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上海攀鋼熱鍍鋅鋼管批發

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上海攀鋼熱鍍鋅鋼管批發

2020-09-24
上海攀鋼熱鍍鋅鋼管批發

堆(dui)積(ji)樓(lou)(lou)(lou)承板的地坪應(ying)基本平坦,鋼(gang)筋桁架樓(lou)(lou)(lou)承板堆(dui)積(ji)不宜過高,每堆(dui)不超越60張。樓(lou)(lou)(lou)承板運至現場,需妥善(shan)保護,不得(de)有(you)任何損壞和污染,特別(bie)不得(de)感(gan)染油污。樓(lou)(lou)(lou)承板應(ying)根據排版圖(tu)預(yu)先切開、編號。起(qi)吊(diao)(diao)前,每捆(kun)要(yao)有(you)兩條鋼(gang)絲(si)繩,分別(bie)捆(kun)于(yu)兩頭四分之一鋼(gang)板長度處,采用(yong)專用(yong)吊(diao)(diao)具吊(diao)(diao)起(qi)。應(ying)先行試(shi)吊(diao)(diao),檢(jian)查重心是否穩定(ding),鋼(gang)索是否會滑(hua)動,待(dai)牢靠(kao),無慮時(shi)方可吊(diao)(diao)起(qi)。起(qi)吊(diao)(diao)時(shi),應(ying)從下往上(shang)樓(lou)(lou)(lou)層(ceng)(ceng)次序吊(diao)(diao)料(liao)為原則,避免因先行吊(diao)(diao)放(fang)上(shang)層(ceng)(ceng)資料(liao)后,阻(zu)止下面樓(lou)(lou)(lou)層(ceng)(ceng)的吊(diao)(diao)放(fang)作(zuo)業。整疊樓(lou)(lou)(lou)承板放(fang)梁面時(shi),應(ying)考慮梁的承載能力,避免因集中載荷過大,造成(cheng)梁的變形。樓(lou)(lou)(lou)承板吊(diao)(diao)至樓(lou)(lou)(lou)層(ceng)(ceng),暫時(shi)不鋪設時(shi),應(ying)作(zuo)牢靠(kao)固定(ding),避免飛落和滑(hua)落傷人。

上海攀鋼熱鍍鋅鋼管批發

我國(guo)建(jian)筑(zhu)業(ye)中,噪聲污染問題(ti)久(jiu)為人(ren)(ren)們所詬病。輕(qing)型(xing)樓(lou)承(cheng)(cheng)板(ban)的(de)應(ying)(ying)用(yong)使得土建(jian)建(jian)筑(zhu)物(wu)局面被打(da)破,集環境破壞及污染少、材料回收和利用(yong)率高(gao)、符(fu)合(he)(he)可持續發(fa)展(zhan)要(yao)求(qiu)等眾多(duo)(duo)優點于一身的(de)樓(lou)承(cheng)(cheng)板(ban)建(jian)筑(zhu)應(ying)(ying)運而生(sheng),逐(zhu)步(bu)被人(ren)(ren)們所接受。輕(qing)型(xing)樓(lou)承(cheng)(cheng)板(ban)是(shi)近十年(nian)來發(fa)展(zhan)較(jiao)快(kuai)的(de)領(ling)域,在(zai)采用(yong)輕(qing)型(xing)樓(lou)承(cheng)(cheng)板(ban)占(zhan)非住宅建(jian)筑(zhu)投資的(de)50%以上(shang)。這(zhe)種(zhong)結構工業(ye)化、商品化程度高(gao),施工快(kuai),綜合(he)(he)效益高(gao),市場需(xu)求(qiu)量很大,已(yi)(yi)引(yin)起結構設計人(ren)(ren)員認(ren)識(shi)。樓(lou)承(cheng)(cheng)板(ban)的(de)研究開發(fa)已(yi)(yi)在(zai)各(ge)地試點,是(shi)輕(qing)鋼發(fa)展(zhan)的(de)一個重要(yao)方向,目前已(yi)(yi)經有多(duo)(duo)種(zhong)的(de)低層(ceng)、多(duo)(duo)層(ceng)和高(gao)層(ceng)的(de)設計方案和實例。

