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要看整個樓(lou)(lou)板(ban)的厚(hou)度來考慮挑選(xuan)(xuan)是(shi)(shi)用(yong)75波(bo)高(gao)(gao)系(xi)(xi)列的仍是(shi)(shi)51波(bo)高(gao)(gao)系(xi)(xi)列的,沉默(mo)有(you)(you)40系(xi)(xi)列,46系(xi)(xi)列,60系(xi)(xi)列,65波(bo)高(gao)(gao)系(xi)(xi)列。一般(ban)(ban)來說波(bo)高(gao)(gao)越(yue)低,承載力就(jiu)越(yue)低,然后就(jiu)是(shi)(shi)波(bo)峰距離越(yue)大,承載力就(jiu)越(yue)小,假(jia)如整個樓(lou)(lou)板(ban)厚(hou)度在(zai)10公(gong)(gong)分(fen)以內(nei),好(hao)(hao)(hao)選(xuan)(xuan)用(yong)選(xuan)(xuan)用(yong)波(bo)高(gao)(gao)40系(xi)(xi)列,整個樓(lou)(lou)板(ban)厚(hou)度在(zai)10-13公(gong)(gong)分(fen)以內(nei),好(hao)(hao)(hao)選(xuan)(xuan)用(yong)50波(bo)高(gao)(gao)系(xi)(xi)列,在(zai)13公(gong)(gong)分(fen)以上,好(hao)(hao)(hao)選(xuan)(xuan)用(yong)75系(xi)(xi)列。有(you)(you)些(xie)人會問,為什么呀(ya)?其實《我國鋼(gang)筋混凝土修建(jian)規范(fan)》里有(you)(you)個要求(qiu),鋼(gang)筋上面的混泥土保護層不能低于2.5cm,就(jiu)是(shi)(shi)說樓(lou)(lou)承板(ban)自身的波(bo)高(gao)(gao)+鋼(gang)筋網的厚(hou)度(一般(ban)(ban)2cm)+2.5cm的保護層≤樓(lou)(lou)板(ban)的厚(hou)度。
廣東鍍鋅鋼板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。 鍍鋅鋼板批發樓(lou)承(cheng)(cheng)板(ban)(ban)(ban)吊(diao)(diao)運時(shi)采用專(zhuan)用軟(ruan)吊(diao)(diao)索(suo)。每次吊(diao)(diao)裝時(shi)應(ying)檢查軟(ruan)吊(diao)(diao)索(suo)是否有撕裂、割斷現(xian)象。樓(lou)承(cheng)(cheng)板(ban)(ban)(ban)擱置在(zai)鋼梁上時(shi)應(ying)防止探頭。鋪料(liao)時(shi)操作人員(yuan)應(ying)系帶,并保(bao)證邊鋪設邊固定在(zai)周邊繩上。 焊(han)接(jie)采用熔透(tou)點焊(han)連接(jie),施(shi)焊(han)前應(ying)準(zhun)備(bei)邊角料(liao)引弧試(shi)焊(han),調(diao)整施(shi)焊(han)電流.因樓(lou)承(cheng)(cheng)板(ban)(ban)(ban)底部無水平模板(ban)(ban)(ban)及垂直(zhi)支撐,澆筑混凝土時(shi)布料(liao)不宜太集(ji)中,采用平板(ban)(ban)(ban)振(zhen)搗器及時(shi)分攤振(zhen)搗。
鍍(du)(du)(du)鋅(xin)(xin)(xin)方(fang)管(guan)是(shi)(shi)一種(zhong)具(ju)以熱軋或(huo)冷(leng)軋鍍(du)(du)(du)鋅(xin)(xin)(xin)帶鋼(gang)或(huo)鍍(du)(du)(du)鋅(xin)(xin)(xin)卷板為(wei)坯料(liao)經(jing)冷(leng)彎曲加工(gong)成(cheng)型后再經(jing)高(gao)頻焊接(jie)制成(cheng)的(de)(de)(de)(de)(de)方(fang)形(xing)(xing)截面(mian)(mian)形(xing)(xing)狀尺寸的(de)(de)(de)(de)(de)空心(xin)方(fang)形(xing)(xing)的(de)(de)(de)(de)(de)截面(mian)(mian)型鋼(gang)鋼(gang)管(guan);鍍(du)(du)(du)鋅(xin)(xin)(xin)卷或(huo)將事先做好的(de)(de)(de)(de)(de)冷(leng)彎空心(xin)型鋼(gang)管(guan)再經(jing)熱浸鍍(du)(du)(du)鋅(xin)(xin)(xin)加工(gong)而成(cheng)的(de)(de)(de)(de)(de)鍍(du)(du)(du)鋅(xin)(xin)(xin)方(fang)矩管(guan)。