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鍍鋅鋼管批發鍍鋅鋼板是為防止鋼板表面遭受腐蝕,延長其使用壽命,在鋼板表面涂以一層金屬鋅,這種涂鋅的薄鋼板稱為鍍鋅板。赤水攀華鍍鋅鋼管鋼(gang)(gang)(gang)板(ban)(ban)(ban)也(ye)是(shi)用熱(re)浸法制造,但(dan)在(zai)出槽(cao)(cao)后,立(li)即把(ba)它加熱(re)到500℃左右(you),使(shi)其(qi)(qi)生成(cheng)(cheng)鋅(xin)(xin)(xin)(xin)和(he)鐵的(de)(de)(de)合(he)(he)金被(bei)膜。這(zhe)種(zhong)(zhong)鍍(du)鋅(xin)(xin)(xin)(xin)卷具(ju)有(you)良好的(de)(de)(de)涂(tu)料的(de)(de)(de)密(mi)著(zhu)性(xing)(xing)(xing)和(he)焊接性(xing)(xing)(xing)。合(he)(he)金化鍍(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)板(ban)(ban)(ban)。這(zhe)種(zhong)(zhong)鋼(gang)(gang)(gang)板(ban)(ban)(ban)也(ye)是(shi)用熱(re)浸法制造,但(dan)在(zai)出槽(cao)(cao)后,立(li)即把(ba)它加熱(re)到500℃左右(you),使(shi)其(qi)(qi)生成(cheng)(cheng)鋅(xin)(xin)(xin)(xin)和(he)鐵的(de)(de)(de)合(he)(he)金被(bei)膜。這(zhe)種(zhong)(zhong)鍍(du)鋅(xin)(xin)(xin)(xin)板(ban)(ban)(ban)具(ju)有(you)良好的(de)(de)(de)涂(tu)料的(de)(de)(de)密(mi)著(zhu)性(xing)(xing)(xing)和(he)焊接性(xing)(xing)(xing)。熱(re)浸鍍(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)板(ban)(ban)(ban)。將(jiang)薄鋼(gang)(gang)(gang)板(ban)(ban)(ban)浸入熔(rong)解的(de)(de)(de)鋅(xin)(xin)(xin)(xin)槽(cao)(cao)中,使(shi)其(qi)(qi)表面粘附一層鋅(xin)(xin)(xin)(xin)的(de)(de)(de)薄鋼(gang)(gang)(gang)板(ban)(ban)(ban)。目前主要(yao)采用連(lian)續鍍(du)鋅(xin)(xin)(xin)(xin)工藝生產,即把(ba)成(cheng)(cheng)卷的(de)(de)(de)鋼(gang)(gang)(gang)板(ban)(ban)(ban)連(lian)續浸在(zai)熔(rong)解有(you)鋅(xin)(xin)(xin)(xin)的(de)(de)(de)鍍(du)槽(cao)(cao)中制成(cheng)(cheng)鍍(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)板(ban)(ban)(ban)。合(he)(he)金、復合(he)(he)鍍(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)板(ban)(ban)(ban)。它是(shi)用鋅(xin)(xin)(xin)(xin)和(he)其(qi)(qi)他金屬如鉛、鋅(xin)(xin)(xin)(xin)制成(cheng)(cheng)合(he)(he)金乃至(zhi)復合(he)(he)鍍(du)成(cheng)(cheng)的(de)(de)(de)鋼(gang)(gang)(gang)板(ban)(ban)(ban)。這(zhe)種(zhong)(zhong)鋼(gang)(gang)(gang)板(ban)(ban)(ban)既(ji)具(ju)有(you)防銹性(xing)(xing)(xing)能,又有(you)良好的(de)(de)(de)涂(tu)裝性(xing)(xing)(xing)能。
