電 話:(曹老師)
電 話:(羅老師)
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地 址:重慶九(jiu)龍(long)坡綠云(yun)鋼材(cai)市(shi)場(chang)A9-293/雙福攀寶鋼材(cai)市(shi)場(chang)綠城(cheng)路
酒鋼鍍鋅角鋼價格鋼筋桁架樓承板完成了機械化出產,有利于鋼筋擺放距離均勻、混凝土保護層厚度共同,提高了樓板的施工質量。裝配式鋼筋桁架樓承板可明顯削減現場鋼筋綁扎工程量,加速施工進度,添加施工確保,完成文明施工。鍍鋅角鋼價格裝配式模板(ban)和連接件拆(chai)裝便利,可屢次重復(fu)使(shi)用(yong),節(jie)省鋼材(cai),契(qi)合國家節(jie)能環保的要求。鋼構自主研制(zhi)的產(chan)(chan)品(pin)配套自動(dong)化出產(chan)(chan)設(she)備,大(da)大(da)提高了(le)(le)勞動(dong)出產(chan)(chan)率,有(you)用(yong)降(jiang)低了(le)(le)產(chan)(chan)品(pin)成本,并(bing)編制(zhi)了(le)(le)產(chan)(chan)品(pin)出產(chan)(chan)企業規范(fan)、規劃(hua)手(shou)冊和節(jie)點構造(zao)圖集以及施工(gong)(gong)手(shou)冊。該產(chan)(chan)品(pin)經過(guo)浙江大(da)學土木工(gong)(gong)程(cheng)測試中(zhong)心檢(jian)測,并(bing)經過(guo)多(duo)項(xiang)工(gong)(gong)程(cheng)使(shi)用(yong),各項(xiang)功能可以滿(man)意(yi)現澆鋼筋混(hun)凝(ning)土樓板(ban)承(cheng)載力和變形的要求。
鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)鋼板(ban)(ban)(ban)(ban)是為(wei)防止鋼板(ban)(ban)(ban)(ban)表面(mian)遭受腐蝕(shi),延長(chang)其(qi)(qi)使用壽命,在鋼板(ban)(ban)(ban)(ban)表面(mian)涂以一層金屬鋅(xin)(xin)(xin),這(zhe)種涂鋅(xin)(xin)(xin)的(de)(de)(de)薄鋼板(ban)(ban)(ban)(ban)稱為(wei)鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)板(ban)(ban)(ban)(ban)。鋼板(ban)(ban)(ban)(ban)也是用熱(re)浸法(fa)制(zhi)造(zao)(zao),但在出槽后(hou),立(li)即把它加熱(re)到(dao)500℃左(zuo)右,使其(qi)(qi)生(sheng)成(cheng)(cheng)鋅(xin)(xin)(xin)和(he)鐵的(de)(de)(de)合金被(bei)膜。這(zhe)種鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)卷具(ju)有(you)良好(hao)的(de)(de)(de)涂料的(de)(de)(de)密著性(xing)(xing)(xing)和(he)焊(han)(han)接(jie)性(xing)(xing)(xing)。合金化(hua)鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)鋼板(ban)(ban)(ban)(ban)。這(zhe)種鋼板(ban)(ban)(ban)(ban)也是用熱(re)浸法(fa)制(zhi)造(zao)(zao),但在出槽后(hou),立(li)即把它加熱(re)到(dao)500℃左(zuo)右,使其(qi)(qi)生(sheng)成(cheng)(cheng)鋅(xin)(xin)(xin)和(he)鐵的(de)(de)(de)合金被(bei)膜。這(zhe)種鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)板(ban)(ban)(ban)(ban)具(ju)有(you)良好(hao)的(de)(de)(de)涂料的(de)(de)(de)密著性(xing)(xing)(xing)和(he)焊(han)(han)接(jie)性(xing)(xing)(xing)。熱(re)浸鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)鋼板(ban)(ban)(ban)(ban)。