge)尺(chi)(chi)寸(cun)(cun)应(ying)(ying)与托(tuo)盘、梯架(jia)(jia)的(de)(de)(de)(de)直线段(duan)、弯通系列(lie)相(xiang)匹配。7．电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)(lan)(lan)(lan)(lan)桥(qiao)(qiao)架(jia)(jia)的(de)(de)(de)(de)规(gui)格(ge)(ge)尺(chi)(chi)寸(cun)(cun)选(xuan)(xuan)(xuan)择(ze)(ze)工(gong)(gong)程(cheng)实(shi)际中，在电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)(lan)(lan)(lan)(lan)桥(qiao)(qiao)架(jia)(jia)的(de)(de)(de)(de)规(gui)格(ge)(ge)尺(chi)(chi)寸(cun)(cun)选(xuan)(xuan)(xuan)择(ze)(ze)方面(mian)的(de)(de)(de)(de)问(wen)题是(shi)要(yao)么偏(pian)大(da)(da)，要(yao)么偏(pian)紧张。如何合理(li)地选(xuan)(xuan)(xuan)择(ze)(ze)电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)(lan)(lan)(lan)(lan)桥(qiao)(qiao)架(jia)(jia)的(de)(de)(de)(de)规(gui)格(ge)(ge)尺(chi)(chi)寸(cun)(cun)呢？《民(min)用建(jian)筑电(dian)(dian)(dian)(dian)(dian)(dian)气设计规(gui)范(fan)》（JGJ16-2008）中8、10、7条规(gui)定(ding)：“电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)(lan)(lan)(lan)(lan)总截面(mian)积与托(tuo)盘内横断面(mian)积的(de)(de)(de)(de)比值，电(dian)(dian)(dian)(dian)(dian)(dian)力电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)(lan)(lan)(lan)(lan)不应(ying)(ying)大(da)(da)于(yu)40%；控(kong)制电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)(lan)(lan)(lan)(lan)不应(ying)(ying)大(da)(da)于(yu)50%。”8．根(gen)据电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)(lan)(lan)(lan)(lan)弯曲半径(jing)选(xuan)(xuan)(xuan)择(ze)(ze)电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)(lan)(lan)(lan)(lan)桥(qiao)(qiao)架(jia)(jia)在选(xuan)(xuan)(xuan)择(ze)(ze)电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)(lan)(lan)(lan)(lan)桥(qiao)(qiao)架(jia)(jia)的(de)(de)(de)(de)弯通或引上、引下(xia)(xia)(xia)装(zhuang)置时(shi)(shi)，不应(ying)(ying)小于(yu)电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)(lan)(lan)(lan)(lan)桥(qiao)(qiao)架(jia)(jia)内电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)(lan)(lan)(lan)(lan)小允许弯曲半径(jing)。

在(zai)(zai)下列情况下设(she)直至架(jia)(jia)(jia)(jia)(jia)或吊架(jia)(jia)(jia)(jia)(jia)：线(xian)槽(cao)接头处(chu)(chu)；间距(ju)3m；离(li)开线(xian)槽(cao)两端口；转弯处(chu)(chu)。5、材料(liao)(liao)统(tong)计(1)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)：分(fen)(fen)别统(tong)计出各种型(xing)(xing)号规格桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)的(de)全长(zhang),除(chu)以(yi)该桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)的(de)标准长(zhang)度,得出桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)的(de)数(shu)量外,再(zai)增加1%－2%的(de)余量。