樓(lou)(lou)承板(ban)(ban)組(zu)合板(ban)(ban)是(shi)一種十分(fen)合理的(de)結(jie)構(gou)方式，它能夠按其各(ge)組(zu)成部件所處(chu)的(de)方位和(he)(he)特色，充分(fen)發揮鋼(gang)材抗(kang)拉和(he)(he)混凝(ning)土(tu)抗(kang)壓功(gong)能好的(de)長處(chu)，并具(ju)(ju)有(you)杰(jie)出的(de)抗(kang)震(zhen)功(gong)能、施(shi)工功(gong)能。這種結(jie)構(gou)現(xian)在(zai)被(bei)廣泛運用于國(guo)內(nei)(nei)外修建中(zhong)，但在(zai)國(guo)內(nei)(nei)大都將樓(lou)(lou)承板(ban)(ban)當(dang)作模板(ban)(ban)運用，而沒有(you)充分(fen)發揮樓(lou)(lou)承板(ban)(ban)的(de)效果(guo)。 與一般(ban)鋼(gang)筋混凝(ning)土(tu)樓(lou)(lou)板(ban)(ban)比較，樓(lou)(lou)承板(ban)(ban)組(zu)合樓(lou)(lou)板(ban)(ban)具(ju)(ju)備(bei)以下長處(chu)：樓(lou)(lou)承板(ban)(ban)能夠作為現(xian)澆混凝(ning)土(tu)的(de)模板(ban)(ban)。這樣(yang)就(jiu)省掉(diao)了施(shi)工中(zhong)裝(zhuang)置和(he)(he)撤(che)除模板(ban)(ban)等工序，然后節約了時刻(ke)和(he)(he)勞(lao)動(dong)力;當(dang)樓(lou)(lou)承板(ban)(ban)裝(zhuang)置好今后將能夠作為施(shi)工平(ping)臺運用。

近期鋼(gang)價(jia)(jia)延續低迷，隨著通國規模的酷(ku)暑和旱季到(dao)來，熱(re)鍍(du)鋅卷(juan)板(ban)價(jia)(jia)格商(shang)(shang)場(chang)逐(zhu)漸進入(ru)需要旺季，海(hai)內鋼(gang)鐵(tie)商(shang)(shang)場(chang)或將窄幅調(diao)整。在決(jue)策(ce)層兩手抓(zhua)制度(du)措(cuo)施落(luo)實狀況(kuang)、貨銀本(ben)位度(du)定向(xiang)寬松力度(du)加(jia)大的直觀層面利好牽(qian)動下，商(shang)(shang)場(chang)信念(nian)逐(zhu)漸趨穩(wen)，短期海(hai)內鋼(gang)價(jia)(jia)無(wu)望(wang)止跌企(qi)穩(wen);另(ling)一上(shang)(shang)面，以后鋼(gang)價(jia)(jia)殺跌電能有余(yu)，而上(shang)(shang)漲也仍然屏障重重。熱(re)鍍(du)鋅卷(juan)板(ban)價(jia)(jia)格價(jia)(jia)錢(qian)或將長期在于低位運行場(chang)面。

