樓承板(ban)(ban)(ban)(ban)適應主體鋼(gang)(gang)(gang)結構快速施(shi)工(gong)的(de)(de)要求，能(neng)夠在短(duan)時間(jian)內(nei)提(ti)供堅定(ding)的(de)(de)作(zuo)業平臺，并可采(cai)用多個樓層鋪設壓(ya)(ya)(ya)型鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)，分(fen)(fen)層澆筑混凝(ning)土(tu)板(ban)(ban)(ban)(ban)的(de)(de)流水(shui)施(shi)工(gong)。在使(shi)用階(jie)段(duan)樓承板(ban)(ban)(ban)(ban)作(zuo)為(wei)混凝(ning)土(tu)樓板(ban)(ban)(ban)(ban)的(de)(de)受拉鋼(gang)(gang)(gang)筋(jin)(jin)，也提(ti)高了(le)樓板(ban)(ban)(ban)(ban)的(de)(de)剛度(du)，節(jie)省了(le)鋼(gang)(gang)(gang)筋(jin)(jin)和(he)混凝(ning)土(tu)的(de)(de)用量(liang)。樓承板(ban)(ban)(ban)(ban)上面(mian)(mian)可以鋪設保溫，隔(ge)音(yin)，隔(ge)熱，隔(ge)振等材料。樓面(mian)(mian)性(xing)能(neng)充分(fen)(fen)發揮鋼(gang)(gang)(gang)的(de)(de)良(liang)好的(de)(de)抗拉強度(du)和(he)延性(xing)及混凝(ning)土(tu)優良(liang)的(de)(de)抗壓(ya)(ya)(ya)強度(du)和(he)較大(da)的(de)(de)剛度(du)。壓(ya)(ya)(ya)型板(ban)(ban)(ban)(ban)表(biao)面(mian)(mian)壓(ya)(ya)(ya)紋使(shi)樓承板(ban)(ban)(ban)(ban)與混凝(ning)土(tu)之間(jian)產生大(da)的(de)(de)結合力(li)，使(shi)二者形成整體，配(pei)以加勁肋，使(shi)樓承板(ban)(ban)(ban)(ban)系統具有高強承載(zai)力(li)。在懸(xuan)臂條(tiao)件下，樓承板(ban)(ban)(ban)(ban)僅作(zuo)為(wei)性(xing)模板(ban)(ban)(ban)(ban)。懸(xuan)挑的(de)(de)長度(du)可根據樓承板(ban)(ban)(ban)(ban)的(de)(de)截(jie)面(mian)(mian)特性(xing)來(lai)定(ding)。為(wei)了(le)防(fang)止懸(xuan)挑板(ban)(ban)(ban)(ban)的(de)(de)開裂，需(xu)在支(zhi)座處依結構工(gong)程(cheng)師的(de)(de)設計配(pei)上負筋(jin)(jin)。

樓(lou)承(cheng)板鍍(du)(du)(du)鋅(xin)(xin)(xin)首要(yao)起到防(fang)腐的(de)效果，按標準組(zu)合(he)樓(lou)板與非組(zu)合(he)樓(lou)板壓(ya)型鋼(gang)(gang)板應選(xuan)用(yong)熱鍍(du)(du)(du)鋅(xin)(xin)(xin)，不該(gai)選(xuan)用(yong)電鍍(du)(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)板，其雙(shuang)面(mian)鍍(du)(du)(du)鋅(xin)(xin)(xin)層(ceng)(ceng)總含量(liang)(liang)(liang)要(yao)滿足在(zai)使(shi)用(yong)期間(jian)不致銹損的(de)要(yao)求。當(dang)作為(wei)(wei)非組(zu)合(he)樓(lou)承(cheng)板時(shi)，鍍(du)(du)(du)鋅(xin)(xin)(xin)層(ceng)(ceng)含量(liang)(liang)(liang)可選(xuan)用(yong)較(jiao)(jiao)低值(zhi);當(dang)為(wei)(wei)組(zu)合(he)樓(lou)承(cheng)板時(shi)，鍍(du)(du)(du)鋅(xin)(xin)(xin)層(ceng)(ceng)含量(liang)(liang)(liang)不該(gai)小(xiao)于150g/m2。