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鍍(du)鋅(xin)(xin)(xin)鋼(gang)板(ban)(ban)(ban)為基板(ban)(ban)(ban)的(de)彩(cai)涂(tu)(tu)鋼(gang)板(ban)(ban)(ban),除有(you)鋅(xin)(xin)(xin)保護外(wai),鋅(xin)(xin)(xin)層(ceng)上(shang)的(de)有(you)機(ji)涂(tu)(tu)層(ceng)起了覆蓋隔離作用(yong),可防止鋼(gang)板(ban)(ban)(ban)生銹,使(shi)用(yong)壽命比鍍(du)鋅(xin)(xin)(xin)鋼(gang)板(ban)(ban)(ban)更長(chang),據介紹涂(tu)(tu)層(ceng)鋼(gang)板(ban)(ban)(ban)的(de)使(shi)用(yong)壽命比鍍(du)鋅(xin)(xin)(xin)鋼(gang)板(ban)(ban)(ban)長(chang)50%。在(zai)連續(xu)機(ji)組上(shang)以(yi)冷(leng)軋帶鋼(gang),鍍(du)鋅(xin)(xin)(xin)帶鋼(gang)(電鍍(du)鋅(xin)(xin)(xin)和(he)熱鍍(du)鋅(xin)(xin)(xin))為基板(ban)(ban)(ban),經(jing)過表面預處理(脫(tuo)脂和(he)化學(xue)處理),用(yong)輥涂(tu)(tu)的(de)方法,涂(tu)(tu)上(shang)一層(ceng)或(huo)多層(ceng)液態涂(tu)(tu)料,經(jing)過烘烤和(he)冷(leng)卻所得的(de)板(ban)(ban)(ban)材(cai)即為涂(tu)(tu)層(ceng)鋼(gang)板(ban)(ban)(ban)。由(you)于(yu)涂(tu)(tu)層(ceng)可以(yi)有(you)各種不同的(de)顏色,習慣上(shang)把(ba)涂(tu)(tu)層(ceng)鋼(gang)板(ban)(ban)(ban)叫做(zuo)彩(cai)色涂(tu)(tu)層(ceng)鋼(gang)板(ban)(ban)(ban)。又由(you)于(yu)涂(tu)(tu)層(ceng)是(shi)在(zai)鋼(gang)板(ban)(ban)(ban)成型加工之前進行的(de),在(zai)國外(wai)這(zhe)叫做(zuo)預涂(tu)(tu)層(ceng)鋼(gang)板(ban)(ban)(ban)。
樓(lou)(lou)承(cheng)板(ban)(ban)(ban)(ban)(ban)鋼(gang)(gang)筋(jin)(jin)(jin)桁(heng)(heng)(heng)(heng)架是將(jiang)樓(lou)(lou)板(ban)(ban)(ban)(ban)(ban)中(zhong)的(de)(de)鋼(gang)(gang)筋(jin)(jin)(jin)在工(gong)廠采用(yong)(yong)進(jin)口設備加(jia)工(gong)成(cheng)鋼(gang)(gang)筋(jin)(jin)(jin)桁(heng)(heng)(heng)(heng)架,并將(jiang)鋼(gang)(gang)筋(jin)(jin)(jin)桁(heng)(heng)(heng)(heng)架與(yu)(yu)鍍鋅鋼(gang)(gang)板(ban)(ban)(ban)(ban)(ban)在工(gong)廠焊(han)接(jie)(jie)成(cheng)一(yi)體的(de)(de)組合(he)模板(ban)(ban)(ban)(ban)(ban),使其在施工(gong)階段可作為(wei)鋼(gang)(gang)梁的(de)(de)側向(xiang)支撐使用(yong)(yong)!樓(lou)(lou)板(ban)(ban)(ban)(ban)(ban)連接(jie)(jie)采用(yong)(yong)扣合(he)方(fang)式,板(ban)(ban)(ban)(ban)(ban)與(yu)(yu)板(ban)(ban)(ban)(ban)(ban)之間的(de)(de)拉鉤連接(jie)(jie)應緊(jin)密,保(bao)證澆筑混凝土時(shi)不(bu)漏漿,同時(shi)注(zhu)(zhu)意(yi)排板(ban)(ban)(ban)(ban)(ban)方(fang)向(xiang)要(yao)一(yi)致(zhi),桁(heng)(heng)(heng)(heng)架節點(dian)間距為(wei)200㎜,注(zhu)(zhu)意(yi)不(bu)同模板(ban)(ban)(ban)(ban)(ban)的(de)(de)橫(heng)向(xiang)節點(dian)要(yao)對齊。