電 話:(曹老師)
電 話:(羅老師)
網 址:i65r1s.cn
地 址:重慶九(jiu)龍坡(po)綠(lv)云(yun)鋼材(cai)市(shi)場A9-293/雙福攀(pan)寶鋼材(cai)市(shi)場綠(lv)城路
樓(lou)(lou)承(cheng)板(ban)(ban)(ban)(ban)習慣主體(ti)鋼(gang)結構(gou)(gou)快(kuai)速施(shi)工的(de)(de)(de)要求,能夠(gou)在短時間內提供堅定的(de)(de)(de)作業渠(qu)道,并可采用多個(ge)樓(lou)(lou)層鋪設(she)壓(ya)型鋼(gang)板(ban)(ban)(ban)(ban),分(fen)層澆筑混(hun)(hun)(hun)凝(ning)土(tu)板(ban)(ban)(ban)(ban)的(de)(de)(de)流水施(shi)工。在運(yun)用階段(duan)樓(lou)(lou)承(cheng)板(ban)(ban)(ban)(ban)作為混(hun)(hun)(hun)凝(ning)土(tu)樓(lou)(lou)板(ban)(ban)(ban)(ban)的(de)(de)(de)受(shou)拉鋼(gang)筋(jin),也提高了樓(lou)(lou)板(ban)(ban)(ban)(ban)的(de)(de)(de)剛(gang)度,節省了鋼(gang)筋(jin)和(he)混(hun)(hun)(hun)凝(ning)土(tu)的(de)(de)(de)用量(liang)。樓(lou)(lou)承(cheng)板(ban)(ban)(ban)(ban)上面(mian)(mian)能夠(gou)鋪設(she)保(bao)溫(wen),隔(ge)(ge)音(yin),隔(ge)(ge)熱,隔(ge)(ge)振等(deng)資料。改進樓(lou)(lou)面(mian)(mian)性(xing)(xing)能充分(fen)發(fa)揮鋼(gang)的(de)(de)(de)杰出的(de)(de)(de)抗拉強(qiang)度和(he)延性(xing)(xing)及混(hun)(hun)(hun)凝(ning)土(tu)優良(liang)的(de)(de)(de)抗壓(ya)強(qiang)度和(he)較(jiao)大(da)(da)(da)的(de)(de)(de)剛(gang)度。壓(ya)型板(ban)(ban)(ban)(ban)表面(mian)(mian)壓(ya)紋使(shi)樓(lou)(lou)承(cheng)板(ban)(ban)(ban)(ban)與混(hun)(hun)(hun)凝(ning)土(tu)之間產生大(da)(da)(da)的(de)(de)(de)結合力,使(shi)二者形成整體(ti),配以(yi)加勁(jing)肋,使(shi)樓(lou)(lou)承(cheng)板(ban)(ban)(ban)(ban)體(ti)系(xi)具有高強(qiang)承(cheng)載(zai)力。在懸(xuan)臂條件下,樓(lou)(lou)承(cheng)板(ban)(ban)(ban)(ban)僅作為性(xing)(xing)模板(ban)(ban)(ban)(ban)。懸(xuan)挑的(de)(de)(de)長度可根據樓(lou)(lou)承(cheng)板(ban)(ban)(ban)(ban)的(de)(de)(de)截面(mian)(mian)特(te)性(xing)(xing)來定。為了避免(mian)懸(xuan)挑板(ban)(ban)(ban)(ban)的(de)(de)(de)開裂(lie),需在支座處依結構(gou)(gou)工程師的(de)(de)(de)規劃配上負筋(jin)。本公司樓(lou)(lou)承(cheng)板(ban)(ban)(ban)(ban)已通過國家固定救活體(ti)系(xi)及耐火構(gou)(gou)件質量(liang)檢(jian)測(ce)中心的(de)(de)(de)耐火檢(jian)測(ce),作為組(zu)合樓(lou)(lou)承(cheng)板(ban)(ban)(ban)(ban)無(wu)需防火噴(pen)涂,因而大(da)(da)(da)大(da)(da)(da)降低了工程造價(jia)。