上海攀鋼熱鍍鋅鋼管批發

熱鍍鋅鋼管批發樓承板組合板是一種十分合理的結構方式,它能夠按其各組成部件所處的方位和特色,充分發揮鋼材抗拉和混凝土抗壓功能好的長處,并具有杰出的抗震功能、施工功能。這種結構現在被廣泛運用于國內外修建中,但在國內大都將樓承板當作模板運用,而沒有充分發揮樓承板的效果。上海熱鍍鋅鋼管 與(yu)一般(ban)鋼筋混(hun)凝土(tu)樓(lou)板(ban)(ban)比較,樓(lou)承板(ban)(ban)組合樓(lou)板(ban)(ban)具備以下(xia)長處:樓(lou)承板(ban)(ban)能(neng)夠作(zuo)為現澆混(hun)凝土(tu)的模(mo)板(ban)(ban)。這樣就(jiu)省掉了(le)施(shi)工中裝置和撤(che)除模(mo)板(ban)(ban)等工序,然后(hou)節約(yue)了(le)時刻和勞動力(li);當樓(lou)承板(ban)(ban)裝置好(hao)今后(hou)將能(neng)夠作(zuo)為施(shi)工平(ping)臺運用。

上海攀鋼熱鍍鋅鋼管批發

要(yao)看整(zheng)個樓(lou)板(ban)(ban)(ban)的(de)厚度(du)來(lai)考慮挑選(xuan)(xuan)是用75波(bo)高(gao)系(xi)(xi)(xi)列(lie)(lie)(lie)的(de)仍是51波(bo)高(gao)系(xi)(xi)(xi)列(lie)(lie)(lie)的(de),沉默有(you)40系(xi)(xi)(xi)列(lie)(lie)(lie),46系(xi)(xi)(xi)列(lie)(lie)(lie),60系(xi)(xi)(xi)列(lie)(lie)(lie),65波(bo)高(gao)系(xi)(xi)(xi)列(lie)(lie)(lie)。一(yi)般(ban)來(lai)說波(bo)高(gao)越(yue)(yue)低,承載(zai)力就越(yue)(yue)低,然后(hou)就是波(bo)峰(feng)距離越(yue)(yue)大,承載(zai)力就越(yue)(yue)小,假如整(zheng)個樓(lou)板(ban)(ban)(ban)厚度(du)在(zai)10公(gong)分(fen)以內,好(hao)選(xuan)(xuan)用選(xuan)(xuan)用波(bo)高(gao)40系(xi)(xi)(xi)列(lie)(lie)(lie),整(zheng)個樓(lou)板(ban)(ban)(ban)厚度(du)在(zai)10-13公(gong)分(fen)以內,好(hao)選(xuan)(xuan)用50波(bo)高(gao)系(xi)(xi)(xi)列(lie)(lie)(lie),在(zai)13公(gong)分(fen)以上(shang),好(hao)選(xuan)(xuan)用75系(xi)(xi)(xi)列(lie)(lie)(lie)。有(you)些人會問,為什么呀?其實《我國鋼(gang)筋(jin)混凝土修建規范》里有(you)個要(yao)求,鋼(gang)筋(jin)上(shang)面的(de)混泥土保護層(ceng)不(bu)能低于2.5cm,就是說樓(lou)承板(ban)(ban)(ban)自身的(de)波(bo)高(gao)+鋼(gang)筋(jin)網的(de)厚度(du)(一(yi)般(ban)2cm)+2.5cm的(de)保護層(ceng)≤樓(lou)板(ban)(ban)(ban)的(de)厚度(du)。