鍍鋅(xin)(xin)(xin)(xin)(xin)(xin)鋼(gang)板(ban)(ban)(ban)按用(yong)(yong)(yong)(yong)途又可(ke)分為一(yi)(yi)(yi)般用(yong)(yong)(yong)(yong)、屋頂用(yong)(yong)(yong)(yong)、建筑外側板(ban)(ban)(ban)用(yong)(yong)(yong)(yong)、結(jie)構(gou)用(yong)(yong)(yong)(yong)、瓦壟板(ban)(ban)(ban)用(yong)(yong)(yong)(yong)、拉伸用(yong)(yong)(yong)(yong)和深(shen)沖用(yong)(yong)(yong)(yong)等鍍鋅(xin)(xin)(xin)(xin)(xin)(xin)鋼(gang)板(ban)(ban)(ban)。對于一(yi)(yi)(yi)般防(fang)(fang)保護(hu)(hu)用(yong)(yong)(yong)(yong)鍍層,可(ke)以采用(yong)(yong)(yong)(yong)堿性鋅(xin)(xin)(xin)(xin)(xin)(xin)酸鹽(yan)鍍鋅(xin)(xin)(xin)(xin)(xin)(xin)彩色(se)(se)鈍化(hua)工藝(yi)。有(you)時為了產(chan)品的(de)配色(se)(se)需要,也可(ke)以采用(yong)(yong)(yong)(yong)藍(lan)白色(se)(se)鈍化(hua)工藝(yi),比如軍綠色(se)(se)鈍化(hua)、黑色(se)(se)鈍化(hua)等。為提高鋼(gang)管的(de)耐(nai)腐(fu)蝕性能,對一(yi)(yi)(yi)般鋼(gang)管進(jin)行鍍鋅(xin)(xin)(xin)(xin)(xin)(xin)。鍍鋅(xin)(xin)(xin)(xin)(xin)(xin)卷分熱鍍鋅(xin)(xin)(xin)(xin)(xin)(xin)和電(dian)鍍鋅(xin)(xin)(xin)(xin)(xin)(xin)兩種(zhong),熱鍍鋅(xin)(xin)(xin)(xin)(xin)(xin)鍍鋅(xin)(xin)(xin)(xin)(xin)(xin)層厚,電(dian)鍍鋅(xin)(xin)(xin)(xin)(xin)(xin)成(cheng)本低,表面不是很光滑。吹(chui)氧焊管:用(yong)(yong)(yong)(yong)作(zuo)煉鋼(gang)吹(chui)氧用(yong)(yong)(yong)(yong)管,一(yi)(yi)(yi)般用(yong)(yong)(yong)(yong)小口徑的(de)焊接(jie)鋼(gang)管,規格由3/8-2寸(cun)八種(zhong)。用(yong)(yong)(yong)(yong)08、10、15、20或(huo)者195-Q235的(de)鋼(gang)帶制作(zuo)成(cheng)的(de),為了防(fang)(fang)腐(fu)蝕,有(you)得(de)進(jin)行滲鋁處理(li)。鍍鋅(xin)(xin)(xin)(xin)(xin)(xin)其防(fang)(fang)護(hu)(hu)作(zuo)用(yong)(yong)(yong)(yong)更強(qiang),抗腐(fu)蝕能力強(qiang)。整個結(jie)構(gou)由鋅(xin)(xin)(xin)(xin)(xin)(xin),形(xing)成(cheng)致密(mi)的(de)四元結(jie)晶體(ti),此結(jie)晶體(ti)在鋼(gang)板(ban)(ban)(ban)上形(xing)成(cheng)一(yi)(yi)(yi)層屏障, 因而有(you)效的(de)防(fang)(fang)止腐(fu)蝕因子穿(chuan)透。 耐(nai)腐(fu)蝕性來(lai)自鋅(xin)(xin)(xin)(xin)(xin)(xin)的(de)障礙層保護(hu)(hu)功能強(qiang)。
