電 話:(曹老師)
電 話:(羅老師)
網 址:i65r1s.cn
地 址(zhi):重(zhong)慶九龍坡綠云鋼材(cai)市場A9-293/雙(shuang)福攀寶鋼材(cai)市場綠城(cheng)路
樓(lou)承板(ban)(ban)(ban)(ban)(ban)組合板(ban)(ban)(ban)(ban)(ban)是(shi)一(yi)種十分合理的(de)結(jie)構(gou)方式(shi),它(ta)能(neng)(neng)夠按其各組成(cheng)部件所處的(de)方位和(he)(he)特色(se),充分發揮鋼(gang)(gang)材(cai)抗拉和(he)(he)混凝(ning)土(tu)抗壓功(gong)能(neng)(neng)好的(de)長處,并具(ju)有杰出的(de)抗震功(gong)能(neng)(neng)、施工功(gong)能(neng)(neng)。這種結(jie)構(gou)現(xian)(xian)在被廣泛運用于(yu)國(guo)內(nei)外修建中,但(dan)在國(guo)內(nei)大都(dou)將(jiang)樓(lou)承板(ban)(ban)(ban)(ban)(ban)當作模(mo)板(ban)(ban)(ban)(ban)(ban)運用,而沒(mei)有充分發揮樓(lou)承板(ban)(ban)(ban)(ban)(ban)的(de)效果。 與一(yi)般鋼(gang)(gang)筋混凝(ning)土(tu)樓(lou)板(ban)(ban)(ban)(ban)(ban)比較,樓(lou)承板(ban)(ban)(ban)(ban)(ban)組合樓(lou)板(ban)(ban)(ban)(ban)(ban)具(ju)備(bei)以下長處:樓(lou)承板(ban)(ban)(ban)(ban)(ban)能(neng)(neng)夠作為現(xian)(xian)澆混凝(ning)土(tu)的(de)模(mo)板(ban)(ban)(ban)(ban)(ban)。這樣就(jiu)省掉(diao)了施工中裝置和(he)(he)撤(che)除模(mo)板(ban)(ban)(ban)(ban)(ban)等(deng)工序,然后節約了時(shi)刻(ke)和(he)(he)勞動力(li);當樓(lou)承板(ban)(ban)(ban)(ban)(ban)裝置好今(jin)后將(jiang)能(neng)(neng)夠作為施工平臺(tai)運用。
要看(kan)整(zheng)個(ge)樓(lou)(lou)板(ban)(ban)的(de)(de)(de)厚度(du)來考慮挑選(xuan)(xuan)是(shi)用(yong)75波(bo)(bo)(bo)高(gao)系列(lie)(lie)(lie)的(de)(de)(de)仍(reng)是(shi)51波(bo)(bo)(bo)高(gao)系列(lie)(lie)(lie)的(de)(de)(de),沉(chen)默有(you)40系列(lie)(lie)(lie),46系列(lie)(lie)(lie),60系列(lie)(lie)(lie),65波(bo)(bo)(bo)高(gao)系列(lie)(lie)(lie)。一(yi)般來說(shuo)波(bo)(bo)(bo)高(gao)越(yue)低(di),承載力就越(yue)低(di),然后就是(shi)波(bo)(bo)(bo)峰(feng)距離越(yue)大,承載力就越(yue)小,假如整(zheng)個(ge)樓(lou)(lou)板(ban)(ban)厚度(du)在(zai)10公(gong)分以內(nei),好(hao)(hao)選(xuan)(xuan)用(yong)選(xuan)(xuan)用(yong)波(bo)(bo)(bo)高(gao)40系列(lie)(lie)(lie),整(zheng)個(ge)樓(lou)(lou)板(ban)(ban)厚度(du)在(zai)10-13公(gong)分以內(nei),好(hao)(hao)選(xuan)(xuan)用(yong)50波(bo)(bo)(bo)高(gao)系列(lie)(lie)(lie),在(zai)13公(gong)分以上,好(hao)(hao)選(xuan)(xuan)用(yong)75系列(lie)(lie)(lie)。有(you)些(xie)人會問,為什么呀(ya)?其實(shi)《我國鋼筋(jin)混凝土修(xiu)建規范(fan)》里(li)有(you)個(ge)要求,鋼筋(jin)上面(mian)的(de)(de)(de)混泥土保護層(ceng)不能低(di)于(yu)2.5cm,就是(shi)說(shuo)樓(lou)(lou)承板(ban)(ban)自身(shen)的(de)(de)(de)波(bo)(bo)(bo)高(gao)+鋼筋(jin)網的(de)(de)(de)厚度(du)(一(yi)般2cm)+2.5cm的(de)(de)(de)保護層(ceng)≤樓(lou)(lou)板(ban)(ban)的(de)(de)(de)厚度(du)。
