樓(lou)承(cheng)板(ban)(ban)(ban)(ban)習慣主體鋼(gang)(gang)結構快速施(shi)工(gong)的(de)(de)(de)(de)(de)要求，能(neng)夠在短時間內提供(gong)堅(jian)定的(de)(de)(de)(de)(de)作業(ye)渠道，并(bing)可采(cai)用多個(ge)樓(lou)層鋪(pu)設壓型鋼(gang)(gang)板(ban)(ban)(ban)(ban)，分層澆筑混(hun)凝(ning)(ning)土(tu)(tu)板(ban)(ban)(ban)(ban)的(de)(de)(de)(de)(de)流水施(shi)工(gong)。在運(yun)用階段樓(lou)承(cheng)板(ban)(ban)(ban)(ban)作為混(hun)凝(ning)(ning)土(tu)(tu)樓(lou)板(ban)(ban)(ban)(ban)的(de)(de)(de)(de)(de)受拉鋼(gang)(gang)筋，也提高(gao)(gao)了(le)樓(lou)板(ban)(ban)(ban)(ban)的(de)(de)(de)(de)(de)剛度(du)，節(jie)省了(le)鋼(gang)(gang)筋和(he)混(hun)凝(ning)(ning)土(tu)(tu)的(de)(de)(de)(de)(de)用量。樓(lou)承(cheng)板(ban)(ban)(ban)(ban)上面(mian)(mian)(mian)(mian)能(neng)夠鋪(pu)設保溫，隔(ge)音，隔(ge)熱，隔(ge)振(zhen)等(deng)資料(liao)。改進樓(lou)面(mian)(mian)(mian)(mian)性能(neng)充分發揮鋼(gang)(gang)的(de)(de)(de)(de)(de)杰(jie)出的(de)(de)(de)(de)(de)抗(kang)拉強(qiang)(qiang)度(du)和(he)延性及(ji)(ji)混(hun)凝(ning)(ning)土(tu)(tu)優良的(de)(de)(de)(de)(de)抗(kang)壓強(qiang)(qiang)度(du)和(he)較大的(de)(de)(de)(de)(de)剛度(du)。壓型板(ban)(ban)(ban)(ban)表面(mian)(mian)(mian)(mian)壓紋使樓(lou)承(cheng)板(ban)(ban)(ban)(ban)與混(hun)凝(ning)(ning)土(tu)(tu)之間產生大的(de)(de)(de)(de)(de)結合(he)力，使二者形成整體，配(pei)以加(jia)勁肋(lei)，使樓(lou)承(cheng)板(ban)(ban)(ban)(ban)體系具有高(gao)(gao)強(qiang)(qiang)承(cheng)載(zai)力。在懸(xuan)(xuan)臂條件下，樓(lou)承(cheng)板(ban)(ban)(ban)(ban)僅作為性模板(ban)(ban)(ban)(ban)。懸(xuan)(xuan)挑(tiao)的(de)(de)(de)(de)(de)長度(du)可根據樓(lou)承(cheng)板(ban)(ban)(ban)(ban)的(de)(de)(de)(de)(de)截面(mian)(mian)(mian)(mian)特性來定。為了(le)避(bi)免懸(xuan)(xuan)挑(tiao)板(ban)(ban)(ban)(ban)的(de)(de)(de)(de)(de)開裂，需在支(zhi)座處(chu)依結構工(gong)程師的(de)(de)(de)(de)(de)規劃配(pei)上負筋。本公司樓(lou)承(cheng)板(ban)(ban)(ban)(ban)已通過國家(jia)固(gu)定救活體系及(ji)(ji)耐火構件質量檢(jian)測中心的(de)(de)(de)(de)(de)耐火檢(jian)測，作為組合(he)樓(lou)承(cheng)板(ban)(ban)(ban)(ban)無需防火噴涂，因而(er)大大降(jiang)低了(le)工(gong)程造價(jia)。