(2)立柱：如(ru)采用(yong)(yong)统(tong)一(yi)(yi)规格的(de)立柱,可(ke)用(yong)(yong)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)全长(zhang)除(chu)以(yi)平(ping)均(jun)立柱间距(ju),得出立柱数(shu),再(zai)增加2%～4%余量。如(ru)立柱规格不一(yi)(yi),则(ze)需(xu)分(fen)(fen)别统(tong)计。(3)托(tuo)(tuo)臂：桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)全长(zhang)除(chu)以(yi)托(tuo)(tuo)臂平(ping)均(jun)间距(ju),再(zai)增加1%～2%余量,极为总(zong)(zong)需(xu)量。(4)其(qi)(qi)它(ta)部件(jian)：按其(qi)(qi)主体数(shu)乘以(yi)一(yi)(yi)定比例(视总(zong)(zong)厂而定)求(qiu)得其(qi)(qi)总(zong)(zong)数(shu)。桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)说明托(tuo)(tuo)盘式(shi)(shi)电(dian)(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)：托(tuo)(tuo)盘式(shi)(shi)电(dian)(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)是(shi)石油、化工、电(dian)(dian)(dian)力、轻工、电(dian)(dian)(dian)视、电(dian)(dian)(dian)讯(xun)等(deng)方面应用(yong)(yong)的(de)一(yi)(yi)种。它(ta)具有(you)重量轻，载荷大，造(zao)型(xing)(xing)美观、结构(gou)简单，安装(zhuang)(zhuang)方便等(deng)优点(dian)，它(ta)既适用(yong)(yong)于动(dong)力电(dian)(dian)(dian)缆(lan)(lan)的(de)安装(zhuang)(zhuang)，也适用(yong)(yong)于控制电(dian)(dian)(dian)缆(lan)(lan)的(de)敷设(she)。托(tuo)(tuo)盘式(shi)(shi)电(dian)(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)其(qi)(qi)表面处(chu)(chu)理(li)可(ke)根据(ju)用(yong)(yong)户需(xu)要(yao)分(fen)(fen)为镀锌(xin)(xin)、静电(dian)(dian)(dian)喷(pen)塑和热镀锌(xin)(xin)三种，在(zai)(zai)重腐蚀环境中(zhong)可(ke)作特殊防腐处(chu)(chu)理(li)。托(tuo)(tuo)盘式(shi)(shi)电(dian)(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)可(ke)备(bei)护(hu)罩，需(xu)要(yao)配护(hu)罩时可(ke)在(zai)(zai)订货(huo)时注明，其(qi)(qi)所有(you)配件(jian)与梯(ti)(ti)级式(shi)(shi)，槽(cao)式(shi)(shi)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)通用(yong)(yong)。梯(ti)(ti)级式(shi)(shi)电(dian)(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)：XQJ-T型(xing)(xing)梯(ti)(ti)级式(shi)(shi)电(dian)(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)是(shi)根据(ju)国(guo)内外有(you)关资料(liao)(liao)及我(wo)厂同类(lei)产品改(gai)进而成。它(ta)具有(you)重量轻，成本低，造(zao)型(xing)(xing)别具，安装(zhuang)(zhuang)方便、散(san)热、透气性(xing)好等(deng)优点(dian)。它(ta)适用(yong)(yong)于一(yi)(yi)般直径较大电(dian)(dian)(dian)缆(lan)(lan)的(de)敷设(she)。质量好的(de)电(dian)(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)，就找三民桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)！

