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地 址(zhi):重慶(qing)九龍(long)坡綠(lv)云鋼材市場A9-293/雙福攀(pan)寶(bao)鋼材市場綠(lv)城路
重(zhong)慶鍍(du)鋅(xin)(xin)板(ban)(ban)按生產(chan)及加工方法可分為(wei)以下幾類(lei): 熱浸(jin)鍍(du)鋅(xin)(xin)鋼(gang)(gang)板(ban)(ban)。將薄鋼(gang)(gang)板(ban)(ban)浸(jin)入熔(rong)解(jie)的(de)(de)(de)鋅(xin)(xin)槽中,使(shi)其表面(mian)(mian)(mian)粘附一(yi)層鋅(xin)(xin)的(de)(de)(de)薄鋼(gang)(gang)板(ban)(ban)。目(mu)前主要采(cai)用連續(xu)鍍(du)鋅(xin)(xin)工藝生產(chan),即(ji)把成(cheng)卷(juan)的(de)(de)(de)鋼(gang)(gang)板(ban)(ban)連續(xu)浸(jin)在(zai)熔(rong)解(jie)有(you)鋅(xin)(xin)的(de)(de)(de)鍍(du)槽中制成(cheng)鍍(du)鋅(xin)(xin)鋼(gang)(gang)板(ban)(ban); 合(he)金化鍍(du)鋅(xin)(xin)鋼(gang)(gang)板(ban)(ban)。為(wei)克服單面(mian)(mian)(mian)未涂(tu)鋅(xin)(xin)的(de)(de)(de)缺點,又有(you)一(yi)種(zhong)在(zai)另(ling)面(mian)(mian)(mian)涂(tu)以薄層鋅(xin)(xin)的(de)(de)(de)鍍(du)鋅(xin)(xin)板(ban)(ban),即(ji)雙面(mian)(mian)(mian)差鍍(du)鋅(xin)(xin)板(ban)(ban);合(he)金、復(fu)(fu)合(he)鍍(du)鋅(xin)(xin)鋼(gang)(gang)板(ban)(ban)。它是用鋅(xin)(xin)和其他金屬如鉛、鋅(xin)(xin)制成(cheng)合(he)金乃至復(fu)(fu)合(he)鍍(du)成(cheng)的(de)(de)(de)鋼(gang)(gang)板(ban)(ban)。這種(zhong)鋼(gang)(gang)板(ban)(ban)既具有(you)防銹性能(neng),又有(you)良好(hao)的(de)(de)(de)涂(tu)裝性能(neng)。
實現了機械化(hua)(hua)生產(chan),有利于鋼筋(jin)(jin)排列間距均(jun)勻(yun)、混凝土(tu)保護層厚度一致,提高(gao)了樓(lou)(lou)板(ban)的施工(gong)(gong)質量(liang)。裝(zhuang)(zhuang)配式(shi)鋼筋(jin)(jin)桁架(jia)樓(lou)(lou)承板(ban)可(ke)顯著(zhu)減(jian)少現場鋼筋(jin)(jin)綁扎(zha)工(gong)(gong)程量(liang),加快施工(gong)(gong)進度,增加施工(gong)(gong)保證,實現文明(ming)施工(gong)(gong)。裝(zhuang)(zhuang)配式(shi)模板(ban)和連接件拆裝(zhuang)(zhuang)方便,可(ke)多次重復利用,節(jie)(jie)約鋼材,符合國家節(jie)(jie)能(neng)環保的要求(qiu)。鋼構自主研發的產(chan)品(pin)配套自動(dong)化(hua)(hua)生產(chan)設備,大大提高(gao)了勞動(dong)生產(chan)率(lv),有效降低了產(chan)品(pin)成本,并編制了產(chan)品(pin)生產(chan)企業標準、設計(ji)手(shou)冊和節(jie)(jie)點構造圖集(ji)以(yi)及施工(gong)(gong)手(shou)冊。并經過多項工(gong)(gong)程應用,各(ge)項性(xing)能(neng)可(ke)以(yi)滿(man)足現澆鋼筋(jin)(jin)混凝土(tu)樓(lou)(lou)板(ban)承載(zai)力和變(bian)形的要求(qiu)。