重(zhong)慶鍍(du)鋅(xin)板(ban)(ban)(ban)(ban)按生產(chan)及加工方法可分為以下幾類: 熱浸(jin)鍍(du)鋅(xin)鋼(gang)(gang)板(ban)(ban)(ban)(ban)。將(jiang)薄(bo)鋼(gang)(gang)板(ban)(ban)(ban)(ban)浸(jin)入熔(rong)解的鋅(xin)槽中,使其表面粘附(fu)一層鋅(xin)的薄(bo)鋼(gang)(gang)板(ban)(ban)(ban)(ban)。目前主要采用連續鍍(du)鋅(xin)工藝生產(chan),即把(ba)成(cheng)卷的鋼(gang)(gang)板(ban)(ban)(ban)(ban)連續浸(jin)在(zai)(zai)熔(rong)解有鋅(xin)的鍍(du)槽中制成(cheng)鍍(du)鋅(xin)鋼(gang)(gang)板(ban)(ban)(ban)(ban); 合(he)金(jin)化鍍(du)鋅(xin)鋼(gang)(gang)板(ban)(ban)(ban)(ban)。為克(ke)服單(dan)面未涂(tu)鋅(xin)的缺點,又有一種(zhong)在(zai)(zai)另面涂(tu)以薄(bo)層鋅(xin)的鍍(du)鋅(xin)板(ban)(ban)(ban)(ban),即雙面差鍍(du)鋅(xin)板(ban)(ban)(ban)(ban);合(he)金(jin)、復合(he)鍍(du)鋅(xin)鋼(gang)(gang)板(ban)(ban)(ban)(ban)。它是用鋅(xin)和其他(ta)金(jin)屬(shu)如鉛、鋅(xin)制成(cheng)合(he)金(jin)乃至復合(he)鍍(du)成(cheng)的鋼(gang)(gang)板(ban)(ban)(ban)(ban)。這種(zhong)鋼(gang)(gang)板(ban)(ban)(ban)(ban)既具有防銹性(xing)能,又有良好的涂(tu)裝性(xing)能。
攀華彩涂卷堆積樓承板的地坪應基本平坦,鋼筋桁架樓承板堆積不宜過高,每堆不超越60張。長春彩涂卷批發樓(lou)(lou)承(cheng)板(ban)(ban)(ban)運至現場,需妥(tuo)善保護,不得有任何損壞和(he)污染,特(te)別不得感(gan)染油污。樓(lou)(lou)承(cheng)板(ban)(ban)(ban)應根據排版圖預先切開(kai)、編號。起(qi)吊前,每捆要有兩(liang)條鋼絲繩,分(fen)別捆于兩(liang)頭四分(fen)之一鋼板(ban)(ban)(ban)長度處(chu),采(cai)用專用吊具吊起(qi)。應先行(xing)試吊,檢查重心(xin)是否穩定(ding),鋼索是否會滑(hua)動,待牢(lao)靠(kao),無慮(lv)時(shi)方可吊起(qi)。起(qi)吊時(shi),應從下(xia)往(wang)上(shang)樓(lou)(lou)層(ceng)次序吊料為原則,避免(mian)因先行(xing)吊放上(shang)層(ceng)資料后,阻止下(xia)面樓(lou)(lou)層(ceng)的吊放作(zuo)業(ye)。整(zheng)疊樓(lou)(lou)承(cheng)板(ban)(ban)(ban)放梁面時(shi),應考慮(lv)梁的承(cheng)載(zai)能力(li),避免(mian)因集中(zhong)載(zai)荷過大,造成梁的變形。樓(lou)(lou)承(cheng)板(ban)(ban)(ban)吊至樓(lou)(lou)層(ceng),暫時(shi)不鋪設時(shi),應作(zuo)牢(lao)靠(kao)固(gu)定(ding),避免(mian)飛(fei)落(luo)和(he)滑(hua)落(luo)傷人。
