電 話:(曹老師)
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重慶樓(lou)承板(ban)(ban)(ban)分兩種(zhong)(zhong)。一種(zhong)(zhong)是(shi)(shi)把樓(lou)承板(ban)(ban)(ban)當(dang)做承受(shou)拉力的(de)鋼(gang)筋計(ji)(ji)(ji)(ji)算(suan)的(de),另外一種(zhong)(zhong)是(shi)(shi)僅(jin)把樓(lou)承板(ban)(ban)(ban)作為模(mo)板(ban)(ban)(ban)計(ji)(ji)(ji)(ji)算(suan)而不參(can)與受(shou)力的(de)。做模(mo)板(ban)(ban)(ban)計(ji)(ji)(ji)(ji)算(suan)的(de)比較簡單(dan),直接按(an)照(zhao)(zhao)跨度頂就(jiu)行了。2米(mi)以下(xia)選0.8的(de),2-3米(mi)的(de)選1.0的(de)。樓(lou)承板(ban)(ban)(ban)作為受(shou)力鋼(gang)筋計(ji)(ji)(ji)(ji)算(suan),就(jiu)按(an)照(zhao)(zhao)模(mo)板(ban)(ban)(ban)的(de)選用樓(lou)承板(ban)(ban)(ban)(或者(zhe)加厚且只(zhi)能(neng)加厚),然后在計(ji)(ji)(ji)(ji)算(suan)配筋的(de)時候可以按(an)照(zhao)(zhao)面積減少鋼(gang)筋用量。樓(lou)承板(ban)(ban)(ban)不能(neng)單(dan)獨計(ji)(ji)(ji)(ji)算(suan)的(de),它和整個(ge)樓(lou)板(ban)(ban)(ban)是(shi)(shi)一個(ge)體系(xi)的(de)。
樓(lou)承板(ban)鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)首要(yao)(yao)起到(dao)防(fang)腐的(de)效(xiao)果,按標準(zhun)組合樓(lou)板(ban)與非組合樓(lou)板(ban)壓型(xing)鋼板(ban)應選(xuan)(xuan)(xuan)用(yong)(yong)熱(re)鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin),不該選(xuan)(xuan)(xuan)用(yong)(yong)電(dian)鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)鋼板(ban),其(qi)雙面(mian)鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)層總含(han)量要(yao)(yao)滿足在使用(yong)(yong)期間(jian)不致銹(xiu)損的(de)要(yao)(yao)求(qiu)。當(dang)作(zuo)為(wei)非組合樓(lou)承板(ban)時(shi),鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)層含(han)量可選(xuan)(xuan)(xuan)用(yong)(yong)較(jiao)低值(zhi);當(dang)為(wei)組合樓(lou)承板(ban)時(shi),鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)層含(han)量不該小于150g/m2。當(dang)為(wei)組合樓(lou)板(ban)且使用(yong)(yong)環境(jing)條件較(jiao)為(wei)惡劣時(shi),鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)層含(han)量應選(xuan)(xuan)(xuan)用(yong)(yong)上(shang)限值(zhi)或(huo)(huo)更(geng)(geng)高值(zhi)。更(geng)(geng)高的(de)鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)要(yao)(yao)求(qiu),如雙面(mian)鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)量為(wei)300g/m2、350g/m2或(huo)(huo)鍍(du)(du)(du)鋁鋅(xin)(xin)(xin)(xin)(5%鋁)275g/m2、300g/m2等,較(jiao)高的(de)鍍(du)(du)(du)層量使組合樓(lou)板(ban)有更(geng)(geng)長(chang)耐(nai)久性,同等量的(de)鍍(du)(du)(du)鋁鋅(xin)(xin)(xin)(xin)的(de)防(fang)銹(xiu)蝕(shi)才能大約兩倍于一般熱(re)鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)。鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)量也不是越厚越好,當(dang)鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)量較(jiao)厚時(shi),抗(kang)剪連接件栓(shuan)釘的(de)焊接質量就(jiu)很難(nan)保(bao)證(zheng),焊接時(shi),宜選(xuan)(xuan)(xuan)用(yong)(yong)局部除(chu)鋅(xin)(xin)(xin)(xin)處理措施。