鍍(du)(du)(du)鋅(xin)(xin)(xin)量(liang)是(shi)(shi)表示鍍(du)(du)(du)鋅(xin)(xin)(xin)板鋅(xin)(xin)(xin)層厚度的(de)(de)(de)(de)(de)一個普(pu)遍采用的(de)(de)(de)(de)(de)有(you)(you)效方(fang)法。鍍(du)(du)(du)鋅(xin)(xin)(xin)量(liang)的(de)(de)(de)(de)(de)單(dan)位為(wei)g/m2。鍍(du)(du)(du)鋅(xin)(xin)(xin)層通過(guo)鈍(dun)化(hua)處(chu)理(li),可減少潮溫(wen)貯(zhu)運條件下產生(sheng)折(zhe)銹蝕(白(bai)銹) 。但(dan)這種(zhong)化(hua)學處(chu)理(li)的(de)(de)(de)(de)(de)防腐蝕性(xing)能是(shi)(shi)有(you)(you)限的(de)(de)(de)(de)(de),而且,妨(fang)礙(ai)大多數(shu)涂料(liao)的(de)(de)(de)(de)(de)附著性(xing)。這種(zhong)處(chu)理(li)一般不(bu)用在鋅(xin)(xin)(xin)鐵合金鍍(du)(du)(du)層,除光整表面(mian)(mian)外,作為(wei)常規,生(sheng)產廠對其他類型的(de)(de)(de)(de)(de)鍍(du)(du)(du)鋅(xin)(xin)(xin)層均進行鈍(dun)化(hua)處(chu)理(li)。
我國(guo)建(jian)(jian)筑(zhu)業中(zhong),噪聲污染(ran)問題(ti)久(jiu)為人們所詬病。輕(qing)型樓承(cheng)板(ban)的(de)應用使得土建(jian)(jian)建(jian)(jian)筑(zhu)物局面被打破(po),集(ji)環境破(po)壞及污染(ran)少、材(cai)料回(hui)收(shou)和(he)利(li)用率高(gao)、符合可持續發展要求等眾多(duo)優(you)點(dian)于一身的(de)樓承(cheng)板(ban)建(jian)(jian)筑(zhu)應運而生,逐步被人們所接受。輕(qing)型樓承(cheng)板(ban)是近十年來發展較快的(de)領域,在采用輕(qing)型樓承(cheng)板(ban)占(zhan)非(fei)住宅建(jian)(jian)筑(zhu)投資的(de)50%以(yi)上。這種結構工(gong)業化、商品化程度高(gao),施工(gong)快,綜合效益高(gao),市場需求量(liang)很(hen)大,已引起結構設計人員認(ren)識(shi)。樓承(cheng)板(ban)的(de)研(yan)究開發已在各地試點(dian),是輕(qing)鋼發展的(de)一個重要方向,目前已經有(you)多(duo)種的(de)低層(ceng)、多(duo)層(ceng)和(he)高(gao)層(ceng)的(de)設計方案和(he)實(shi)例。
樓(lou)(lou)承板(ban)(ban)(ban)鋼(gang)(gang)(gang)筋(jin)桁(heng)(heng)(heng)架(jia)(jia)(jia)是(shi)將(jiang)(jiang)樓(lou)(lou)板(ban)(ban)(ban)中(zhong)的(de)(de)(de)鋼(gang)(gang)(gang)筋(jin)在工(gong)(gong)(gong)(gong)廠采用(yong)(yong)(yong)進口(kou)設(she)備加工(gong)(gong)(gong)(gong)成(cheng)鋼(gang)(gang)(gang)筋(jin)桁(heng)(heng)(heng)架(jia)(jia)(jia),并(bing)將(jiang)(jiang)鋼(gang)(gang)(gang)筋(jin)桁(heng)(heng)(heng)架(jia)(jia)(jia)與(yu)鍍鋅(xin)鋼(gang)(gang)(gang)板(ban)(ban)(ban)在工(gong)(gong)(gong)(gong)廠焊(han)接(jie)成(cheng)一(yi)體的(de)(de)(de)組合模(mo)板(ban)(ban)(ban),使(shi)(shi)其(qi)在施(shi)工(gong)(gong)(gong)(gong)階段可(ke)作為(wei)(wei)鋼(gang)(gang)(gang)梁的(de)(de)(de)側向支撐使(shi)(shi)用(yong)(yong)(yong)!樓(lou)(lou)板(ban)(ban)(ban)連接(jie)采用(yong)(yong)(yong)扣合方(fang)式,板(ban)(ban)(ban)與(yu)板(ban)(ban)(ban)之間(jian)的(de)(de)(de)拉鉤連接(jie)應(ying)緊密,保證澆筑(zhu)(zhu)混凝土時不(bu)漏漿,同時注(zhu)(zhu)意(yi)排(pai)板(ban)(ban)(ban)方(fang)向要(yao)一(yi)致,桁(heng)(heng)(heng)架(jia)(jia)(jia)節點間(jian)距為(wei)(wei)200㎜,注(zhu)(zhu)意(yi)不(bu)同模(mo)板(ban)(ban)(ban)的(de)(de)(de)橫向節點要(yao)對齊。