鍍(du)(du)鋅(xin)(xin)方管(guan)是(shi)一(yi)種具以熱(re)軋(ya)或冷軋(ya)鍍(du)(du)鋅(xin)(xin)帶鋼(gang)(gang)(gang)(gang)(gang)或鍍(du)(du)鋅(xin)(xin)卷板為坯料經冷彎曲加(jia)工成(cheng)(cheng)(cheng)型(xing)后再經高頻焊(han)接制成(cheng)(cheng)(cheng)的(de)(de)(de)(de)方形截(jie)面(mian)形狀尺寸的(de)(de)(de)(de)空(kong)心方形的(de)(de)(de)(de)截(jie)面(mian)型(xing)鋼(gang)(gang)(gang)(gang)(gang)鋼(gang)(gang)(gang)(gang)(gang)管(guan);或將事先(xian)做好的(de)(de)(de)(de)冷彎空(kong)心型(xing)鋼(gang)(gang)(gang)(gang)(gang)管(guan)再經熱(re)浸鍍(du)(du)鋅(xin)(xin)加(jia)工而成(cheng)(cheng)(cheng)的(de)(de)(de)(de)鍍(du)(du)鋅(xin)(xin)方矩管(guan)。鍍(du)(du)鋅(xin)(xin)卷廠產(chan)量隨著國民生活水(shui)平不(bu)(bu)斷提高和城市化(hua)建設的(de)(de)(de)(de)不(bu)(bu)斷推進,從現在的(de)(de)(de)(de)1.6億(yi)噸(dun)每年,增加(jia)到(dao)3億(yi)噸(dun)甚至更多也不(bu)(bu)是(shi)什么(me)很遙遠的(de)(de)(de)(de)夢(meng)想。作為煉鋼(gang)(gang)(gang)(gang)(gang)原料的(de)(de)(de)(de)鐵礦(kuang)石與(yu)廢鋼(gang)(gang)(gang)(gang)(gang),前者是(shi)不(bu)(bu)可(ke)的(de)(de)(de)(de)資源,后者是(shi)可(ke)以循環利用(yong)的(de)(de)(de)(de)資源。無(wu)論從環保角度(du)還是(shi)從鋼(gang)(gang)(gang)(gang)(gang)企(qi)的(de)(de)(de)(de)運作成(cheng)(cheng)(cheng)本上看,廢鋼(gang)(gang)(gang)(gang)(gang)都有著礦(kuang)石所無(wu)法(fa)比擬(ni)的(de)(de)(de)(de)優(you)勢。發展高強度(du)熱(re)鍍(du)(du)鋅(xin)(xin)鋼(gang)(gang)(gang)(gang)(gang)板。隨著汽車(che)工業逐漸向、節能方向發展,對汽車(che)用(yong)鍍(du)(du)鋅(xin)(xin)鋼(gang)(gang)(gang)(gang)(gang)板性(xing)能要求(qiu)也進一(yi)步提高。為了汽車(che)板的(de)(de)(de)(de)耐(nai)腐(fu)蝕性(xing),將擴大(da)熱(re)鍍(du)(du)鋅(xin)(xin)鋼(gang)(gang)(gang)(gang)(gang)板的(de)(de)(de)(de)使用(yong)率(lv)。
近期鋼(gang)(gang)(gang)價(jia)延續低迷,隨(sui)著通(tong)國規模的(de)酷暑和旱(han)季到來,熱鍍鋅卷板價(jia)格商場(chang)(chang)逐漸進(jin)入需要旺季,海(hai)(hai)內(nei)鋼(gang)(gang)(gang)鐵商場(chang)(chang)或(huo)將窄幅調(diao)整。在(zai)決策層兩手抓制度(du)措施落實狀況(kuang)、貨銀(yin)本位(wei)度(du)定(ding)向寬松力度(du)加大的(de)直觀層面利好牽(qian)動下,商場(chang)(chang)信念逐漸趨穩,短期海(hai)(hai)內(nei)鋼(gang)(gang)(gang)價(jia)無望止跌(die)企穩;另一上面,以后鋼(gang)(gang)(gang)價(jia)殺跌(die)電能有余(yu),而上漲也(ye)仍然屏障(zhang)重重。熱鍍鋅卷板價(jia)格價(jia)錢或(huo)將長期在(zai)于低位(wei)運行(xing)場(chang)(chang)面。