噴粉電(dian)(dian)(dian)(dian)纜(lan)(lan)橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)不宜作(zuo)接地干線)，每(mei)個電(dian)(dian)(dian)(dian)纜(lan)(lan)橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)阻(zu)值(zhi)可按(an)(an)下式(shi)(shi)計算(suan)(suan)：r=ρ·L/S式(shi)(shi)中(zhong)：ρ=15×10Ω-6/cm(20℃)；L=長(chang)度按(an)(an)100mm計算(suan)(suan)；S=截面積cm2。(2)梯架(jia)(jia)(jia)于托盤的(de)(de)(de)(de)(de)(de)單(dan)(dan)位(wei)電(dian)(dian)(dian)(dian)阻(zu)值(zhi)見表2。表2梯架(jia)(jia)(jia)于托盤的(de)(de)(de)(de)(de)(de)單(dan)(dan)位(wei)電(dian)(dian)(dian)(dian)阻(zu)值(zhi)(3)電(dian)(dian)(dian)(dian)纜(lan)(lan)槽(cao)的(de)(de)(de)(de)(de)(de)單(dan)(dan)位(wei)電(dian)(dian)(dian)(dian)阻(zu)值(zhi)見表3(4)當(dang)電(dian)(dian)(dian)(dian)纜(lan)(lan)橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)安(an)(an)裝連接程整體后，每(mei)根梯邊(或(huo)每(mei)個電(dian)(dian)(dian)(dian)纜(lan)(lan)槽(cao))的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)阻(zu)為：R=L(r+1/3r’)式(shi)(shi)中(zhong)：R--梯邊，即（電(dian)(dian)(dian)(dian)纜(lan)(lan)槽(cao)）全(quan)長(chang)總電(dian)(dian)(dian)(dian)阻(zu)（mΩ）；r--梯邊單(dan)(dan)位(wei)長(chang)度電(dian)(dian)(dian)(dian)阻(zu)（mΩ/m）橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)荷(he)載(zai)(zai)(zai)(zai)特性(xing)編輯1、電(dian)(dian)(dian)(dian)纜(lan)(lan)橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)的(de)(de)(de)(de)(de)(de)荷(he)載(zai)(zai)(zai)(zai)電(dian)(dian)(dian)(dian)纜(lan)(lan)橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)的(de)(de)(de)(de)(de)(de)荷(he)載(zai)(zai)(zai)(zai)分(fen)(fen)為靜荷(he)載(zai)(zai)(zai)(zai)、動荷(he)載(zai)(zai)(zai)(zai)和(he)(he)(he)附(fu)加荷(he)載(zai)(zai)(zai)(zai)。靜荷(he)載(zai)(zai)(zai)(zai)是(shi)指(zhi)(zhi)敷設在(zai)電(dian)(dian)(dian)(dian)纜(lan)(lan)橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)內(nei)的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)纜(lan)(lan)種(zhong)類、根數、每(mei)根的(de)(de)(de)(de)(de)(de)外徑重量/單(dan)(dan)位(wei)長(chang)度，按(an)(an)電(dian)(dian)(dian)(dian)纜(lan)(lan)敷設的(de)(de)(de)(de)(de)(de)不同路(lu)由(you)分(fen)(fen)別列表統計。動荷(he)載(zai)(zai)(zai)(zai)是(shi)指(zhi)(zhi)電(dian)(dian)(dian)(dian)纜(lan)(lan)橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)安(an)(an)裝和(he)(he)(he)維護過程中(zhong)施工維修(xiu)人(ren)員的(de)(de)(de)(de)(de)(de)重量。對于輕型(xing)電(dian)(dian)(dian)(dian)纜(lan)(lan)橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)，一般不考(kao)慮(lv)動荷(he)載(zai)(zai)(zai)(zai)，即不允許在(zai)橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)上站(zhan)(行(xing))人(ren)，如果需要考(kao)慮(lv)站(zhan)人(ren)，則應將跨(kua)距適當(dang)縮小。