上海攀鋼熱鍍鋅鋼管批發

樓(lou)承(cheng)板(ban)(ban)鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)首要(yao)起到防腐的(de)(de)(de)效果,按(an)標準組(zu)(zu)合樓(lou)板(ban)(ban)與非組(zu)(zu)合樓(lou)板(ban)(ban)壓型鋼板(ban)(ban)應(ying)選用(yong)熱鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin),不該選用(yong)電鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)鋼板(ban)(ban),其(qi)雙(shuang)面鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)層總含量(liang)(liang)要(yao)滿足在(zai)使(shi)(shi)用(yong)期間不致銹(xiu)損的(de)(de)(de)要(yao)求。當作為非組(zu)(zu)合樓(lou)承(cheng)板(ban)(ban)時(shi),鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)層含量(liang)(liang)可選用(yong)較(jiao)(jiao)低值(zhi);當為組(zu)(zu)合樓(lou)承(cheng)板(ban)(ban)時(shi),鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)層含量(liang)(liang)不該小于150g/m2。當為組(zu)(zu)合樓(lou)板(ban)(ban)且使(shi)(shi)用(yong)環境條件較(jiao)(jiao)為惡劣時(shi),鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)層含量(liang)(liang)應(ying)選用(yong)上(shang)限值(zhi)或更高值(zhi)。更高的(de)(de)(de)鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)要(yao)求,如雙(shuang)面鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)量(liang)(liang)為300g/m2、350g/m2或鍍(du)(du)(du)鋁鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)(5%鋁)275g/m2、300g/m2等,較(jiao)(jiao)高的(de)(de)(de)鍍(du)(du)(du)層量(liang)(liang)使(shi)(shi)組(zu)(zu)合樓(lou)板(ban)(ban)有更長耐久性,同(tong)等量(liang)(liang)的(de)(de)(de)鍍(du)(du)(du)鋁鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)的(de)(de)(de)防銹(xiu)蝕才能大約兩倍于一般(ban)熱鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)。鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)量(liang)(liang)也不是越(yue)厚(hou)越(yue)好,當鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)量(liang)(liang)較(jiao)(jiao)厚(hou)時(shi),抗剪(jian)連接件栓釘的(de)(de)(de)焊接質量(liang)(liang)就(jiu)很難保證(zheng),焊接時(shi),宜選用(yong)局部除鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)處理措施。

上海攀鋼熱鍍鋅鋼管批發

樓(lou)(lou)承(cheng)(cheng)(cheng)板(ban)(ban)(ban)(ban)適(shi)應主體(ti)鋼結構快速施工(gong)的(de)要(yao)求,能(neng)夠在(zai)短時間內提供堅定的(de)作(zuo)業平(ping)臺(tai),并可(ke)采用多個樓(lou)(lou)層鋪(pu)(pu)設壓型(xing)鋼板(ban)(ban)(ban)(ban),分(fen)層澆筑(zhu)混凝(ning)(ning)土板(ban)(ban)(ban)(ban)的(de)流水(shui)施工(gong)。在(zai)使(shi)(shi)用階段樓(lou)(lou)承(cheng)(cheng)(cheng)板(ban)(ban)(ban)(ban)作(zuo)為混凝(ning)(ning)土樓(lou)(lou)板(ban)(ban)(ban)(ban)的(de)受拉鋼筋,也提高了(le)樓(lou)(lou)板(ban)(ban)(ban)(ban)的(de)剛度(du),節省(sheng)了(le)鋼筋和混凝(ning)(ning)土的(de)用量。樓(lou)(lou)承(cheng)(cheng)(cheng)板(ban)(ban)(ban)(ban)上(shang)面可(ke)以(yi)鋪(pu)(pu)設保溫,隔(ge)音,隔(ge)熱(re),隔(ge)振等材料。樓(lou)(lou)面性(xing)能(neng)充分(fen)發(fa)揮鋼的(de)良好(hao)的(de)抗(kang)拉強度(du)和延性(xing)及混凝(ning)(ning)土優良的(de)抗(kang)壓強度(du)和較大(da)(da)的(de)剛度(du)。壓型(xing)板(ban)(ban)(ban)(ban)表面壓紋使(shi)(shi)樓(lou)(lou)承(cheng)(cheng)(cheng)板(ban)(ban)(ban)(ban)與混凝(ning)(ning)土之間產生大(da)(da)的(de)結合(he)力,使(shi)(shi)二者形成整體(ti),配(pei)以(yi)加勁肋(lei),使(shi)(shi)樓(lou)(lou)承(cheng)(cheng)(cheng)板(ban)(ban)(ban)(ban)系(xi)統具有高強承(cheng)(cheng)(cheng)載力。在(zai)懸(xuan)臂條件下(xia),樓(lou)(lou)承(cheng)(cheng)(cheng)板(ban)(ban)(ban)(ban)僅作(zuo)為性(xing)模板(ban)(ban)(ban)(ban)。懸(xuan)挑的(de)長度(du)可(ke)根據樓(lou)(lou)承(cheng)(cheng)(cheng)板(ban)(ban)(ban)(ban)的(de)截面特性(xing)來(lai)定。為了(le)防止懸(xuan)挑板(ban)(ban)(ban)(ban)的(de)開裂,需在(zai)支座處(chu)依(yi)結構工(gong)程(cheng)師的(de)設計配(pei)上(shang)負(fu)筋。

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