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樓(lou)(lou)承(cheng)板(ban)(ban)能夠滿足快速施工(gong)(gong)的(de)(de)需(xu)求(qiu),可(ke)(ke)以在(zai)(zai)短(duan)時間(jian)內搭(da)建(jian)起牢固的(de)(de)作(zuo)業平臺(tai),而且(qie)還(huan)能把多(duo)個樓(lou)(lou)承(cheng)板(ban)(ban)層(ceng)鋪設(she)壓型(xing)鋼(gang)板(ban)(ban),分層(ceng)澆筑(zhu)混(hun)凝(ning)土(tu)(tu)板(ban)(ban)的(de)(de)流水(shui)施工(gong)(gong)作(zuo)業。可(ke)(ke)以作(zuo)為(wei)(wei)混(hun)凝(ning)土(tu)(tu)樓(lou)(lou)板(ban)(ban)的(de)(de)受拉鋼(gang)筋(jin),可(ke)(ke)以使(shi)(shi)樓(lou)(lou)板(ban)(ban)的(de)(de)剛度增(zeng)強(qiang),而且(qie)使(shi)(shi)得鋼(gang)筋(jin)和混(hun)凝(ning)土(tu)(tu)的(de)(de)用量明顯減少。壓型(xing)板(ban)(ban)表面(mian)壓紋使(shi)(shi)樓(lou)(lou)承(cheng)板(ban)(ban)與混(hun)凝(ning)土(tu)(tu)之(zhi)間(jian)產生大的(de)(de)結合力,使(shi)(shi)二(er)者(zhe)形成(cheng)整體,再配合上加勁(jing)肋,使(shi)(shi)得有(you)高強(qiang)承(cheng)載(zai)力。還(huan)可(ke)(ke)以作(zuo)為(wei)(wei)性(xing)模板(ban)(ban),懸挑(tiao)的(de)(de)長度可(ke)(ke)根據(ju)樓(lou)(lou)承(cheng)板(ban)(ban)的(de)(de)截(jie)面(mian)特性(xing)來(lai)定。為(wei)(wei)了防止懸挑(tiao)板(ban)(ban)的(de)(de)開(kai)裂,需(xu)在(zai)(zai)支座處依結構(gou)工(gong)(gong)程師的(de)(de)設(she)計(ji)配上負筋(jin)。而且(qie)都是(shi)經過固定滅(mie)火(huo)系統及(ji)耐火(huo)構(gou)件質量檢(jian)測中心(xin)的(de)(de)耐火(huo)檢(jian)測,具有(you)防火(huo)的(de)(de)特性(xing)。
鍍(du)鋅(xin)(xin)(xin)是一(yi)(yi)種(zhong)經常采用(yong)的經濟而有效(xiao)的防(fang)腐方法。鋅(xin)(xin)(xin)產量的一(yi)(yi)半左(zuo)右均(jun)用(yong)于(yu)此種(zhong)工藝(yi)。鍍(du)鋅(xin)(xin)(xin)卷(juan)是為防(fang)止(zhi)鋼板(ban)(ban)表面(mian)遭(zao)受腐蝕(shi)延長(chang)其(qi)使用(yong)壽(shou)命(ming),在鋼板(ban)(ban)表面(mian)涂以(yi)一(yi)(yi)層金屬鋅(xin)(xin)(xin),這種(zhong)涂鋅(xin)(xin)(xin)的鋼板(ban)(ban)稱為鍍(du)鋅(xin)(xin)(xin)卷(juan)。鍍(du)鋅(xin)(xin)(xin)卷(juan)主要(yao)用(yong)于(yu)建筑(zhu)(zhu)、家(jia)電、汽車、容器、交通(tong)及(ji)家(jia)業等領域。特別是鋼結構建筑(zhu)(zhu)、汽車制造(zao)、鋼板(ban)(ban)倉制造(zao)等行業。耐腐蝕(shi)強、表面(mian)質量好(hao)、得(de)利于(yu)深加工、經濟實(shi)用(yong)等。有關產品標準都列明鍍(du)鋅(xin)(xin)(xin)卷(juan)推(tui)薦的標準厚(hou)度(du)、長(chang)度(du)和(he)寬度(du)及(ji)其(qi)允許偏差。鍍(du)鋅(xin)(xin)(xin)卷(juan)厚(hou)度(du)偏差一(yi)(yi)般(ban)在0.05mm,長(chang)寬偏差一(yi)(yi)般(ban)在5mm ,板(ban)(ban)材的厚(hou)度(du)一(yi)(yi)般(ban)在0.2-3.2之間(jian) 。