惠州市三(san)民实(shi)业(ye)有限(xian)公(gong)司，是一(yi)家集电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)、科研、生产、销售(shou)、服务(wu)为一(yi)体(ti)的企业(ye)，公(gong)司兼营电(dian)(dian)(dian)(dian)(dian)(dian)线、电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)等(deng)(deng)建(jian)材(cai)相(xiang)关产品(pin)。公(gong)司实(shi)力(li)雄(xiong)厚，全(quan)国多个大型重点(dian)工程项目(mu)指(zhi)定供应(ying)商，并与多家房地产公(gong)司和(he)电(dian)(dian)(dian)(dian)(dian)(dian)力(li)安(an)装(zhuang)(zhuang)单(dan)位建(jian)立(li)长期紧密合(he)作(zuo)关系(xi)。桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)产品(pin)有托盘(pan)式、槽(cao)式、梯级式钢(gang)制及铝(lv)合(he)金(jin)桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)系(xi)列，组合(he)式及玻(bo)璃钢(gang)、防(fang)火桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)系(xi)列。公(gong)司自成立(li)以(yi)(yi)(yi)来，顺应(ying)经济(ji)发展的潮流，以(yi)(yi)(yi)满足省、市重点(dian)建(jian)设工程服务(wu)需要为目(mu)标，坚持诚信(xin)立(li)业(ye)，以(yi)(yi)(yi)市场为导向，竭诚为客户提供好的产品(pin)和(he)满意的服务(wu)。电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)分为槽(cao)式电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)、托盘(pan)式电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)和(he)梯级式电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)、网格桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)等(deng)(deng)结构，由(you)支架(jia)(jia)、托臂和(he)安(an)装(zhuang)(zhuang)附件(jian)等(deng)(deng)组成。可(ke)(ke)以(yi)(yi)(yi)架(jia)(jia)设,也可(ke)(ke)以(yi)(yi)(yi)敷设在(zai)(zai)各种建(jian)(构)筑物和(he)管廊支架(jia)(jia)上，体(ti)现结构简单(dan)、造型美观、配置灵活(huo)和(he)维修方便(bian)等(deng)(deng)特(te)点(dian)，全(quan)部零件(jian)均需进行镀(du)锌(xin)处(chu)理，安(an)装(zhuang)(zhuang)在(zai)(zai)建(jian)筑物外露(lu)天的桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)，如果(guo)是在(zai)(zai)邻近(jin)海(hai)边或属(shu)(shu)于腐(fu)(fu)蚀区，则材(cai)质必(bi)须具(ju)有防(fang)腐(fu)(fu)、耐潮气(qi)、附着力(li)好，耐冲(chong)击强度高的物性特(te)点(dian)。中文名(ming)桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)外文名(ming)cabletray材(cai)质金(jin)属(shu)(shu)、玻(bo)璃钢(gang)用途用于电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)加(jia)工金(jin)属(shu)(shu)制作(zuo)防(fang)腐(fu)(fu)镀(du)锌(xin)、喷塑(su)目(mu)录1胀缩(suo)问题2接地3荷载特(te)性4结构形式5安(an)装(zhuang)(zhuang)要求▪桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)说明▪一(yi)般(ban)术(shu)语桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)胀缩(suo)问题编(bian)辑由(you)于环境温度变化，钢(gang)质电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)会出(chu)现热胀冷缩(suo)的现象(xiang)。电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)认准三(san)民桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)，工厂直销。茂名(ming)消(xiao)防(fang)桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)