樓(lou)(lou)(lou)承(cheng)(cheng)(cheng)板(ban)(ban)適應主體鋼(gang)結(jie)構快(kuai)速施(shi)工的要求,能(neng)夠在短時(shi)間(jian)內(nei)提供堅(jian)定(ding)的作業平臺,并(bing)可采用(yong)多個樓(lou)(lou)(lou)層鋪設壓(ya)型(xing)(xing)鋼(gang)板(ban)(ban),分(fen)層澆筑混(hun)凝(ning)土板(ban)(ban)的流水施(shi)工。在使(shi)(shi)用(yong)階段樓(lou)(lou)(lou)承(cheng)(cheng)(cheng)板(ban)(ban)作為(wei)(wei)混(hun)凝(ning)土樓(lou)(lou)(lou)板(ban)(ban)的受拉(la)鋼(gang)筋,也提高了(le)(le)樓(lou)(lou)(lou)板(ban)(ban)的剛(gang)度(du),節省(sheng)了(le)(le)鋼(gang)筋和混(hun)凝(ning)土的用(yong)量。樓(lou)(lou)(lou)承(cheng)(cheng)(cheng)板(ban)(ban)上面可以鋪設保(bao)溫,隔音,隔熱,隔振等材料(liao)。樓(lou)(lou)(lou)面性(xing)能(neng)充分(fen)發揮(hui)鋼(gang)的良(liang)好的抗(kang)(kang)拉(la)強(qiang)(qiang)度(du)和延性(xing)及混(hun)凝(ning)土優良(liang)的抗(kang)(kang)壓(ya)強(qiang)(qiang)度(du)和較大的剛(gang)度(du)。壓(ya)型(xing)(xing)板(ban)(ban)表(biao)面壓(ya)紋使(shi)(shi)樓(lou)(lou)(lou)承(cheng)(cheng)(cheng)板(ban)(ban)與混(hun)凝(ning)土之間(jian)產生(sheng)大的結(jie)合力,使(shi)(shi)二者形成(cheng)整體,配以加勁肋,使(shi)(shi)樓(lou)(lou)(lou)承(cheng)(cheng)(cheng)板(ban)(ban)系統具有(you)高強(qiang)(qiang)承(cheng)(cheng)(cheng)載力。在懸(xuan)臂條件下,樓(lou)(lou)(lou)承(cheng)(cheng)(cheng)板(ban)(ban)僅作為(wei)(wei)性(xing)模(mo)板(ban)(ban)。懸(xuan)挑(tiao)的長度(du)可根據(ju)樓(lou)(lou)(lou)承(cheng)(cheng)(cheng)板(ban)(ban)的截面特性(xing)來定(ding)。為(wei)(wei)了(le)(le)防(fang)止(zhi)懸(xuan)挑(tiao)板(ban)(ban)的開(kai)裂,需在支座處(chu)依(yi)結(jie)構工程師(shi)的設計配上負筋。
樓承(cheng)板(ban)(ban)鋼(gang)(gang)筋桁架(jia)是將(jiang)樓板(ban)(ban)中的(de)(de)(de)(de)鋼(gang)(gang)筋在工(gong)廠(chang)采(cai)用(yong)(yong)進(jin)口(kou)設(she)備加工(gong)成鋼(gang)(gang)筋桁架(jia),并將(jiang)鋼(gang)(gang)筋桁架(jia)與(yu)鍍鋅鋼(gang)(gang)板(ban)(ban)在工(gong)廠(chang)焊(han)接成一體的(de)(de)(de)(de)組合模板(ban)(ban),使(shi)其在施(shi)工(gong)階段(duan)可作為鋼(gang)(gang)梁的(de)(de)(de)(de)側向支撐使(shi)用(yong)(yong)!樓板(ban)(ban)連接采(cai)用(yong)(yong)扣(kou)合方(fang)式(shi),板(ban)(ban)與(yu)板(ban)(ban)之(zhi)間的(de)(de)(de)(de)拉(la)鉤連接應緊(jin)密,保(bao)證澆筑混凝土時不漏漿(jiang),同時注(zhu)(zhu)意排板(ban)(ban)方(fang)向要一致,桁架(jia)節(jie)點間距為200㎜,注(zhu)(zhu)意不同模板(ban)(ban)的(de)(de)(de)(de)橫向節(jie)點要對(dui)齊。