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南充攀華熱鍍鋅鋼管廠家

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南充攀華熱鍍鋅鋼管廠家

2021-03-26
南充攀華熱鍍鋅鋼管廠家

南充熱鍍鋅鋼管樓承板鋼結構柱網間距一般5~9.0m×8~15m,次梁間距3m,而樓承板下料長度為4.97~8.97m,運輸與安裝均較困難,尤其是帶由圓弧區垂直吊裝樓承板,由上而下在次梁狹間穿套比較困難,且打亂了次梁焊接正常工序。控制下料長度為3~6m,則可避免垂直運輸時在次梁間無法吊運的問題。 熱鍍鋅鋼管廠家樓承板(ban)吊(diao)運時(shi)采用(yong)專(zhuan)用(yong)軟吊(diao)索。每(mei)次吊(diao)裝時(shi)應(ying)(ying)檢查軟吊(diao)索是否有(you)撕裂(lie)、割斷現象(xiang)。樓承板(ban)擱置在鋼梁(liang)上時(shi)應(ying)(ying)防(fang)止探頭。鋪料時(shi)操作人員應(ying)(ying)系帶,并保證邊(bian)鋪設邊(bian)固定在周(zhou)邊(bian)繩上。 焊接(jie)采用(yong)熔透點焊連接(jie),施焊前應(ying)(ying)準備邊(bian)角(jiao)料引弧試焊,調整(zheng)施焊電流.因樓承板(ban)底部(bu)無水平(ping)模板(ban)及(ji)垂直(zhi)支撐,澆(jiao)筑混(hun)凝土時(shi)布料不宜太集中(zhong),采用(yong)平(ping)板(ban)振(zhen)搗器及(ji)時(shi)分攤振(zhen)搗。

南充攀華熱鍍鋅鋼管廠家

鋼筋桁架(jia)樓(lou)承(cheng)板(ban)完成(cheng)了機械化(hua)出(chu)(chu)產(chan)(chan)(chan),有利于鋼筋擺放距離均勻、混(hun)凝土保護層厚度(du)(du)共(gong)同,提高了樓(lou)板(ban)的施(shi)(shi)工質量。裝(zhuang)(zhuang)配式鋼筋桁架(jia)樓(lou)承(cheng)板(ban)可(ke)明顯(xian)削減(jian)現場鋼筋綁扎工程量,加速施(shi)(shi)工進度(du)(du),添(tian)加施(shi)(shi)工確(que)保,完成(cheng)文明施(shi)(shi)工。裝(zhuang)(zhuang)配式模板(ban)和(he)連接件拆裝(zhuang)(zhuang)便利,可(ke)屢(lv)次重復使用,節省鋼材,契合國家節能環保的要求。鋼構自(zi)主研(yan)制的產(chan)(chan)(chan)品(pin)配套自(zi)動化(hua)出(chu)(chu)產(chan)(chan)(chan)設備,大大提高了勞動出(chu)(chu)產(chan)(chan)(chan)率,有用降(jiang)低了產(chan)(chan)(chan)品(pin)成(cheng)本,并編制了產(chan)(chan)(chan)品(pin)出(chu)(chu)產(chan)(chan)(chan)企業規(gui)范、規(gui)劃手冊(ce)和(he)節點(dian)構造圖集以及施(shi)(shi)工手冊(ce)。該產(chan)(chan)(chan)品(pin)經(jing)(jing)過浙江(jiang)大學土木(mu)工程測試中(zhong)心檢測,并經(jing)(jing)過多(duo)項工程使用,各項功能可(ke)以滿意(yi)現澆鋼筋混(hun)凝土樓(lou)板(ban)承(cheng)載力和(he)變(bian)形的要求。

