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彭州攀華鍍鋅角鋼批發

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彭州攀華鍍鋅角鋼批發

2020-09-11
彭州攀華鍍鋅角鋼批發

樓(lou)(lou)(lou)承(cheng)(cheng)板(ban)(ban)(ban)適應主體鋼(gang)(gang)結(jie)構(gou)快速(su)施(shi)工的要求,能夠(gou)在短(duan)時間(jian)內提(ti)(ti)供堅(jian)定的作業平臺,并可采用(yong)多個樓(lou)(lou)(lou)層鋪設(she)壓型(xing)鋼(gang)(gang)板(ban)(ban)(ban),分(fen)層澆(jiao)筑混凝(ning)土板(ban)(ban)(ban)的流水施(shi)工。在使用(yong)階段樓(lou)(lou)(lou)承(cheng)(cheng)板(ban)(ban)(ban)作為混凝(ning)土樓(lou)(lou)(lou)板(ban)(ban)(ban)的受拉鋼(gang)(gang)筋(jin),也提(ti)(ti)高了(le)樓(lou)(lou)(lou)板(ban)(ban)(ban)的剛度(du),節省了(le)鋼(gang)(gang)筋(jin)和(he)混凝(ning)土的用(yong)量。樓(lou)(lou)(lou)承(cheng)(cheng)板(ban)(ban)(ban)上(shang)面(mian)可以(yi)鋪設(she)保溫,隔音(yin),隔熱,隔振等材(cai)料。樓(lou)(lou)(lou)面(mian)性能充分(fen)發揮鋼(gang)(gang)的良(liang)好(hao)的抗(kang)拉強(qiang)度(du)和(he)延(yan)性及(ji)混凝(ning)土優良(liang)的抗(kang)壓強(qiang)度(du)和(he)較大(da)的剛度(du)。壓型(xing)板(ban)(ban)(ban)表(biao)面(mian)壓紋使樓(lou)(lou)(lou)承(cheng)(cheng)板(ban)(ban)(ban)與混凝(ning)土之間(jian)產生大(da)的結(jie)合力,使二者形(xing)成(cheng)整(zheng)體,配以(yi)加勁肋,使樓(lou)(lou)(lou)承(cheng)(cheng)板(ban)(ban)(ban)系統具有(you)高強(qiang)承(cheng)(cheng)載力。在懸(xuan)(xuan)臂條(tiao)件下,樓(lou)(lou)(lou)承(cheng)(cheng)板(ban)(ban)(ban)僅作為性模(mo)板(ban)(ban)(ban)。懸(xuan)(xuan)挑的長(chang)度(du)可根(gen)據樓(lou)(lou)(lou)承(cheng)(cheng)板(ban)(ban)(ban)的截(jie)面(mian)特性來定。為了(le)防(fang)止(zhi)懸(xuan)(xuan)挑板(ban)(ban)(ban)的開裂,需(xu)在支座處依結(jie)構(gou)工程師的設(she)計配上(shang)負(fu)筋(jin)。

彭州攀華鍍鋅角鋼批發

堆積(ji)樓(lou)(lou)(lou)(lou)(lou)承(cheng)板的(de)(de)地(di)坪(ping)應(ying)基(ji)本平坦,鋼筋桁架樓(lou)(lou)(lou)(lou)(lou)承(cheng)板堆積(ji)不(bu)宜(yi)過(guo)高(gao),每堆不(bu)超越60張(zhang)。樓(lou)(lou)(lou)(lou)(lou)承(cheng)板運(yun)至現場,需妥善保護(hu),不(bu)得有(you)任何損壞和污染(ran),特別(bie)(bie)不(bu)得感染(ran)油污。樓(lou)(lou)(lou)(lou)(lou)承(cheng)板應(ying)根據排(pai)版圖預先切開(kai)、編號。起吊(diao)(diao)前,每捆(kun)要有(you)兩條鋼絲繩,分(fen)別(bie)(bie)捆(kun)于(yu)兩頭(tou)四分(fen)之一鋼板長度處,采用專用吊(diao)(diao)具(ju)吊(diao)(diao)起。應(ying)先行試吊(diao)(diao),檢查重心是(shi)否(fou)穩(wen)定,鋼索是(shi)否(fou)會滑(hua)動,待牢靠,無慮(lv)時方可吊(diao)(diao)起。起吊(diao)(diao)時,應(ying)從下往上樓(lou)(lou)(lou)(lou)(lou)層(ceng)次序吊(diao)(diao)料為原則(ze),避免因(yin)先行吊(diao)(diao)放(fang)上層(ceng)資料后,阻止下面樓(lou)(lou)(lou)(lou)(lou)層(ceng)的(de)(de)吊(diao)(diao)放(fang)作(zuo)業。整(zheng)疊樓(lou)(lou)(lou)(lou)(lou)承(cheng)板放(fang)梁面時,應(ying)考慮(lv)梁的(de)(de)承(cheng)載(zai)能力,避免因(yin)集中載(zai)荷過(guo)大,造成梁的(de)(de)變形。樓(lou)(lou)(lou)(lou)(lou)承(cheng)板吊(diao)(diao)至樓(lou)(lou)(lou)(lou)(lou)層(ceng),暫時不(bu)鋪設時,應(ying)作(zuo)牢靠固定,避免飛落和滑(hua)落傷(shang)人。