熱鍍鋅(xin)(xin)(xin)卷(juan)板價(jia)格行業統(tong)計數(shu)據(ju)顯示,十一月國內(nei)粗鋼日均產量(liang)為兩(liang)百零九萬噸,環(huan)比下降3.3%,創出今年以(yi)來水平,但(dan)是(shi)當前減(jian)(jian)產受到季節性因素(su)支(zhi)撐,市場(chang)對數(shu)據(ju)有效性提(ti)出質疑。鍍鋅(xin)(xin)(xin)卷(juan)工(gong)(gong)業品而言,近期陸續(xu)公布的重要數(shu)據(ju)中(zhong)性偏多。但(dan)值(zhi)得注意(yi)的是(shi),同年十一月熱鍍鋅(xin)(xin)(xin)卷(juan)板價(jia)格工(gong)(gong)業增(zeng)(zeng)加值(zhi)和投(tou)資增(zeng)(zeng)速放緩,進(jin)一步(bu)印證(zheng)了國內(nei)總(zong)需(xu)求乏(fa)力(li),工(gong)(gong)業復蘇形(xing)勢(shi)不容樂(le)觀。加上未來經濟(ji)結構調整(zheng)等因素(su),工(gong)(gong)業品價(jia)格反彈高度將有限。傳統(tong)需(xu)求淡(dan)季效應還在持續(xu)不斷地發酵(jiao),冬(dong)儲效果不佳。雖(sui)然數(shu)據(ju)顯示供(gong)應壓力(li)開始減(jian)(jian)輕,但(dan)是(shi)目前處(chu)于鋼鐵(tie)需(xu)求淡(dan)季,市場(chang)成交萎縮,下游采購遲(chi)遲(chi)未能有效跟(gen)進(jin),市場(chang)信(xin)心不足,鍍鋅(xin)(xin)(xin)鋼板貿易商囤貨現象也不明顯。
鍍鋅管價格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。蘭州攀鋼鍍鋅管這(zhe)種鋼(gang)(gang)板(ban)(ban)也是用(yong)熱(re)浸(jin)法制(zhi)造,但(dan)在出槽后,立即把它(ta)加熱(re)到500 ℃左右,使(shi)其生成鋅(xin)和(he)鐵的合(he)金(jin)被膜。這(zhe)種鍍(du)(du)鋅(xin)板(ban)(ban)具有(you)良好(hao)的涂料的密著性和(he)焊接性;電鍍(du)(du)鋅(xin)鋼(gang)(gang)板(ban)(ban)。用(yong)電鍍(du)(du)法制(zhi)造這(zhe)種鍍(du)(du)鋅(xin)鋼(gang)(gang)板(ban)(ban)具有(you)良好(hao)的加工性。但(dan)鍍(du)(du)層較薄,耐腐蝕性不如熱(re)浸(jin)法鍍(du)(du)鋅(xin)板(ban)(ban);單(dan)面鍍(du)(du)和(he)雙面差鍍(du)(du)鋅(xin)鋼(gang)(gang)板(ban)(ban)。單(dan)面鍍(du)(du)鋅(xin)鋼(gang)(gang)板(ban)(ban),即只(zhi)在一面鍍(du)(du)鋅(xin)的產(chan)品。在焊接、涂裝、防銹處(chu)理、加工等方面,具有(you)比雙面鍍(du)(du)鋅(xin)板(ban)(ban)好(hao)的適應(ying)性。
鍍鋅是(shi)一(yi)種(zhong)經常采用(yong)(yong)(yong)的(de)(de)經濟而(er)有效的(de)(de)防腐方法。鋅產量的(de)(de)一(yi)半(ban)左右均用(yong)(yong)(yong)于(yu)(yu)此(ci)種(zhong)工藝。鍍鋅卷(juan)是(shi)為防止鋼(gang)(gang)板(ban)(ban)表面遭受腐蝕延長其(qi)(qi)使用(yong)(yong)(yong)壽命,在(zai)(zai)鋼(gang)(gang)板(ban)(ban)表面涂以一(yi)層金屬鋅,這種(zhong)涂鋅的(de)(de)鋼(gang)(gang)板(ban)(ban)稱為鍍鋅卷(juan)。鍍鋅卷(juan)主(zhu)要用(yong)(yong)(yong)于(yu)(yu)建(jian)筑(zhu)、家電、汽(qi)車、容(rong)器、交通及家業等領域。特別是(shi)鋼(gang)(gang)結(jie)構建(jian)筑(zhu)、汽(qi)車制(zhi)造、鋼(gang)(gang)板(ban)(ban)倉制(zhi)造等行(xing)業。耐腐蝕強、表面質量好、得利于(yu)(yu)深(shen)加(jia)工、經濟實用(yong)(yong)(yong)等。有關(guan)產品(pin)標(biao)準都列(lie)明鍍鋅卷(juan)推薦的(de)(de)標(biao)準厚度、長度和(he)寬度及其(qi)(qi)允許偏差(cha)。鍍鋅卷(juan)厚度偏差(cha)一(yi)般在(zai)(zai)0.05mm,長寬偏差(cha)一(yi)般在(zai)(zai)5mm ,板(ban)(ban)材的(de)(de)厚度一(yi)般在(zai)(zai)0.2-3.2之間 。