南充攀華熱鍍鋅鋼管廠家

鍍(du)鋅(xin)(xin)鋼(gang)(gang)(gang)板(ban)(ban)(ban)是為防(fang)止鋼(gang)(gang)(gang)板(ban)(ban)(ban)表面(mian)遭受腐蝕,延(yan)長其(qi)使(shi)用壽(shou)命,在鋼(gang)(gang)(gang)板(ban)(ban)(ban)表面(mian)涂以(yi)一層金(jin)屬鋅(xin)(xin),這(zhe)種(zhong)涂鋅(xin)(xin)的薄(bo)鋼(gang)(gang)(gang)板(ban)(ban)(ban)稱為鍍(du)鋅(xin)(xin)板(ban)(ban)(ban)。鋼(gang)(gang)(gang)板(ban)(ban)(ban)也是用熱(re)浸(jin)法制(zhi)造(zao),但在出(chu)槽(cao)后(hou),立即(ji)(ji)把(ba)(ba)它(ta)加(jia)熱(re)到500℃左(zuo)右,使(shi)其(qi)生(sheng)(sheng)成(cheng)鋅(xin)(xin)和鐵的合(he)(he)金(jin)被膜。這(zhe)種(zhong)鍍(du)鋅(xin)(xin)卷(juan)具有良好(hao)的涂料的密著性和焊接(jie)(jie)性。合(he)(he)金(jin)化鍍(du)鋅(xin)(xin)鋼(gang)(gang)(gang)板(ban)(ban)(ban)。這(zhe)種(zhong)鋼(gang)(gang)(gang)板(ban)(ban)(ban)也是用熱(re)浸(jin)法制(zhi)造(zao),但在出(chu)槽(cao)后(hou),立即(ji)(ji)把(ba)(ba)它(ta)加(jia)熱(re)到500℃左(zuo)右,使(shi)其(qi)生(sheng)(sheng)成(cheng)鋅(xin)(xin)和鐵的合(he)(he)金(jin)被膜。這(zhe)種(zhong)鍍(du)鋅(xin)(xin)板(ban)(ban)(ban)具有良好(hao)的涂料的密著性和焊接(jie)(jie)性。熱(re)浸(jin)鍍(du)鋅(xin)(xin)鋼(gang)(gang)(gang)板(ban)(ban)(ban)。將薄(bo)鋼(gang)(gang)(gang)板(ban)(ban)(ban)浸(jin)入熔解的鋅(xin)(xin)槽(cao)中(zhong),使(shi)其(qi)表面(mian)粘附(fu)一層鋅(xin)(xin)的薄(bo)鋼(gang)(gang)(gang)板(ban)(ban)(ban)。目前(qian)主要采用連續(xu)鍍(du)鋅(xin)(xin)工藝生(sheng)(sheng)產,即(ji)(ji)把(ba)(ba)成(cheng)卷(juan)的鋼(gang)(gang)(gang)板(ban)(ban)(ban)連續(xu)浸(jin)在熔解有鋅(xin)(xin)的鍍(du)槽(cao)中(zhong)制(zhi)成(cheng)鍍(du)鋅(xin)(xin)鋼(gang)(gang)(gang)板(ban)(ban)(ban)。合(he)(he)金(jin)、復(fu)合(he)(he)鍍(du)鋅(xin)(xin)鋼(gang)(gang)(gang)板(ban)(ban)(ban)。它(ta)是用鋅(xin)(xin)和其(qi)他金(jin)屬如(ru)鉛、鋅(xin)(xin)制(zhi)成(cheng)合(he)(he)金(jin)乃至復(fu)合(he)(he)鍍(du)成(cheng)的鋼(gang)(gang)(gang)板(ban)(ban)(ban)。這(zhe)種(zhong)鋼(gang)(gang)(gang)板(ban)(ban)(ban)既具有防(fang)銹性能,又有良好(hao)的涂裝性能。

南充攀華熱鍍鋅鋼管廠家

重慶樓承板(ban)(ban)的(de)(de)(de)鍍(du)(du)鋅(xin)(xin)(xin)(xin)量沒有(you)一個具體的(de)(de)(de)標準,制作壓(ya)型鋼(gang)(gang)(gang)(gang)板(ban)(ban)的(de)(de)(de)冷軋鋼(gang)(gang)(gang)(gang)卷須連續熱(re)(re)浸(jin)鍍(du)(du)鋅(xin)(xin)(xin)(xin)(或鍍(du)(du)鋁(lv)鋅(xin)(xin)(xin)(xin)),鍍(du)(du)(鋁(lv))鋅(xin)(xin)(xin)(xin)量視設(she)計要求而定。樓承板(ban)(ban)用(yong)壓(ya)型鋼(gang)(gang)(gang)(gang)板(ban)(ban)宜選(xuan)擇熱(re)(re)浸(jin)鍍(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)板(ban)(ban)。不允許使用(yong)電鍍(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)板(ban)(ban),電鍍(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)板(ban)(ban)僅(jin)在(zai)基材(cai)表面形(xing)成保(bao)護(hu)層,防(fang)腐能力有(you)限。目前市場上有(you)鍍(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)板(ban)(ban)(鍍(du)(du)層含鋁(lv)5%或55%),在(zai)酸性(xing)環(huan)境下(xia)的(de)(de)(de)防(fang)腐效(xiao)果由于熱(re)(re)浸(jin)鍍(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)板(ban)(ban),但在(zai)混凝(ning)土的(de)(de)(de)堿性(xing)條件下(xia),鍍(du)(du)鋁(lv)鋅(xin)(xin)(xin)(xin)的(de)(de)(de)防(fang)腐蝕性(xing)能低于熱(re)(re)浸(jin)鍍(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)板(ban)(ban),且鋁(lv)會和混凝(ning)土發生反(fan)應(ying),并降低混凝(ning)土與鋼(gang)(gang)(gang)(gang)板(ban)(ban)的(de)(de)(de)粘結性(xing)能。因此參考國外規范,及國內外工程(cheng),行家壓(ya)型鋼(gang)(gang)(gang)(gang)板(ban)(ban)不建議(yi)使用(yong)鍍(du)(du)鋁(lv)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)板(ban)(ban)。

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