附(fu)加荷(he)載(zai)(zai)(zai)(zai)在(zai)室外是(shi)指(zhi)(zhi)冰雪、風和(he)(he)(he)電(dian)(dian)(dian)(dian)磁力所形成的(de)(de)(de)(de)(de)(de)荷(he)載(zai)(zai)(zai)(zai)，它與安(an)(an)裝場(chang)所的(de)(de)(de)(de)(de)(de)地區(qu)自然氣(qi)象條件(jian)和(he)(he)(he)帶(dai)電(dian)(dian)(dian)(dian)體的(de)(de)(de)(de)(de)(de)性(xing)質(zhi)有關，設計中(zhong)應根據各種(zhong)條件(jian)加以計算(suan)(suan)。2、選用橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)的(de)(de)(de)(de)(de)(de)步(bu)驟(1)確(que)定橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)寬(kuan)度、層數、支撐點的(de)(de)(de)(de)(de)(de)型(xing)式(shi)(shi)和(he)(he)(he)間(jian)距、以及電(dian)(dian)(dian)(dian)纜(lan)(lan)在(zai)各層橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)上的(de)(de)(de)(de)(de)(de)分(fen)(fen)布。橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)設計(2)計算(suan)(suan)每(mei)層電(dian)(dian)(dian)(dian)纜(lan)(lan)的(de)(de)(de)(de)(de)(de)均布荷(he)載(zai)(zai)(zai)(zai)(kN/m2),初步(bu)確(que)定橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)的(de)(de)(de)(de)(de)(de)型(xing)號、規格。。哪家電(dian)(dian)(dian)(dian)纜(lan)(lan)橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)廠家做的(de)(de)(de)(de)(de)(de)比較(jiao)好？三民(min)橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)！云浮不銹鋼(gang)橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)公司(si)

則(ze)應在(zai)管(guan)道一(yi)(yi)側(ce)或上方平行(xing)架(jia)(jia)(jia)(jia)設(she)。并考慮引下線(xian)和(he)分(fen)支(zhi)(zhi)線(xian)盡量避免(mian)交叉,如(ru)無其(qi)它(ta)管(guan)架(jia)(jia)(jia)(jia)借用,則(ze)需(xu)自設(she)立(支(zhi)(zhi))柱(zhu)。(2)荷載計(ji)(ji)(ji)算：計(ji)(ji)(ji)算電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)主干(gan)線(xian)縱斷面上單(dan)位(wei)長度的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)重量。(3)確定(ding)橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)的(de)(de)(de)寬度：根(gen)據(ju)布放電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)條數、電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)直徑及電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)的(de)(de)(de)間(jian)(jian)距(ju)(ju)(ju)來確定(ding)電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)的(de)(de)(de)型號、規格(ge),托臂的(de)(de)(de)長度,支(zhi)(zhi)柱(zhu)的(de)(de)(de)長度、間(jian)(jian)距(ju)(ju)(ju),橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)的(de)(de)(de)寬度和(he)層數。(4)確定(ding)安裝方式：根(gen)據(ju)場所的(de)(de)(de)設(she)置條件(jian)確定(ding)橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)的(de)(de)(de)固定(ding)方式,選(xuan)擇懸吊(diao)式、直立式、側(ce)壁式或是混合(he)式,連接件(jian)和(he)緊固件(jian)一(yi)(yi)般是配套供(gong)應的(de)(de)(de),此外(wai),根(gen)據(ju)橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)結構選(xuan)擇相應的(de)(de)(de)蓋板。