隨著(zhu)鋼結(jie)構(gou)在(zai)建筑(zhu)材料中的(de)(de)(de)(de)(de)興起,越(yue)來(lai)越(yue)多的(de)(de)(de)(de)(de)人選擇使用(yong)(yong)鋼結(jie)構(gou)樓(lou)(lou)(lou)承(cheng)(cheng)板(ban)(ban)(ban)了(le),鋼結(jie)構(gou)構(gou)件(jian)工(gong)廠產(chan)業化(hua)生產(chan)大(da)大(da)縮短(duan)了(le)工(gong)程工(gong)期(qi),而樓(lou)(lou)(lou)板(ban)(ban)(ban)的(de)(de)(de)(de)(de)施工(gong)方法卻成為影(ying)響(xiang)工(gong)期(qi)的(de)(de)(de)(de)(de)重要(yao)因(yin)素。采用(yong)(yong)那一代樓(lou)(lou)(lou)承(cheng)(cheng)板(ban)(ban)(ban)對于樓(lou)(lou)(lou)板(ban)(ban)(ban)的(de)(de)(de)(de)(de)耐火性(xing)能(neng)也有區別。樓(lou)(lou)(lou)承(cheng)(cheng)板(ban)(ban)(ban)的(de)(de)(de)(de)(de)厚(hou)(hou)度一般都是按保(bao)險起見設計的(de)(de)(de)(de)(de)比較厚(hou)(hou),正常情(qing)況下鋼梁之間(jian)的(de)(de)(de)(de)(de)跨(kua)度在(zai)2m以(yi)內樓(lou)(lou)(lou)承(cheng)(cheng)板(ban)(ban)(ban)厚(hou)(hou)度在(zai)0.75-0.8mm就(jiu)(jiu)(jiu)(jiu)可以(yi)了(le),2-2.5m樓(lou)(lou)(lou)承(cheng)(cheng)板(ban)(ban)(ban)厚(hou)(hou)度用(yong)(yong)0.8-1.0就(jiu)(jiu)(jiu)(jiu)可以(yi)了(le),跨(kua)度在(zai)3-4米樓(lou)(lou)(lou)承(cheng)(cheng)板(ban)(ban)(ban)厚(hou)(hou)度用(yong)(yong)1.5mm,超過5m的(de)(de)(de)(de)(de)跨(kua)度是用(yong)(yong)臨時支撐,因(yin)素就(jiu)(jiu)(jiu)(jiu)是混泥(ni)(ni)土澆(jiao)(jiao)筑(zhu)的(de)(de)(de)(de)(de)高(gao)(gao)度,混泥(ni)(ni)土澆(jiao)(jiao)筑(zhu)的(de)(de)(de)(de)(de)越(yue)高(gao)(gao),樓(lou)(lou)(lou)承(cheng)(cheng)板(ban)(ban)(ban)所需(xu)要(yao)的(de)(de)(de)(de)(de)厚(hou)(hou)度也就(jiu)(jiu)(jiu)(jiu)越(yue)厚(hou)(hou),還有一個大(da)家容易忽略(lve)的(de)(de)(de)(de)(de)因(yin)素就(jiu)(jiu)(jiu)(jiu)是螺(luo)釘(ding)的(de)(de)(de)(de)(de)好(hao)(hao)壞也是決定(ding)樓(lou)(lou)(lou)承(cheng)(cheng)板(ban)(ban)(ban)厚(hou)(hou)度的(de)(de)(de)(de)(de),螺(luo)釘(ding)越(yue)好(hao)(hao)樓(lou)(lou)(lou)承(cheng)(cheng)板(ban)(ban)(ban)的(de)(de)(de)(de)(de)承(cheng)(cheng)載力就(jiu)(jiu)(jiu)(jiu)越(yue)強。