電 話:(曹老師)
電 話:(羅老師)
網 址:i65r1s.cn
地(di) 址(zhi):重慶九龍坡綠云鋼材(cai)市(shi)場A9-293/雙福攀寶鋼材(cai)市(shi)場綠城路
重(zhong)慶樓承板(ban)的(de)(de)鍍(du)(du)(du)鋅(xin)(xin)(xin)量(liang)沒有(you)一個具體的(de)(de)標準,制(zhi)作壓(ya)型(xing)鋼(gang)(gang)板(ban)的(de)(de)冷軋(ya)鋼(gang)(gang)卷須連續熱浸(jin)鍍(du)(du)(du)鋅(xin)(xin)(xin)(或鍍(du)(du)(du)鋁鋅(xin)(xin)(xin)),鍍(du)(du)(du)(鋁)鋅(xin)(xin)(xin)量(liang)視設計要(yao)求而(er)定。樓承板(ban)用(yong)壓(ya)型(xing)鋼(gang)(gang)板(ban)宜選擇熱浸(jin)鍍(du)(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)板(ban)。不允許使用(yong)電(dian)鍍(du)(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)板(ban),電(dian)鍍(du)(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)板(ban)僅在基材表(biao)面(mian)形成保(bao)護(hu)層(ceng),防腐能(neng)力有(you)限。目前市場上(shang)有(you)鍍(du)(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)板(ban)(鍍(du)(du)(du)層(ceng)含鋁5%或55%),在酸性(xing)環境下(xia)的(de)(de)防腐效果由于熱浸(jin)鍍(du)(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)板(ban),但在混凝土(tu)的(de)(de)堿性(xing)條件下(xia),鍍(du)(du)(du)鋁鋅(xin)(xin)(xin)的(de)(de)防腐蝕性(xing)能(neng)低于熱浸(jin)鍍(du)(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)板(ban),且鋁會(hui)和混凝土(tu)發(fa)生(sheng)反(fan)應,并(bing)降低混凝土(tu)與鋼(gang)(gang)板(ban)的(de)(de)粘結性(xing)能(neng)。因此參考國外規范,及(ji)國內外工程,行家壓(ya)型(xing)鋼(gang)(gang)板(ban)不建(jian)議使用(yong)鍍(du)(du)(du)鋁鋅(xin)(xin)(xin)鋼(gang)(gang)板(ban)。
樓(lou)承板(ban)(ban)(ban)能夠(gou)滿足快速施工(gong)的需求(qiu),可(ke)以(yi)在短時間(jian)內搭(da)建起牢固(gu)(gu)的作業平臺,而(er)且還能把多(duo)個樓(lou)承板(ban)(ban)(ban)層(ceng)(ceng)鋪(pu)設壓型鋼(gang)板(ban)(ban)(ban),分層(ceng)(ceng)澆筑混凝(ning)土板(ban)(ban)(ban)的流水施工(gong)作業。可(ke)以(yi)作為(wei)(wei)混凝(ning)土樓(lou)板(ban)(ban)(ban)的受拉鋼(gang)筋,可(ke)以(yi)使樓(lou)板(ban)(ban)(ban)的剛度增(zeng)強(qiang),而(er)且使得(de)鋼(gang)筋和混凝(ning)土的用量明顯減少(shao)。壓型板(ban)(ban)(ban)表面(mian)(mian)壓紋使樓(lou)承板(ban)(ban)(ban)與混凝(ning)土之間(jian)產生大的結合(he)力,使二者形成整體,再配合(he)上加勁(jing)肋(lei),使得(de)有(you)高(gao)強(qiang)承載力。還可(ke)以(yi)作為(wei)(wei)性模板(ban)(ban)(ban),懸(xuan)挑(tiao)的長度可(ke)根(gen)據樓(lou)承板(ban)(ban)(ban)的截面(mian)(mian)特性來定(ding)。為(wei)(wei)了(le)防止懸(xuan)挑(tiao)板(ban)(ban)(ban)的開(kai)裂,需在支座處依結構工(gong)程師的設計配上負筋。而(er)且都是(shi)經過固(gu)(gu)定(ding)滅(mie)火系統及耐火構件(jian)質量檢測(ce)(ce)中心的耐火檢測(ce)(ce),具有(you)防火的特性。
