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我(wo)國建(jian)(jian)(jian)筑(zhu)業(ye)(ye)中,噪聲污染問題久為人(ren)們(men)所詬病。輕(qing)型(xing)樓(lou)(lou)(lou)承(cheng)(cheng)(cheng)板(ban)的(de)(de)(de)(de)應用(yong)使得土建(jian)(jian)(jian)建(jian)(jian)(jian)筑(zhu)物(wu)局面被(bei)(bei)打破,集環境破壞(huai)及污染少(shao)、材料回收(shou)和利(li)用(yong)率(lv)高(gao)、符合可持續發展(zhan)(zhan)要求等(deng)眾多優點(dian)于(yu)一身的(de)(de)(de)(de)樓(lou)(lou)(lou)承(cheng)(cheng)(cheng)板(ban)建(jian)(jian)(jian)筑(zhu)應運而生,逐(zhu)步被(bei)(bei)人(ren)們(men)所接(jie)受。輕(qing)型(xing)樓(lou)(lou)(lou)承(cheng)(cheng)(cheng)板(ban)是近十年來發展(zhan)(zhan)較快的(de)(de)(de)(de)領域,在采用(yong)輕(qing)型(xing)樓(lou)(lou)(lou)承(cheng)(cheng)(cheng)板(ban)占非(fei)住(zhu)宅(zhai)建(jian)(jian)(jian)筑(zhu)投(tou)資的(de)(de)(de)(de)50%以上。這種結(jie)構(gou)工業(ye)(ye)化(hua)、商品化(hua)程(cheng)度高(gao),施工快,綜(zong)合效益高(gao),市場(chang)需求量(liang)很大,已(yi)引(yin)起結(jie)構(gou)設計人(ren)員認識(shi)。樓(lou)(lou)(lou)承(cheng)(cheng)(cheng)板(ban)的(de)(de)(de)(de)研究開發已(yi)在各(ge)地試點(dian),是輕(qing)鋼發展(zhan)(zhan)的(de)(de)(de)(de)一個(ge)重要方(fang)向(xiang),目(mu)前已(yi)經有(you)多種的(de)(de)(de)(de)低層(ceng)(ceng)、多層(ceng)(ceng)和高(gao)層(ceng)(ceng)的(de)(de)(de)(de)設計方(fang)案(an)和實例。
樓(lou)承板(ban)(ban)的使用(yong)(yong)是需(xu)要(yao)(yao)安裝(zhuang)的,那么如果要(yao)(yao)安裝(zhuang)就要(yao)(yao)選擇合適(shi)的小(xiao)配(pei)(pei)件,焊后(hou)栓(shuan)(shuan)釘(ding)(ding)高度(du)大(da)(da)于壓(ya)型鋼(gang)(gang)板(ban)(ban)波(bo)高30MM(留意挑選樓(lou)板(ban)(ban)的類型);栓(shuan)(shuan)釘(ding)(ding)頂面混凝(ning)土保護層(ceng)不小(xiao)于15MM(留意樓(lou)板(ban)(ban)總厚(hou)度(du))直徑不宜大(da)(da)于19MM。樓(lou)承板(ban)(ban)栓(shuan)(shuan)釘(ding)(ding)類型有ф8、ф10、ф13、ф16、ф19、ф22、ф25,栓(shuan)(shuan)釘(ding)(ding)一(yi)般在鋼(gang)(gang)結構修建中(zhong)(zhong),遍(bian)及(ji)使用(yong)(yong)在柱(zhu)腳(jiao)和樓(lou)板(ban)(ban)中(zhong)(zhong),一(yi)般剛(gang)度(du)要(yao)(yao)求高的柱(zhu)腳(jiao)都選用(yong)(yong)鋼(gang)(gang)柱(zhu)內伸至(zhi)混凝(ning)土中(zhong)(zhong),鋼(gang)(gang)柱(zhu)埋入混凝(ning)土的部位四周均布栓(shuan)(shuan)釘(ding)(ding)。樓(lou)承板(ban)(ban)輕(qing)鋼(gang)(gang)結構常用(yong)(yong)厚(hou)度(du)為(wei)0.8mm,1.0mm,1.2mm,荷載較(jiao)大(da)(da)的情況(kuang)下會用(yong)(yong)到1.5mm。一(yi)般需(xu)要(yao)(yao)用(yong)(yong)栓(shuan)(shuan)釘(ding)(ding)與鋼(gang)(gang)梁銜接(jie),板(ban)(ban)中(zhong)(zhong)配(pei)(pei)少量(liang)鋼(gang)(gang)筋,上面澆混凝(ning)土層(ceng),總厚(hou)度(du)約在100-200mm之間。
