熱鍍(du)鋅(xin)卷板價(jia)格(ge)行業(ye)統(tong)計(ji)數據(ju)顯(xian)(xian)示，十(shi)一月(yue)國(guo)內粗鋼日均產量(liang)為兩百(bai)零九萬噸，環比下降3.3%，創出今年以(yi)來水平，但是(shi)當(dang)前減(jian)產受到季(ji)節性因素支撐，市場對(dui)數據(ju)有(you)(you)效性提(ti)出質疑。鍍(du)鋅(xin)卷工(gong)(gong)業(ye)品而(er)言(yan)，近期陸續公布的(de)重要數據(ju)中性偏多。但值(zhi)(zhi)得注意的(de)是(shi)，同年十(shi)一月(yue)熱鍍(du)鋅(xin)卷板價(jia)格(ge)工(gong)(gong)業(ye)增加值(zhi)(zhi)和投資增速放緩(huan)，進一步印證了國(guo)內總需(xu)求乏力，工(gong)(gong)業(ye)復蘇(su)形勢不(bu)容樂觀。加上未(wei)來經濟結構調整(zheng)等因素，工(gong)(gong)業(ye)品價(jia)格(ge)反彈高(gao)度將有(you)(you)限。傳統(tong)需(xu)求淡季(ji)效應還(huan)在持續不(bu)斷地發酵，冬儲效果不(bu)佳。雖然數據(ju)顯(xian)(xian)示供(gong)應壓力開始(shi)減(jian)輕(qing)，但是(shi)目前處(chu)于(yu)鋼鐵需(xu)求淡季(ji)，市場成交萎縮，下游采購遲遲未(wei)能有(you)(you)效跟進，市場信心不(bu)足，鍍(du)鋅(xin)鋼板貿易商囤(dun)貨(huo)現象也不(bu)明顯(xian)(xian)。

樓承板價格樓承板組合板是一種十分合理的結構方式，它能夠按其各組成部件所處的方位和特色，充分發揮鋼材抗拉和混凝土抗壓功能好的長處，并具有杰出的抗震功能、施工功能。這種結構現在被廣泛運用于國內外修建中，但在國內大都將樓承板當作模板運用，而沒有充分發揮樓承板的效果。湖南樓承板 與(yu)一般鋼筋混(hun)凝土(tu)樓板(ban)(ban)比較，樓承板(ban)(ban)組(zu)合樓板(ban)(ban)具備(bei)以下(xia)長處：樓承板(ban)(ban)能夠作為現澆(jiao)混(hun)凝土(tu)的模板(ban)(ban)。這(zhe)樣就省掉了施工中裝(zhuang)置和撤除(chu)模板(ban)(ban)等(deng)工序，然(ran)后節約了時刻和勞(lao)動力;當樓承板(ban)(ban)裝(zhuang)置好今后將能夠作為施工平(ping)臺運(yun)用。

鍍(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)板(ban)(ban)(ban)(ban)是(shi)(shi)為防(fang)止鋼(gang)(gang)板(ban)(ban)(ban)(ban)表(biao)面(mian)遭受腐蝕(shi)，延長其(qi)使(shi)(shi)用壽命，在鋼(gang)(gang)板(ban)(ban)(ban)(ban)表(biao)面(mian)涂以一層金屬鋅(xin)(xin)(xin)(xin)，這種(zhong)涂鋅(xin)(xin)(xin)(xin)的(de)薄鋼(gang)(gang)板(ban)(ban)(ban)(ban)稱為鍍(du)(du)鋅(xin)(xin)(xin)(xin)板(ban)(ban)(ban)(ban)。按生產(chan)(chan)及(ji)加(jia)工方(fang)法可(ke)分為以下幾類：熱(re)(re)浸(jin)鍍(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 微商(shang)貨源(yuan)解(jie)的(de)鋅(xin)(xin)(xin)(xin)槽中，使(shi)(shi)其(qi)表(biao)面(mian)粘附一層鋅(xin)(xin)(xin)(xin)的(de)薄鋼(gang)(gang)板(ban)(ban)(ban)(ban)。目前主(zhu)要(yao)采用連續鍍(du)(du)鋅(xin)(xin)(xin)(xin)工藝(yi)生產(chan)(chan)，即(ji)把(ba)成(cheng)卷的(de)鋼(gang)(gang)板(ban)(ban)(ban)(ban)連續浸(jin)在熔解(jie)有鋅(xin)(xin)(xin)(xin)的(de)鍍(du)(du)槽中制成(cheng)鍍(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)板(ban)(ban)(ban)(ban)；合金化鍍(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(shi)(shi)用熱(re)(re)浸(jin)法制造(zao)，但(dan)在出槽后，立(li)即(ji)把(ba)它加(jia)熱(re)(re)到(dao)５００℃左右(you)，使(shi)(shi)其(qi)生成(cheng)鋅(xin)(xin)(xin)(xin)和(he)鐵的(de)合金被(bei)膜(mo)。這種(zhong)鍍(du)(du)鋅(xin)(xin)(xin)(xin)板(ban)(ban)(ban)(ban)具有良好的(de)涂料的(de)密著(zhu)性和(he)焊(han)接性。