电缆桥(qiao)架哪(na)家强？三民桥(qiao)架！揭阳(yang)防火桥(qiao)架报价

成(cheng)本打入托(tuo)架(jia)(jia)(jia)(jia)的(de)单(dan)(dan)价(jia)部分(fen)，工程(cheng)中不需(xu)要(yao)供(gong)货(huo)商(shang)单(dan)(dan)独报(bao)价(jia)。而“支吊(diao)(diao)架(jia)(jia)(jia)(jia)”包括托(tuo)臂、立(li)(li)柱、吊(diao)(diao)架(jia)(jia)(jia)(jia)等，需(xu)要(yao)单(dan)(dan)独开列(lie)，工程(cheng)中供(gong)货(huo)商(shang)需(xu)要(yao)单(dan)(dan)独报(bao)价(jia)。3）统计(ji)量(liang)偏差大(da)，通(tong)(tong)(tong)常是(shi)数量(liang)偏少。那么(me)工程(cheng)报(bao)价(jia)中如(ru)何比较准确地(di)统计(ji)电(dian)(dian)缆桥(qiao)(qiao)架(jia)(jia)(jia)(jia)的(de)材料呢？一(yi)般而言，托(tuo)架(jia)(jia)(jia)(jia)的(de)直(zhi)(zhi)通(tong)(tong)(tong)部分(fen)可考(kao)虑1%～2%的(de)裕(yu)(yu)量(liang)，弯(wan)通(tong)(tong)(tong)部分(fen)则直(zhi)(zhi)接统计(ji)数量(liang)。桥(qiao)(qiao)架(jia)(jia)(jia)(jia)全长(zhang)除以平(ping)均(jun)立(li)(li)柱间(jian)距(ju)（户外立(li)(li)柱跨(kua)距(ju)一(yi)般采(cai)取6m，室内立(li)(li)柱跨(kua)距(ju)一(yi)般采(cai)取3m），得到(dao)立(li)(li)柱数，增(zeng)加(jia)2%～4%裕(yu)(yu)量(liang)。而桥(qiao)(qiao)架(jia)(jia)(jia)(jia)全长(zhang)除以支吊(diao)(diao)架(jia)(jia)(jia)(jia)平(ping)均(jun)间(jian)距(ju)，得到(dao)支吊(diao)(diao)架(jia)(jia)(jia)(jia)数，再考(kao)虑1%～2%裕(yu)(yu)量(liang)。至(zhi)于(yu)支吊(diao)(diao)架(jia)(jia)(jia)(jia)的(de)间(jian)距(ju)，户内直(zhi)(zhi)线(xian)段(duan)支吊(diao)(diao)架(jia)(jia)(jia)(jia)间(jian)距(ju)一(yi)般取～3m，垂直(zhi)(zhi)安装的(de)支架(jia)(jia)(jia)(jia)间(jian)距(ju)不大(da)于(yu)2m。非直(zhi)(zhi)线(xian)段(duan)的(de)支吊(diao)(diao)架(jia)(jia)(jia)(jia)配(pei)置应(ying)当遵守规(gui)范规(gui)定：当弯(wan)通(tong)(tong)(tong)弯(wan)曲半径(jing)小(xiao)于(yu)300mm时，应(ying)在(zai)距(ju)非直(zhi)(zhi)线(xian)段(duan)与直(zhi)(zhi)线(xian)结合处300～600mm的(de)直(zhi)(zhi)线(xian)段(duan)侧(ce)设(she)置一(yi)个(ge)支吊(diao)(diao)架(jia)(jia)(jia)(jia)。惠州市三民实业(ye)(ye)有限公司，是(shi)一(yi)家(jia)集电(dian)(dian)缆桥(qiao)(qiao)架(jia)(jia)(jia)(jia)、科研、生产(chan)(chan)、销售、服务为(wei)一(yi)体的(de)企业(ye)(ye)，公司兼营电(dian)(dian)线(xian)、电(dian)(dian)缆等建材相关产(chan)(chan)品(pin)。公司实力雄厚，全国多个(ge)大(da)型(xing)重点(dian)工程(cheng)项目(mu)指(zhi)定供(gong)应(ying)商(shang)，并与多家(jia)房(fang)地(di)产(chan)(chan)公司和电(dian)(dian)力安装单(dan)(dan)位建立(li)(li)长(zhang)期紧密合作关系。桥(qiao)(qiao)架(jia)(jia)(jia)(jia)产(chan)(chan)品(pin)有托(tuo)盘(pan)式(shi)、槽式(shi)、梯级(ji)式(shi)钢制及铝合金(jin)桥(qiao)(qiao)架(jia)(jia)(jia)(jia)系列(lie)，组合式(shi)及玻(bo)璃钢、防火桥(qiao)(qiao)架(jia)(jia)(jia)(jia)系列(lie)。公司自成(cheng)立(li)(li)以来，顺应(ying)经(jing)济发(fa)展的(de)潮流。揭阳防火桥(qiao)(qiao)架(jia)(jia)(jia)(jia)报(bao)价(jia)

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