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地 址:重慶九龍坡綠(lv)云鋼(gang)材市場A9-293/雙福(fu)攀(pan)寶鋼(gang)材市場綠(lv)城路(lu)
電鍍鋅廠家樓承板鋼筋桁架是將樓板中的鋼筋在工廠采用進口設備加工成鋼筋桁架,并將鋼筋桁架與鍍鋅鋼板在工廠焊接成一體的組合模板,使其在施工階段可作為鋼梁的側向支撐使用!簡陽攀華電鍍鋅樓(lou)板(ban)(ban)連(lian)(lian)接(jie)采用扣合方式,板(ban)(ban)與(yu)板(ban)(ban)之間的(de)(de)(de)(de)拉鉤(gou)連(lian)(lian)接(jie)應(ying)緊密,保證澆筑混凝土時(shi)不漏漿,同時(shi)注(zhu)(zhu)意(yi)排(pai)板(ban)(ban)方向要一致(zhi),桁架節點間距為200㎜,注(zhu)(zhu)意(yi)不同模板(ban)(ban)的(de)(de)(de)(de)橫向節點要對齊(qi)。我們仔細觀察的(de)(de)(de)(de)話會發現很多高層建(jian)筑上都會設置(zhi)鋼筋桁架樓(lou)承板(ban)(ban),我們雖然經常用到該(gai)(gai)樓(lou)承板(ban)(ban),但很少有人知道(dao)這(zhe)種(zhong)板(ban)(ban)材(cai)為什么會用于(yu)高層建(jian)筑中。下(xia)面(mian)小編將為您介紹一下(xia)該(gai)(gai)板(ban)(ban)材(cai)在高層建(jian)筑中的(de)(de)(de)(de)使用優勢!鋼筋樓(lou)承板(ban)(ban)的(de)(de)(de)(de)搭接(jie)是有著嚴格(ge)的(de)(de)(de)(de)施工要求的(de)(de)(de)(de),為保障樓(lou)承板(ban)(ban)安裝牢固(gu),該(gai)(gai)板(ban)(ban)材(cai)的(de)(de)(de)(de)搭接(jie)需(xu)(xu)要按照(zhao)說明書正確進(jin)行,搭接(jie)過程中還需(xu)(xu)要注(zhu)(zhu)意(yi),沿順(shun)(shun)肋方向,壓(ya)型鋼板(ban)(ban)如果可以滿足正截面(mian)承載力及剪切(qie)粘結(jie)承載力的(de)(de)(de)(de)要求,可以不用配順(shun)(shun)肋方向的(de)(de)(de)(de)鋼筋,這(zhe)時(shi)候要注(zhu)(zhu)意(yi)計(ji)算(suan)剪切(qie)粘結(jie)承載力。
樓(lou)承(cheng)(cheng)(cheng)(cheng)板(ban)(ban)適應主體鋼結構快(kuai)速(su)施工(gong)的要(yao)求,能(neng)夠在短時(shi)間內提供(gong)堅定(ding)的作(zuo)(zuo)業平臺,并可(ke)采用多個樓(lou)層鋪(pu)設(she)壓(ya)型(xing)鋼板(ban)(ban),分(fen)(fen)層澆筑混(hun)凝(ning)土(tu)(tu)板(ban)(ban)的流水施工(gong)。在使(shi)用階段(duan)樓(lou)承(cheng)(cheng)(cheng)(cheng)板(ban)(ban)作(zuo)(zuo)為(wei)混(hun)凝(ning)土(tu)(tu)樓(lou)板(ban)(ban)的受拉鋼筋(jin),也提高了(le)樓(lou)板(ban)(ban)的剛度(du)(du),節省了(le)鋼筋(jin)和(he)混(hun)凝(ning)土(tu)(tu)的用量。樓(lou)承(cheng)(cheng)(cheng)(cheng)板(ban)(ban)上(shang)面可(ke)以鋪(pu)設(she)保溫,隔(ge)音,隔(ge)熱(re),隔(ge)振等材料(liao)。樓(lou)面性能(neng)充分(fen)(fen)發(fa)揮鋼的良好(hao)的抗(kang)拉強度(du)(du)和(he)延性及混(hun)凝(ning)土(tu)(tu)優良的抗(kang)壓(ya)強度(du)(du)和(he)較(jiao)大的剛度(du)(du)。壓(ya)型(xing)板(ban)(ban)表面壓(ya)紋(wen)使(shi)樓(lou)承(cheng)(cheng)(cheng)(cheng)板(ban)(ban)與(yu)混(hun)凝(ning)土(tu)(tu)之(zhi)間產生大的結合力,使(shi)二者(zhe)形成整體,配以加勁肋(lei),使(shi)樓(lou)承(cheng)(cheng)(cheng)(cheng)板(ban)(ban)系(xi)統(tong)具有(you)高強承(cheng)(cheng)(cheng)(cheng)載力。在懸臂條(tiao)件下,樓(lou)承(cheng)(cheng)(cheng)(cheng)板(ban)(ban)僅作(zuo)(zuo)為(wei)性模板(ban)(ban)。懸挑的長度(du)(du)可(ke)根據樓(lou)承(cheng)(cheng)(cheng)(cheng)板(ban)(ban)的截面特性來定(ding)。為(wei)了(le)防止懸挑板(ban)(ban)的開裂(lie),需在支座處依(yi)結構工(gong)程師的設(she)計配上(shang)負筋(jin)。
