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鍍(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)板(ban)(ban)為基(ji)板(ban)(ban)的(de)彩涂(tu)(tu)(tu)鋼(gang)(gang)板(ban)(ban),除有鋅(xin)(xin)(xin)(xin)保護(hu)外,鋅(xin)(xin)(xin)(xin)層(ceng)(ceng)(ceng)上(shang)的(de)有機涂(tu)(tu)(tu)層(ceng)(ceng)(ceng)起了覆蓋隔離作用,可(ke)防(fang)止鋼(gang)(gang)板(ban)(ban)生銹,使用壽命(ming)比(bi)鍍(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)板(ban)(ban)更(geng)長,據介(jie)紹涂(tu)(tu)(tu)層(ceng)(ceng)(ceng)鋼(gang)(gang)板(ban)(ban)的(de)使用壽命(ming)比(bi)鍍(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)板(ban)(ban)長50%。在(zai)連續機組上(shang)以(yi)(yi)冷(leng)(leng)軋帶鋼(gang)(gang),鍍(du)鋅(xin)(xin)(xin)(xin)帶鋼(gang)(gang)(電(dian)鍍(du)鋅(xin)(xin)(xin)(xin)和熱鍍(du)鋅(xin)(xin)(xin)(xin))為基(ji)板(ban)(ban),經過表面(mian)預處理(li)(脫脂(zhi)和化學處理(li)),用輥涂(tu)(tu)(tu)的(de)方法,涂(tu)(tu)(tu)上(shang)一層(ceng)(ceng)(ceng)或(huo)多層(ceng)(ceng)(ceng)液態涂(tu)(tu)(tu)料,經過烘烤和冷(leng)(leng)卻所得的(de)板(ban)(ban)材(cai)即為涂(tu)(tu)(tu)層(ceng)(ceng)(ceng)鋼(gang)(gang)板(ban)(ban)。由于涂(tu)(tu)(tu)層(ceng)(ceng)(ceng)可(ke)以(yi)(yi)有各種不同的(de)顏色,習慣(guan)上(shang)把涂(tu)(tu)(tu)層(ceng)(ceng)(ceng)鋼(gang)(gang)板(ban)(ban)叫(jiao)做(zuo)彩色涂(tu)(tu)(tu)層(ceng)(ceng)(ceng)鋼(gang)(gang)板(ban)(ban)。又由于涂(tu)(tu)(tu)層(ceng)(ceng)(ceng)是在(zai)鋼(gang)(gang)板(ban)(ban)成型(xing)加工之前(qian)進行的(de),在(zai)國(guo)外這(zhe)叫(jiao)做(zuo)預涂(tu)(tu)(tu)層(ceng)(ceng)(ceng)鋼(gang)(gang)板(ban)(ban)。
樓承(cheng)(cheng)板(ban)鋼結構柱網間(jian)(jian)距(ju)一般5~9.0m×8~15m,次梁間(jian)(jian)距(ju)3m,而(er)樓承(cheng)(cheng)板(ban)下料(liao)長(chang)度為4.97~8.97m,運(yun)輸與安裝均較困難,尤(you)其是帶由圓弧(hu)區垂(chui)直(zhi)吊(diao)裝樓承(cheng)(cheng)板(ban),由上而(er)下在(zai)(zai)(zai)次梁狹(xia)間(jian)(jian)穿套比較困難,且打(da)亂了次梁焊接(jie)正常工序。控制下料(liao)長(chang)度為3~6m,則可避免垂(chui)直(zhi)運(yun)輸時(shi)在(zai)(zai)(zai)次梁間(jian)(jian)無法吊(diao)運(yun)的問(wen)題(ti)。 樓承(cheng)(cheng)板(ban)吊(diao)運(yun)時(shi)采用(yong)專用(yong)軟(ruan)吊(diao)索。每(mei)次吊(diao)裝時(shi)應(ying)檢查軟(ruan)吊(diao)索是否有撕裂、割(ge)斷現象。樓承(cheng)(cheng)板(ban)擱置(zhi)在(zai)(zai)(zai)鋼梁上時(shi)應(ying)防(fang)止探(tan)頭。鋪料(liao)時(shi)操作人員(yuan)應(ying)系帶,并(bing)保證邊鋪設邊固定在(zai)(zai)(zai)周邊繩上。 焊接(jie)采用(yong)熔(rong)透點焊連接(jie),施焊前應(ying)準備邊角料(liao)引弧(hu)試焊,調整施焊電流.因樓承(cheng)(cheng)板(ban)底部無水平模板(ban)及(ji)垂(chui)直(zhi)支撐(cheng),澆筑(zhu)混凝土時(shi)布料(liao)不(bu)宜太集中,采用(yong)平板(ban)振搗器(qi)及(ji)時(shi)分攤振搗。