(5)繪(hui)出電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)平、剖面圖(tu),局部(bu)部(bu)位(wei)還(huan)應繪(hui)出空間(jian)(jian)圖(tu),開列(lie)材(cai)料表。2、如(ru)與電(dian)(dian)(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)合(he)用時(shi),應將電(dian)(dian)(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)和(he)弱(ruo)電(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)各直一(yi)(yi)側(ce),中間(jian)(jian)采用隔(ge)板分(fen)隔(ge)。3、弱(ruo)電(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)與其(qi)它(ta)低(di)電(dian)(dian)(dian)(dian)(dian)(dian)壓電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)合(he)用橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)時(shi),應嚴格(ge)執(zhi)行(xing)選(xuan)擇具有外(wai)屏(ping)蔽(bi)層的(de)(de)(de)弱(ruo)電(dian)(dian)(dian)(dian)(dian)(dian)系統的(de)(de)(de)弱(ruo)電(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan),避免(mian)相互(hu)間(jian)(jian)的(de)(de)(de)干(gan)擾。4、其(qi)它(ta)安裝(1)電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)由室外(wai)進入建筑(zhu)物內(nei)時(shi),橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)向(xiang)外(wai)的(de)(de)(de)坡度不(bu)得小于(yu)(yu)1/100。(2)電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)與用電(dian)(dian)(dian)(dian)(dian)(dian)設(she)備交越時(shi),其(qi)間(jian)(jian)的(de)(de)(de)凈距(ju)(ju)(ju)不(bu)小于(yu)(yu)。(3)兩組電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)在(zai)同一(yi)(yi)高度平行(xing)敷設(she)時(shi),其(qi)間(jian)(jian)凈距(ju)(ju)(ju)不(bu)小于(yu)(yu)。(4)在(zai)平行(xing)圖(tu)上繪(hui)出橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)的(de)(de)(de)路由,要注明(ming)橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)起點、終點、拐彎點、分(fen)支(zhi)(zhi)點及升降點的(de)(de)(de)坐標(biao)或定(ding)位(wei)尺寸、標(biao)高,如(ru)能繪(hui)制橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)敷設(she)軸(zhou)側(ce)圖(tu),則(ze)對材(cai)料統計(ji)(ji)(ji)將更精確。東莞不(bu)銹鋼橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)跨(kua)距(ju)(ju)(ju)熱浸鋅橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)就(jiu)找三民橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)。

