樓(lou)(lou)承(cheng)板(ban)鋼結構柱網間(jian)距一般(ban)5~9.0m×8~15m，次(ci)梁(liang)(liang)間(jian)距3m，而樓(lou)(lou)承(cheng)板(ban)下料長(chang)度為(wei)4.97~8.97m，運(yun)輸與安裝均較困難，尤其是帶由(you)(you)圓(yuan)弧(hu)區垂(chui)直吊(diao)(diao)裝樓(lou)(lou)承(cheng)板(ban)，由(you)(you)上而下在(zai)次(ci)梁(liang)(liang)狹間(jian)穿套比較困難，且(qie)打亂(luan)了次(ci)梁(liang)(liang)焊(han)(han)接正常工序。控制下料長(chang)度為(wei)3～6m，則可避(bi)免(mian)垂(chui)直運(yun)輸時(shi)(shi)(shi)在(zai)次(ci)梁(liang)(liang)間(jian)無(wu)法吊(diao)(diao)運(yun)的問題。 樓(lou)(lou)承(cheng)板(ban)吊(diao)(diao)運(yun)時(shi)(shi)(shi)采用(yong)專(zhuan)用(yong)軟吊(diao)(diao)索(suo)。每(mei)次(ci)吊(diao)(diao)裝時(shi)(shi)(shi)應(ying)(ying)檢查軟吊(diao)(diao)索(suo)是否有撕裂、割斷(duan)現象。樓(lou)(lou)承(cheng)板(ban)擱置在(zai)鋼梁(liang)(liang)上時(shi)(shi)(shi)應(ying)(ying)防(fang)止探頭。鋪料時(shi)(shi)(shi)操(cao)作人員(yuan)應(ying)(ying)系帶，并保證邊(bian)鋪設邊(bian)固定在(zai)周邊(bian)繩上。 焊(han)(han)接采用(yong)熔透點(dian)焊(han)(han)連接，施焊(han)(han)前(qian)應(ying)(ying)準(zhun)備邊(bian)角(jiao)料引弧(hu)試焊(han)(han)，調整施焊(han)(han)電流.因(yin)樓(lou)(lou)承(cheng)板(ban)底部無(wu)水平模板(ban)及(ji)垂(chui)直支(zhi)撐，澆筑混(hun)凝(ning)土時(shi)(shi)(shi)布(bu)料不宜(yi)太集中，采用(yong)平板(ban)振搗器及(ji)時(shi)(shi)(shi)分攤振搗。

鍍鋅管批發熱浸鍍鋅鋼板將薄鋼板浸入熔解的鋅槽中，使其表面粘附一層鋅的薄鋼板。目前主要采用連續鍍鋅工藝生產，即把成卷的鋼板連續浸在熔解有鋅的鍍槽中制成鍍鋅鋼板;合金化鍍鋅鋼板。閬中攀華鍍鋅管這(zhe)種(zhong)鋼(gang)(gang)板(ban)也(ye)是用熱浸法(fa)制(zhi)造，但(dan)在(zai)出(chu)槽后(hou)，立即把它加熱到500 ℃左右，使其生成鋅(xin)(xin)(xin)和鐵(tie)的(de)合金被膜。這(zhe)種(zhong)鍍(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)板(ban)具(ju)有(you)(you)良(liang)好的(de)涂料的(de)密著性和焊(han)接(jie)(jie)性;電鍍(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)板(ban)。用電鍍(du)(du)(du)(du)(du)(du)法(fa)制(zhi)造這(zhe)種(zhong)鍍(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)板(ban)具(ju)有(you)(you)良(liang)好的(de)加工(gong)性。但(dan)鍍(du)(du)(du)(du)(du)(du)層較薄，耐腐蝕(shi)性不如熱浸法(fa)鍍(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)板(ban);單面(mian)鍍(du)(du)(du)(du)(du)(du)和雙面(mian)差鍍(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)板(ban)。單面(mian)鍍(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)板(ban)，即只在(zai)一面(mian)鍍(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)的(de)產品(pin)。在(zai)焊(han)接(jie)(jie)、涂裝、防銹處理、加工(gong)等方面(mian)，具(ju)有(you)(you)比雙面(mian)鍍(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)板(ban)好的(de)適(shi)應性。

熱(re)(re)鍍(du)鋅卷板價格(ge)行業統計數據顯示，十一月國內粗鋼(gang)日均(jun)產(chan)量為(wei)兩(liang)百零九萬噸(dun)，環比下降3.3%，創出(chu)今年以來水平，但是(shi)當前減產(chan)受到季(ji)節性(xing)因(yin)素(su)支撐，市(shi)場(chang)對數據有(you)效性(xing)提出(chu)質疑。鍍(du)鋅卷工業品而(er)言，近期陸(lu)續(xu)公布(bu)的重(zhong)要數據中(zhong)性(xing)偏多。但值(zhi)得注意的是(shi)，同年十一月熱(re)(re)鍍(du)鋅卷板價格(ge)工業增加值(zhi)和(he)投資(zi)增速放緩，進一步印證了國內總(zong)需(xu)求(qiu)乏力，工業復蘇形勢不(bu)(bu)容樂觀。加上未來經濟結(jie)構調整等因(yin)素(su)，工業品價格(ge)反彈高度將有(you)限。傳統需(xu)求(qiu)淡季(ji)效應(ying)還在持續(xu)不(bu)(bu)斷地發酵，冬(dong)儲效果不(bu)(bu)佳。雖然數據顯示供應(ying)壓力開始(shi)減輕，但是(shi)目前處于鋼(gang)鐵需(xu)求(qiu)淡季(ji)，市(shi)場(chang)成交萎縮，下游采購遲(chi)遲(chi)未能有(you)效跟進，市(shi)場(chang)信心(xin)不(bu)(bu)足，鍍(du)鋅鋼(gang)板貿易商囤貨現象也不(bu)(bu)明顯。