將薄鋼板(ban)(ban)(ban)(ban)浸入熔(rong)解(jie)的(de)(de)(de)鋅(xin)(xin)(xin)槽中(zhong)(zhong),使其(qi)(qi)表面(mian)粘(zhan)附一層鋅(xin)(xin)(xin)的(de)(de)(de)薄鋼板(ban)(ban)(ban)(ban)。目前(qian)主要(yao)采用連續鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)工藝(yi)生(sheng)產,即把成(cheng)(cheng)卷的(de)(de)(de)鋼板(ban)(ban)(ban)(ban)連續浸在熔(rong)解(jie)有(you)鋅(xin)(xin)(xin)的(de)(de)(de)鍍(du)(du)(du)(du)槽中(zhong)(zhong)制(zhi)成(cheng)(cheng)鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)鋼板(ban)(ban)(ban)(ban)。合金、復合鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)鋼板(ban)(ban)(ban)(ban)。它是用鋅(xin)(xin)(xin)和(he)其(qi)(qi)他金屬如(ru)鉛、鋅(xin)(xin)(xin)制(zhi)成(cheng)(cheng)合金乃至復合鍍(du)(du)(du)(du)成(cheng)(cheng)的(de)(de)(de)鋼板(ban)(ban)(ban)(ban)。這(zhe)種鋼板(ban)(ban)(ban)(ban)既(ji)具(ju)有(you)防銹性(xing)(xing)(xing)能(neng),又(you)有(you)良好(hao)的(de)(de)(de)涂裝性(xing)(xing)(xing)能(neng)。
熱(re)(re)鍍(du)(du)鋅生產(chan)(chan)發展一直處于滯后(hou)狀態。20世紀(ji)50年代到60年代陸續建(jian)(jian)成了13條單張鋼(gang)板熔劑法熱(re)(re)鍍(du)(du)鋅機(ji)組,能力為10萬(wan)t/a,但因產(chan)(chan)量(liang)低(di)、成本高、質量(liang)差(cha)、污染環境(jing)、經(jing)濟(ji)(ji)效益差(cha)等缺(que)(que)陷已先后(hou)停(ting)、轉產(chan)(chan)。從20世紀(ji)70年代末,我(wo)(wo)國(guo)(guo)才開始建(jian)(jian)造大型寬帶熱(re)(re)鍍(du)(du)鋅機(ji)組。熱(re)(re)鍍(du)(du)鋅帶鋼(gang)在(zai)我(wo)(wo)國(guo)(guo)市場一直是緊缺(que)(que)品種。從20世紀(ji)90年代中(zhong)期以來(lai),每年都要從國(guo)(guo)外進口80-100萬(wan)t左右。隨著國(guo)(guo)內經(jing)濟(ji)(ji)的(de)發展,尤其(qi)是汽車、家電(dian)及建(jian)(jian)筑業的(de)發展,對鍍(du)(du)鋅帶鋼(gang)的(de)需(xu)求(qiu)量(liang)也(ye)大大增加。
熱(re)鍍(du)鋅卷板價(jia)格(ge)(ge)行業統計數(shu)(shu)據(ju)顯示(shi),十一月(yue)國內(nei)粗鋼日(ri)均產(chan)量為兩百零九萬噸,環(huan)比下降3.3%,創出(chu)今年(nian)以來(lai)水平(ping),但(dan)是(shi)當前減產(chan)受到季(ji)節性因(yin)(yin)素支撐(cheng),市(shi)場對數(shu)(shu)據(ju)有效性提(ti)出(chu)質疑。鍍(du)鋅卷工(gong)業品(pin)(pin)而言(yan),近期陸續公布的(de)重要數(shu)(shu)據(ju)中性偏多。但(dan)值(zhi)得注意的(de)是(shi),同年(nian)十一月(yue)熱(re)鍍(du)鋅卷板價(jia)格(ge)(ge)工(gong)業增加值(zhi)和投資(zi)增速放(fang)緩,進一步印證了國內(nei)總需求(qiu)乏(fa)力,工(gong)業復蘇(su)形(xing)勢不(bu)容樂(le)觀。加上未來(lai)經濟結構調整等因(yin)(yin)素,工(gong)業品(pin)(pin)價(jia)格(ge)(ge)反(fan)彈(dan)高度將(jiang)有限。傳統需求(qiu)淡季(ji)效應(ying)(ying)還在持續不(bu)斷地發酵,冬儲(chu)效果不(bu)佳。雖然數(shu)(shu)據(ju)顯示(shi)供(gong)應(ying)(ying)壓力開始減輕,但(dan)是(shi)目(mu)前處于(yu)鋼鐵需求(qiu)淡季(ji),市(shi)場成(cheng)交萎縮,下游采購(gou)遲遲未能(neng)有效跟進,市(shi)場信心(xin)不(bu)足(zu),鍍(du)鋅鋼板貿易商(shang)囤貨現象(xiang)也不(bu)明顯。
