樓(lou)承板(ban)(ban)(ban)(ban)適應主體鋼結構快速施工(gong)(gong)的(de)(de)(de)要(yao)求(qiu)，能(neng)夠在(zai)短時(shi)間(jian)內提供(gong)堅定的(de)(de)(de)作(zuo)(zuo)業平臺，并(bing)可(ke)采(cai)用(yong)多個樓(lou)層鋪(pu)設(she)壓(ya)(ya)型鋼板(ban)(ban)(ban)(ban)，分層澆筑混凝(ning)(ning)土(tu)(tu)板(ban)(ban)(ban)(ban)的(de)(de)(de)流水施工(gong)(gong)。在(zai)使(shi)(shi)用(yong)階段樓(lou)承板(ban)(ban)(ban)(ban)作(zuo)(zuo)為(wei)(wei)混凝(ning)(ning)土(tu)(tu)樓(lou)板(ban)(ban)(ban)(ban)的(de)(de)(de)受拉鋼筋(jin)，也提高(gao)了(le)樓(lou)板(ban)(ban)(ban)(ban)的(de)(de)(de)剛度(du)，節省(sheng)了(le)鋼筋(jin)和混凝(ning)(ning)土(tu)(tu)的(de)(de)(de)用(yong)量。樓(lou)承板(ban)(ban)(ban)(ban)上面(mian)(mian)可(ke)以鋪(pu)設(she)保溫，隔音，隔熱，隔振(zhen)等(deng)材料。樓(lou)面(mian)(mian)性(xing)能(neng)充分發揮鋼的(de)(de)(de)良好的(de)(de)(de)抗拉強(qiang)度(du)和延性(xing)及混凝(ning)(ning)土(tu)(tu)優良的(de)(de)(de)抗壓(ya)(ya)強(qiang)度(du)和較(jiao)大的(de)(de)(de)剛度(du)。壓(ya)(ya)型板(ban)(ban)(ban)(ban)表面(mian)(mian)壓(ya)(ya)紋使(shi)(shi)樓(lou)承板(ban)(ban)(ban)(ban)與混凝(ning)(ning)土(tu)(tu)之間(jian)產生大的(de)(de)(de)結合力，使(shi)(shi)二者形成(cheng)整體，配以加勁肋，使(shi)(shi)樓(lou)承板(ban)(ban)(ban)(ban)系(xi)統具有高(gao)強(qiang)承載力。在(zai)懸臂條件下，樓(lou)承板(ban)(ban)(ban)(ban)僅作(zuo)(zuo)為(wei)(wei)性(xing)模板(ban)(ban)(ban)(ban)。懸挑的(de)(de)(de)長(chang)度(du)可(ke)根據樓(lou)承板(ban)(ban)(ban)(ban)的(de)(de)(de)截面(mian)(mian)特性(xing)來定。為(wei)(wei)了(le)防止懸挑板(ban)(ban)(ban)(ban)的(de)(de)(de)開裂，需在(zai)支座(zuo)處依(yi)結構工(gong)(gong)程師的(de)(de)(de)設(she)計配上負筋(jin)。

重(zhong)慶樓(lou)(lou)(lou)承(cheng)板(ban)分(fen)兩種(zhong)。一種(zhong)是把樓(lou)(lou)(lou)承(cheng)板(ban)當做承(cheng)受拉力的(de)(de)(de)(de)(de)鋼(gang)筋(jin)計(ji)(ji)(ji)算(suan)(suan)的(de)(de)(de)(de)(de)，另外一種(zhong)是僅把樓(lou)(lou)(lou)承(cheng)板(ban)作為模板(ban)計(ji)(ji)(ji)算(suan)(suan)而不參與受力的(de)(de)(de)(de)(de)。做模板(ban)計(ji)(ji)(ji)算(suan)(suan)的(de)(de)(de)(de)(de)比較簡單，直接(jie)按(an)照(zhao)跨度頂就(jiu)行了。2米(mi)以(yi)下(xia)選(xuan)0.8的(de)(de)(de)(de)(de)，2-3米(mi)的(de)(de)(de)(de)(de)選(xuan)1.0的(de)(de)(de)(de)(de)。樓(lou)(lou)(lou)承(cheng)板(ban)作為受力鋼(gang)筋(jin)計(ji)(ji)(ji)算(suan)(suan)，就(jiu)按(an)照(zhao)模板(ban)的(de)(de)(de)(de)(de)選(xuan)用(yong)樓(lou)(lou)(lou)承(cheng)板(ban)（或(huo)者加厚(hou)且只(zhi)能(neng)(neng)加厚(hou)），然(ran)后在計(ji)(ji)(ji)算(suan)(suan)配筋(jin)的(de)(de)(de)(de)(de)時(shi)候可以(yi)按(an)照(zhao)面積減少鋼(gang)筋(jin)用(yong)量。樓(lou)(lou)(lou)承(cheng)板(ban)不能(neng)(neng)單獨計(ji)(ji)(ji)算(suan)(suan)的(de)(de)(de)(de)(de)，它(ta)和整個樓(lou)(lou)(lou)板(ban)是一個體系(xi)的(de)(de)(de)(de)(de)。