我(wo)們仔細觀察的(de)(de)(de)(de)話會發現很多高層建(jian)筑上都(dou)會設(she)置鋼(gang)(gang)筋桁架(jia)樓承(cheng)板(ban)(ban),我(wo)們雖然經常用(yong)(yong)到該(gai)樓承(cheng)板(ban)(ban),但(dan)很少有(you)人知(zhi)道這(zhe)種(zhong)板(ban)(ban)材為什么(me)會用(yong)(yong)于高層建(jian)筑中。下(xia)面(mian)小編(bian)將(jiang)為您介紹一下(xia)該(gai)板(ban)(ban)材在高層建(jian)筑中的(de)(de)(de)(de)使(shi)用(yong)(yong)優(you)勢!鋼(gang)(gang)筋樓承(cheng)板(ban)(ban)的(de)(de)(de)(de)搭接是有(you)著嚴格的(de)(de)(de)(de)施(shi)工(gong)要求(qiu)的(de)(de)(de)(de),為保(bao)障樓承(cheng)板(ban)(ban)安裝牢固,該(gai)板(ban)(ban)材的(de)(de)(de)(de)搭接需(xu)要按照說明書正(zheng)確進(jin)行,搭接過程中還需(xu)要注(zhu)(zhu)意,沿(yan)順肋方(fang)向,壓型鋼(gang)(gang)板(ban)(ban)如果可以滿足正(zheng)截(jie)面(mian)承(cheng)載(zai)力(li)及剪切粘(zhan)(zhan)結承(cheng)載(zai)力(li)的(de)(de)(de)(de)要求(qiu),可以不用(yong)(yong)配順肋方(fang)向的(de)(de)(de)(de)鋼(gang)(gang)筋,這(zhe)時候要注(zhu)(zhu)意計算剪切粘(zhan)(zhan)結承(cheng)載(zai)力(li)。
熱(re)(re)(re)鍍(du)(du)鋅(xin)(xin)(xin)板(ban)和(he)電鍍(du)(du)鋅(xin)(xin)(xin)板(ban)在鍍(du)(du)鋅(xin)(xin)(xin)量(liang)上有很(hen)(hen)大(da)(da)的(de)差別(bie),就像山(shan)東彩涂卷)。熱(re)(re)(re)鍍(du)(du)鋅(xin)(xin)(xin)的(de)鍍(du)(du)鋅(xin)(xin)(xin)量(liang)不可(ke)能太小,一般較(jiao)(jiao)小為(wei)雙面50~60g/m2,較(jiao)(jiao)大(da)(da)可(ke)達(da)600g/m2。電鍍(du)(du)鋅(xin)(xin)(xin)板(ban)的(de)鍍(du)(du)鋅(xin)(xin)(xin)層(ceng)可(ke)以很(hen)(hen)薄,較(jiao)(jiao)小達(da)15g/m2,但要(yao)求(qiu)鍍(du)(du)層(ceng)較(jiao)(jiao)厚(hou)的(de)話則生產(chan)線速(su)度很(hen)(hen)慢,不適應現(xian)代化機組的(de)工(gong)藝(yi)特點,一般較(jiao)(jiao)大(da)(da)為(wei)lO0g/m2左右。正因為(wei)如此,電鍍(du)(du)鋅(xin)(xin)(xin)板(ban)的(de)生產(chan)受(shou)到很(hen)(hen)大(da)(da)的(de)限制。工(gong)一般電鍍(du)(du)鋅(xin)(xin)(xin)比較(jiao)(jiao)多,適用(yong)于(yu)(yu)小部件;熱(re)(re)(re)鍍(du)(du)鋅(xin)(xin)(xin)一般用(yong)于(yu)(yu)電力設(she)備和(he)構件,適用(yong)于(yu)(yu)大(da)(da)的(de)部件和(he)設(she)備。當(dang)然他們的(de)價格也相對便宜一些。建設(she)部已正式下文,淘汰技術落后的(de)冷鍍(du)(du)鋅(xin)(xin)(xin)管,不準用(yong)冷鍍(du)(du)鋅(xin)(xin)(xin)管作(zuo)水、煤氣管。