電 話:(曹老師)
電 話:(羅老師)
網 址(zhi):i65r1s.cn
地 址:重慶九(jiu)龍坡(po)綠(lv)云鋼(gang)材市場A9-293/雙福攀寶鋼(gang)材市場綠(lv)城路(lu)
我國建筑業中,噪聲污染問題久為人們所詬病。北京白鐵輕型樓承板的應用使得土建建筑物局面被打破,集環境破壞及污染少、材料回收和利用率高、符合可持續發展要求等眾多優點于一身的樓承板建筑應運而生,逐步被人們所接受。白鐵價格輕(qing)型樓(lou)承(cheng)板是(shi)(shi)近十年來發(fa)展較快的(de)領(ling)域,在(zai)采用輕(qing)型樓(lou)承(cheng)板占非住(zhu)宅建(jian)筑投資(zi)的(de)50%以上。這種結構(gou)工業化、商(shang)品化程(cheng)度高,施工快,綜合效益(yi)高,市場需求(qiu)量很大,已(yi)引起(qi)結構(gou)設計人員認識。樓(lou)承(cheng)板的(de)研究開(kai)發(fa)已(yi)在(zai)各地試點,是(shi)(shi)輕(qing)鋼(gang)發(fa)展的(de)一個重(zhong)要方向,目前已(yi)經有多種的(de)低層(ceng)(ceng)、多層(ceng)(ceng)和高層(ceng)(ceng)的(de)設計方案和實例。
近期(qi)鋼(gang)價延(yan)續低迷,隨(sui)著通國(guo)規(gui)模的酷暑(shu)和(he)旱(han)季到來(lai),熱(re)鍍鋅(xin)(xin)卷板價格商(shang)場逐(zhu)漸(jian)進入需要(yao)旺季,海內鋼(gang)鐵商(shang)場或將窄幅調(diao)整。在(zai)決策層(ceng)兩手抓(zhua)制度措施落實狀(zhuang)況(kuang)、貨銀本位度定(ding)向寬松力度加(jia)大(da)的直觀層(ceng)面(mian)利好牽(qian)動下,商(shang)場信(xin)念逐(zhu)漸(jian)趨穩(wen),短期(qi)海內鋼(gang)價無望止跌企穩(wen);另一(yi)上面(mian),以(yi)后鋼(gang)價殺跌電能有余,而上漲(zhang)也仍然屏障重(zhong)重(zhong)。熱(re)鍍鋅(xin)(xin)卷板價格價錢或將長(chang)期(qi)在(zai)于低位運行(xing)場面(mian)。
熱浸(jin)鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)板(ban)(ban)(ban)(ban)將薄鋼(gang)(gang)板(ban)(ban)(ban)(ban)浸(jin)入熔(rong)解的(de)鋅(xin)(xin)(xin)(xin)槽(cao)中,使其(qi)表面(mian)(mian)(mian)粘附一層鋅(xin)(xin)(xin)(xin)的(de)薄鋼(gang)(gang)板(ban)(ban)(ban)(ban)。目前(qian)主要采用(yong)連續(xu)鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)工(gong)(gong)藝(yi)生產,即把成卷的(de)鋼(gang)(gang)板(ban)(ban)(ban)(ban)連續(xu)浸(jin)在(zai)熔(rong)解有(you)鋅(xin)(xin)(xin)(xin)的(de)鍍(du)(du)(du)(du)(du)槽(cao)中制(zhi)(zhi)(zhi)成鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)板(ban)(ban)(ban)(ban);合(he)金化鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)板(ban)(ban)(ban)(ban)。這種(zhong)鋼(gang)(gang)板(ban)(ban)(ban)(ban)也是用(yong)熱浸(jin)法(fa)制(zhi)(zhi)(zhi)造,但在(zai)出槽(cao)后,立即把它加(jia)熱到(dao)500 ℃左(zuo)右,使其(qi)生成鋅(xin)(xin)(xin)(xin)和鐵的(de)合(he)金被膜。這種(zhong)鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)板(ban)(ban)(ban)(ban)具(ju)(ju)有(you)良好的(de)涂料的(de)密著(zhu)性(xing)(xing)(xing)和焊接性(xing)(xing)(xing);電鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)板(ban)(ban)(ban)(ban)。用(yong)電鍍(du)(du)(du)(du)(du)法(fa)制(zhi)(zhi)(zhi)造這種(zhong)鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)板(ban)(ban)(ban)(ban)具(ju)(ju)有(you)良好的(de)加(jia)工(gong)(gong)性(xing)(xing)(xing)。