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永川攀鋼白鐵批發

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永川攀鋼白鐵批發

2021-04-14
永川攀鋼白鐵批發

首先,在鋼結(jie)構樓層板(ban)(ban)中(zhong)要(yao)達到(dao)耐火(huo)1.5小時(shi),總(zong)的來(lai)說可(ke)以(yi)選擇(ze)開(kai)(kai)(kai)口(kou)板(ban)(ban)、縮口(kou)板(ban)(ban)、閉口(kou)板(ban)(ban)三大類。規范上混凝(ning)土(tu)要(yao)高于(yu)(yu)開(kai)(kai)(kai)口(kou)板(ban)(ban)肋頂(ding)之上80mm,并且(qie)板(ban)(ban)底需配(pei)置板(ban)(ban)底受力筋。還(huan)有一種就(jiu)是再開(kai)(kai)(kai)口(kou)板(ban)(ban)底部刷防火(huo)涂(tu)料,涂(tu)料厚度大于(yu)(yu)等于(yu)(yu)15,這(zhe)樣的話,只要(yao)達到(dao)構造要(yao)求(qiu)高于(yu)(yu)肋頂(ding)5公分就(jiu)可(ke)以(yi)了(le)。而(er)(er)縮口(kou)板(ban)(ban)和閉口(kou)板(ban)(ban),只需要(yao)總(zong)的樓板(ban)(ban)厚度大于(yu)(yu)等于(yu)(yu)110即可(ke),但(dan)是縮口(kou)板(ban)(ban)雖然在防火(huo)方面比開(kai)(kai)(kai)口(kou)板(ban)(ban)要(yao)好。但(dan)是底部還(huan)是需要(yao)加板(ban)(ban)底受力筋,而(er)(er)閉口(kou)板(ban)(ban)則不需要(yao)。

永川攀鋼白鐵批發

永川白鐵重慶樓承板的鍍鋅量沒有一個具體的標準,制作壓型鋼板的冷軋鋼卷須連續熱浸鍍鋅(或鍍鋁鋅),鍍(鋁)鋅量視設計要求而定。白鐵批發樓(lou)承(cheng)板用壓(ya)型(xing)鋼(gang)(gang)板宜(yi)選擇熱浸(jin)鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)鋼(gang)(gang)板。不允(yun)許使用電鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)鋼(gang)(gang)板,電鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)鋼(gang)(gang)板僅在(zai)(zai)基材表面形成保(bao)護層,防腐能(neng)力有(you)(you)限。目前市(shi)場上有(you)(you)鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)鋼(gang)(gang)板(鍍(du)(du)(du)(du)層含鋁5%或(huo)55%),在(zai)(zai)酸性(xing)(xing)(xing)環(huan)境下的(de)防腐效果由于(yu)熱浸(jin)鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)鋼(gang)(gang)板,但在(zai)(zai)混凝(ning)土(tu)的(de)堿性(xing)(xing)(xing)條件下,鍍(du)(du)(du)(du)鋁鋅(xin)(xin)(xin)(xin)(xin)的(de)防腐蝕性(xing)(xing)(xing)能(neng)低(di)于(yu)熱浸(jin)鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)鋼(gang)(gang)板,且(qie)鋁會和混凝(ning)土(tu)發生反應(ying),并降(jiang)低(di)混凝(ning)土(tu)與鋼(gang)(gang)板的(de)粘(zhan)結性(xing)(xing)(xing)能(neng)。因(yin)此參(can)考國(guo)外(wai)規(gui)范,及國(guo)內外(wai)工程,行家壓(ya)型(xing)鋼(gang)(gang)板不建議(yi)使用鍍(du)(du)(du)(du)鋁鋅(xin)(xin)(xin)(xin)(xin)鋼(gang)(gang)板。