電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)的(de)(de)(de)表(biao)面(mian)防腐(fu)(fu)層類別(bie)主要有(you)熱(re)浸鋅(xin)、鍍鋅(xin)鎳(nie)、冷(leng)鍍鋅(xin)、粉末靜電(dian)(dian)(dian)(dian)(dian)(dian)(dian)噴(pen)涂等方式(shi)，生產廠(chang)家(jia)資料顯示：熱(re)浸鋅(xin)工(gong)(gong)(gong)藝(yi)壽(shou)(shou)命(ming)(ming)(ming)不小于(yu)(yu)(yu)40年，適(shi)(shi)用(yong)(yong)(yong)(yong)于(yu)(yu)(yu)室外(wai)重腐(fu)(fu)蝕環(huan)境(jing)，造(zao)價(jia)高(gao)；鍍鋅(xin)鎳(nie)工(gong)(gong)(gong)藝(yi)壽(shou)(shou)命(ming)(ming)(ming)不小于(yu)(yu)(yu)30年，也(ye)適(shi)(shi)用(yong)(yong)(yong)(yong)于(yu)(yu)(yu)室外(wai)重腐(fu)(fu)蝕環(huan)境(jing)，造(zao)價(jia)高(gao)；冷(leng)鍍鋅(xin)工(gong)(gong)(gong)藝(yi)壽(shou)(shou)命(ming)(ming)(ming)不小于(yu)(yu)(yu)12年，適(shi)(shi)用(yong)(yong)(yong)(yong)于(yu)(yu)(yu)室外(wai)輕腐(fu)(fu)蝕環(huan)境(jing)，造(zao)價(jia)一般；粉末靜電(dian)(dian)(dian)(dian)(dian)(dian)(dian)噴(pen)涂工(gong)(gong)(gong)藝(yi)壽(shou)(shou)命(ming)(ming)(ming)不小于(yu)(yu)(yu)12年，適(shi)(shi)用(yong)(yong)(yong)(yong)于(yu)(yu)(yu)室內常溫干(gan)燥環(huan)境(jing)，價(jia)格(ge)一般。設計人員應(ying)該根據(ju)工(gong)(gong)(gong)程(cheng)(cheng)環(huan)境(jing)條件合理選(xuan)擇電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)的(de)(de)(de)表(biao)面(mian)防腐(fu)(fu)層類別(bie)，并在(zai)設計文件中清晰地表(biao)達。4．電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)防火(huo)(huo)等級(ji)選(xuan)擇電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)在(zai)有(you)防火(huo)(huo)要求的(de)(de)(de)區段內，可在(zai)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)梯架(jia)(jia)(jia)(jia)、托盤(pan)內添加具有(you)耐火(huo)(huo)或(huo)難燃性能的(de)(de)(de)板、網等材料構(gou)(gou)成封(feng)閉(bi)或(huo)半封(feng)閉(bi)式(shi)結構(gou)(gou)，并采取在(zai)橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)及其(qi)支吊架(jia)(jia)(jia)(jia)表(biao)面(mian)涂刷防火(huo)(huo)涂層等措施，其(qi)整體(ti)耐火(huo)(huo)性能應(ying)滿足國家(jia)有(you)關(guan)規范(fan)或(huo)標準(zhun)的(de)(de)(de)要求。在(zai)工(gong)(gong)(gong)程(cheng)(cheng)防火(huo)(huo)要求較高(gao)的(de)(de)(de)場所(suo)，不宜采用(yong)(yong)(yong)(yong)鋁合金電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)。在(zai)相同規格(ge)下，阻燃型電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)比鋼(gang)(gang)制電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)貴，使用(yong)(yong)(yong)(yong)壽(shou)(shou)命(ming)(ming)(ming)是鋼(gang)(gang)制電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)的(de)(de)(de)5倍以(yi)上，重量比鋼(gang)(gang)制電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)重30%。防火(huo)(huo)型電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)比鋼(gang)(gang)制電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)稍貴，使用(yong)(yong)(yong)(yong)壽(shou)(shou)命(ming)(ming)(ming)是鋼(gang)(gang)制電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)的(de)(de)(de)3倍以(yi)上，重量與(yu)鋼(gang)(gang)制電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)基(ji)本相同。5．電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)橋(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)填充率的(de)(de)(de)選(xuan)擇電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)梯架(jia)(jia)(jia)(jia)、托盤(pan)寬度和高(gao)度的(de)(de)(de)選(xuan)擇應(ying)符合填充率的(de)(de)(de)要求。

橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)產品有托盤式、槽式、梯(ti)(ti)級式鋼制及(ji)(ji)(ji)鋁合(he)金(jin)橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)系(xi)列，組合(he)式及(ji)(ji)(ji)玻璃鋼、防火橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)系(xi)列。公(gong)司自(zi)成立(li)以(yi)來，順應經(jing)濟(ji)發展的潮流(liu)，以(yi)滿(man)足(zu)省(sheng)、市重點建設(she)工(gong)程服(fu)務(wu)需(xu)要為(wei)目(mu)標(biao)，堅持誠信立(li)業(ye)，以(yi)市場(chang)為(wei)導向，竭誠為(wei)客戶(hu)(hu)(hu)提供好的產品和滿(man)意的服(fu)務(wu)。應考慮(lv)橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)的封閉性[1]。電(dian)(dian)纜(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)設(she)計標(biao)準(zhun)編輯(ji)一、電(dian)(dian)纜(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)型式及(ji)(ji)(ji)品種(zhong)的選(xuan)擇1、需(xu)屏蔽電(dian)(dian)器干擾的電(dian)(dian)纜(lan)(lan)網路或有防護外(wai)部（如(ru)：有腐(fu)蝕液(ye)體，易燃粉塵等環(huan)(huan)境(jing)）影(ying)響的要求時(shi)，應選(xuan)用(yong)(yong)(yong)(yong)（FB）類槽式復合(he)型防腐(fu)屏蔽電(dian)(dian)纜(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)（帶蓋(gai)）。2、強腐(fu)蝕性環(huan)(huan)境(jing)應采用(yong)(yong)(yong)(yong)（F）類復合(he)環(huan)(huan)氧(yang)樹脂防腐(fu)阻(zu)燃型電(dian)(dian)纜(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)。托臂、支架(jia)(jia)(jia)(jia)也(ye)要選(xuan)用(yong)(yong)(yong)(yong)同(tong)樣材料，提高(gao)橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)及(ji)(ji)(ji)附件的使(shi)用(yong)(yong)(yong)(yong)壽命，電(dian)(dian)纜(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)。在容易積灰和其它需(xu)遮(zhe)蓋(gai)的環(huan)(huan)境(jing)或戶(hu)(hu)(hu)外(wai)場(chang)所(suo)宜(yi)加蓋(gai)板(ban)。3、除上述情(qing)況外(wai)，可根(gen)據(ju)現場(chang)還環(huan)(huan)境(jing)及(ji)(ji)(ji)技術要求選(xuan)用(yong)(yong)(yong)(yong)托盤式、槽式、梯(ti)(ti)級式、玻璃防腐(fu)阻(zu)燃電(dian)(dian)纜(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)或鋼質普(pu)通型橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)。在容易積灰和其它需(xu)遮(zhe)蓋(gai)的環(huan)(huan)境(jing)或戶(hu)(hu)(hu)外(wai)場(chang)所(suo)宜(yi)加蓋(gai)板(ban)。4、在公(gong)共通道(dao)或戶(hu)(hu)(hu)外(wai)跨(kua)越道(dao)路段，底(di)層梯(ti)(ti)級的底(di)部宜(yi)加墊板(ban)或在該(gai)段使(shi)用(yong)(yong)(yong)(yong)托盤。大(da)(da)跨(kua)距跨(kua)越公(gong)共通道(dao)時(shi)，可根(gen)據(ju)用(yong)(yong)(yong)(yong)戶(hu)(hu)(hu)要求提高(gao)橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)的載(zai)荷能力(li)或選(xuan)用(yong)(yong)(yong)(yong)行架(jia)(jia)(jia)(jia)。5、大(da)(da)跨(kua)距（>3m）要選(xuan)用(yong)(yong)(yong)(yong)復合(he)型橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)（FB）。6、戶(hu)(hu)(hu)外(wai)要選(xuan)用(yong)(yong)(yong)(yong)復合(he)環(huan)(huan)氧(yang)樹脂橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)（F）。三(san)民橋(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)，電(dian)(dian)線電(dian)(dian)纜(lan)(lan)的好品牌！

