電 話:(曹老師)
電 話:(羅老師)
網(wang) 址:i65r1s.cn
地 址:重(zhong)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(lu)
麗江鍍鋅鋼板近期鋼價延續低迷,隨著通國規模的酷暑和旱季到來,熱鍍鋅卷板價格商場逐漸進入需要旺季,海內鋼鐵商場或將窄幅調整。在決策層兩手抓制度措施落實狀況、貨銀本位度定向寬松力度加大的直觀層面利好牽動下,商場信念逐漸趨穩,短期海內鋼價無望止跌企穩;另一上面,以后鋼價殺跌電能有余,而上漲也仍然屏障重重。鍍鋅鋼板批發熱鍍(du)鋅(xin)卷板價格價錢或將(jiang)長期在于低位運行場面。
樓(lou)承(cheng)(cheng)板(ban)(ban)(ban)(ban)適應主(zhu)體鋼結(jie)構(gou)快速施工的要(yao)求,能夠在短時(shi)間內提供堅定(ding)的作(zuo)業平臺,并(bing)可采用(yong)多個樓(lou)層鋪設壓(ya)型(xing)(xing)鋼板(ban)(ban)(ban)(ban),分層澆筑(zhu)混(hun)凝土(tu)板(ban)(ban)(ban)(ban)的流水施工。在使(shi)用(yong)階段樓(lou)承(cheng)(cheng)板(ban)(ban)(ban)(ban)作(zuo)為混(hun)凝土(tu)樓(lou)板(ban)(ban)(ban)(ban)的受拉鋼筋,也(ye)提高了樓(lou)板(ban)(ban)(ban)(ban)的剛(gang)度,節(jie)省了鋼筋和(he)(he)混(hun)凝土(tu)的用(yong)量。樓(lou)承(cheng)(cheng)板(ban)(ban)(ban)(ban)上(shang)面(mian)可以(yi)鋪設保溫(wen),隔(ge)音,隔(ge)熱,隔(ge)振等材料。樓(lou)面(mian)性能充(chong)分發揮鋼的良好的抗拉強(qiang)度和(he)(he)延性及混(hun)凝土(tu)優良的抗壓(ya)強(qiang)度和(he)(he)較大(da)的剛(gang)度。壓(ya)型(xing)(xing)板(ban)(ban)(ban)(ban)表面(mian)壓(ya)紋使(shi)樓(lou)承(cheng)(cheng)板(ban)(ban)(ban)(ban)與(yu)混(hun)凝土(tu)之間產生大(da)的結(jie)合力,使(shi)二(er)者形成整體,配以(yi)加勁肋,使(shi)樓(lou)承(cheng)(cheng)板(ban)(ban)(ban)(ban)系統具有高強(qiang)承(cheng)(cheng)載力。在懸臂條(tiao)件下(xia),樓(lou)承(cheng)(cheng)板(ban)(ban)(ban)(ban)僅作(zuo)為性模板(ban)(ban)(ban)(ban)。懸挑的長度可根據樓(lou)承(cheng)(cheng)板(ban)(ban)(ban)(ban)的截面(mian)特性來定(ding)。為了防止懸挑板(ban)(ban)(ban)(ban)的開裂,需在支座(zuo)處依結(jie)構(gou)工程師的設計配上(shang)負筋。
鍍(du)鋅鋼(gang)板(ban)(ban)按用(yong)(yong)(yong)(yong)(yong)(yong)途(tu)又(you)可(ke)分為(wei)一般用(yong)(yong)(yong)(yong)(yong)(yong)、屋(wu)頂用(yong)(yong)(yong)(yong)(yong)(yong)、建筑(zhu)外(wai)側板(ban)(ban)用(yong)(yong)(yong)(yong)(yong)(yong)、結構用(yong)(yong)(yong)(yong)(yong)(yong)、瓦壟(long)板(ban)(ban)用(yong)(yong)(yong)(yong)(yong)(yong)、拉伸用(yong)(yong)(yong)(yong)(yong)(yong)和深沖(chong)用(yong)(yong)(yong)(yong)(yong)(yong)等鍍(du)鋅鋼(gang)板(ban)(ban)。熱(re)鍍(du)鋅板(ban)(ban)主要(yao)應用(yong)(yong)(yong)(yong)(yong)(yong)于建筑(zhu)外(wai)用(yong)(yong)(yong)(yong)(yong)(yong),建筑(zhu)內用(yong)(yong)(yong)(yong)(yong)(yong),民用(yong)(yong)(yong)(yong)(yong)(yong),門窗,家具,機(ji)械,電子(zi)及家用(yong)(yong)(yong)(yong)(yong)(yong)電器(qi)等領域。