當(dang)為(wei)(wei)組(zu)合(he)樓(lou)板且(qie)使(shi)用(yong)環境條件較(jiao)(jiao)為(wei)(wei)惡(e)劣時(shi)，鍍(du)(du)(du)鋅(xin)(xin)(xin)層(ceng)(ceng)含量(liang)(liang)(liang)應選(xuan)用(yong)上限值(zhi)或更(geng)高(gao)值(zhi)。更(geng)高(gao)的(de)鍍(du)(du)(du)鋅(xin)(xin)(xin)要(yao)求，如雙(shuang)面(mian)鍍(du)(du)(du)鋅(xin)(xin)(xin)量(liang)(liang)(liang)為(wei)(wei)300g/m2、350g/m2或鍍(du)(du)(du)鋁鋅(xin)(xin)(xin)(5%鋁)275g/m2、300g/m2等，較(jiao)(jiao)高(gao)的(de)鍍(du)(du)(du)層(ceng)(ceng)量(liang)(liang)(liang)使(shi)組(zu)合(he)樓(lou)板有更(geng)長(chang)耐久性(xing)，同等量(liang)(liang)(liang)的(de)鍍(du)(du)(du)鋁鋅(xin)(xin)(xin)的(de)防(fang)銹蝕才能(neng)大約兩倍于一般熱鍍(du)(du)(du)鋅(xin)(xin)(xin)。鍍(du)(du)(du)鋅(xin)(xin)(xin)量(liang)(liang)(liang)也不是越厚越好，當(dang)鍍(du)(du)(du)鋅(xin)(xin)(xin)量(liang)(liang)(liang)較(jiao)(jiao)厚時(shi)，抗剪連(lian)接(jie)件栓釘的(de)焊(han)接(jie)質(zhi)量(liang)(liang)(liang)就很難保證，焊(han)接(jie)時(shi)，宜選(xuan)用(yong)局部(bu)除鋅(xin)(xin)(xin)處理措施。

我國建筑業中，噪聲污染問題久為人們所詬病。深圳白鐵輕型樓承板的應用使得土建建筑物局面被打破，集環境破壞及污染少、材料回收和利用率高、符合可持續發展要求等眾多優點于一身的樓承板建筑應運而生，逐步被人們所接受。白鐵價格輕型樓(lou)承(cheng)板是近十年(nian)來發(fa)展(zhan)較快的(de)(de)領域，在采用輕型樓(lou)承(cheng)板占非住宅建筑投(tou)資的(de)(de)50%以上。這種結(jie)構(gou)工業化(hua)、商品化(hua)程(cheng)度高(gao)，施工快，綜合(he)效益高(gao)，市(shi)場需求量(liang)很大(da)，已(yi)引(yin)起結(jie)構(gou)設計人員(yuan)認(ren)識。樓(lou)承(cheng)板的(de)(de)研究開發(fa)已(yi)在各地試點，是輕鋼發(fa)展(zhan)的(de)(de)一個重要方向，目前已(yi)經(jing)有(you)多種的(de)(de)低層(ceng)、多層(ceng)和(he)高(gao)層(ceng)的(de)(de)設計方案和(he)實(shi)例。

重慶鍍(du)(du)鋅(xin)卷(juan)主要(yao)有(you)(you)(you)：脫落、劃傷(shang)、鈍化(hua)斑(ban)(ban)、鋅(xin)粒、厚邊、氣(qi)(qi)刀條痕(hen)、氣(qi)(qi)刀刮痕(hen)、露(lu)鋼、夾雜(za)、機械損傷(shang)、鋼基性能(neng)不良、浪邊、瓢曲(qu)、尺寸不合(he)、壓印(yin)、鋅(xin)層(ceng)厚度不合(he)、輥印(yin)等。鋅(xin)層(ceng)脫落的主要(yao)原因有(you)(you)(you)：表(biao)面(mian)氧化(hua)、有(you)(you)(you)硅化(hua)合(he)物(wu)、冷扎乳化(hua)液太(tai)臟、NOF段(duan)氧化(hua)氣(qi)(qi)氛及保(bao)護氣(qi)(qi)體露(lu)點太(tai)高(gao)、空燃比不合(he)理、氫氣(qi)(qi)流量偏(pian)(pian)低(di)(di)、爐(lu)子有(you)(you)(you)氧滲入(ru)，帶鋼入(ru)鍋(guo)溫度偏(pian)(pian)低(di)(di)，RWP段(duan)爐(lu)壓偏(pian)(pian)低(di)(di)及爐(lu)門吸風、NOF段(duan)爐(lu)溫偏(pian)(pian)低(di)(di)，油脂蒸發不盡、鋅(xin)鍋(guo)鋁含量偏(pian)(pian)低(di)(di)、機組速度太(tai)快、還原不充分、鋅(xin)液中停留時間太(tai)短、鍍(du)(du)層(ceng)偏(pian)(pian)厚。