電 話:(曹老師)
電 話:(羅老師)
網 址:i65r1s.cn
地 址:重慶九龍(long)坡(po)綠云鋼材市場(chang)A9-293/雙福攀寶鋼材市場(chang)綠城路
實現(xian)了(le)機(ji)械(xie)化生產,有利于鋼(gang)筋(jin)(jin)排列間(jian)距均勻(yun)、混(hun)凝土(tu)保護層厚度一致,提(ti)高了(le)樓板(ban)的(de)施工(gong)質量。裝配式鋼(gang)筋(jin)(jin)桁架(jia)樓承板(ban)可(ke)顯著減(jian)少現(xian)場鋼(gang)筋(jin)(jin)綁扎工(gong)程量,加快施工(gong)進(jin)度,增(zeng)加施工(gong)保證,實現(xian)文明施工(gong)。裝配式模板(ban)和連接件拆裝方便,可(ke)多(duo)次重復利用,節約鋼(gang)材,符合國家(jia)節能環保的(de)要求。鋼(gang)構自主研(yan)發(fa)的(de)產品配套自動(dong)化生產設(she)備,大(da)大(da)提(ti)高了(le)勞動(dong)生產率,有效降低了(le)產品成本,并編制(zhi)了(le)產品生產企業標準、設(she)計(ji)手冊和節點(dian)構造(zao)圖集以及施工(gong)手冊。并經過(guo)多(duo)項工(gong)程應用,各項性能可(ke)以滿足現(xian)澆鋼(gang)筋(jin)(jin)混(hun)凝土(tu)樓板(ban)承載力和變(bian)形的(de)要求。
樓承板(ban)鋼結構柱(zhu)網間距一般5~9.0m×8~15m,次梁間距3m,而樓承板(ban)下(xia)料(liao)長(chang)度為4.97~8.97m,運輸(shu)與安裝(zhuang)(zhuang)均(jun)較(jiao)困難,尤其是(shi)帶(dai)由圓(yuan)弧(hu)區垂(chui)直吊(diao)裝(zhuang)(zhuang)樓承板(ban),由上而下(xia)在(zai)(zai)次梁狹(xia)間穿套比較(jiao)困難,且(qie)打(da)亂了次梁焊接正常工序。控制(zhi)下(xia)料(liao)長(chang)度為3~6m,則可避免垂(chui)直運輸(shu)時在(zai)(zai)次梁間無法吊(diao)運的問(wen)題。 樓承板(ban)吊(diao)運時采用(yong)專用(yong)軟吊(diao)索。每次吊(diao)裝(zhuang)(zhuang)時應(ying)檢查軟吊(diao)索是(shi)否(fou)有撕裂、割斷現(xian)象。樓承板(ban)擱置(zhi)在(zai)(zai)鋼梁上時應(ying)防止探頭。鋪(pu)料(liao)時操作(zuo)人員(yuan)應(ying)系帶(dai),并(bing)保(bao)證邊(bian)(bian)鋪(pu)設邊(bian)(bian)固定在(zai)(zai)周(zhou)邊(bian)(bian)繩上。 焊接采用(yong)熔透點焊連接,施(shi)焊前應(ying)準備(bei)邊(bian)(bian)角料(liao)引弧(hu)試焊,調整(zheng)施(shi)焊電流.因樓承板(ban)底(di)部無水平模板(ban)及(ji)垂(chui)直支(zhi)撐,澆筑混(hun)凝土(tu)時布料(liao)不宜太集中,采用(yong)平板(ban)振搗(dao)器及(ji)時分攤(tan)振搗(dao)。
重慶(qing)樓承板(ban)(ban)(ban)(ban)的(de)鍍(du)(du)(du)鋅(xin)量沒(mei)有一個具體(ti)的(de)標準,制(zhi)作壓型(xing)鋼(gang)(gang)板(ban)(ban)(ban)(ban)的(de)冷軋(ya)鋼(gang)(gang)卷須連續熱(re)浸(jin)鍍(du)(du)(du)鋅(xin)(或鍍(du)(du)(du)鋁鋅(xin)),鍍(du)(du)(du)(鋁)鋅(xin)量視設(she)計要求而定(ding)。樓承板(ban)(ban)(ban)(ban)用(yong)壓型(xing)鋼(gang)(gang)板(ban)(ban)(ban)(ban)宜選擇熱(re)浸(jin)鍍(du)(du)(du)鋅(xin)鋼(gang)(gang)板(ban)(ban)(ban)(ban)。