鍍鋅(xin)鋼(gang)(gang)(gang)(gang)(gang)板(ban)(ban)為基(ji)板(ban)(ban)的(de)彩涂(tu)(tu)鋼(gang)(gang)(gang)(gang)(gang)板(ban)(ban)，除(chu)有鋅(xin)保護外，鋅(xin)層(ceng)(ceng)上(shang)的(de)有機涂(tu)(tu)層(ceng)(ceng)起(qi)了覆蓋隔(ge)離作(zuo)用(yong)(yong)，可防(fang)止鋼(gang)(gang)(gang)(gang)(gang)板(ban)(ban)生銹，使用(yong)(yong)壽命比(bi)鍍鋅(xin)鋼(gang)(gang)(gang)(gang)(gang)板(ban)(ban)更(geng)長，據介紹(shao)涂(tu)(tu)層(ceng)(ceng)鋼(gang)(gang)(gang)(gang)(gang)板(ban)(ban)的(de)使用(yong)(yong)壽命比(bi)鍍鋅(xin)鋼(gang)(gang)(gang)(gang)(gang)板(ban)(ban)長50%。在連續(xu)機組上(shang)以冷(leng)(leng)軋(ya)帶鋼(gang)(gang)(gang)(gang)(gang)，鍍鋅(xin)帶鋼(gang)(gang)(gang)(gang)(gang)（電鍍鋅(xin)和熱鍍鋅(xin)）為基(ji)板(ban)(ban)，經過表(biao)面預處(chu)理（脫脂和化學處(chu)理），用(yong)(yong)輥涂(tu)(tu)的(de)方法，涂(tu)(tu)上(shang)一層(ceng)(ceng)或多層(ceng)(ceng)液態(tai)涂(tu)(tu)料，經過烘(hong)烤和冷(leng)(leng)卻所得的(de)板(ban)(ban)材即為涂(tu)(tu)層(ceng)(ceng)鋼(gang)(gang)(gang)(gang)(gang)板(ban)(ban)。由于涂(tu)(tu)層(ceng)(ceng)可以有各種不同的(de)顏色(se)(se)，習慣(guan)上(shang)把涂(tu)(tu)層(ceng)(ceng)鋼(gang)(gang)(gang)(gang)(gang)板(ban)(ban)叫做(zuo)彩色(se)(se)涂(tu)(tu)層(ceng)(ceng)鋼(gang)(gang)(gang)(gang)(gang)板(ban)(ban)。又由于涂(tu)(tu)層(ceng)(ceng)是在鋼(gang)(gang)(gang)(gang)(gang)板(ban)(ban)成型(xing)加工(gong)之前進行的(de)，在國外這叫做(zuo)預涂(tu)(tu)層(ceng)(ceng)鋼(gang)(gang)(gang)(gang)(gang)板(ban)(ban)。

冷軋板廠家樓承板適應主體鋼結構快速施工的要求，能夠在短時間內提供堅定的作業平臺，并可采用多個樓層鋪設壓型鋼板，分層澆筑混凝土板的流水施工。奉節冷軋板在使(shi)用階段樓承板(ban)(ban)(ban)(ban)作(zuo)為混(hun)凝(ning)土(tu)(tu)樓板(ban)(ban)(ban)(ban)的(de)(de)(de)受拉(la)鋼筋(jin)，也提高了(le)樓板(ban)(ban)(ban)(ban)的(de)(de)(de)剛度(du)，節(jie)省了(le)鋼筋(jin)和混(hun)凝(ning)土(tu)(tu)的(de)(de)(de)用量。樓承板(ban)(ban)(ban)(ban)上(shang)面可(ke)以鋪設保溫，隔(ge)音，隔(ge)熱，隔(ge)振等(deng)材料。樓面性能充分發揮(hui)鋼的(de)(de)(de)良好的(de)(de)(de)抗拉(la)強(qiang)(qiang)度(du)和延性及混(hun)凝(ning)土(tu)(tu)優良的(de)(de)(de)抗壓(ya)強(qiang)(qiang)度(du)和較大的(de)(de)(de)剛度(du)。壓(ya)型板(ban)(ban)(ban)(ban)表面壓(ya)紋使(shi)樓承板(ban)(ban)(ban)(ban)與混(hun)凝(ning)土(tu)(tu)之間產(chan)生大的(de)(de)(de)結合(he)力，使(shi)二者形成整(zheng)體，配(pei)以加(jia)勁(jing)肋，使(shi)樓承板(ban)(ban)(ban)(ban)系統具有高強(qiang)(qiang)承載力。在懸臂條件下(xia)，樓承板(ban)(ban)(ban)(ban)僅(jin)作(zuo)為性模板(ban)(ban)(ban)(ban)。懸挑的(de)(de)(de)長度(du)可(ke)根據樓承板(ban)(ban)(ban)(ban)的(de)(de)(de)截(jie)面特性來(lai)定(ding)。為了(le)防止懸挑板(ban)(ban)(ban)(ban)的(de)(de)(de)開裂，需在支(zhi)座處依結構工(gong)程(cheng)師的(de)(de)(de)設計配(pei)上(shang)負筋(jin)。

