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廣安攀鋼熱鍍鋅鋼管批發

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廣安攀鋼熱鍍鋅鋼管批發

2020-07-26
廣安攀鋼熱鍍鋅鋼管批發

重慶樓承(cheng)(cheng)板(ban)(ban)分兩種。一(yi)種是(shi)把樓承(cheng)(cheng)板(ban)(ban)當做承(cheng)(cheng)受(shou)(shou)拉力(li)的(de)鋼筋(jin)計(ji)算的(de),另外一(yi)種是(shi)僅把樓承(cheng)(cheng)板(ban)(ban)作為模板(ban)(ban)計(ji)算而不(bu)參與受(shou)(shou)力(li)的(de)。做模板(ban)(ban)計(ji)算的(de)比較簡(jian)單,直接按(an)照(zhao)跨度(du)頂就(jiu)行了。2米以下選(xuan)0.8的(de),2-3米的(de)選(xuan)1.0的(de)。樓承(cheng)(cheng)板(ban)(ban)作為受(shou)(shou)力(li)鋼筋(jin)計(ji)算,就(jiu)按(an)照(zhao)模板(ban)(ban)的(de)選(xuan)用樓承(cheng)(cheng)板(ban)(ban)(或者加厚且只能加厚),然后在計(ji)算配筋(jin)的(de)時候可(ke)以按(an)照(zhao)面積減少鋼筋(jin)用量。樓承(cheng)(cheng)板(ban)(ban)不(bu)能單獨計(ji)算的(de),它(ta)和整個樓板(ban)(ban)是(shi)一(yi)個體(ti)系的(de)。

廣安攀鋼熱鍍鋅鋼管批發

樓(lou)承(cheng)板(ban)(ban)鍍(du)(du)(du)鋅(xin)(xin)首要(yao)起(qi)到防腐的效果(guo),按(an)標準組(zu)合(he)(he)樓(lou)板(ban)(ban)與非組(zu)合(he)(he)樓(lou)板(ban)(ban)壓(ya)型鋼(gang)板(ban)(ban)應(ying)選(xuan)用(yong)熱(re)鍍(du)(du)(du)鋅(xin)(xin),不該選(xuan)用(yong)電鍍(du)(du)(du)鋅(xin)(xin)鋼(gang)板(ban)(ban),其雙面(mian)鍍(du)(du)(du)鋅(xin)(xin)層(ceng)總含(han)量(liang)(liang)(liang)要(yao)滿足在使(shi)用(yong)期(qi)間不致銹(xiu)損的要(yao)求。當(dang)作(zuo)為非組(zu)合(he)(he)樓(lou)承(cheng)板(ban)(ban)時(shi)(shi)(shi),鍍(du)(du)(du)鋅(xin)(xin)層(ceng)含(han)量(liang)(liang)(liang)可選(xuan)用(yong)較(jiao)(jiao)低值(zhi);當(dang)為組(zu)合(he)(he)樓(lou)承(cheng)板(ban)(ban)時(shi)(shi)(shi),鍍(du)(du)(du)鋅(xin)(xin)層(ceng)含(han)量(liang)(liang)(liang)不該小(xiao)于(yu)(yu)150g/m2。當(dang)為組(zu)合(he)(he)樓(lou)板(ban)(ban)且使(shi)用(yong)環境條件(jian)(jian)較(jiao)(jiao)為惡劣時(shi)(shi)(shi),鍍(du)(du)(du)鋅(xin)(xin)層(ceng)含(han)量(liang)(liang)(liang)應(ying)選(xuan)用(yong)上限值(zhi)或更高(gao)值(zhi)。更高(gao)的鍍(du)(du)(du)鋅(xin)(xin)要(yao)求,如(ru)雙面(mian)鍍(du)(du)(du)鋅(xin)(xin)量(liang)(liang)(liang)為300g/m2、350g/m2或鍍(du)(du)(du)鋁鋅(xin)(xin)(5%鋁)275g/m2、300g/m2等,較(jiao)(jiao)高(gao)的鍍(du)(du)(du)層(ceng)量(liang)(liang)(liang)使(shi)組(zu)合(he)(he)樓(lou)板(ban)(ban)有更長耐久(jiu)性,同等量(liang)(liang)(liang)的鍍(du)(du)(du)鋁鋅(xin)(xin)的防銹(xiu)蝕才能大約兩倍于(yu)(yu)一般(ban)熱(re)鍍(du)(du)(du)鋅(xin)(xin)。鍍(du)(du)(du)鋅(xin)(xin)量(liang)(liang)(liang)也不是越(yue)厚越(yue)好(hao),當(dang)鍍(du)(du)(du)鋅(xin)(xin)量(liang)(liang)(liang)較(jiao)(jiao)厚時(shi)(shi)(shi),抗(kang)剪連接件(jian)(jian)栓釘的焊(han)接質量(liang)(liang)(liang)就很難保證,焊(han)接時(shi)(shi)(shi),宜選(xuan)用(yong)局(ju)部(bu)除鋅(xin)(xin)處理措施(shi)。