全(quan)(quan)國多個(ge)大(da)型(xing)重(zhong)(zhong)點(dian)(dian)工程項目指(zhi)定供應(ying)商，并與多家(jia)房地產(chan)(chan)公(gong)司和(he)電(dian)力(li)安裝(zhuang)單位建(jian)立長期緊(jin)密合(he)作關系(xi)。橋(qiao)(qiao)架(jia)(jia)產(chan)(chan)品有托盤式、槽式、梯級式鋼制及鋁合(he)金橋(qiao)(qiao)架(jia)(jia)系(xi)列，組合(he)式及玻璃鋼、防(fang)火橋(qiao)(qiao)架(jia)(jia)系(xi)列。公(gong)司自成立以來，順應(ying)經濟(ji)發(fa)展(zhan)的(de)(de)(de)(de)潮流，以滿足省、市重(zhong)(zhong)點(dian)(dian)建(jian)設工程服(fu)務(wu)需(xu)要為(wei)目標，堅持(chi)誠信立業(ye)，以市場為(wei)導向，竭誠為(wei)客戶提供好的(de)(de)(de)(de)產(chan)(chan)品和(he)滿意(yi)的(de)(de)(de)(de)服(fu)務(wu)。3)按(an)大(da)的(de)(de)(de)(de)電(dian)纜(lan)總均(jun)(jun)布荷(he)(he)(he)(he)載(zai)(zai)(zai)值來驗(yan)算(suan)(suan)(suan)(suan)橋(qiao)(qiao)架(jia)(jia)強度。驗(yan)算(suan)(suan)(suan)(suan)式如下：Q使用(yong)(yong)=q1+q2式中(zhong)：q1--電(dian)纜(lan)的(de)(de)(de)(de)均(jun)(jun)布荷(he)(he)(he)(he)載(zai)(zai)(zai)（各層的(de)(de)(de)(de)均(jun)(jun)布荷(he)(he)(he)(he)載(zai)(zai)(zai)中(zhong)取大(da)值）（kN/m2），均(jun)(jun)布荷(he)(he)(he)(he)載(zai)(zai)(zai)是托盤、梯架(jia)(jia)或電(dian)纜(lan)槽的(de)(de)(de)(de)荷(he)(he)(he)(he)載(zai)(zai)(zai)；q2--考慮(lv)電(dian)纜(lan)敷(fu)設或檢修時，人的(de)(de)(de)(de)重(zhong)(zhong)量(liang)等(deng)(deng)效的(de)(de)(de)(de)均(jun)(jun)布荷(he)(he)(he)(he)載(zai)(zai)(zai)（kN/m2）,q2值的(de)(de)(de)(de)計(ji)算(suan)(suan)(suan)(suan)，人的(de)(de)(de)(de)重(zhong)(zhong)量(liang)一般按(an)p=90kg計(ji)。表示集(ji)中(zhong)荷(he)(he)(he)(he)載(zai)(zai)(zai)和(he)均(jun)(jun)布荷(he)(he)(he)(he)載(zai)(zai)(zai)的(de)(de)(de)(de)彎(wan)(wan)距(ju)如圖2按(an)大(da)彎(wan)(wan)距(ju)相(xiang)等(deng)(deng)的(de)(de)(de)(de)條件(jian)折算(suan)(suan)(suan)(suan)：式中(zhong)：P--1人的(de)(de)(de)(de)荷(he)(he)(he)(he)載(zai)(zai)(zai)(kg)ι--1個(ge)支撐點(dian)(dian)間(jian)(jian)距(ju)(若支點(dian)(dian)間(jian)(jian)距(ju)不等(deng)(deng)時取大(da)值)(m)q2--1人的(de)(de)(de)(de)等(deng)(deng)效均(jun)(jun)布荷(he)(he)(he)(he)載(zai)(zai)(zai)(kg/m)根據上述初步確定的(de)(de)(de)(de)橋(qiao)(qiao)架(jia)(jia)型(xing)號、規(gui)格及支點(dian)(dian)間(jian)(jian)距(ju)，查(cha)閱生產(chan)(chan)廠家(jia)的(de)(de)(de)(de)樣(yang)本資料，反復(fu)核查(cha)間(jian)(jian)距(ju)和(he)橋(qiao)(qiao)架(jia)(jia)型(xing)號，直至滿足負荷(he)(he)(he)(he)要求為(wei)止。(4)撓(nao)(nao)度撓(nao)(nao)度值如何取定尚無明確的(de)(de)(de)(de)規(gui)定，在重(zhong)(zhong)負區顯然應(ying)考慮(lv)減小繞度，這意(yi)味著鋼材的(de)(de)(de)(de)用(yong)(yong)量(liang)會相(xiang)應(ying)增加(jia)，因此計(ji)算(suan)(suan)(suan)(suan)時只要充分利用(yong)(yong)鋼材的(de)(de)(de)(de)大(da)允(yun)許應(ying)力(li)，并保證有足夠的(de)(de)(de)(de)安全(quan)(quan)系(xi)數。噴涂線槽就找三民橋(qiao)(qiao)架(jia)(jia)。河源鍍鋅橋(qiao)(qiao)架(jia)(jia)彎(wan)(wan)頭