要看整個(ge)樓板的(de)厚度(du)來(lai)考慮挑(tiao)選是(shi)用(yong)75波(bo)高系(xi)(xi)(xi)列(lie)(lie)(lie)的(de)仍(reng)是(shi)51波(bo)高系(xi)(xi)(xi)列(lie)(lie)(lie)的(de),沉(chen)默(mo)有(you)40系(xi)(xi)(xi)列(lie)(lie)(lie),46系(xi)(xi)(xi)列(lie)(lie)(lie),60系(xi)(xi)(xi)列(lie)(lie)(lie),65波(bo)高系(xi)(xi)(xi)列(lie)(lie)(lie)。一般(ban)來(lai)說波(bo)高越(yue)低,承載力就越(yue)低,然(ran)后就是(shi)波(bo)峰距離越(yue)大,承載力就越(yue)小(xiao),假如整個(ge)樓板厚度(du)在(zai)10公(gong)分(fen)以內,好(hao)選用(yong)選用(yong)波(bo)高40系(xi)(xi)(xi)列(lie)(lie)(lie),整個(ge)樓板厚度(du)在(zai)10-13公(gong)分(fen)以內,好(hao)選用(yong)50波(bo)高系(xi)(xi)(xi)列(lie)(lie)(lie),在(zai)13公(gong)分(fen)以上(shang),好(hao)選用(yong)75系(xi)(xi)(xi)列(lie)(lie)(lie)。有(you)些人(ren)會問,為(wei)什(shen)么呀?其(qi)實《我國(guo)鋼(gang)筋混凝土修建規范》里有(you)個(ge)要求,鋼(gang)筋上(shang)面(mian)的(de)混泥(ni)土保(bao)護層不(bu)能(neng)低于2.5cm,就是(shi)說樓承板自(zi)身的(de)波(bo)高+鋼(gang)筋網的(de)厚度(du)(一般(ban)2cm)+2.5cm的(de)保(bao)護層≤樓板的(de)厚度(du)。
樓承(cheng)(cheng)板(ban)本身有(you)良好(hao)的(de)(de)延(yan)伸性(xing),自(zi)重(zhong)輕,自(zi)振周期長,較大變形(xing)下能(neng)吸(xi)收(shou)變形(xing)能(neng),結(jie)構(gou)體(ti)系的(de)(de)連接(jie)多(duo)為柔性(xing)連接(jie),圍(wei)護結(jie)構(gou)可隨主體(ti)結(jie)構(gou)發生(sheng)變位,其(qi)抗震性(xing)能(neng)得到了(le)(le)大大提高(gao)。自(zi)重(zhong)減輕也會(hui)增強其(qi)抗震性(xing)能(neng),自(zi)重(zhong)減少(shao)一半,等(deng)同(tong)于降(jiang)低(di)(di)抗震設防(fang)烈度一度,地(di)震作用(yong)(yong)可降(jiang)低(di)(di)30%—40%J,從而(er)減少(shao)了(le)(le)很多(duo)有(you)關抗震的(de)(de)構(gou)造(zao)要求(qiu),降(jiang)低(di)(di)了(le)(le)工程造(zao)價。我國面臨(lin)水土流失、環境污染等(deng)一系列影響(xiang)可持(chi)續發展(zhan)的(de)(de)問題,環保建筑(zhu)(zhu)(zhu)的(de)(de)提出(chu)應運而(er)生(sheng),環保建筑(zhu)(zhu)(zhu)之能(neng)源利用(yong)(yong)高(gao)、環境好(hao)、在(zai)保障人們生(sheng)活的(de)(de)基礎上(shang)消(xiao)耗低(di)(di),使用(yong)(yong)周期長等(deng)。樓承(cheng)(cheng)板(ban)建筑(zhu)(zhu)(zhu)恰恰在(zai)這些方面能(neng)夠(gou)滿足要求(qiu),與其(qi)他(ta)建筑(zhu)(zhu)(zhu)結(jie)構(gou)體(ti)系相比,樓承(cheng)(cheng)板(ban)建筑(zhu)(zhu)(zhu)沒有(you)空氣污染和噪音(yin),也不會(hui)對森林等(deng)資源造(zao)成破壞,并且(qie)建筑(zhu)(zhu)(zhu)材料可以回(hui)收(shou)再利用(yong)(yong),減少(shao)了(le)(le)固體(ti)垃圾的(de)(de)出(chu)現,有(you)利于人與自(zi)然的(de)(de)協調發展(zhan),代表(biao)著建筑(zhu)(zhu)(zhu)行業的(de)(de)新水平。