白(bai)銹和黑(hei)斑(ban)(ban)產生的原因有(you)(you)(you)：黑(hei)斑(ban)(ban)是白(bai)銹進一步氧化(hua)形成的鍍(du)(du)鋅(xin)板(ban)(ban)的特點與用途。鍍(du)(du)鋅(xin)卷(juan)板(ban)(ban)是以熱軋鋼帶或(huo)冷軋鋼帶為基板(ban)(ban)，經過連(lian)續熱浸鍍(du)(du)鋅(xin)工藝而(er)生產出來的， 產品(pin)具有(you)(you)(you)耐腐蝕強、 表(biao)面(mian)質量好、有(you)(you)(you)利于深加(jia)工、經濟(ji)實(shi)用等特點。

鍍(du)(du)鋅(xin)(xin)(xin)鋼(gang)板按用(yong)(yong)途又可(ke)分為(wei)(wei)一般(ban)用(yong)(yong)、屋頂用(yong)(yong)、建筑外側板用(yong)(yong)、結構(gou)(gou)用(yong)(yong)、瓦壟(long)板用(yong)(yong)、拉伸用(yong)(yong)和深沖用(yong)(yong)等鍍(du)(du)鋅(xin)(xin)(xin)鋼(gang)板。對于(yu)一般(ban)防(fang)保護(hu)用(yong)(yong)鍍(du)(du)層(ceng)，可(ke)以采用(yong)(yong)堿性鋅(xin)(xin)(xin)酸鹽鍍(du)(du)鋅(xin)(xin)(xin)彩色(se)(se)鈍化(hua)工藝。有時為(wei)(wei)了產(chan)品的(de)配色(se)(se)需(xu)要(yao)，也可(ke)以采用(yong)(yong)藍白色(se)(se)鈍化(hua)工藝，比如軍(jun)綠色(se)(se)鈍化(hua)、黑色(se)(se)鈍化(hua)等。為(wei)(wei)提高鋼(gang)管的(de)耐(nai)腐(fu)蝕(shi)(shi)(shi)(shi)性能，對一般(ban)鋼(gang)管進行鍍(du)(du)鋅(xin)(xin)(xin)。鍍(du)(du)鋅(xin)(xin)(xin)卷分熱(re)鍍(du)(du)鋅(xin)(xin)(xin)和電鍍(du)(du)鋅(xin)(xin)(xin)兩種，熱(re)鍍(du)(du)鋅(xin)(xin)(xin)鍍(du)(du)鋅(xin)(xin)(xin)層(ceng)厚，電鍍(du)(du)鋅(xin)(xin)(xin)成本(ben)低，表面不是(shi)很(hen)光滑。吹氧(yang)焊管：用(yong)(yong)作(zuo)煉(lian)鋼(gang)吹氧(yang)用(yong)(yong)管，一般(ban)用(yong)(yong)小口徑的(de)焊接鋼(gang)管，規格由(you)3/8-2寸八(ba)種。用(yong)(yong)08、10、15、20或(huo)者195-Q235的(de)鋼(gang)帶制作(zuo)成的(de)，為(wei)(wei)了防(fang)腐(fu)蝕(shi)(shi)(shi)(shi)，有得進行滲(shen)鋁處理。鍍(du)(du)鋅(xin)(xin)(xin)其防(fang)護(hu)作(zuo)用(yong)(yong)更強(qiang)，抗(kang)腐(fu)蝕(shi)(shi)(shi)(shi)能力強(qiang)。整個(ge)結構(gou)(gou)由(you)鋅(xin)(xin)(xin)，形(xing)成致密的(de)四元結晶(jing)(jing)體，此結晶(jing)(jing)體在鋼(gang)板上形(xing)成一層(ceng)屏(ping)障(zhang)(zhang)， 因(yin)而有效的(de)防(fang)止腐(fu)蝕(shi)(shi)(shi)(shi)因(yin)子穿透。 耐(nai)腐(fu)蝕(shi)(shi)(shi)(shi)性來(lai)自鋅(xin)(xin)(xin)的(de)障(zhang)(zhang)礙層(ceng)保護(hu)功能強(qiang)。