我們仔細觀察的(de)(de)話會發現(xian)很多(duo)高(gao)層(ceng)建筑上都(dou)會設置(zhi)鋼(gang)(gang)筋(jin)(jin)(jin)桁(heng)(heng)(heng)(heng)架樓(lou)(lou)承(cheng)板(ban)(ban)(ban)(ban)(ban),我們雖然經常用(yong)(yong)到該樓(lou)(lou)承(cheng)板(ban)(ban)(ban)(ban)(ban),但很少有人知道(dao)這種(zhong)板(ban)(ban)(ban)(ban)(ban)材為(wei)什么會用(yong)(yong)于高(gao)層(ceng)建筑中(zhong)。下面(mian)小編將(jiang)為(wei)您(nin)介紹一(yi)下該板(ban)(ban)(ban)(ban)(ban)材在高(gao)層(ceng)建筑中(zhong)的(de)(de)使用(yong)(yong)優勢(shi)!鋼(gang)(gang)筋(jin)(jin)(jin)樓(lou)(lou)承(cheng)板(ban)(ban)(ban)(ban)(ban)的(de)(de)搭(da)(da)接(jie)(jie)是有著嚴格的(de)(de)施工(gong)要(yao)求的(de)(de),為(wei)保(bao)障樓(lou)(lou)承(cheng)板(ban)(ban)(ban)(ban)(ban)安裝牢固,該板(ban)(ban)(ban)(ban)(ban)材的(de)(de)搭(da)(da)接(jie)(jie)需(xu)要(yao)按照說明書正確進(jin)行,搭(da)(da)接(jie)(jie)過程(cheng)中(zhong)還需(xu)要(yao)注(zhu)(zhu)意(yi),沿順肋方(fang)向(xiang),壓型(xing)鋼(gang)(gang)板(ban)(ban)(ban)(ban)(ban)如果可以滿足正截(jie)面(mian)承(cheng)載力(li)(li)及剪切粘(zhan)結(jie)承(cheng)載力(li)(li)的(de)(de)要(yao)求,可以不(bu)用(yong)(yong)配順肋方(fang)向(xiang)的(de)(de)鋼(gang)(gang)筋(jin)(jin)(jin),這時(shi)候要(yao)注(zhu)(zhu)意(yi)計算剪切粘(zhan)結(jie)承(cheng)載力(li)(li)。
用(yong)電鍍(du)(du)(du)法(fa)制造這種(zhong)鍍(du)(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)(ban)具(ju)有(you)良好的(de)加工性(xing)。但鍍(du)(du)(du)層(ceng)(ceng)較薄,耐腐蝕性(xing)不如熱(re)浸(jin)法(fa)鍍(du)(du)(du)鋅(xin)(xin)(xin)板(ban)(ban)(ban)(ban);單面(mian)(mian)(mian)鍍(du)(du)(du)和(he)雙面(mian)(mian)(mian)差(cha)鍍(du)(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)(ban)。單面(mian)(mian)(mian)鍍(du)(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)(ban),即(ji)只在一(yi)面(mian)(mian)(mian)鍍(du)(du)(du)鋅(xin)(xin)(xin)的(de)產品。在焊接(jie)、涂(tu)裝、防(fang)銹處理(li)、加工等(deng)方面(mian)(mian)(mian),具(ju)有(you)比雙面(mian)(mian)(mian)鍍(du)(du)(du)鋅(xin)(xin)(xin)板(ban)(ban)(ban)(ban)好的(de)適應性(xing)。