樓(lou)承(cheng)(cheng)板在建筑(zhu)當中已經被廣泛(fan)的(de)(de)(de)(de)使用(yong)，對(dui)(dui)于(yu)(yu)此種(zhong)設(she)備(bei)的(de)(de)(de)(de)標準化(hua)和(he)工(gong)廠(chang)化(hua)的(de)(de)(de)(de)程度已經是(shi)越來(lai)(lai)越高(gao)了(le)，那么它們現(xian)(xian)在已經發展(zhan)成為了(le)產業(ye)化(hua)的(de)(de)(de)(de)趨(qu)勢，那么在未(wei)來(lai)(lai)對(dui)(dui)于(yu)(yu)桁架(jia)樓(lou)承(cheng)(cheng)板來(lai)(lai)說(shuo)(shuo)，應該有好的(de)(de)(de)(de)市(shi)場發展(zhan)前景，現(xian)(xian)在我們就要來(lai)(lai)說(shuo)(shuo)一(yi)(yi)說(shuo)(shuo)鋼筋桁架(jia)樓(lou)承(cheng)(cheng)板在使用(yong)過程當中如何進行防腐的(de)(de)(de)(de)操作。如今對(dui)(dui)于(yu)(yu)我們國(guo)家(jia)(jia)的(de)(de)(de)(de)建筑(zhu)鋼結構來(lai)(lai)說(shuo)(shuo)，它們的(de)(de)(de)(de)發展(zhan)趨(qu)勢是(shi)特(te)別好的(de)(de)(de)(de)，它們也大(da)大(da)的(de)(de)(de)(de)推動了(le)我們國(guo)家(jia)(jia)的(de)(de)(de)(de)冶金(jin)行業(ye)的(de)(de)(de)(de)發展(zhan)，現(xian)(xian)在對(dui)(dui)于(yu)(yu)建筑(zhu)行業(ye)和(he)冶金(jin)行業(ye)已經緊(jin)緊(jin)的(de)(de)(de)(de)聯系在一(yi)(yi)起了(le)。對(dui)(dui)于(yu)(yu)未(wei)來(lai)(lai)我們的(de)(de)(de)(de)鋼筋桁架(jia)樓(lou)承(cheng)(cheng)板將會處于(yu)(yu)一(yi)(yi)個新的(de)(de)(de)(de)發展(zhan)時期。

重慶樓承板(ban)(ban)(ban)(ban)的(de)鍍(du)(du)鋅(xin)(xin)量沒有一個具體(ti)的(de)標準，制作壓(ya)型(xing)鋼(gang)板(ban)(ban)(ban)(ban)的(de)冷軋鋼(gang)卷須連續(xu)熱浸鍍(du)(du)鋅(xin)(xin)（或(huo)鍍(du)(du)鋁(lv)(lv)鋅(xin)(xin)），鍍(du)(du)（鋁(lv)(lv)）鋅(xin)(xin)量視設計要求而(er)定。樓承板(ban)(ban)(ban)(ban)用壓(ya)型(xing)鋼(gang)板(ban)(ban)(ban)(ban)宜選(xuan)擇熱浸鍍(du)(du)鋅(xin)(xin)鋼(gang)板(ban)(ban)(ban)(ban)。不允(yun)許使用電鍍(du)(du)鋅(xin)(xin)鋼(gang)板(ban)(ban)(ban)(ban)，電鍍(du)(du)鋅(xin)(xin)鋼(gang)板(ban)(ban)(ban)(ban)僅在基材表面形成保護層，防腐能(neng)力有限。目前市場上有鍍(du)(du)鋅(xin)(xin)鋼(gang)板(ban)(ban)(ban)(ban)（鍍(du)(du)層含鋁(lv)(lv)5%或(huo)55%），在酸性環境下的(de)防腐效(xiao)果(guo)由于熱浸鍍(du)(du)鋅(xin)(xin)鋼(gang)板(ban)(ban)(ban)(ban)，但在混(hun)凝(ning)土(tu)的(de)堿性條件下，鍍(du)(du)鋁(lv)(lv)鋅(xin)(xin)的(de)防腐蝕性能(neng)低于熱浸鍍(du)(du)鋅(xin)(xin)鋼(gang)板(ban)(ban)(ban)(ban)，且鋁(lv)(lv)會和混(hun)凝(ning)土(tu)發生反(fan)應，并降低混(hun)凝(ning)土(tu)與鋼(gang)板(ban)(ban)(ban)(ban)的(de)粘結(jie)性能(neng)。因此參(can)考國(guo)外規范，及國(guo)內外工程，行家壓(ya)型(xing)鋼(gang)板(ban)(ban)(ban)(ban)不建議使用鍍(du)(du)鋁(lv)(lv)鋅(xin)(xin)鋼(gang)板(ban)(ban)(ban)(ban)。