要看(kan)整(zheng)個(ge)樓板的(de)厚(hou)度來考慮挑選(xuan)是用(yong)(yong)(yong)75波(bo)高(gao)(gao)(gao)(gao)系(xi)列(lie)的(de)仍是51波(bo)高(gao)(gao)(gao)(gao)系(xi)列(lie)的(de)，沉默有40系(xi)列(lie)，46系(xi)列(lie)，60系(xi)列(lie)，65波(bo)高(gao)(gao)(gao)(gao)系(xi)列(lie)。一般來說(shuo)(shuo)波(bo)高(gao)(gao)(gao)(gao)越低，承載力(li)就(jiu)(jiu)越低，然后就(jiu)(jiu)是波(bo)峰距離越大，承載力(li)就(jiu)(jiu)越小(xiao)，假如整(zheng)個(ge)樓板厚(hou)度在(zai)10公分以(yi)內，好選(xuan)用(yong)(yong)(yong)選(xuan)用(yong)(yong)(yong)波(bo)高(gao)(gao)(gao)(gao)40系(xi)列(lie)，整(zheng)個(ge)樓板厚(hou)度在(zai)10-13公分以(yi)內，好選(xuan)用(yong)(yong)(yong)50波(bo)高(gao)(gao)(gao)(gao)系(xi)列(lie)，在(zai)13公分以(yi)上，好選(xuan)用(yong)(yong)(yong)75系(xi)列(lie)。有些人(ren)會問，為什么呀?其實(shi)《我國鋼筋(jin)混凝土(tu)(tu)修建規(gui)范》里有個(ge)要求，鋼筋(jin)上面的(de)混泥(ni)土(tu)(tu)保(bao)護(hu)層不能低于(yu)2.5cm，就(jiu)(jiu)是說(shuo)(shuo)樓承板自身的(de)波(bo)高(gao)(gao)(gao)(gao)+鋼筋(jin)網(wang)的(de)厚(hou)度(一般2cm)+2.5cm的(de)保(bao)護(hu)層≤樓板的(de)厚(hou)度。

樓(lou)(lou)承板(ban)鍍(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)首要起到防(fang)腐的效果，按標(biao)準組合樓(lou)(lou)板(ban)與非(fei)(fei)組合樓(lou)(lou)板(ban)壓(ya)型鋼板(ban)應選(xuan)用(yong)(yong)(yong)(yong)(yong)熱鍍(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)，不(bu)該(gai)選(xuan)用(yong)(yong)(yong)(yong)(yong)電鍍(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)鋼板(ban)，其雙面(mian)(mian)鍍(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)層(ceng)總含(han)量(liang)(liang)要滿足在使(shi)用(yong)(yong)(yong)(yong)(yong)期間不(bu)致銹損的要求(qiu)。當(dang)作為非(fei)(fei)組合樓(lou)(lou)承板(ban)時(shi)，鍍(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)層(ceng)含(han)量(liang)(liang)可選(xuan)用(yong)(yong)(yong)(yong)(yong)較(jiao)低值(zhi)(zhi);當(dang)為組合樓(lou)(lou)承板(ban)時(shi)，鍍(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)層(ceng)含(han)量(liang)(liang)不(bu)該(gai)小(xiao)于(yu)150g/m2。