彭州攀華鍍鋅角鋼批發

彭州鍍鋅角鋼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。 鍍鋅角鋼批發樓承(cheng)板(ban)(ban)吊(diao)(diao)運(yun)時采(cai)(cai)用(yong)專用(yong)軟吊(diao)(diao)索。每次吊(diao)(diao)裝時應(ying)檢查軟吊(diao)(diao)索是否有撕裂(lie)、割斷現象。樓承(cheng)板(ban)(ban)擱置(zhi)在鋼梁上(shang)時應(ying)防止探頭。鋪料時操(cao)作(zuo)人員應(ying)系(xi)帶,并保證邊鋪設邊固定在周邊繩上(shang)。 焊接采(cai)(cai)用(yong)熔透(tou)點焊連(lian)接,施焊前應(ying)準(zhun)備邊角(jiao)料引弧試焊,調整施焊電流(liu).因樓承(cheng)板(ban)(ban)底部無水平(ping)模板(ban)(ban)及垂(chui)直支撐,澆筑混凝土時布(bu)料不宜(yi)太集中,采(cai)(cai)用(yong)平(ping)板(ban)(ban)振搗器及時分(fen)攤(tan)振搗。

彭州攀華鍍鋅角鋼批發

重慶樓承(cheng)板(ban)(ban)(ban)分兩種。一(yi)種是把樓承(cheng)板(ban)(ban)(ban)當(dang)做(zuo)承(cheng)受拉(la)力的(de)鋼筋計(ji)(ji)算(suan)(suan)的(de),另外一(yi)種是僅(jin)把樓承(cheng)板(ban)(ban)(ban)作為模(mo)板(ban)(ban)(ban)計(ji)(ji)算(suan)(suan)而不(bu)參與受力的(de)。做(zuo)模(mo)板(ban)(ban)(ban)計(ji)(ji)算(suan)(suan)的(de)比較簡單,直(zhi)接按照(zhao)(zhao)跨度(du)頂就行(xing)了(le)。2米以(yi)下(xia)選(xuan)0.8的(de),2-3米的(de)選(xuan)1.0的(de)。樓承(cheng)板(ban)(ban)(ban)作為受力鋼筋計(ji)(ji)算(suan)(suan),就按照(zhao)(zhao)模(mo)板(ban)(ban)(ban)的(de)選(xuan)用樓承(cheng)板(ban)(ban)(ban)(或者加厚且只能加厚),然后在計(ji)(ji)算(suan)(suan)配筋的(de)時候可以(yi)按照(zhao)(zhao)面(mian)積減少(shao)鋼筋用量。樓承(cheng)板(ban)(ban)(ban)不(bu)能單獨計(ji)(ji)算(suan)(suan)的(de),它和(he)整個(ge)樓板(ban)(ban)(ban)是一(yi)個(ge)體系的(de)。

彭州攀華鍍鋅角鋼批發

鍍(du)(du)(du)鋅(xin)鋼(gang)板(ban)的表(biao)面鍍(du)(du)(du)鋅(xin)主要(yao)采用(yong)的方(fang)法是熱(re)鍍(du)(du)(du)鋅(xin)。熱(re)鍍(du)(du)(du)鋅(xin)是由較古老的熱(re)鍍(du)(du)(du)方(fang)法發(fa)展(zhan)而(er)來(lai)的,自從1836年法國把(ba)熱(re)鍍(du)(du)(du)鋅(xin)應用(yong)于工業以來(lai),已經有(you)一百七十年的歷史(shi)了(le)。然(ran)而(er),熱(re)鍍(du)(du)(du)鋅(xin)工業是近三十年來(lai)伴隨冷(leng)軋帶鋼(gang)的飛速發(fa)展(zhan)而(er)得(de)到(dao)了(le)大規模(mo)發(fa)展(zhan)。鍍(du)(du)(du)鋅(xin)溶(rong)液(ye)有(you)氰(qing)(qing)化(hua)物鍍(du)(du)(du)液(ye)和無(wu)氰(qing)(qing)鍍(du)(du)(du)液(ye)兩類。氰(qing)(qing)化(hua)物鍍(du)(du)(du)液(ye)中分微(wei)氰(qing)(qing)、低氰(qing)(qing)、中氰(qing)(qing)、和高氰(qing)(qing)幾(ji)類。無(wu)氰(qing)(qing)鍍(du)(du)(du)液(ye)有(you)堿性鋅(xin)酸鹽(yan)鍍(du)(du)(du)液(ye)、銨(an)鹽(yan)鍍(du)(du)(du)液(ye)、硫酸鹽(yan)鍍(du)(du)(du)液(ye)及無(wu)氨(an)氯化(hua)物鍍(du)(du)(du)液(ye)等。氰(qing)(qing)化(hua)鍍(du)(du)(du)鋅(xin)溶(rong)液(ye)均鍍(du)(du)(du)能力好(hao),得(de)到(dao)的鍍(du)(du)(du)層光滑細致,在生(sheng)產中被長期(qi)采用(yong)。但由于氰(qing)(qing)化(hua)物劇毒,對環境污染嚴重(zhong),近年來(lai)已趨向于采用(yong)低氰(qing)(qing)、微(wei)氰(qing)(qing)、無(wu)氰(qing)(qing)鍍(du)(du)(du)鋅(xin)溶(rong)液(ye)。

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