樓(lou)承(cheng)(cheng)板(ban)(ban)(ban)(ban)(ban)(ban)(ban)習慣主體(ti)鋼(gang)結(jie)構(gou)快速施工(gong)(gong)的(de)(de)要求,能(neng)夠(gou)在短(duan)時間內提供(gong)堅定(ding)的(de)(de)作業渠道,并(bing)可采用(yong)多個樓(lou)層鋪設(she)(she)壓(ya)型鋼(gang)板(ban)(ban)(ban)(ban)(ban)(ban)(ban),分(fen)層澆筑混(hun)凝土(tu)(tu)板(ban)(ban)(ban)(ban)(ban)(ban)(ban)的(de)(de)流水施工(gong)(gong)。在運(yun)用(yong)階(jie)段樓(lou)承(cheng)(cheng)板(ban)(ban)(ban)(ban)(ban)(ban)(ban)作為混(hun)凝土(tu)(tu)樓(lou)板(ban)(ban)(ban)(ban)(ban)(ban)(ban)的(de)(de)受拉(la)鋼(gang)筋(jin),也提高了(le)樓(lou)板(ban)(ban)(ban)(ban)(ban)(ban)(ban)的(de)(de)剛度(du),節省了(le)鋼(gang)筋(jin)和(he)(he)混(hun)凝土(tu)(tu)的(de)(de)用(yong)量(liang)。樓(lou)承(cheng)(cheng)板(ban)(ban)(ban)(ban)(ban)(ban)(ban)上面能(neng)夠(gou)鋪設(she)(she)保溫,隔音,隔熱,隔振等(deng)資(zi)料。改進樓(lou)面性(xing)(xing)能(neng)充(chong)分(fen)發揮(hui)鋼(gang)的(de)(de)杰(jie)出的(de)(de)抗拉(la)強(qiang)度(du)和(he)(he)延性(xing)(xing)及(ji)混(hun)凝土(tu)(tu)優良的(de)(de)抗壓(ya)強(qiang)度(du)和(he)(he)較大(da)的(de)(de)剛度(du)。壓(ya)型板(ban)(ban)(ban)(ban)(ban)(ban)(ban)表(biao)面壓(ya)紋使(shi)樓(lou)承(cheng)(cheng)板(ban)(ban)(ban)(ban)(ban)(ban)(ban)與混(hun)凝土(tu)(tu)之間產生大(da)的(de)(de)結(jie)合力,使(shi)二者形成整(zheng)體(ti),配以加勁肋(lei),使(shi)樓(lou)承(cheng)(cheng)板(ban)(ban)(ban)(ban)(ban)(ban)(ban)體(ti)系具有高強(qiang)承(cheng)(cheng)載力。在懸(xuan)臂條件(jian)下,樓(lou)承(cheng)(cheng)板(ban)(ban)(ban)(ban)(ban)(ban)(ban)僅(jin)作為性(xing)(xing)模板(ban)(ban)(ban)(ban)(ban)(ban)(ban)。懸(xuan)挑(tiao)的(de)(de)長(chang)度(du)可根(gen)據樓(lou)承(cheng)(cheng)板(ban)(ban)(ban)(ban)(ban)(ban)(ban)的(de)(de)截(jie)面特性(xing)(xing)來定(ding)。為了(le)避(bi)免懸(xuan)挑(tiao)板(ban)(ban)(ban)(ban)(ban)(ban)(ban)的(de)(de)開裂,需(xu)在支座處依結(jie)構(gou)工(gong)(gong)程(cheng)(cheng)師的(de)(de)規劃(hua)配上負(fu)筋(jin)。本公司樓(lou)承(cheng)(cheng)板(ban)(ban)(ban)(ban)(ban)(ban)(ban)已通過國家固定(ding)救活體(ti)系及(ji)耐(nai)火構(gou)件(jian)質量(liang)檢測(ce)中心的(de)(de)耐(nai)火檢測(ce),作為組合樓(lou)承(cheng)(cheng)板(ban)(ban)(ban)(ban)(ban)(ban)(ban)無(wu)需(xu)防火噴(pen)涂(tu),因而大(da)大(da)降低了(le)工(gong)(gong)程(cheng)(cheng)造價(jia)。
熱(re)鍍(du)鋅生(sheng)產(chan)發展一(yi)直(zhi)處于滯(zhi)后狀態。20世(shi)紀(ji)50年代到60年代陸續建(jian)成(cheng)了13條單(dan)張鋼(gang)板熔劑法熱(re)鍍(du)鋅機組,能力為10萬(wan)t/a,但(dan)因產(chan)量低、成(cheng)本高、質量差、污(wu)染環境、經濟(ji)效益(yi)差等缺陷已先后停(ting)、轉產(chan)。從20世(shi)紀(ji)70年代末(mo),我國(guo)才開始建(jian)造大型寬帶熱(re)鍍(du)鋅機組。熱(re)鍍(du)鋅帶鋼(gang)在我國(guo)市場一(yi)直(zhi)是緊缺品種。從20世(shi)紀(ji)90年代中期以來,每年都要(yao)從國(guo)外進口80-100萬(wan)t左右(you)。隨著(zhu)國(guo)內經濟(ji)的(de)發展,尤其是汽車、家電及建(jian)筑業的(de)發展,對鍍(du)鋅帶鋼(gang)的(de)需求量也(ye)大大增加。