我(wo)們仔細觀察的(de)(de)(de)話會(hui)(hui)發現很(hen)多高(gao)層建(jian)筑(zhu)(zhu)上都(dou)會(hui)(hui)設(she)置(zhi)鋼(gang)(gang)(gang)筋(jin)桁(heng)(heng)(heng)架(jia)(jia)(jia)樓(lou)(lou)承板(ban)(ban)(ban),我(wo)們雖然經(jing)常用(yong)(yong)(yong)到該(gai)樓(lou)(lou)承板(ban)(ban)(ban),但很(hen)少(shao)有(you)人知道(dao)這種(zhong)板(ban)(ban)(ban)材(cai)為(wei)(wei)什么會(hui)(hui)用(yong)(yong)(yong)于高(gao)層建(jian)筑(zhu)(zhu)中(zhong)。下面小編將(jiang)(jiang)為(wei)(wei)您介紹(shao)一(yi)下該(gai)板(ban)(ban)(ban)材(cai)在高(gao)層建(jian)筑(zhu)(zhu)中(zhong)的(de)(de)(de)使(shi)(shi)用(yong)(yong)(yong)優(you)勢!鋼(gang)(gang)(gang)筋(jin)樓(lou)(lou)承板(ban)(ban)(ban)的(de)(de)(de)搭(da)接(jie)是(shi)有(you)著嚴格的(de)(de)(de)施(shi)工(gong)(gong)(gong)(gong)要(yao)求(qiu)(qiu)的(de)(de)(de),為(wei)(wei)保障(zhang)樓(lou)(lou)承板(ban)(ban)(ban)安(an)裝牢固,該(gai)板(ban)(ban)(ban)材(cai)的(de)(de)(de)搭(da)接(jie)需(xu)(xu)要(yao)按照說明書(shu)正確進行,搭(da)接(jie)過(guo)程中(zhong)還需(xu)(xu)要(yao)注(zhu)(zhu)意(yi),沿順(shun)肋(lei)(lei)方(fang)向,壓型鋼(gang)(gang)(gang)板(ban)(ban)(ban)如果可(ke)以(yi)滿足(zu)正截面承載(zai)(zai)(zai)力(li)及(ji)剪(jian)切(qie)粘(zhan)(zhan)結(jie)承載(zai)(zai)(zai)力(li)的(de)(de)(de)要(yao)求(qiu)(qiu),可(ke)以(yi)不(bu)用(yong)(yong)(yong)配(pei)順(shun)肋(lei)(lei)方(fang)向的(de)(de)(de)鋼(gang)(gang)(gang)筋(jin),這時候要(yao)注(zhu)(zhu)意(yi)計(ji)算(suan)剪(jian)切(qie)粘(zhan)(zhan)結(jie)承載(zai)(zai)(zai)力(li)。
鍍鋅(xin)鋼(gang)(gang)板(ban)(ban)是為防(fang)止鋼(gang)(gang)板(ban)(ban)表(biao)面(mian)遭受腐蝕,延(yan)長(chang)其使用壽命,在鋼(gang)(gang)板(ban)(ban)表(biao)面(mian)涂(tu)以一層金屬鋅(xin),這種涂(tu)鋅(xin)的(de)(de)(de)薄鋼(gang)(gang)板(ban)(ban)稱為鍍鋅(xin)板(ban)(ban)。按生(sheng)(sheng)產(chan)及加工(gong)方法可分為以下(xia)幾類:熱浸鍍鋅(xin)鋼(gang)(gang)板(ban)(ban)。將薄鋼(gang)(gang)板(ban)(ban)浸入熔(rong) 微商(shang)貨源(yuan)解的(de)(de)(de)鋅(xin)槽(cao)中(zhong),使其表(biao)面(mian)粘附(fu)一層鋅(xin)的(de)(de)(de)薄鋼(gang)(gang)板(ban)(ban)。目前主要采用連續(xu)鍍鋅(xin)工(gong)藝(yi)生(sheng)(sheng)產(chan),即(ji)把成卷(juan)的(de)(de)(de)鋼(gang)(gang)板(ban)(ban)連續(xu)浸在熔(rong)解有鋅(xin)的(de)(de)(de)鍍槽(cao)中(zhong)制成鍍鋅(xin)鋼(gang)(gang)板(ban)(ban);合金化鍍鋅(xin)鋼(gang)(gang)板(ban)(ban)。這種鋼(gang)(gang)板(ban)(ban)也是用熱浸法制造(zao),但(dan)在出槽(cao)后,立(li)即(ji)把它加熱到500℃左右,使其生(sheng)(sheng)成鋅(xin)和鐵的(de)(de)(de)合金被膜。這種鍍鋅(xin)板(ban)(ban)具有良(liang)好(hao)的(de)(de)(de)涂(tu)料的(de)(de)(de)密著性和焊(han)接性。