鍍鋅板使(shi)(shi)用(yong)(yong)的(de)(de)(de)(de)時(shi)候，自(zi)(zi)(zi)然(ran)也(ye)(ye)是(shi)要(yao)讓它(ta)(ta)(ta)在(zai)(zai)質(zhi)(zhi)量(liang)上(shang)(shang)面(mian)達(da)(da)到(dao)很(hen)(hen)好(hao)的(de)(de)(de)(de)表(biao)現(xian)，但是(shi)對(dui)于(yu)它(ta)(ta)(ta)在(zai)(zai)自(zi)(zi)(zi)己的(de)(de)(de)(de)質(zhi)(zhi)量(liang)表(biao)現(xian)表(biao)現(xian)來說，往往是(shi)有(you)很(hen)(hen)多方(fang)面(mian)的(de)(de)(de)(de)，那么它(ta)(ta)(ta)在(zai)(zai)自(zi)(zi)(zi)己的(de)(de)(de)(de)質(zhi)(zhi)量(liang)上(shang)(shang)面(mian)都是(shi)有(you)什么表(biao)現(xian)呢？首先(xian)一個(ge)方(fang)面(mian)，就(jiu)是(shi)它(ta)(ta)(ta)在(zai)(zai)自(zi)(zi)(zi)己的(de)(de)(de)(de)表(biao)面(mian)上(shang)(shang)要(yao)達(da)(da)到(dao)平的(de)(de)(de)(de)要(yao)求，這(zhe)一點(dian)自(zi)(zi)(zi)然(ran)也(ye)(ye)是(shi)它(ta)(ta)(ta)在(zai)(zai)自(zi)(zi)(zi)己使(shi)(shi)用(yong)(yong)時(shi)的(de)(de)(de)(de)一個(ge)重要(yao)的(de)(de)(de)(de)表(biao)現(xian)，現(xian)在(zai)(zai)也(ye)(ye)一些(xie)廠(chang)家，他們在(zai)(zai)生(sheng)產時(shi)，因(yin)為(wei)沒有(you)使(shi)(shi)用(yong)(yong)很(hen)(hen)好(hao)的(de)(de)(de)(de)設備，也(ye)(ye)或者是(shi)在(zai)(zai)技術上(shang)(shang)面(mian)低下(xia)，自(zi)(zi)(zi)然(ran)就(jiu)沒有(you)這(zhe)方(fang)面(mian)的(de)(de)(de)(de)表(biao)現(xian)。重慶鍍鋅板本身(shen)的(de)(de)(de)(de)性能上(shang)(shang)面(mian)有(you)很(hen)(hen)大(da)的(de)(de)(de)(de)下(xia)降，而(er)且因(yin)為(wei)它(ta)(ta)(ta)在(zai)(zai)自(zi)(zi)(zi)己的(de)(de)(de)(de)平上(shang)(shang)面(mian)沒有(you)自(zi)(zi)(zi)己的(de)(de)(de)(de)表(biao)現(xian)，同時(shi)用(yong)(yong)戶(hu)在(zai)(zai)自(zi)(zi)(zi)己使(shi)(shi)用(yong)(yong)時(shi)，也(ye)(ye)不會達(da)(da)到(dao)很(hen)(hen)高的(de)(de)(de)(de)使(shi)(shi)用(yong)(yong)壽(shou)命。

鍍(du)(du)鋅(xin)鋼板(ban)(ban)(ban)(ban)是為(wei)防止鋼板(ban)(ban)(ban)(ban)表面(mian)(mian)遭受腐蝕，延(yan)長其使(shi)(shi)用壽(shou)命(ming)，在鋼板(ban)(ban)(ban)(ban)表面(mian)(mian)涂以(yi)一(yi)層金屬鋅(xin)，這種涂鋅(xin)的薄(bo)(bo)鋼板(ban)(ban)(ban)(ban)稱為(wei)鍍(du)(du)鋅(xin)板(ban)(ban)(ban)(ban)。按生(sheng)產及加工(gong)方法可分(fen)為(wei)以(yi)下幾類：熱浸(jin)(jin)(jin)鍍(du)(du)鋅(xin)鋼板(ban)(ban)(ban)(ban)。將(jiang)薄(bo)(bo)鋼板(ban)(ban)(ban)(ban)浸(jin)(jin)(jin)入熔 微(wei)商貨源解(jie)的鋅(xin)槽(cao)中，使(shi)(shi)其表面(mian)(mian)粘(zhan)附一(yi)層鋅(xin)的薄(bo)(bo)鋼板(ban)(ban)(ban)(ban)。目(mu)前主(zhu)要采用連(lian)續鍍(du)(du)鋅(xin)工(gong)藝生(sheng)產，即把成卷的鋼板(ban)(ban)(ban)(ban)連(lian)續浸(jin)(jin)(jin)在熔解(jie)有鋅(xin)的鍍(du)(du)槽(cao)中制成鍍(du)(du)鋅(xin)鋼板(ban)(ban)(ban)(ban)；合金化鍍(du)(du)鋅(xin)鋼板(ban)(ban)(ban)(ban)。這種鋼板(ban)(ban)(ban)(ban)也是用熱浸(jin)(jin)(jin)法制造，但在出槽(cao)后，立即把它(ta)加熱到５００℃左右，使(shi)(shi)其生(sheng)成鋅(xin)和鐵(tie)的合金被膜。這種鍍(du)(du)鋅(xin)板(ban)(ban)(ban)(ban)具有良好(hao)的涂料的密著性(xing)和焊接(jie)性(xing)。