不(bu)允許使用(yong)電(dian)鍍(du)(du)(du)鋅(xin)鋼(gang)(gang)板(ban)(ban)(ban)(ban),電(dian)鍍(du)(du)(du)鋅(xin)鋼(gang)(gang)板(ban)(ban)(ban)(ban)僅(jin)在基材表面形成保護層,防腐能力有限。目前市場(chang)上有鍍(du)(du)(du)鋅(xin)鋼(gang)(gang)板(ban)(ban)(ban)(ban)(鍍(du)(du)(du)層含鋁5%或55%),在酸(suan)性環(huan)境下的(de)防腐效果(guo)由于熱(re)浸(jin)鍍(du)(du)(du)鋅(xin)鋼(gang)(gang)板(ban)(ban)(ban)(ban),但(dan)在混(hun)凝土的(de)堿性條件下,鍍(du)(du)(du)鋁鋅(xin)的(de)防腐蝕性能低于熱(re)浸(jin)鍍(du)(du)(du)鋅(xin)鋼(gang)(gang)板(ban)(ban)(ban)(ban),且鋁會(hui)和混(hun)凝土發生反應,并降低混(hun)凝土與鋼(gang)(gang)板(ban)(ban)(ban)(ban)的(de)粘結性能。因(yin)此參考國外(wai)(wai)規范(fan),及(ji)國內外(wai)(wai)工程,行家壓型(xing)鋼(gang)(gang)板(ban)(ban)(ban)(ban)不(bu)建議使用(yong)鍍(du)(du)(du)鋁鋅(xin)鋼(gang)(gang)板(ban)(ban)(ban)(ban)。
近(jin)期(qi)鋼(gang)(gang)價(jia)延續低(di)迷,隨著通國規模的酷暑(shu)和旱季(ji)到來,熱鍍鋅卷(juan)板(ban)價(jia)格商(shang)場逐漸(jian)進入需要旺(wang)季(ji),海內鋼(gang)(gang)鐵商(shang)場或將窄幅調整。在決(jue)策層(ceng)兩手(shou)抓制度(du)措施落(luo)實狀況、貨銀(yin)本位(wei)度(du)定向寬松力度(du)加大的直觀層(ceng)面利(li)好牽動下,商(shang)場信念逐漸(jian)趨(qu)穩,短期(qi)海內鋼(gang)(gang)價(jia)無望止跌(die)企穩;另(ling)一上面,以后(hou)鋼(gang)(gang)價(jia)殺跌(die)電能有(you)余,而上漲也(ye)仍(reng)然屏(ping)障重重。熱鍍鋅卷(juan)板(ban)價(jia)格價(jia)錢或將長期(qi)在于低(di)位(wei)運行場面。
彩涂卷批發鍍鋅鋼板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,這種涂鋅的薄鋼板稱為鍍鋅板。酒鋼彩涂卷批發按生(sheng)產(chan)及加(jia)工方法(fa)可分為以下(xia)幾(ji)類:熱(re)浸(jin)鍍(du)(du)鋅(xin)(xin)鋼(gang)(gang)板。將薄鋼(gang)(gang)板浸(jin)入熔(rong)(rong) 微商貨源(yuan)解的(de)鋅(xin)(xin)槽(cao)中(zhong),使(shi)其(qi)表面粘(zhan)附一層鋅(xin)(xin)的(de)薄鋼(gang)(gang)板。目前主要采用(yong)連續鍍(du)(du)鋅(xin)(xin)工藝生(sheng)產(chan),即把(ba)成(cheng)卷的(de)鋼(gang)(gang)板連續浸(jin)在(zai)熔(rong)(rong)解有鋅(xin)(xin)的(de)鍍(du)(du)槽(cao)中(zhong)制(zhi)成(cheng)鍍(du)(du)鋅(xin)(xin)鋼(gang)(gang)板;合(he)金化(hua)鍍(du)(du)鋅(xin)(xin)鋼(gang)(gang)板。這種鋼(gang)(gang)板也是(shi)用(yong)熱(re)浸(jin)法(fa)制(zhi)造,但在(zai)出槽(cao)后,立即把(ba)它加(jia)熱(re)到(dao)500℃左(zuo)右,使(shi)其(qi)生(sheng)成(cheng)鋅(xin)(xin)和(he)(he)鐵(tie)的(de)合(he)金被膜(mo)。這種鍍(du)(du)鋅(xin)(xin)板具有良好(hao)的(de)涂料的(de)密著(zhu)性和(he)(he)焊接性。