鍍(du)(du)鋅(xin)鋼(gang)板(ban)(ban)(ban)是(shi)(shi)(shi)為(wei)防(fang)止(zhi)鋼(gang)板(ban)(ban)(ban)表面遭受腐蝕,延長其使(shi)用壽命,在鋼(gang)板(ban)(ban)(ban)表面涂(tu)以一層金(jin)(jin)(jin)屬鋅(xin),這種(zhong)(zhong)涂(tu)鋅(xin)的(de)薄(bo)鋼(gang)板(ban)(ban)(ban)稱為(wei)鍍(du)(du)鋅(xin)板(ban)(ban)(ban)。鋼(gang)板(ban)(ban)(ban)也是(shi)(shi)(shi)用熱浸(jin)法(fa)制造,但(dan)在出槽(cao)后(hou),立即把(ba)(ba)它(ta)加熱到500℃左右(you),使(shi)其生(sheng)(sheng)成(cheng)鋅(xin)和鐵(tie)的(de)合(he)(he)金(jin)(jin)(jin)被(bei)膜。這種(zhong)(zhong)鍍(du)(du)鋅(xin)卷(juan)具有(you)(you)良(liang)好(hao)的(de)涂(tu)料(liao)的(de)密著性和焊接性。合(he)(he)金(jin)(jin)(jin)化(hua)鍍(du)(du)鋅(xin)鋼(gang)板(ban)(ban)(ban)。這種(zhong)(zhong)鋼(gang)板(ban)(ban)(ban)也是(shi)(shi)(shi)用熱浸(jin)法(fa)制造,但(dan)在出槽(cao)后(hou),立即把(ba)(ba)它(ta)加熱到500℃左右(you),使(shi)其生(sheng)(sheng)成(cheng)鋅(xin)和鐵(tie)的(de)合(he)(he)金(jin)(jin)(jin)被(bei)膜。這種(zhong)(zhong)鍍(du)(du)鋅(xin)板(ban)(ban)(ban)具有(you)(you)良(liang)好(hao)的(de)涂(tu)料(liao)的(de)密著性和焊接性。熱浸(jin)鍍(du)(du)鋅(xin)鋼(gang)板(ban)(ban)(ban)。將薄(bo)鋼(gang)板(ban)(ban)(ban)浸(jin)入熔(rong)解的(de)鋅(xin)槽(cao)中(zhong),使(shi)其表面粘附一層鋅(xin)的(de)薄(bo)鋼(gang)板(ban)(ban)(ban)。目(mu)前(qian)主要采用連(lian)續鍍(du)(du)鋅(xin)工(gong)藝生(sheng)(sheng)產,即把(ba)(ba)成(cheng)卷(juan)的(de)鋼(gang)板(ban)(ban)(ban)連(lian)續浸(jin)在熔(rong)解有(you)(you)鋅(xin)的(de)鍍(du)(du)槽(cao)中(zhong)制成(cheng)鍍(du)(du)鋅(xin)鋼(gang)板(ban)(ban)(ban)。合(he)(he)金(jin)(jin)(jin)、復合(he)(he)鍍(du)(du)鋅(xin)鋼(gang)板(ban)(ban)(ban)。它(ta)是(shi)(shi)(shi)用鋅(xin)和其他金(jin)(jin)(jin)屬如鉛、鋅(xin)制成(cheng)合(he)(he)金(jin)(jin)(jin)乃至復合(he)(he)鍍(du)(du)成(cheng)的(de)鋼(gang)板(ban)(ban)(ban)。這種(zhong)(zhong)鋼(gang)板(ban)(ban)(ban)既具有(you)(you)防(fang)銹性能,又有(you)(you)良(liang)好(hao)的(de)涂(tu)裝(zhuang)性能。
熱(re)鍍鋅(xin)卷板價(jia)格行業統計(ji)數據顯(xian)示,十一(yi)月(yue)國內(nei)(nei)粗鋼日均(jun)產量為(wei)兩百零九萬噸(dun),環比(bi)下降(jiang)3.3%,創出(chu)(chu)今年(nian)以來(lai)水(shui)平,但(dan)(dan)是(shi)(shi)當前(qian)減(jian)產受到季節性(xing)因(yin)素支撐,市場(chang)(chang)對(dui)數據有效性(xing)提出(chu)(chu)質疑。鍍鋅(xin)卷工業品而言,近期陸續公(gong)布(bu)的(de)重要數據中性(xing)偏多。但(dan)(dan)值得注意的(de)是(shi)(shi),同年(nian)十一(yi)月(yue)熱(re)鍍鋅(xin)卷板價(jia)格工業增(zeng)加(jia)值和投資增(zeng)速放緩(huan),進一(yi)步印證(zheng)了(le)國內(nei)(nei)總需求乏力,工業復蘇形勢不(bu)(bu)(bu)容樂觀(guan)。加(jia)上(shang)未來(lai)經濟結(jie)構調整(zheng)等因(yin)素,工業品價(jia)格反彈高度將有限。傳統需求淡(dan)季效應還在持續不(bu)(bu)(bu)斷地發酵,冬(dong)儲(chu)效果不(bu)(bu)(bu)佳。雖然(ran)數據顯(xian)示供應壓力開(kai)始減(jian)輕,但(dan)(dan)是(shi)(shi)目前(qian)處于(yu)鋼鐵(tie)需求淡(dan)季,市場(chang)(chang)成交萎(wei)縮,下游采(cai)購(gou)遲(chi)遲(chi)未能有效跟進,市場(chang)(chang)信(xin)心(xin)不(bu)(bu)(bu)足(zu),鍍鋅(xin)鋼板貿易商囤貨現象也不(bu)(bu)(bu)明顯(xian)。