不銹鋼線槽就找三民橋架。云浮不銹鋼橋架公司(si)

綁扎間距(ju)(ju)不宜大于。(12)橋(qiao)架(jia)(jia)(jia)水平敷設(she)時,支撐間距(ju)(ju)一般為(wei)(wei)。(13)金屬(shu)線(xian)(xian)槽敷設(she)時,在(zai)下(xia)(xia)列情況(kuang)下(xia)(xia)設(she)直至(zhi)架(jia)(jia)(jia)或吊架(jia)(jia)(jia)：線(xian)(xian)槽接(jie)頭處；間距(ju)(ju)3m；離(li)開(kai)線(xian)(xian)槽兩端口；轉彎處。5、材(cai)(cai)料統(tong)計(1)橋(qiao)架(jia)(jia)(jia)：分別統(tong)計出(chu)(chu)(chu)各種(zhong)型號(hao)規格橋(qiao)架(jia)(jia)(jia)的(de)(de)全(quan)長(chang),除一該橋(qiao)架(jia)(jia)(jia)的(de)(de)標準長(chang)度,得出(chu)(chu)(chu)橋(qiao)架(jia)(jia)(jia)的(de)(de)數(shu)量(liang)(liang)外,再(zai)增(zeng)加(jia)1%－2%的(de)(de)余(yu)量(liang)(liang)。(2)立柱(zhu)：如(ru)采用統(tong)一規格的(de)(de)立柱(zhu),可用橋(qiao)架(jia)(jia)(jia)全(quan)長(chang)除以(yi)平均(jun)(jun)立柱(zhu)間距(ju)(ju),得出(chu)(chu)(chu)立柱(zhu)數(shu),再(zai)增(zeng)加(jia)2%～4%余(yu)量(liang)(liang)。如(ru)立柱(zhu)規格不一,則需分別統(tong)計。(3)托(tuo)臂(bei)：橋(qiao)架(jia)(jia)(jia)全(quan)長(chang)除以(yi)托(tuo)臂(bei)平均(jun)(jun)間距(ju)(ju),再(zai)增(zeng)加(jia)1%～2%余(yu)量(liang)(liang),極(ji)為(wei)(wei)總需量(liang)(liang)。(4)其(qi)它部件：按其(qi)主體數(shu)乘以(yi)一定比例(視總廠而定)求得其(qi)總數(shu)。[1]電(dian)纜橋(qiao)架(jia)(jia)(jia)選(xuan)購(gou)要(yao)(yao)點編輯1．電(dian)纜橋(qiao)架(jia)(jia)(jia)結(jie)(jie)構類(lei)(lei)型選(xuan)擇在(zai)工程(cheng)設(she)計文件中(zhong)通(tong)常(chang)籠統(tong)地將電(dian)纜橋(qiao)架(jia)(jia)(jia)稱呼為(wei)(wei)“橋(qiao)架(jia)(jia)(jia)”，并未指出(chu)(chu)(chu)具體的(de)(de)結(jie)(jie)構特征(zheng)(zheng)，不同類(lei)(lei)型、不同制作(zuo)材(cai)(cai)料的(de)(de)電(dian)纜橋(qiao)架(jia)(jia)(jia)價格相差較大，且結(jie)(jie)構類(lei)(lei)型的(de)(de)混(hun)亂會帶來工作(zuo)現(xian)場(chang)散熱(re)、機械防護方面的(de)(de)問題。故在(zai)設(she)計階段應要(yao)(yao)求設(she)計人(ren)員根(gen)據(ju)工程(cheng)環境特征(zheng)(zheng)和技術要(yao)(yao)求，合理(li)選(xuan)擇電(dian)纜橋(qiao)架(jia)(jia)(jia)的(de)(de)結(jie)(jie)構特征(zheng)(zheng)，并在(zai)平面圖的(de)(de)型號(hao)標注(zhu)和材(cai)(cai)料表(biao)中(zhong)進行清晰(xi)地表(biao)達。惠州市三民實(shi)業有(you)限(xian)公(gong)(gong)司，是(shi)一家集電(dian)纜橋(qiao)架(jia)(jia)(jia)、科研、生產、銷售、服(fu)務(wu)為(wei)(wei)一體的(de)(de)企業，公(gong)(gong)司兼(jian)營電(dian)線(xian)(xian)、電(dian)纜等建(jian)材(cai)(cai)相關產品。公(gong)(gong)司實(shi)力雄厚。云浮不銹鋼橋(qiao)架(jia)(jia)(jia)公(gong)(gong)司

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