樓(lou)(lou)承(cheng)板(ban)(ban)(ban)鋼(gang)(gang)(gang)筋(jin)(jin)桁架(jia)是將樓(lou)(lou)板(ban)(ban)(ban)中(zhong)的(de)(de)(de)鋼(gang)(gang)(gang)筋(jin)(jin)在(zai)(zai)工(gong)廠采(cai)用(yong)進(jin)口設備加工(gong)成鋼(gang)(gang)(gang)筋(jin)(jin)桁架(jia),并將鋼(gang)(gang)(gang)筋(jin)(jin)桁架(jia)與鍍鋅鋼(gang)(gang)(gang)板(ban)(ban)(ban)在(zai)(zai)工(gong)廠焊接(jie)成一(yi)體的(de)(de)(de)組合模板(ban)(ban)(ban),使其(qi)在(zai)(zai)施工(gong)階段(duan)可(ke)作為(wei)鋼(gang)(gang)(gang)梁的(de)(de)(de)側向(xiang)支(zhi)撐使用(yong)!樓(lou)(lou)板(ban)(ban)(ban)連接(jie)采(cai)用(yong)扣合方式,板(ban)(ban)(ban)與板(ban)(ban)(ban)之間的(de)(de)(de)拉鉤連接(jie)應緊(jin)密(mi),保證澆(jiao)筑(zhu)(zhu)(zhu)混凝土時(shi)(shi)不(bu)漏漿,同(tong)時(shi)(shi)注(zhu)意(yi)排板(ban)(ban)(ban)方向(xiang)要(yao)一(yi)致(zhi),桁架(jia)節(jie)點間距為(wei)200㎜,注(zhu)意(yi)不(bu)同(tong)模板(ban)(ban)(ban)的(de)(de)(de)橫向(xiang)節(jie)點要(yao)對齊。我們仔細觀察的(de)(de)(de)話會發現(xian)很多高(gao)層(ceng)(ceng)建筑(zhu)(zhu)(zhu)上都會設置(zhi)鋼(gang)(gang)(gang)筋(jin)(jin)桁架(jia)樓(lou)(lou)承(cheng)板(ban)(ban)(ban),我們雖然(ran)經常用(yong)到該樓(lou)(lou)承(cheng)板(ban)(ban)(ban),但很少有人知(zhi)道這種板(ban)(ban)(ban)材(cai)(cai)為(wei)什么會用(yong)于高(gao)層(ceng)(ceng)建筑(zhu)(zhu)(zhu)中(zhong)。下面小編將為(wei)您介紹一(yi)下該板(ban)(ban)(ban)材(cai)(cai)在(zai)(zai)高(gao)層(ceng)(ceng)建筑(zhu)(zhu)(zhu)中(zhong)的(de)(de)(de)使用(yong)優勢!鋼(gang)(gang)(gang)筋(jin)(jin)樓(lou)(lou)承(cheng)板(ban)(ban)(ban)的(de)(de)(de)搭接(jie)是有著嚴(yan)格的(de)(de)(de)施工(gong)要(yao)求的(de)(de)(de),為(wei)保障樓(lou)(lou)承(cheng)板(ban)(ban)(ban)安裝牢(lao)固(gu),該板(ban)(ban)(ban)材(cai)(cai)的(de)(de)(de)搭接(jie)需要(yao)按照說明書正(zheng)確進(jin)行,搭接(jie)過程中(zhong)還需要(yao)注(zhu)意(yi),沿順肋方向(xiang),壓型鋼(gang)(gang)(gang)板(ban)(ban)(ban)如果可(ke)以滿足正(zheng)截面承(cheng)載力(li)及剪切粘(zhan)結(jie)承(cheng)載力(li)的(de)(de)(de)要(yao)求,可(ke)以不(bu)用(yong)配順肋方向(xiang)的(de)(de)(de)鋼(gang)(gang)(gang)筋(jin)(jin),這時(shi)(shi)候要(yao)注(zhu)意(yi)計算(suan)剪切粘(zhan)結(jie)承(cheng)載力(li)。