鍍(du)鋅板開平的(de)(de)(de)整個(ge)生(sheng)產來說(shuo)它(ta)首先就是(shi)(shi)(shi)要(yao)(yao)達到(dao)很(hen)(hen)(hen)高的(de)(de)(de)工(gong)(gong)藝,但(dan)是(shi)(shi)(shi)如果要(yao)(yao)讓(rang)(rang)它(ta)在(zai)自(zi)(zi)(zi)己(ji)(ji)(ji)的(de)(de)(de)工(gong)(gong)藝性(xing)上(shang)(shang)面(mian)(mian)(mian)(mian)達到(dao)很(hen)(hen)(hen)高的(de)(de)(de)表現,也(ye)是(shi)(shi)(shi)要(yao)(yao)讓(rang)(rang)它(ta)達到(dao)很(hen)(hen)(hen)高的(de)(de)(de)要(yao)(yao)求(qiu)的(de)(de)(de),那么(me)它(ta)在(zai)自(zi)(zi)(zi)己(ji)(ji)(ji)工(gong)(gong)藝性(xing)上(shang)(shang)面(mian)(mian)(mian)(mian)都是(shi)(shi)(shi)要(yao)(yao)達到(dao)什么(me)樣的(de)(de)(de)要(yao)(yao)求(qiu)呢?首先一個(ge)方面(mian)(mian)(mian)(mian),就是(shi)(shi)(shi)它(ta)在(zai)自(zi)(zi)(zi)己(ji)(ji)(ji)的(de)(de)(de)生(sheng)產上(shang)(shang)面(mian)(mian)(mian)(mian)要(yao)(yao)讓(rang)(rang)自(zi)(zi)(zi)己(ji)(ji)(ji)有(you)很(hen)(hen)(hen)高的(de)(de)(de)技術(shu),如果是(shi)(shi)(shi)一個(ge)廠(chang)家(jia)(jia),他們沒有(you)很(hen)(hen)(hen)高的(de)(de)(de)技術(shu),那么(me)他們是(shi)(shi)(shi)不能讓(rang)(rang)自(zi)(zi)(zi)己(ji)(ji)(ji)的(de)(de)(de)工(gong)(gong)藝性(xing)有(you)很(hen)(hen)(hen)好(hao)的(de)(de)(de)表現的(de)(de)(de)。鍍(du)鋅板開平的(de)(de)(de)整個(ge)設備上(shang)(shang)面(mian)(mian)(mian)(mian)也(ye)是(shi)(shi)(shi)很(hen)(hen)(hen)重要(yao)(yao)的(de)(de)(de),現在(zai)也(ye)有(you)一些(xie)廠(chang)家(jia)(jia),他們因為(wei)自(zi)(zi)(zi)己(ji)(ji)(ji)沒有(you)很(hen)(hen)(hen)好(hao)的(de)(de)(de)實力,所以自(zi)(zi)(zi)然就會讓(rang)(rang)它(ta)在(zai)自(zi)(zi)(zi)己(ji)(ji)(ji)的(de)(de)(de)設備上(shang)(shang)面(mian)(mian)(mian)(mian)的(de)(de)(de)下降,如果是(shi)(shi)(shi)一些(xie)大廠(chang)家(jia)(jia)來說(shuo),他們在(zai)自(zi)(zi)(zi)己(ji)(ji)(ji)的(de)(de)(de)整個(ge)工(gong)(gong)作(zuo)中,都是(shi)(shi)(shi)能使用(yong)到(dao)電腦上(shang)(shang)面(mian)(mian)(mian)(mian)的(de)(de)(de)控制,但(dan)是(shi)(shi)(shi)對于(yu)有(you)些(xie)廠(chang)家(jia)(jia)來說(shuo),他們還在(zai)使用(yong)一些(xie)落后的(de)(de)(de)設備,這樣自(zi)(zi)(zi)然就會讓(rang)(rang)它(ta)在(zai)工(gong)(gong)藝性(xing)上(shang)(shang)面(mian)(mian)(mian)(mian)下降,所以這一點也(ye)是(shi)(shi)(shi)它(ta)在(zai)自(zi)(zi)(zi)己(ji)(ji)(ji)工(gong)(gong)藝性(xing)上(shang)(shang)面(mian)(mian)(mian)(mian)的(de)(de)(de)一些(xie)條件。