鍍鋅鋼(gang)板(ban)(ban)(ban)(ban)(ban)(ban)為(wei)(wei)基板(ban)(ban)(ban)(ban)(ban)(ban)的(de)(de)(de)(de)彩(cai)涂(tu)鋼(gang)板(ban)(ban)(ban)(ban)(ban)(ban)，除有鋅保(bao)護外，鋅層(ceng)(ceng)(ceng)上的(de)(de)(de)(de)有機(ji)涂(tu)層(ceng)(ceng)(ceng)起了覆蓋(gai)隔離作用(yong)，可防(fang)止鋼(gang)板(ban)(ban)(ban)(ban)(ban)(ban)生銹(xiu)，使(shi)用(yong)壽命比(bi)鍍鋅鋼(gang)板(ban)(ban)(ban)(ban)(ban)(ban)更長，據介紹(shao)涂(tu)層(ceng)(ceng)(ceng)鋼(gang)板(ban)(ban)(ban)(ban)(ban)(ban)的(de)(de)(de)(de)使(shi)用(yong)壽命比(bi)鍍鋅鋼(gang)板(ban)(ban)(ban)(ban)(ban)(ban)長50%。在連(lian)續機(ji)組上以(yi)冷軋帶(dai)鋼(gang)，鍍鋅帶(dai)鋼(gang)（電(dian)鍍鋅和熱鍍鋅）為(wei)(wei)基板(ban)(ban)(ban)(ban)(ban)(ban)，經過表面預處(chu)理（脫脂(zhi)和化學處(chu)理），用(yong)輥涂(tu)的(de)(de)(de)(de)方法，涂(tu)上一(yi)層(ceng)(ceng)(ceng)或多(duo)層(ceng)(ceng)(ceng)液態涂(tu)料，經過烘烤和冷卻所得的(de)(de)(de)(de)板(ban)(ban)(ban)(ban)(ban)(ban)材即為(wei)(wei)涂(tu)層(ceng)(ceng)(ceng)鋼(gang)板(ban)(ban)(ban)(ban)(ban)(ban)。由(you)于涂(tu)層(ceng)(ceng)(ceng)可以(yi)有各(ge)種不同的(de)(de)(de)(de)顏色(se)，習慣上把(ba)涂(tu)層(ceng)(ceng)(ceng)鋼(gang)板(ban)(ban)(ban)(ban)(ban)(ban)叫做彩(cai)色(se)涂(tu)層(ceng)(ceng)(ceng)鋼(gang)板(ban)(ban)(ban)(ban)(ban)(ban)。又由(you)于涂(tu)層(ceng)(ceng)(ceng)是(shi)在鋼(gang)板(ban)(ban)(ban)(ban)(ban)(ban)成型(xing)加工之前進(jin)行的(de)(de)(de)(de)，在國(guo)外這叫做預涂(tu)層(ceng)(ceng)(ceng)鋼(gang)板(ban)(ban)(ban)(ban)(ban)(ban)。