遼寧鍍鋅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。鍍鋅批發樓承板(ban)(ban)(ban)(ban)用壓(ya)型(xing)鋼(gang)(gang)(gang)(gang)(gang)板(ban)(ban)(ban)(ban)宜選擇熱浸(jin)鍍(du)鋅(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)(gang)板(ban)(ban)(ban)(ban)。不允許使用電鍍(du)鋅(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)(gang)板(ban)(ban)(ban)(ban),電鍍(du)鋅(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)(gang)板(ban)(ban)(ban)(ban)僅在基材(cai)表面形成(cheng)保護層,防(fang)腐(fu)能力有限。目前市(shi)場(chang)上有鍍(du)鋅(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(鍍(du)層含鋁(lv)(lv)(lv)(lv)5%或55%),在酸性(xing)環境(jing)下(xia)的防(fang)腐(fu)效果由于(yu)熱浸(jin)鍍(du)鋅(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)(gang)板(ban)(ban)(ban)(ban),但在混(hun)凝土(tu)(tu)的堿性(xing)條件下(xia),鍍(du)鋁(lv)(lv)(lv)(lv)鋅(xin)(xin)(xin)的防(fang)腐(fu)蝕性(xing)能低于(yu)熱浸(jin)鍍(du)鋅(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)(gang)板(ban)(ban)(ban)(ban),且鋁(lv)(lv)(lv)(lv)會和混(hun)凝土(tu)(tu)發生反應,并降低混(hun)凝土(tu)(tu)與鋼(gang)(gang)(gang)(gang)(gang)板(ban)(ban)(ban)(ban)的粘結性(xing)能。因此(ci)參考國外規范,及國內(nei)外工程(cheng),行(xing)家(jia)壓(ya)型(xing)鋼(gang)(gang)(gang)(gang)(gang)板(ban)(ban)(ban)(ban)不建議使用鍍(du)鋁(lv)(lv)(lv)(lv)鋅(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)(gang)板(ban)(ban)(ban)(ban)。
鍍(du)(du)鋅鋼(gang)(gang)板(ban)(ban)為基板(ban)(ban)的(de)(de)(de)彩涂(tu)(tu)(tu)(tu)鋼(gang)(gang)板(ban)(ban),除有鋅保護外(wai),鋅層(ceng)(ceng)上(shang)的(de)(de)(de)有機涂(tu)(tu)(tu)(tu)層(ceng)(ceng)起了覆(fu)蓋隔離(li)作用,可防止鋼(gang)(gang)板(ban)(ban)生銹,使用壽(shou)命比(bi)鍍(du)(du)鋅鋼(gang)(gang)板(ban)(ban)更長(chang)(chang),據介紹(shao)涂(tu)(tu)(tu)(tu)層(ceng)(ceng)鋼(gang)(gang)板(ban)(ban)的(de)(de)(de)使用壽(shou)命比(bi)鍍(du)(du)鋅鋼(gang)(gang)板(ban)(ban)長(chang)(chang)50%。在連續機組上(shang)以冷(leng)軋帶(dai)鋼(gang)(gang),鍍(du)(du)鋅帶(dai)鋼(gang)(gang)(電(dian)鍍(du)(du)鋅和(he)熱鍍(du)(du)鋅)為基板(ban)(ban),經過表面預處(chu)(chu)理(脫(tuo)脂(zhi)和(he)化學處(chu)(chu)理),用輥涂(tu)(tu)(tu)(tu)的(de)(de)(de)方法,涂(tu)(tu)(tu)(tu)上(shang)一層(ceng)(ceng)或多層(ceng)(ceng)液態涂(tu)(tu)(tu)(tu)料,經過烘烤和(he)冷(leng)卻所得的(de)(de)(de)板(ban)(ban)材即(ji)為涂(tu)(tu)(tu)(tu)層(ceng)(ceng)鋼(gang)(gang)板(ban)(ban)。由于涂(tu)(tu)(tu)(tu)層(ceng)(ceng)可以有各種(zhong)不同的(de)(de)(de)顏色,習慣(guan)上(shang)把(ba)涂(tu)(tu)(tu)(tu)層(ceng)(ceng)鋼(gang)(gang)板(ban)(ban)叫(jiao)做彩色涂(tu)(tu)(tu)(tu)層(ceng)(ceng)鋼(gang)(gang)板(ban)(ban)。又由于涂(tu)(tu)(tu)(tu)層(ceng)(ceng)是(shi)在鋼(gang)(gang)板(ban)(ban)成(cheng)型加工之前進行的(de)(de)(de),在國(guo)外(wai)這叫(jiao)做預涂(tu)(tu)(tu)(tu)層(ceng)(ceng)鋼(gang)(gang)板(ban)(ban)。