重慶樓承板由于(yu)(yu)在(zai)高(gao)層建筑(zhu)和(he)大跨度(du)高(gao)聳(song)結(jie)構(gou)方面(mian)的(de)(de)(de)優(you)越性,使其在(zai)非(fei)居住建筑(zhu)領域(yu)得(de)到了(le)(le)廣泛的(de)(de)(de)應(ying)用(yong)。用(yong)環保鋼筋(jin)桁架(jia)樓承板建筑(zhu)的(de)(de)(de)房子比傳統(tong)房屋的(de)(de)(de)重量(liang)要輕(qing)一倍,運用(yong)面(mian)積(ji)也進步百分之(zhi)五(wu)左右,這個就(jiu)是(shi)(shi)它一大優(you)點(dian)自重輕(qing)強度(du)高(gao)。依據不完整的(de)(de)(de)統(tong)計,我國(guo)在(zai)發作(zuo)地(di)震時鋼筋(jin)桁架(jia)樓承板建筑(zhu)的(de)(de)(de)倒塌幾率簡直是(shi)(shi)零,所以(yi)它的(de)(de)(de)抗震性能好也是(shi)(shi)它的(de)(de)(de)優(you)點(dian)之(zhi)一,由于(yu)(yu)鋼筋(jin)桁架(jia)樓承板建筑(zhu)的(de)(de)(de)一些構(gou)件、墻板等有(you)關的(de)(de)(de)建材都是(shi)(shi)在(zai)工廠里(li)完成的(de)(de)(de),所以(yi)就(jiu)減少了(le)(le)現場施工的(de)(de)(de)工作(zuo)量(liang),縮短了(le)(le)施工的(de)(de)(de)工作(zuo)時間(jian),很契(qi)合產業化(hua)的(de)(de)(de)請求(qiu),這個是(shi)(shi)它的(de)(de)(de)優(you)勢,第三個就(jiu)是(shi)(shi)它的(de)(de)(de)可(ke)回收(shou)應(ying)用(yong)了(le)(le),它能夠隨意的(de)(de)(de)撤除和(he)建造,關于(yu)(yu)環境不形成污染,還節約了(le)(le)資源。
堆(dui)積樓承(cheng)(cheng)板(ban)(ban)(ban)的(de)地坪應基本平坦,鋼(gang)筋(jin)桁架樓承(cheng)(cheng)板(ban)(ban)(ban)堆(dui)積不宜過高,每堆(dui)不超越60張。樓承(cheng)(cheng)板(ban)(ban)(ban)運(yun)至現場(chang),需妥善保護(hu),不得(de)有任(ren)何(he)損壞和污染,特別不得(de)感染油污。樓承(cheng)(cheng)板(ban)(ban)(ban)應根據排版圖預(yu)先(xian)切開、編(bian)號。起吊(diao)(diao)(diao)前,每捆(kun)要有兩(liang)條鋼(gang)絲(si)繩,分別捆(kun)于兩(liang)頭四分之(zhi)一鋼(gang)板(ban)(ban)(ban)長度處,采用專用吊(diao)(diao)(diao)具(ju)吊(diao)(diao)(diao)起。應先(xian)行試吊(diao)(diao)(diao),檢(jian)查(cha)重心是否穩定,鋼(gang)索是否會滑動,待牢靠,無慮時(shi)方可吊(diao)(diao)(diao)起。起吊(diao)(diao)(diao)時(shi),應從下(xia)(xia)往(wang)上樓層(ceng)次(ci)序吊(diao)(diao)(diao)料為原則,避免(mian)因先(xian)行吊(diao)(diao)(diao)放(fang)上層(ceng)資料后,阻止下(xia)(xia)面(mian)樓層(ceng)的(de)吊(diao)(diao)(diao)放(fang)作業。整疊樓承(cheng)(cheng)板(ban)(ban)(ban)放(fang)梁(liang)面(mian)時(shi),應考慮梁(liang)的(de)承(cheng)(cheng)載能力,避免(mian)因集中載荷過大,造(zao)成梁(liang)的(de)變形(xing)。樓承(cheng)(cheng)板(ban)(ban)(ban)吊(diao)(diao)(diao)至樓層(ceng),暫時(shi)不鋪(pu)設時(shi),應作牢靠固定,避免(mian)飛落(luo)和滑落(luo)傷(shang)人。
鍍鋅角鋼價格熱鍍鋅板和電鍍鋅板在鍍鋅量上有很大的差別,就像山東彩涂卷)。熱鍍鋅的鍍鋅量不可能太小,一般較小為雙面50~60g/m2,較大可達600g/m2。寶山鍍鋅角鋼電(dian)(dian)鍍(du)(du)(du)鋅板(ban)的(de)鍍(du)(du)(du)鋅層可(ke)以很(hen)薄,較小達15g/m2,但(dan)要求鍍(du)(du)(du)層較厚的(de)話則生產線(xian)速度很(hen)慢,不適應現代化機(ji)組的(de)工藝(yi)特點(dian),一般較大(da)為lO0g/m2左右。正因為如此,電(dian)(dian)鍍(du)(du)(du)鋅板(ban)的(de)生產受到很(hen)大(da)的(de)限制。工一般電(dian)(dian)鍍(du)(du)(du)鋅比(bi)較多,適用(yong)于小部(bu)件;熱鍍(du)(du)(du)鋅一般用(yong)于電(dian)(dian)力(li)設備(bei)和構件,適用(yong)于大(da)的(de)部(bu)件和設備(bei)。當然他們的(de)價格也(ye)相對便宜一些。建設部(bu)已正式下(xia)文,淘汰技(ji)術落后的(de)冷(leng)鍍(du)(du)(du)鋅管,不準(zhun)用(yong)冷(leng)鍍(du)(du)(du)鋅管作水、煤氣管。