也有機(ji)箱(xiang)(xiang)用(yong)(yong)(yong)(yong)(yong)(yong)這(zhe)個,不(bu)(bu)過熱(re)鍍(du)鋅板(ban)(ban)不(bu)(bu)放輻射的(de)。空調,冰箱(xiang)(xiang),微波爐及其(qi)類似家電背面的(de)那個板(ban)(ban)就(jiu)是熱(re)鍍(du)鋅板(ban)(ban)。鍍(du)鋅層通過鈍化處理,可(ke)減少潮溫貯運(yun)條件下產(chan)(chan)生折(zhe)銹蝕(白銹) 。但(dan)這(zhe)種(zhong)化學處理的(de)防(fang)腐(fu)蝕性能是有限的(de),而且(qie),妨礙大多(duo)數涂料的(de)附著性。這(zhe)種(zhong)處理一般不(bu)(bu)用(yong)(yong)(yong)(yong)(yong)(yong)在(zai)鋅鐵合金(jin)鍍(du)層,除光整表面外(wai),作為(wei)常(chang)規(gui),生產(chan)(chan)廠對其(qi)他類型的(de)鍍(du)鋅層均進行鈍化處理。
重(zhong)慶樓(lou)承(cheng)板(ban)的(de)鍍(du)鋅(xin)(xin)(xin)量(liang)沒有(you)一(yi)個具體的(de)標準(zhun),制作(zuo)壓型(xing)鋼(gang)(gang)(gang)(gang)板(ban)的(de)冷軋(ya)鋼(gang)(gang)(gang)(gang)卷(juan)須連續熱(re)(re)浸(jin)鍍(du)鋅(xin)(xin)(xin)(或(huo)鍍(du)鋁鋅(xin)(xin)(xin)),鍍(du)(鋁)鋅(xin)(xin)(xin)量(liang)視設計要求(qiu)而(er)定。樓(lou)承(cheng)板(ban)用(yong)壓型(xing)鋼(gang)(gang)(gang)(gang)板(ban)宜(yi)選擇熱(re)(re)浸(jin)鍍(du)鋅(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)板(ban)。不(bu)允許(xu)使用(yong)電(dian)鍍(du)鋅(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)板(ban),電(dian)鍍(du)鋅(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)板(ban)僅在基材表面形成保(bao)護層,防腐(fu)(fu)能(neng)(neng)力(li)有(you)限。目前(qian)市場上有(you)鍍(du)鋅(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)板(ban)(鍍(du)層含鋁5%或(huo)55%),在酸性環境(jing)下的(de)防腐(fu)(fu)效果由于熱(re)(re)浸(jin)鍍(du)鋅(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)板(ban),但在混凝(ning)土(tu)的(de)堿性條件(jian)下,鍍(du)鋁鋅(xin)(xin)(xin)的(de)防腐(fu)(fu)蝕(shi)性能(neng)(neng)低(di)于熱(re)(re)浸(jin)鍍(du)鋅(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)板(ban),且(qie)鋁會(hui)和混凝(ning)土(tu)發生反應(ying),并降低(di)混凝(ning)土(tu)與鋼(gang)(gang)(gang)(gang)板(ban)的(de)粘結性能(neng)(neng)。因此參考(kao)國外規范(fan),及國內外工程,行(xing)家(jia)壓型(xing)鋼(gang)(gang)(gang)(gang)板(ban)不(bu)建(jian)議(yi)使用(yong)鍍(du)鋁鋅(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)板(ban)。