鍍(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)帶(dai)(dai)鋼(gang)的鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)層特性 電鍍(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)層是不能(neng)形(xing)(xing)成(cheng)鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)花的,熱(re)鍍(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)層則有鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)花,其形(xing)(xing)成(cheng)過程如下(xia):當鍍(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)帶(dai)(dai)從(cong)鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)鍋(guo)出來(lai)后,經氣(qi)刀的噴吹,大量(liang)鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)液(ye)被吹回(hui)鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)鍋(guo),這時帶(dai)(dai)鋼(gang)表(biao)面還有純鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)層,呈液(ye) 態附在鋼(gang)板表(biao)面,在鋼(gang)板表(biao)面形(xing)(xing)成(cheng)大量(liang)結晶核,隨著鋼(gang)板上升冷卻(que),使(shi)結晶核慢(man)慢(man)長成(cheng)鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)花。冷卻(que)速度越快(kuai)鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)花越小,冷卻(que)速度越慢(man)鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)花越大。熱(re)鍍(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)帶(dai)(dai)鋼(gang)在我國市(shi)場一直是緊缺品種。從(cong)20世紀(ji)90年代中(zhong)期以來(lai),每年都要(yao)從(cong)國外進口80-100萬t左右。隨著國內經濟(ji)的發展,尤其是汽車(che)、家電及(ji)建筑業(ye)的發展,對鍍(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)帶(dai)(dai)鋼(gang)的需求量(liang)也大大增(zeng)加。
鍍(du)鋅(xin)(xin)(xin)(xin)(xin)方管(guan)是一(yi)種(zhong)具以熱軋或(huo)冷(leng)軋鍍(du)鋅(xin)(xin)(xin)(xin)(xin)帶鋼或(huo)鍍(du)鋅(xin)(xin)(xin)(xin)(xin)卷(juan)板為坯料經(jing)冷(leng)彎曲加(jia)工成型(xing)后(hou)再(zai)(zai)經(jing)高(gao)頻(pin)焊(han)接制(zhi)成的(de)方形(xing)截面(mian)形(xing)狀尺寸的(de)空(kong)心方形(xing)的(de)截面(mian)型(xing)鋼鋼管(guan);鍍(du)鋅(xin)(xin)(xin)(xin)(xin)卷(juan)或(huo)將事先做好的(de)冷(leng)彎空(kong)心型(xing)鋼管(guan)再(zai)(zai)經(jing)熱浸鍍(du)鋅(xin)(xin)(xin)(xin)(xin)加(jia)工而成的(de)鍍(du)鋅(xin)(xin)(xin)(xin)(xin)方矩管(guan)。鍍(du)鋅(xin)(xin)(xin)(xin)(xin)量是表示(shi)鍍(du)鋅(xin)(xin)(xin)(xin)(xin)板鋅(xin)(xin)(xin)(xin)(xin)層厚度的(de)一(yi)個普遍采用(yong)的(de)有效(xiao)方法。鍍(du)鋅(xin)(xin)(xin)(xin)(xin)量的(de)單位為g/m2。鍍(du)鋅(xin)(xin)(xin)(xin)(xin)層通過鈍(dun)化(hua)處(chu)(chu)理(li),可減少潮溫貯運條件下產生(sheng)折銹蝕(shi)(白銹) 。但這(zhe)種(zhong)化(hua)學處(chu)(chu)理(li)的(de)防(fang)腐蝕(shi)性能是有限的(de),而且,妨礙大(da)多(duo)數涂料的(de)附著性。這(zhe)種(zhong)處(chu)(chu)理(li)一(yi)般不用(yong)在鋅(xin)(xin)(xin)(xin)(xin)鐵合金鍍(du)層,除(chu)光整表面(mian)外,作(zuo)為常(chang)規(gui),生(sheng)產廠(chang)對其他類型(xing)的(de)鍍(du)鋅(xin)(xin)(xin)(xin)(xin)層均進行鈍(dun)化(hua)處(chu)(chu)理(li)。