但鍍(du)(du)(du)(du)(du)層較薄,耐腐蝕(shi)性(xing)(xing)(xing)不如熱浸(jin)法(fa)鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)板(ban)(ban)(ban)(ban);單面(mian)(mian)(mian)鍍(du)(du)(du)(du)(du)和雙(shuang)面(mian)(mian)(mian)差鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)板(ban)(ban)(ban)(ban)。單面(mian)(mian)(mian)鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)板(ban)(ban)(ban)(ban),即只(zhi)在(zai)一面(mian)(mian)(mian)鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)的(de)產品。在(zai)焊接、涂裝、防銹處理、加(jia)工(gong)(gong)等方面(mian)(mian)(mian),具(ju)(ju)有(you)比雙(shuang)面(mian)(mian)(mian)鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)板(ban)(ban)(ban)(ban)好的(de)適(shi)應性(xing)(xing)(xing)。
熱鍍(du)鋅(xin)卷板價格行業(ye)(ye)(ye)統計(ji)數據(ju)(ju)顯示,十(shi)一月(yue)國內(nei)粗鋼(gang)日(ri)均產量為兩百零九萬噸,環比下(xia)降3.3%,創出今(jin)年(nian)以來(lai)水平,但(dan)是(shi)當前減(jian)產受到季節(jie)性(xing)因(yin)(yin)素(su)支撐,市(shi)場對數據(ju)(ju)有(you)效性(xing)提(ti)出質疑。鍍(du)鋅(xin)卷工業(ye)(ye)(ye)品而言,近(jin)期陸續公布的(de)(de)重要數據(ju)(ju)中性(xing)偏多(duo)。但(dan)值得注意的(de)(de)是(shi),同年(nian)十(shi)一月(yue)熱鍍(du)鋅(xin)卷板價格工業(ye)(ye)(ye)增加(jia)值和投資增速放緩(huan),進一步印(yin)證了國內(nei)總需求乏力(li)(li),工業(ye)(ye)(ye)復蘇(su)形(xing)勢(shi)不(bu)容樂觀。加(jia)上未來(lai)經濟結構調整等(deng)因(yin)(yin)素(su),工業(ye)(ye)(ye)品價格反彈高度將有(you)限(xian)。傳統需求淡季效應還(huan)在持續不(bu)斷地(di)發酵,冬儲效果不(bu)佳。雖然數據(ju)(ju)顯示供(gong)應壓(ya)力(li)(li)開始減(jian)輕,但(dan)是(shi)目前處于鋼(gang)鐵(tie)需求淡季,市(shi)場成交萎(wei)縮,下(xia)游采(cai)購遲遲未能有(you)效跟進,市(shi)場信(xin)心不(bu)足,鍍(du)鋅(xin)鋼(gang)板貿易商(shang)囤貨現象也不(bu)明(ming)顯。
樓(lou)(lou)承板(ban)本身(shen)有(you)良好的(de)延(yan)伸性,自(zi)重輕,自(zi)振周期長,較大(da)變(bian)形(xing)(xing)下能(neng)吸收變(bian)形(xing)(xing)能(neng),結(jie)構(gou)體(ti)系(xi)的(de)連接多(duo)(duo)為(wei)柔性連接,圍護結(jie)構(gou)可(ke)隨主體(ti)結(jie)構(gou)發(fa)生(sheng)變(bian)位(wei),其(qi)抗(kang)震性能(neng)得到了(le)大(da)大(da)提高。自(zi)重減(jian)輕也(ye)會(hui)增(zeng)強其(qi)抗(kang)震性能(neng),自(zi)重減(jian)少(shao)一半,等同于(yu)降低抗(kang)震設防(fang)烈度(du)一度(du),地震作用可(ke)降低30%—40%J,從(cong)而(er)(er)減(jian)少(shao)了(le)很多(duo)(duo)有(you)關抗(kang)震的(de)構(gou)造(zao)要求,降低了(le)工程造(zao)價(jia)。我國面臨水土流失、環境污(wu)染(ran)等一系(xi)列影(ying)響可(ke)持續發(fa)展(zhan)的(de)問題,環保建筑(zhu)的(de)提出(chu)應運(yun)而(er)(er)生(sheng),環保建筑(zhu)之能(neng)源(yuan)利用高、環境好、在保障人們生(sheng)活的(de)基(ji)礎(chu)上消耗(hao)低,使用周期長等。樓(lou)(lou)承板(ban)建筑(zhu)恰(qia)恰(qia)在這些方面能(neng)夠滿足(zu)要求,與其(qi)他建筑(zhu)結(jie)構(gou)體(ti)系(xi)相(xiang)比,樓(lou)(lou)承板(ban)建筑(zhu)沒(mei)有(you)空氣(qi)污(wu)染(ran)和噪(zao)音,也(ye)不(bu)會(hui)對森林等資(zi)源(yuan)造(zao)成破(po)壞,并且建筑(zhu)材料可(ke)以(yi)回收再利用,減(jian)少(shao)了(le)固(gu)體(ti)垃圾的(de)出(chu)現,有(you)利于(yu)人與自(zi)然的(de)協(xie)調發(fa)展(zhan),代表著建筑(zhu)行(xing)業的(de)新水平。