永川攀鋼白鐵批發

鋼(gang)(gang)筋桁(heng)架(jia)樓承(cheng)板(ban)(ban)(ban)完成了(le)機械化(hua)出產(chan),有利(li)于鋼(gang)(gang)筋擺(bai)放距離均勻、混凝土(tu)(tu)保(bao)護層厚度(du)(du)共同(tong),提高了(le)樓板(ban)(ban)(ban)的(de)施工(gong)(gong)(gong)(gong)質量(liang)。裝(zhuang)配(pei)式鋼(gang)(gang)筋桁(heng)架(jia)樓承(cheng)板(ban)(ban)(ban)可明(ming)(ming)顯削減現(xian)場鋼(gang)(gang)筋綁扎工(gong)(gong)(gong)(gong)程(cheng)(cheng)量(liang),加速施工(gong)(gong)(gong)(gong)進度(du)(du),添加施工(gong)(gong)(gong)(gong)確(que)保(bao),完成文明(ming)(ming)施工(gong)(gong)(gong)(gong)。裝(zhuang)配(pei)式模(mo)板(ban)(ban)(ban)和(he)連接(jie)件(jian)拆裝(zhuang)便(bian)利(li),可屢次重復(fu)使(shi)用(yong)(yong),節省鋼(gang)(gang)材,契(qi)合國家節能環保(bao)的(de)要求。鋼(gang)(gang)構(gou)自主研制的(de)產(chan)品(pin)配(pei)套自動化(hua)出產(chan)設備(bei),大大提高了(le)勞(lao)動出產(chan)率,有用(yong)(yong)降低了(le)產(chan)品(pin)成本,并(bing)編制了(le)產(chan)品(pin)出產(chan)企業規范、規劃手冊和(he)節點構(gou)造圖集以(yi)及施工(gong)(gong)(gong)(gong)手冊。該產(chan)品(pin)經過(guo)浙江大學土(tu)(tu)木工(gong)(gong)(gong)(gong)程(cheng)(cheng)測試中(zhong)心檢測,并(bing)經過(guo)多項(xiang)工(gong)(gong)(gong)(gong)程(cheng)(cheng)使(shi)用(yong)(yong),各項(xiang)功能可以(yi)滿意(yi)現(xian)澆鋼(gang)(gang)筋混凝土(tu)(tu)樓板(ban)(ban)(ban)承(cheng)載力和(he)變形的(de)要求。

永川攀鋼白鐵批發

重(zhong)慶樓(lou)(lou)承(cheng)(cheng)板(ban)分(fen)兩種。一(yi)種是把(ba)樓(lou)(lou)承(cheng)(cheng)板(ban)當(dang)做(zuo)承(cheng)(cheng)受(shou)(shou)拉力(li)的(de)(de)鋼(gang)(gang)筋(jin)(jin)(jin)計(ji)算(suan)(suan)的(de)(de),另外一(yi)種是僅(jin)把(ba)樓(lou)(lou)承(cheng)(cheng)板(ban)作為(wei)模(mo)板(ban)計(ji)算(suan)(suan)而不(bu)參與受(shou)(shou)力(li)的(de)(de)。做(zuo)模(mo)板(ban)計(ji)算(suan)(suan)的(de)(de)比較簡單,直接按照(zhao)(zhao)跨(kua)度頂就行了(le)。2米(mi)(mi)以(yi)下選0.8的(de)(de),2-3米(mi)(mi)的(de)(de)選1.0的(de)(de)。樓(lou)(lou)承(cheng)(cheng)板(ban)作為(wei)受(shou)(shou)力(li)鋼(gang)(gang)筋(jin)(jin)(jin)計(ji)算(suan)(suan),就按照(zhao)(zhao)模(mo)板(ban)的(de)(de)選用樓(lou)(lou)承(cheng)(cheng)板(ban)(或者加厚且只能加厚),然后在計(ji)算(suan)(suan)配筋(jin)(jin)(jin)的(de)(de)時候(hou)可以(yi)按照(zhao)(zhao)面積減(jian)少鋼(gang)(gang)筋(jin)(jin)(jin)用量。樓(lou)(lou)承(cheng)(cheng)板(ban)不(bu)能單獨計(ji)算(suan)(suan)的(de)(de),它(ta)和整個(ge)樓(lou)(lou)板(ban)是一(yi)個(ge)體系的(de)(de)。

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