廣安攀鋼熱鍍鋅鋼管批發

要(yao)看整個樓(lou)板(ban)(ban)(ban)的(de)厚度(du)來(lai)考慮挑選是(shi)(shi)用(yong)75波(bo)(bo)(bo)高(gao)(gao)系(xi)列(lie)(lie)的(de)仍是(shi)(shi)51波(bo)(bo)(bo)高(gao)(gao)系(xi)列(lie)(lie)的(de),沉默有(you)40系(xi)列(lie)(lie),46系(xi)列(lie)(lie),60系(xi)列(lie)(lie),65波(bo)(bo)(bo)高(gao)(gao)系(xi)列(lie)(lie)。一般來(lai)說波(bo)(bo)(bo)高(gao)(gao)越(yue)低(di),承(cheng)載力(li)就(jiu)越(yue)低(di),然(ran)后就(jiu)是(shi)(shi)波(bo)(bo)(bo)峰距離越(yue)大,承(cheng)載力(li)就(jiu)越(yue)小,假如整個樓(lou)板(ban)(ban)(ban)厚度(du)在(zai)10公分(fen)以(yi)內(nei),好(hao)選用(yong)選用(yong)波(bo)(bo)(bo)高(gao)(gao)40系(xi)列(lie)(lie),整個樓(lou)板(ban)(ban)(ban)厚度(du)在(zai)10-13公分(fen)以(yi)內(nei),好(hao)選用(yong)50波(bo)(bo)(bo)高(gao)(gao)系(xi)列(lie)(lie),在(zai)13公分(fen)以(yi)上,好(hao)選用(yong)75系(xi)列(lie)(lie)。有(you)些人會問(wen),為什么呀?其(qi)實《我國(guo)鋼(gang)筋(jin)(jin)混凝(ning)土修建規范》里(li)有(you)個要(yao)求,鋼(gang)筋(jin)(jin)上面的(de)混泥土保護(hu)層(ceng)(ceng)不能低(di)于(yu)2.5cm,就(jiu)是(shi)(shi)說樓(lou)承(cheng)板(ban)(ban)(ban)自身的(de)波(bo)(bo)(bo)高(gao)(gao)+鋼(gang)筋(jin)(jin)網(wang)的(de)厚度(du)(一般2cm)+2.5cm的(de)保護(hu)層(ceng)(ceng)≤樓(lou)板(ban)(ban)(ban)的(de)厚度(du)。

廣安攀鋼熱鍍鋅鋼管批發

攀鋼熱鍍鋅鋼管堆積樓承板的地坪應基本平坦,鋼筋桁架樓承板堆積不宜過高,每堆不超越60張。廣安熱鍍鋅鋼管批發樓(lou)承板(ban)運至(zhi)(zhi)現場,需(xu)妥善保護,不得(de)有任何損壞和(he)(he)污染(ran),特別不得(de)感染(ran)油污。樓(lou)承板(ban)應(ying)(ying)根據排版(ban)圖預先切開、編號。起吊(diao)(diao)(diao)前,每捆要有兩條鋼(gang)絲繩,分別捆于兩頭(tou)四分之(zhi)一鋼(gang)板(ban)長度(du)處,采(cai)用專(zhuan)用吊(diao)(diao)(diao)具吊(diao)(diao)(diao)起。應(ying)(ying)先行試吊(diao)(diao)(diao),檢查重(zhong)心是否穩定(ding),鋼(gang)索是否會滑動,待牢靠(kao),無慮時(shi)(shi)方可吊(diao)(diao)(diao)起。起吊(diao)(diao)(diao)時(shi)(shi),應(ying)(ying)從下(xia)往上樓(lou)層(ceng)次序(xu)吊(diao)(diao)(diao)料為原(yuan)則,避免因先行吊(diao)(diao)(diao)放上層(ceng)資料后(hou),阻(zu)止下(xia)面樓(lou)層(ceng)的吊(diao)(diao)(diao)放作(zuo)業(ye)。整疊(die)樓(lou)承板(ban)放梁面時(shi)(shi),應(ying)(ying)考慮梁的承載能力(li),避免因集中載荷過大,造成梁的變形(xing)。樓(lou)承板(ban)吊(diao)(diao)(diao)至(zhi)(zhi)樓(lou)層(ceng),暫時(shi)(shi)不鋪設(she)時(shi)(shi),應(ying)(ying)作(zuo)牢靠(kao)固定(ding),避免飛落和(he)(he)滑落傷人。

廣安攀鋼熱鍍鋅鋼管批發

鍍(du)(du)(du)鋅(xin)鋼板按用(yong)途又(you)可(ke)分為(wei)一(yi)般用(yong)、屋頂用(yong)、建筑外側板用(yong)、結構用(yong)、瓦壟板用(yong)、拉(la)伸用(yong)和(he)深(shen)沖用(yong)等鍍(du)(du)(du)鋅(xin)鋼板。熱(re)鍍(du)(du)(du)鋅(xin)板主要(yao)應用(yong)于建筑外用(yong),建筑內用(yong),民用(yong),門窗(chuang),家(jia)具,機(ji)械,電(dian)(dian)子及家(jia)用(yong)電(dian)(dian)器等領域。也有機(ji)箱(xiang)用(yong)這個,不(bu)(bu)過(guo)熱(re)鍍(du)(du)(du)鋅(xin)板不(bu)(bu)放輻射的(de)。空調,冰箱(xiang),微波(bo)爐(lu)及其類似家(jia)電(dian)(dian)背面(mian)的(de)那個板就是(shi)熱(re)鍍(du)(du)(du)鋅(xin)板。鍍(du)(du)(du)鋅(xin)層通過(guo)鈍化處(chu)理(li),可(ke)減少潮溫貯運條件下產(chan)(chan)生(sheng)折(zhe)銹蝕(shi)(白銹) 。但這種化學處(chu)理(li)的(de)防腐蝕(shi)性能是(shi)有限的(de),而且,妨礙大多數涂料的(de)附著性。這種處(chu)理(li)一(yi)般不(bu)(bu)用(yong)在(zai)鋅(xin)鐵合金鍍(du)(du)(du)層,除光整(zheng)表面(mian)外,作為(wei)常規,生(sheng)產(chan)(chan)廠對其他類型(xing)的(de)鍍(du)(du)(du)鋅(xin)層均進(jin)行鈍化處(chu)理(li)。

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