熱(re)(re)(re)鍍(du)(du)鋅(xin)(xin)(xin)(xin)板和電(dian)鍍(du)(du)鋅(xin)(xin)(xin)(xin)板在鍍(du)(du)鋅(xin)(xin)(xin)(xin)量(liang)上有很(hen)大(da)(da)(da)(da)的(de)(de)(de)差別,就像山東彩涂(tu)卷)。熱(re)(re)(re)鍍(du)(du)鋅(xin)(xin)(xin)(xin)的(de)(de)(de)鍍(du)(du)鋅(xin)(xin)(xin)(xin)量(liang)不可(ke)能太小(xiao)(xiao),一般(ban)較小(xiao)(xiao)為雙面50~60g/m2,較大(da)(da)(da)(da)可(ke)達600g/m2。電(dian)鍍(du)(du)鋅(xin)(xin)(xin)(xin)板的(de)(de)(de)鍍(du)(du)鋅(xin)(xin)(xin)(xin)層(ceng)可(ke)以很(hen)薄,較小(xiao)(xiao)達15g/m2,但要求鍍(du)(du)層(ceng)較厚的(de)(de)(de)話則生(sheng)產(chan)線速度(du)很(hen)慢,不適應(ying)現代化(hua)機(ji)組的(de)(de)(de)工藝特點,一般(ban)較大(da)(da)(da)(da)為lO0g/m2左(zuo)右。正(zheng)因為如此,電(dian)鍍(du)(du)鋅(xin)(xin)(xin)(xin)板的(de)(de)(de)生(sheng)產(chan)受(shou)到很(hen)大(da)(da)(da)(da)的(de)(de)(de)限制。工一般(ban)電(dian)鍍(du)(du)鋅(xin)(xin)(xin)(xin)比較多(duo),適用于小(xiao)(xiao)部件;熱(re)(re)(re)鍍(du)(du)鋅(xin)(xin)(xin)(xin)一般(ban)用于電(dian)力設備和構件,適用于大(da)(da)(da)(da)的(de)(de)(de)部件和設備。當然他們(men)的(de)(de)(de)價格也相(xiang)對便宜一些。建(jian)設部已正(zheng)式下文,淘汰技(ji)術落后的(de)(de)(de)冷鍍(du)(du)鋅(xin)(xin)(xin)(xin)管(guan),不準用冷鍍(du)(du)鋅(xin)(xin)(xin)(xin)管(guan)作水、煤(mei)氣管(guan)。
樓承板價格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。攀鋼樓承板價格按(an)生(sheng)產及(ji)加工方法(fa)可分(fen)為以下(xia)幾類:熱浸(jin)鍍鋅(xin)(xin)鋼板(ban)(ban)。將薄(bo)鋼板(ban)(ban)浸(jin)入熔 微(wei)商貨源解的(de)鋅(xin)(xin)槽(cao)中,使其(qi)表面粘附一層鋅(xin)(xin)的(de)薄(bo)鋼板(ban)(ban)。目(mu)前(qian)主要采用連(lian)續(xu)(xu)鍍鋅(xin)(xin)工藝(yi)生(sheng)產,即把成卷(juan)的(de)鋼板(ban)(ban)連(lian)續(xu)(xu)浸(jin)在(zai)(zai)熔解有鋅(xin)(xin)的(de)鍍槽(cao)中制(zhi)成鍍鋅(xin)(xin)鋼板(ban)(ban);合金化鍍鋅(xin)(xin)鋼板(ban)(ban)。這種鋼板(ban)(ban)也是用熱浸(jin)法(fa)制(zhi)造(zao),但在(zai)(zai)出槽(cao)后(hou),立即把它加熱到500℃左右,使其(qi)生(sheng)成鋅(xin)(xin)和(he)鐵的(de)合金被膜。這種鍍鋅(xin)(xin)板(ban)(ban)具有良好的(de)涂料的(de)密著(zhu)性(xing)和(he)焊接性(xing)。
樓(lou)(lou)承(cheng)(cheng)(cheng)板鋼結構柱網間距一般5~9.0m×8~15m,次(ci)梁間距3m,而(er)樓(lou)(lou)承(cheng)(cheng)(cheng)板下(xia)料(liao)(liao)長度為4.97~8.97m,運輸與安裝(zhuang)均較困難(nan),尤其(qi)是(shi)帶由(you)圓弧區垂(chui)(chui)直(zhi)吊(diao)(diao)裝(zhuang)樓(lou)(lou)承(cheng)(cheng)(cheng)板,由(you)上(shang)而(er)下(xia)在(zai)次(ci)梁狹間穿(chuan)套比較困難(nan),且打亂了(le)次(ci)梁焊接正常工序。控制下(xia)料(liao)(liao)長度為3~6m,則可避免垂(chui)(chui)直(zhi)運輸時(shi)在(zai)次(ci)梁間無法吊(diao)(diao)運的問題。 樓(lou)(lou)承(cheng)(cheng)(cheng)板吊(diao)(diao)運時(shi)采(cai)用(yong)專用(yong)軟吊(diao)(diao)索。每次(ci)吊(diao)(diao)裝(zhuang)時(shi)應(ying)檢查軟吊(diao)(diao)索是(shi)否有撕裂、割斷(duan)現(xian)象。樓(lou)(lou)承(cheng)(cheng)(cheng)板擱置在(zai)鋼梁上(shang)時(shi)應(ying)防止探頭。鋪(pu)料(liao)(liao)時(shi)操作人員(yuan)應(ying)系帶,并保證邊(bian)(bian)鋪(pu)設邊(bian)(bian)固定在(zai)周邊(bian)(bian)繩上(shang)。 焊接采(cai)用(yong)熔透點(dian)焊連接,施焊前應(ying)準備邊(bian)(bian)角(jiao)料(liao)(liao)引(yin)弧試(shi)焊,調整(zheng)施焊電流(liu).因樓(lou)(lou)承(cheng)(cheng)(cheng)板底部無水平模板及垂(chui)(chui)直(zhi)支撐,澆筑混(hun)凝土時(shi)布料(liao)(liao)不(bu)宜太集(ji)中(zhong),采(cai)用(yong)平板振搗(dao)器及時(shi)分攤振搗(dao)。