為克服單面(mian)(mian)(mian)未涂(tu)鋅(xin)(xin)(xin)的(de)缺(que)點,又有(you)一(yi)種(zhong)在另(ling)面(mian)(mian)(mian)涂(tu)以薄層(ceng)(ceng)鋅(xin)(xin)(xin)的(de)鍍(du)(du)(du)鋅(xin)(xin)(xin)板(ban)(ban)(ban)(ban),即(ji)雙面(mian)(mian)(mian)差(cha)鍍(du)(du)(du)鋅(xin)(xin)(xin)板(ban)(ban)(ban)(ban);合(he)金、復合(he)鍍(du)(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)(ban)。它是用(yong)鋅(xin)(xin)(xin)和(he)其(qi)他金屬如鉛、鋅(xin)(xin)(xin)制成(cheng)合(he)金乃(nai)至復合(he)鍍(du)(du)(du)成(cheng)的(de)鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)(ban)。這種(zhong)鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)(ban)既具(ju)有(you)防(fang)銹性(xing)能,又有(you)良好的(de)涂(tu)裝性(xing)能。 除上述五(wu)種(zhong)外,還有(you)彩色鍍(du)(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)(ban)、印花涂(tu)裝鍍(du)(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)(ban)、聚(ju)氯(lv)乙烯(xi)疊(die)層(ceng)(ceng)鍍(du)(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)(ban)等(deng)。但目前(qian)常用(yong)的(de)仍(reng)為熱(re)浸(jin)鍍(du)(du)(du)鋅(xin)(xin)(xin)板(ban)(ban)(ban)(ban)。 鍍(du)(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)(ban)按用(yong)途又可分為一(yi)般用(yong)、屋(wu)頂用(yong)、建筑外側板(ban)(ban)(ban)(ban)用(yong)、結(jie)構用(yong)、瓦壟板(ban)(ban)(ban)(ban)用(yong)、拉伸用(yong)和(he)深沖用(yong)等(deng)鍍(du)(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)(ban)。
永川鍍鋅板重慶樓承板的鍍鋅量沒有一個具體的標準,制作壓型鋼板的冷軋鋼卷須連續熱浸鍍鋅(或鍍鋁鋅),鍍(鋁)鋅量視設計要求而定。鍍鋅板廠家樓承(cheng)板用(yong)(yong)壓(ya)型鋼(gang)(gang)板宜選擇熱浸(jin)(jin)鍍(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)板。不允許使用(yong)(yong)電(dian)鍍(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)板,電(dian)鍍(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)板僅在基材表面形(xing)成(cheng)保護層,防腐能力有限。目(mu)前(qian)市場上有鍍(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)板(鍍(du)(du)層含鋁(lv)(lv)5%或55%),在酸(suan)性環(huan)境下(xia)的(de)防腐效果由于熱浸(jin)(jin)鍍(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)板,但(dan)在混凝土的(de)堿性條件下(xia),鍍(du)(du)鋁(lv)(lv)鋅(xin)(xin)(xin)的(de)防腐蝕性能低(di)于熱浸(jin)(jin)鍍(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)板,且鋁(lv)(lv)會(hui)和混凝土發生反應,并降低(di)混凝土與鋼(gang)(gang)板的(de)粘(zhan)結性能。因此參(can)考國外(wai)規(gui)范(fan),及國內外(wai)工程(cheng),行家壓(ya)型鋼(gang)(gang)板不建議使用(yong)(yong)鍍(du)(du)鋁(lv)(lv)鋅(xin)(xin)(xin)鋼(gang)(gang)板。