當(dang)為組合樓(lou)(lou)板(ban)且使(shi)用(yong)(yong)(yong)(yong)(yong)環境條件(jian)較(jiao)為惡劣(lie)時(shi)，鍍(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)層(ceng)含(han)量(liang)(liang)應選(xuan)用(yong)(yong)(yong)(yong)(yong)上限值(zhi)(zhi)或更高(gao)值(zhi)(zhi)。更高(gao)的鍍(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)要求(qiu)，如雙面(mian)(mian)鍍(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)量(liang)(liang)為300g/m2、350g/m2或鍍(du)鋁鋅(xin)(xin)(xin)(xin)(xin)(xin)(5%鋁)275g/m2、300g/m2等(deng)，較(jiao)高(gao)的鍍(du)層(ceng)量(liang)(liang)使(shi)組合樓(lou)(lou)板(ban)有更長(chang)耐久性，同等(deng)量(liang)(liang)的鍍(du)鋁鋅(xin)(xin)(xin)(xin)(xin)(xin)的防(fang)銹蝕才(cai)能大(da)約兩倍于(yu)一般熱鍍(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)。鍍(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)量(liang)(liang)也不(bu)是越(yue)厚越(yue)好(hao)，當(dang)鍍(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)量(liang)(liang)較(jiao)厚時(shi)，抗剪連(lian)接件(jian)栓(shuan)釘的焊(han)接質量(liang)(liang)就很難(nan)保(bao)證(zheng)，焊(han)接時(shi)，宜選(xuan)用(yong)(yong)(yong)(yong)(yong)局部除鋅(xin)(xin)(xin)(xin)(xin)(xin)處理(li)措施。

鍍(du)(du)(du)(du)(du)鋅(xin)(xin)方(fang)(fang)(fang)管(guan)是(shi)一種(zhong)(zhong)具以(yi)熱(re)(re)軋或冷軋鍍(du)(du)(du)(du)(du)鋅(xin)(xin)帶(dai)鋼或鍍(du)(du)(du)(du)(du)鋅(xin)(xin)卷(juan)板(ban)(ban)為坯料經冷彎(wan)(wan)曲加工成型后再經高頻焊(han)接(jie)制(zhi)成的方(fang)(fang)(fang)形截(jie)面(mian)(mian)形狀(zhuang)尺寸(cun)的空心方(fang)(fang)(fang)形的截(jie)面(mian)(mian)型鋼鋼管(guan)；鍍(du)(du)(du)(du)(du)鋅(xin)(xin)卷(juan)或將(jiang)事先做好的冷彎(wan)(wan)空心型鋼管(guan)再經熱(re)(re)浸鍍(du)(du)(du)(du)(du)鋅(xin)(xin)加工而成的鍍(du)(du)(du)(du)(du)鋅(xin)(xin)方(fang)(fang)(fang)矩管(guan)。鍍(du)(du)(du)(du)(du)鋅(xin)(xin)量是(shi)表示鍍(du)(du)(du)(du)(du)鋅(xin)(xin)板(ban)(ban)鋅(xin)(xin)層(ceng)厚度的一個普遍采用(yong)的有效方(fang)(fang)(fang)法。鍍(du)(du)(du)(du)(du)鋅(xin)(xin)量的單位為g/m2。鍍(du)(du)(du)(du)(du)鋅(xin)(xin)層(ceng)通過鈍化(hua)處理，可(ke)減(jian)少潮溫貯運條(tiao)件(jian)下產生折(zhe)銹蝕(shi)(白銹) 。但這種(zhong)(zhong)化(hua)學(xue)處理的防腐(fu)蝕(shi)性(xing)能是(shi)有限的，而且，妨礙大多(duo)數涂料的附著性(xing)。這種(zhong)(zhong)處理一般(ban)不用(yong)在鋅(xin)(xin)鐵合金鍍(du)(du)(du)(du)(du)層(ceng)，除(chu)光整表面(mian)(mian)外，作為常(chang)規(gui)，生產廠對其他類型的鍍(du)(du)(du)(du)(du)鋅(xin)(xin)層(ceng)均進行鈍化(hua)處理。