樓(lou)(lou)承(cheng)(cheng)板(ban)(ban)(ban)習慣主體鋼(gang)結構快(kuai)速施工(gong)的(de)(de)要求，能夠在(zai)短時(shi)間(jian)內提供堅定(ding)(ding)(ding)的(de)(de)作(zuo)業渠道，并可采用(yong)多個樓(lou)(lou)層鋪設壓(ya)型(xing)鋼(gang)板(ban)(ban)(ban)，分層澆筑混(hun)凝土(tu)板(ban)(ban)(ban)的(de)(de)流水施工(gong)。在(zai)運用(yong)階段(duan)樓(lou)(lou)承(cheng)(cheng)板(ban)(ban)(ban)作(zuo)為混(hun)凝土(tu)樓(lou)(lou)板(ban)(ban)(ban)的(de)(de)受(shou)拉鋼(gang)筋，也提高了(le)樓(lou)(lou)板(ban)(ban)(ban)的(de)(de)剛度(du)(du)(du)，節省(sheng)了(le)鋼(gang)筋和(he)混(hun)凝土(tu)的(de)(de)用(yong)量。樓(lou)(lou)承(cheng)(cheng)板(ban)(ban)(ban)上面能夠鋪設保溫，隔音，隔熱，隔振等資(zi)料。改進樓(lou)(lou)面性(xing)能充分發揮鋼(gang)的(de)(de)杰出的(de)(de)抗拉強(qiang)(qiang)(qiang)度(du)(du)(du)和(he)延(yan)性(xing)及(ji)(ji)混(hun)凝土(tu)優良的(de)(de)抗壓(ya)強(qiang)(qiang)(qiang)度(du)(du)(du)和(he)較(jiao)大的(de)(de)剛度(du)(du)(du)。壓(ya)型(xing)板(ban)(ban)(ban)表面壓(ya)紋使(shi)樓(lou)(lou)承(cheng)(cheng)板(ban)(ban)(ban)與(yu)混(hun)凝土(tu)之間(jian)產(chan)生大的(de)(de)結合力，使(shi)二(er)者(zhe)形成整體，配(pei)(pei)以加(jia)勁(jing)肋，使(shi)樓(lou)(lou)承(cheng)(cheng)板(ban)(ban)(ban)體系(xi)具有高強(qiang)(qiang)(qiang)承(cheng)(cheng)載力。在(zai)懸(xuan)(xuan)臂條件下，樓(lou)(lou)承(cheng)(cheng)板(ban)(ban)(ban)僅作(zuo)為性(xing)模板(ban)(ban)(ban)。懸(xuan)(xuan)挑(tiao)的(de)(de)長度(du)(du)(du)可根(gen)據樓(lou)(lou)承(cheng)(cheng)板(ban)(ban)(ban)的(de)(de)截面特性(xing)來定(ding)(ding)(ding)。為了(le)避免懸(xuan)(xuan)挑(tiao)板(ban)(ban)(ban)的(de)(de)開裂，需在(zai)支座處依結構工(gong)程師的(de)(de)規劃(hua)配(pei)(pei)上負筋。本(ben)公(gong)司(si)樓(lou)(lou)承(cheng)(cheng)板(ban)(ban)(ban)已通(tong)過(guo)國家固定(ding)(ding)(ding)救(jiu)活體系(xi)及(ji)(ji)耐火構件質(zhi)量檢測(ce)中心(xin)的(de)(de)耐火檢測(ce)，作(zuo)為組(zu)合樓(lou)(lou)承(cheng)(cheng)板(ban)(ban)(ban)無需防火噴涂，因(yin)而大大降低(di)了(le)工(gong)程造價。