長春鍍鋅卷重慶鍍鋅板按生產及加工方法可分為以下幾類: 熱浸鍍鋅鋼板。將薄鋼板浸入熔解的鋅槽中,使其表面粘附一層鋅的薄鋼板。目前主要采用連續鍍鋅工藝生產,即把成卷的鋼板連續浸在熔解有鋅的鍍槽中制成鍍鋅鋼板; 合金化鍍鋅鋼板。鍍鋅卷價格為克服單面(mian)未涂鋅(xin)(xin)(xin)的(de)缺點,又有一(yi)種在另面(mian)涂以薄層鋅(xin)(xin)(xin)的(de)鍍鋅(xin)(xin)(xin)板(ban)(ban),即(ji)雙面(mian)差鍍鋅(xin)(xin)(xin)板(ban)(ban);合(he)金、復合(he)鍍鋅(xin)(xin)(xin)鋼板(ban)(ban)。它是用鋅(xin)(xin)(xin)和其他(ta)金屬如(ru)鉛、鋅(xin)(xin)(xin)制(zhi)成(cheng)合(he)金乃(nai)至復合(he)鍍成(cheng)的(de)鋼板(ban)(ban)。這種鋼板(ban)(ban)既具(ju)有防(fang)銹(xiu)性能,又有良好的(de)涂裝性能。
樓承(cheng)板在(zai)目前的(de)(de)(de)(de)(de)(de)(de)(de)建(jian)(jian)筑(zhu)(zhu)施工(gong)行業中使用(yong)非(fei)(fei)常廣泛,深受用(yong)戶的(de)(de)(de)(de)(de)(de)(de)(de)重視和(he)關(guan)注,在(zai)大型超市、體(ti)育(yu)場館、鋼結構辦公室、機(ji)場候機(ji)樓等地方都有(you)它的(de)(de)(de)(de)(de)(de)(de)(de)存在(zai),也正因(yin)此(ci)它的(de)(de)(de)(de)(de)(de)(de)(de)質(zhi)量水平(ping)一直(zhi)在(zai)提(ti)(ti)升狀態(tai)。對于(yu)市場上廣大的(de)(de)(de)(de)(de)(de)(de)(de)消(xiao)費者以及(ji)建(jian)(jian)筑(zhu)(zhu)施工(gong)廠家來說(shuo),有(you)效的(de)(de)(de)(de)(de)(de)(de)(de)提(ti)(ti)升自身使用(yong)的(de)(de)(de)(de)(de)(de)(de)(de)建(jian)(jian)筑(zhu)(zhu)材料產(chan)品(pin)的(de)(de)(de)(de)(de)(de)(de)(de)質(zhi)量水平(ping)是非(fei)(fei)常的(de)(de)(de)(de)(de)(de)(de)(de)關(guan)鍵和(he)重要的(de)(de)(de)(de)(de)(de)(de)(de),對于(yu)建(jian)(jian)筑(zhu)(zhu)活動(dong)的(de)(de)(de)(de)(de)(de)(de)(de)進(jin)行有(you)著非(fei)(fei)常積(ji)極重要的(de)(de)(de)(de)(de)(de)(de)(de)作(zuo)用(yong)和(he)影響,這一點(dian)對于(yu)消(xiao)費者來說(shuo)是非(fei)(fei)常的(de)(de)(de)(de)(de)(de)(de)(de)關(guan)鍵和(he)重要的(de)(de)(de)(de)(de)(de)(de)(de)。在(zai)日(ri)常的(de)(de)(de)(de)(de)(de)(de)(de)生(sheng)(sheng)產(chan)加工(gong)過程(cheng)中,不(bu)斷的(de)(de)(de)(de)(de)(de)(de)(de)進(jin)行生(sheng)(sheng)產(chan)加工(gong)技術(shu)水平(ping)的(de)(de)(de)(de)(de)(de)(de)(de)提(ti)(ti)升和(he)發展對于(yu)廣大的(de)(de)(de)(de)(de)(de)(de)(de)生(sheng)(sheng)產(chan)加工(gong)廠家有(you)著重要的(de)(de)(de)(de)(de)(de)(de)(de)影響,對于(yu)樓承(cheng)板產(chan)品(pin)的(de)(de)(de)(de)(de)(de)(de)(de)質(zhi)量水平(ping)也有(you)著非(fei)(fei)常關(guan)鍵的(de)(de)(de)(de)(de)(de)(de)(de)影響,這是因(yin)為技術(shu)的(de)(de)(de)(de)(de)(de)(de)(de)進(jin)步能(neng)夠提(ti)(ti)高產(chan)品(pin)的(de)(de)(de)(de)(de)(de)(de)(de)使用(yong)性能(neng),保證了質(zhi)量水平(ping)的(de)(de)(de)(de)(de)(de)(de)(de)提(ti)(ti)升。