重慶樓(lou)(lou)(lou)(lou)承(cheng)板分兩(liang)種。一(yi)種是把樓(lou)(lou)(lou)(lou)承(cheng)板當(dang)做承(cheng)受拉力的(de)鋼(gang)(gang)筋計算(suan)(suan)的(de)，另外一(yi)種是僅把樓(lou)(lou)(lou)(lou)承(cheng)板作為(wei)模板計算(suan)(suan)而不參與受力的(de)。做模板計算(suan)(suan)的(de)比較(jiao)簡單，直接按照跨(kua)度頂就行了。2米以下選(xuan)0.8的(de)，2-3米的(de)選(xuan)1.0的(de)。樓(lou)(lou)(lou)(lou)承(cheng)板作為(wei)受力鋼(gang)(gang)筋計算(suan)(suan)，就按照模板的(de)選(xuan)用(yong)樓(lou)(lou)(lou)(lou)承(cheng)板（或者加厚(hou)且(qie)只能加厚(hou)），然后(hou)在(zai)計算(suan)(suan)配筋的(de)時候可(ke)以按照面積減(jian)少(shao)鋼(gang)(gang)筋用(yong)量。樓(lou)(lou)(lou)(lou)承(cheng)板不能單獨計算(suan)(suan)的(de)，它和(he)整個樓(lou)(lou)(lou)(lou)板是一(yi)個體系的(de)。

鍍(du)(du)(du)鋅(xin)(xin)方管(guan)是一種(zhong)具以熱(re)軋或冷(leng)軋鍍(du)(du)(du)鋅(xin)(xin)帶鋼(gang)(gang)或鍍(du)(du)(du)鋅(xin)(xin)卷板(ban)為(wei)坯料(liao)經冷(leng)彎曲加(jia)工(gong)(gong)成(cheng)型(xing)后(hou)再經高頻焊接制成(cheng)的(de)方形截面(mian)形狀尺寸的(de)空心方形的(de)截面(mian)型(xing)鋼(gang)(gang)鋼(gang)(gang)管(guan);或將(jiang)事先做好的(de)冷(leng)彎空心型(xing)鋼(gang)(gang)管(guan)再經熱(re)浸鍍(du)(du)(du)鋅(xin)(xin)加(jia)工(gong)(gong)而成(cheng)的(de)鍍(du)(du)(du)鋅(xin)(xin)方矩(ju)管(guan)。鍍(du)(du)(du)鋅(xin)(xin)卷廠產量隨著國民生活水(shui)平不(bu)斷提(ti)高和城市化建設(she)的(de)不(bu)斷推進，從(cong)現在的(de)1.6億(yi)噸(dun)每(mei)年，增加(jia)到(dao)3億(yi)噸(dun)甚至更(geng)多也(ye)(ye)不(bu)是什么很遙(yao)遠的(de)夢(meng)想。作(zuo)為(wei)煉鋼(gang)(gang)原料(liao)的(de)鐵(tie)礦(kuang)石與廢鋼(gang)(gang)，前(qian)者是不(bu)可(ke)(ke)的(de)資(zi)源，后(hou)者是可(ke)(ke)以循(xun)環利用(yong)的(de)資(zi)源。無論(lun)從(cong)環保角度(du)還是從(cong)鋼(gang)(gang)企的(de)運作(zuo)成(cheng)本上看，廢鋼(gang)(gang)都有著礦(kuang)石所(suo)無法比擬的(de)優勢。發展(zhan)高強(qiang)度(du)熱(re)鍍(du)(du)(du)鋅(xin)(xin)鋼(gang)(gang)板(ban)。隨著汽(qi)車(che)(che)工(gong)(gong)業(ye)逐漸向(xiang)、節能方向(xiang)發展(zhan)，對汽(qi)車(che)(che)用(yong)鍍(du)(du)(du)鋅(xin)(xin)鋼(gang)(gang)板(ban)性能要(yao)求也(ye)(ye)進一步(bu)提(ti)高。為(wei)了汽(qi)車(che)(che)板(ban)的(de)耐腐蝕性，將(jiang)擴(kuo)大(da)熱(re)鍍(du)(du)(du)鋅(xin)(xin)鋼(gang)(gang)板(ban)的(de)使用(yong)率。

鍍(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)板(ban)(ban)按用(yong)(yong)(yong)(yong)(yong)(yong)途(tu)又可(ke)分(fen)為(wei)一(yi)般(ban)用(yong)(yong)(yong)(yong)(yong)(yong)、屋頂用(yong)(yong)(yong)(yong)(yong)(yong)、建(jian)筑外側板(ban)(ban)用(yong)(yong)(yong)(yong)(yong)(yong)、結(jie)(jie)構用(yong)(yong)(yong)(yong)(yong)(yong)、瓦(wa)壟板(ban)(ban)用(yong)(yong)(yong)(yong)(yong)(yong)、拉伸用(yong)(yong)(yong)(yong)(yong)(yong)和(he)深沖用(yong)(yong)(yong)(yong)(yong)(yong)等鍍(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)板(ban)(ban)。