萬源冷軋卷重慶鍍鋅卷主要有：脫落、劃傷、鈍化斑、鋅粒、厚邊、氣刀條痕、氣刀刮痕、露鋼、夾雜、機械損傷、鋼基性能不良、浪邊、瓢曲、尺寸不合、壓印、鋅層厚度不合、輥印等。冷軋卷價格鋅(xin)層脫落的(de)主要(yao)原因有(you)：表面氧化(hua)、有(you)硅化(hua)合(he)物、冷扎乳化(hua)液(ye)太臟、NOF段氧化(hua)氣氛(fen)及(ji)保護氣體露點(dian)太高、空燃比不(bu)合(he)理(li)、氫氣流(liu)量偏(pian)低(di)(di)、爐子(zi)有(you)氧滲入(ru)(ru)，帶(dai)鋼入(ru)(ru)鍋(guo)(guo)溫(wen)度偏(pian)低(di)(di)，RWP段爐壓偏(pian)低(di)(di)及(ji)爐門吸(xi)風、NOF段爐溫(wen)偏(pian)低(di)(di)，油脂蒸發不(bu)盡、鋅(xin)鍋(guo)(guo)鋁(lv)含量偏(pian)低(di)(di)、機組速(su)度太快、還原不(bu)充分、鋅(xin)液(ye)中停留時間太短、鍍(du)層偏(pian)厚。白銹和黑(hei)斑產生的(de)原因有(you)：黑(hei)斑是白銹進一步氧化(hua)形成的(de)鍍(du)鋅(xin)板的(de)特(te)點(dian)與用途。鍍(du)鋅(xin)卷板是以熱(re)軋(ya)鋼帶(dai)或冷軋(ya)鋼帶(dai)為基板，經(jing)過連續熱(re)浸(jin)鍍(du)鋅(xin)工藝(yi)而(er)生產出(chu)來的(de)， 產品具有(you)耐腐(fu)蝕(shi)強、 表面質量好、有(you)利于深加工、經(jing)濟實(shi)用等(deng)特(te)點(dian)。

重(zhong)慶樓(lou)承板(ban)(ban)(ban)(ban)(ban)的(de)(de)鍍(du)鋅(xin)(xin)量沒有一個具體的(de)(de)標準，制(zhi)作壓型鋼板(ban)(ban)(ban)(ban)(ban)的(de)(de)冷軋鋼卷須連續熱浸(jin)鍍(du)鋅(xin)(xin)（或(huo)鍍(du)鋁(lv)鋅(xin)(xin)），鍍(du)（鋁(lv)）鋅(xin)(xin)量視設(she)計要求而定。樓(lou)承板(ban)(ban)(ban)(ban)(ban)用(yong)壓型鋼板(ban)(ban)(ban)(ban)(ban)宜選(xuan)擇熱浸(jin)鍍(du)鋅(xin)(xin)鋼板(ban)(ban)(ban)(ban)(ban)。不允許(xu)使(shi)用(yong)電鍍(du)鋅(xin)(xin)鋼板(ban)(ban)(ban)(ban)(ban)，電鍍(du)鋅(xin)(xin)鋼板(ban)(ban)(ban)(ban)(ban)僅在基(ji)材表(biao)面形成保護層(ceng)，防(fang)腐能(neng)(neng)力有限。目前市場上有鍍(du)鋅(xin)(xin)鋼板(ban)(ban)(ban)(ban)(ban)（鍍(du)層(ceng)含鋁(lv)5%或(huo)55%），在酸性(xing)環境(jing)下的(de)(de)防(fang)腐效果由(you)于(yu)熱浸(jin)鍍(du)鋅(xin)(xin)鋼板(ban)(ban)(ban)(ban)(ban)，但(dan)在混(hun)凝(ning)土的(de)(de)堿(jian)性(xing)條件下，鍍(du)鋁(lv)鋅(xin)(xin)的(de)(de)防(fang)腐蝕(shi)性(xing)能(neng)(neng)低(di)于(yu)熱浸(jin)鍍(du)鋅(xin)(xin)鋼板(ban)(ban)(ban)(ban)(ban)，且鋁(lv)會(hui)和混(hun)凝(ning)土發生反應(ying)，并降(jiang)低(di)混(hun)凝(ning)土與鋼板(ban)(ban)(ban)(ban)(ban)的(de)(de)粘結(jie)性(xing)能(neng)(neng)。因此參考(kao)國外規范(fan)，及國內外工程，行家(jia)壓型鋼板(ban)(ban)(ban)(ban)(ban)不建議使(shi)用(yong)鍍(du)鋁(lv)鋅(xin)(xin)鋼板(ban)(ban)(ban)(ban)(ban)。