熱鍍(du)鋅(xin)(xin)(xin)(xin)板(ban)(ban)(ban)和(he)電(dian)(dian)鍍(du)鋅(xin)(xin)(xin)(xin)板(ban)(ban)(ban)在鍍(du)鋅(xin)(xin)(xin)(xin)量上有很大(da)的(de)(de)(de)(de)(de)差別,就像山東彩(cai)涂卷)。熱鍍(du)鋅(xin)(xin)(xin)(xin)的(de)(de)(de)(de)(de)鍍(du)鋅(xin)(xin)(xin)(xin)量不可能太小(xiao),一般(ban)較(jiao)(jiao)小(xiao)為雙面50~60g/m2,較(jiao)(jiao)大(da)可達600g/m2。電(dian)(dian)鍍(du)鋅(xin)(xin)(xin)(xin)板(ban)(ban)(ban)的(de)(de)(de)(de)(de)鍍(du)鋅(xin)(xin)(xin)(xin)層可以很薄(bo),較(jiao)(jiao)小(xiao)達15g/m2,但(dan)要求(qiu)鍍(du)層較(jiao)(jiao)厚(hou)的(de)(de)(de)(de)(de)話則生產線速(su)度很慢,不適應現代化機(ji)組的(de)(de)(de)(de)(de)工藝特點(dian),一般(ban)較(jiao)(jiao)大(da)為lO0g/m2左右。正因為如(ru)此,電(dian)(dian)鍍(du)鋅(xin)(xin)(xin)(xin)板(ban)(ban)(ban)的(de)(de)(de)(de)(de)生產受到(dao)很大(da)的(de)(de)(de)(de)(de)限(xian)制。工一般(ban)電(dian)(dian)鍍(du)鋅(xin)(xin)(xin)(xin)比較(jiao)(jiao)多(duo),適用(yong)于(yu)小(xiao)部件(jian);熱鍍(du)鋅(xin)(xin)(xin)(xin)一般(ban)用(yong)于(yu)電(dian)(dian)力設備(bei)和(he)構件(jian),適用(yong)于(yu)大(da)的(de)(de)(de)(de)(de)部件(jian)和(he)設備(bei)。當然他(ta)們的(de)(de)(de)(de)(de)價格也相對便宜(yi)一些。建設部已(yi)正式(shi)下(xia)文,淘汰技術(shu)落后(hou)的(de)(de)(de)(de)(de)冷鍍(du)鋅(xin)(xin)(xin)(xin)管,不準用(yong)冷鍍(du)鋅(xin)(xin)(xin)(xin)管作水、煤氣管。
鍍鋅卷廠家熱鍍鋅卷板價格行業統計數據顯示,十一月國內粗鋼日均產量為兩百零九萬噸,環比下降3.3%,創出今年以來水平,但是當前減產受到季節性因素支撐,市場對數據有效性提出質疑。巴中鍍鋅卷鍍(du)鋅卷(juan)工(gong)(gong)業品(pin)(pin)而言,近期陸續公(gong)布的(de)重要(yao)數(shu)據中性偏多。但值得注意的(de)是(shi),同年十一月(yue)熱鍍(du)鋅卷(juan)板價格工(gong)(gong)業增(zeng)(zeng)加值和投資增(zeng)(zeng)速放緩,進(jin)一步印證了國內總需求乏力,工(gong)(gong)業復(fu)蘇形勢不容樂(le)觀。加上未來經濟結構調整等因素,工(gong)(gong)業品(pin)(pin)價格反彈高度將有限。傳統(tong)需求淡(dan)季(ji)效(xiao)應(ying)(ying)還在持續不斷地發酵(jiao),冬儲效(xiao)果(guo)不佳(jia)。雖(sui)然數(shu)據顯(xian)示供應(ying)(ying)壓力開始減輕,但是(shi)目(mu)前處(chu)于鋼鐵需求淡(dan)季(ji),市場成交萎(wei)縮(suo),下游采購遲(chi)遲(chi)未能(neng)有效(xiao)跟進(jin),市場信心不足,鍍(du)鋅鋼板貿易商囤(dun)貨現象(xiang)也不明顯(xian)。