對于一(yi)般(ban)防(fang)保(bao)護(hu)用(yong)(yong)(yong)(yong)(yong)(yong)鍍(du)(du)層(ceng)，可(ke)以(yi)采(cai)用(yong)(yong)(yong)(yong)(yong)(yong)堿性(xing)(xing)鋅(xin)(xin)(xin)酸鹽鍍(du)(du)鋅(xin)(xin)(xin)彩色(se)鈍(dun)(dun)化工(gong)藝。有時為(wei)了產(chan)品的(de)(de)配色(se)需要(yao)，也(ye)可(ke)以(yi)采(cai)用(yong)(yong)(yong)(yong)(yong)(yong)藍白色(se)鈍(dun)(dun)化工(gong)藝，比如軍綠色(se)鈍(dun)(dun)化、黑色(se)鈍(dun)(dun)化等。為(wei)提高鋼(gang)(gang)管的(de)(de)耐(nai)腐(fu)蝕性(xing)(xing)能，對一(yi)般(ban)鋼(gang)(gang)管進行鍍(du)(du)鋅(xin)(xin)(xin)。鍍(du)(du)鋅(xin)(xin)(xin)卷(juan)分(fen)熱(re)鍍(du)(du)鋅(xin)(xin)(xin)和(he)電(dian)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(dian)鍍(du)(du)鋅(xin)(xin)(xin)成(cheng)本低，表面不是很光滑。吹氧焊管：用(yong)(yong)(yong)(yong)(yong)(yong)作煉鋼(gang)(gang)吹氧用(yong)(yong)(yong)(yong)(yong)(yong)管，一(yi)般(ban)用(yong)(yong)(yong)(yong)(yong)(yong)小(xiao)口徑的(de)(de)焊接鋼(gang)(gang)管，規格(ge)由3/8-2寸八種。用(yong)(yong)(yong)(yong)(yong)(yong)08、10、15、20或(huo)者195-Q235的(de)(de)鋼(gang)(gang)帶(dai)制作成(cheng)的(de)(de)，為(wei)了防(fang)腐(fu)蝕，有得進行滲鋁處理。鍍(du)(du)鋅(xin)(xin)(xin)其防(fang)護(hu)作用(yong)(yong)(yong)(yong)(yong)(yong)更強(qiang)，抗腐(fu)蝕能力(li)強(qiang)。整(zheng)個(ge)結(jie)(jie)構由鋅(xin)(xin)(xin)，形成(cheng)致密的(de)(de)四元結(jie)(jie)晶體，此結(jie)(jie)晶體在鋼(gang)(gang)板(ban)(ban)上形成(cheng)一(yi)層(ceng)屏障， 因而有效的(de)(de)防(fang)止腐(fu)蝕因子穿透(tou)。 耐(nai)腐(fu)蝕性(xing)(xing)來自鋅(xin)(xin)(xin)的(de)(de)障礙層(ceng)保(bao)護(hu)功能強(qiang)。

鍍鋅管批發鍍鋅是一種經常采用的經濟而有效的防腐方法。鋅產量的一半左右均用于此種工藝。鍍鋅卷是為防止鋼板表面遭受腐蝕延長其使用壽命，在鋼板表面涂以一層金屬鋅，這種涂鋅的鋼板稱為鍍鋅卷。寧夏鍍鋅管鍍(du)(du)鋅(xin)卷主要用(yong)于建(jian)筑、家(jia)電、汽(qi)車、容器、交(jiao)通及(ji)家(jia)業等(deng)(deng)領域。特別是鋼(gang)結構建(jian)筑、汽(qi)車制造(zao)、鋼(gang)板倉制造(zao)等(deng)(deng)行業。耐腐(fu)蝕強、表面質量(liang)好、得利于深(shen)加工、經(jing)濟實用(yong)等(deng)(deng)。有關產品標準(zhun)都列明鍍(du)(du)鋅(xin)卷推薦的(de)標準(zhun)厚(hou)度、長(chang)度和寬度及(ji)其允許偏(pian)差(cha)。鍍(du)(du)鋅(xin)卷厚(hou)度偏(pian)差(cha)一般(ban)在(zai)0.05mm，長(chang)寬偏(pian)差(cha)一般(ban)在(zai)5mm ，板材的(de)厚(hou)度一般(ban)在(zai)0.2-3.2之(zhi)間 。