熱浸鍍(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)將薄(bo)鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)浸入熔解(jie)的(de)(de)(de)鋅(xin)(xin)(xin)槽(cao)中(zhong)，使其表面(mian)(mian)(mian)粘附一(yi)層鋅(xin)(xin)(xin)的(de)(de)(de)薄(bo)鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)。目前(qian)主(zhu)要采用(yong)連續鍍(du)(du)鋅(xin)(xin)(xin)工藝生產，即(ji)(ji)把(ba)成卷的(de)(de)(de)鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)連續浸在熔解(jie)有鋅(xin)(xin)(xin)的(de)(de)(de)鍍(du)(du)槽(cao)中(zhong)制成鍍(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban);合(he)(he)金化(hua)鍍(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)。這(zhe)種鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)也是(shi)用(yong)熱浸法制造，但在出槽(cao)后，立即(ji)(ji)把(ba)它加熱到500 ℃左右，使其生成鋅(xin)(xin)(xin)和(he)(he)鐵的(de)(de)(de)合(he)(he)金被膜。這(zhe)種鍍(du)(du)鋅(xin)(xin)(xin)板(ban)(ban)(ban)具有良(liang)好的(de)(de)(de)涂料的(de)(de)(de)密著性和(he)(he)焊(han)接性;電(dian)鍍(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)。用(yong)電(dian)鍍(du)(du)法制造這(zhe)種鍍(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)具有良(liang)好的(de)(de)(de)加工性。但鍍(du)(du)層較薄(bo)，耐腐蝕(shi)性不(bu)如熱浸法鍍(du)(du)鋅(xin)(xin)(xin)板(ban)(ban)(ban);單面(mian)(mian)(mian)鍍(du)(du)和(he)(he)雙面(mian)(mian)(mian)差鍍(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)。單面(mian)(mian)(mian)鍍(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)，即(ji)(ji)只在一(yi)面(mian)(mian)(mian)鍍(du)(du)鋅(xin)(xin)(xin)的(de)(de)(de)產品。在焊(han)接、涂裝、防銹處理、加工等方面(mian)(mian)(mian)，具有比雙面(mian)(mian)(mian)鍍(du)(du)鋅(xin)(xin)(xin)板(ban)(ban)(ban)好的(de)(de)(de)適(shi)應性。

樂山電鍍鋅近期鋼價延續低迷，隨著通國規模的酷暑和旱季到來，熱鍍鋅卷板價格商場逐漸進入需要旺季，海內鋼鐵商場或將窄幅調整。在決策層兩手抓制度措施落實狀況、貨銀本位度定向寬松力度加大的直觀層面利好牽動下，商場信念逐漸趨穩，短期海內鋼價無望止跌企穩;另一上面，以后鋼價殺跌電能有余，而上漲也仍然屏障重重。電鍍鋅價格熱鍍鋅(xin)卷板價格價錢(qian)或將長期(qi)在(zai)于(yu)低位運行場面。

鍍(du)鋅(xin)(xin)鋼(gang)(gang)板(ban)(ban)(ban)是為(wei)防止(zhi)鋼(gang)(gang)板(ban)(ban)(ban)表(biao)面(mian)遭受腐蝕，延長其使用(yong)(yong)壽命，在鋼(gang)(gang)板(ban)(ban)(ban)表(biao)面(mian)涂以(yi)(yi)一(yi)層(ceng)金(jin)屬鋅(xin)(xin)，這種(zhong)涂鋅(xin)(xin)的(de)薄(bo)鋼(gang)(gang)板(ban)(ban)(ban)稱為(wei)鍍(du)鋅(xin)(xin)板(ban)(ban)(ban)。按生(sheng)產及加工方法可分為(wei)以(yi)(yi)下幾類(lei)：熱(re)浸(jin)鍍(du)鋅(xin)(xin)鋼(gang)(gang)板(ban)(ban)(ban)。將薄(bo)鋼(gang)(gang)板(ban)(ban)(ban)浸(jin)入熔 微商貨源解的(de)鋅(xin)(xin)槽(cao)(cao)(cao)中，使其表(biao)面(mian)粘附一(yi)層(ceng)鋅(xin)(xin)的(de)薄(bo)鋼(gang)(gang)板(ban)(ban)(ban)。目前(qian)主(zhu)要采用(yong)(yong)連續(xu)鍍(du)鋅(xin)(xin)工藝生(sheng)產，即把成卷的(de)鋼(gang)(gang)板(ban)(ban)(ban)連續(xu)浸(jin)在熔解有鋅(xin)(xin)的(de)鍍(du)槽(cao)(cao)(cao)中制成鍍(du)鋅(xin)(xin)鋼(gang)(gang)板(ban)(ban)(ban)；合金(jin)化鍍(du)鋅(xin)(xin)鋼(gang)(gang)板(ban)(ban)(ban)。這種(zhong)鋼(gang)(gang)板(ban)(ban)(ban)也是用(yong)(yong)熱(re)浸(jin)法制造，但在出槽(cao)(cao)(cao)后，立即把它(ta)加熱(re)到５００℃左右(you)，使其生(sheng)成鋅(xin)(xin)和鐵的(de)合金(jin)被膜。這種(zhong)鍍(du)鋅(xin)(xin)板(ban)(ban)(ban)具有良好的(de)涂料的(de)密(mi)著性和焊接(jie)性。