彩涂卷廠家鍍鋅鋼板的表面鍍鋅主要采用的方法是熱鍍鋅。遂寧彩涂卷熱鍍(du)(du)(du)(du)鋅(xin)(xin)是(shi)由(you)較古(gu)老的熱鍍(du)(du)(du)(du)方法(fa)發(fa)(fa)展而來(lai)的,自從1836年(nian)法(fa)國把熱鍍(du)(du)(du)(du)鋅(xin)(xin)應用(yong)(yong)于工(gong)業以(yi)來(lai),已經有一百七十年(nian)的歷史了(le)。然而,熱鍍(du)(du)(du)(du)鋅(xin)(xin)工(gong)業是(shi)近三十年(nian)來(lai)伴隨(sui)冷(leng)軋帶鋼的飛速發(fa)(fa)展而得到了(le)大規模發(fa)(fa)展。鍍(du)(du)(du)(du)鋅(xin)(xin)溶液(ye)有氰(qing)(qing)(qing)化(hua)(hua)物鍍(du)(du)(du)(du)液(ye)和無(wu)氰(qing)(qing)(qing)鍍(du)(du)(du)(du)液(ye)兩類(lei)(lei)。氰(qing)(qing)(qing)化(hua)(hua)物鍍(du)(du)(du)(du)液(ye)中(zhong)分微氰(qing)(qing)(qing)、低氰(qing)(qing)(qing)、中(zhong)氰(qing)(qing)(qing)、和高氰(qing)(qing)(qing)幾類(lei)(lei)。無(wu)氰(qing)(qing)(qing)鍍(du)(du)(du)(du)液(ye)有堿性鋅(xin)(xin)酸鹽鍍(du)(du)(du)(du)液(ye)、銨鹽鍍(du)(du)(du)(du)液(ye)、硫酸鹽鍍(du)(du)(du)(du)液(ye)及(ji)無(wu)氨氯化(hua)(hua)物鍍(du)(du)(du)(du)液(ye)等。氰(qing)(qing)(qing)化(hua)(hua)鍍(du)(du)(du)(du)鋅(xin)(xin)溶液(ye)均鍍(du)(du)(du)(du)能力好,得到的鍍(du)(du)(du)(du)層光滑細致,在(zai)生(sheng)產中(zhong)被長期采(cai)用(yong)(yong)。但由(you)于氰(qing)(qing)(qing)化(hua)(hua)物劇毒(du),對環境污染嚴重,近年(nian)來(lai)已趨向于采(cai)用(yong)(yong)低氰(qing)(qing)(qing)、微氰(qing)(qing)(qing)、無(wu)氰(qing)(qing)(qing)鍍(du)(du)(du)(du)鋅(xin)(xin)溶液(ye)。
鍍鋅(xin)板使用(yong)(yong)的(de)(de)時(shi)候,自(zi)(zi)(zi)然也是要讓它在(zai)(zai)(zai)質(zhi)量(liang)上(shang)面(mian)達(da)到(dao)很(hen)好的(de)(de)表(biao)(biao)現(xian)(xian),但是對于它在(zai)(zai)(zai)自(zi)(zi)(zi)己(ji)(ji)的(de)(de)質(zhi)量(liang)表(biao)(biao)現(xian)(xian)表(biao)(biao)現(xian)(xian)來說,往(wang)往(wang)是有很(hen)多方(fang)面(mian)的(de)(de),那么(me)它在(zai)(zai)(zai)自(zi)(zi)(zi)己(ji)(ji)的(de)(de)質(zhi)量(liang)上(shang)面(mian)都是有什么(me)表(biao)(biao)現(xian)(xian)呢?首先一(yi)個(ge)方(fang)面(mian),就是它在(zai)(zai)(zai)自(zi)(zi)(zi)己(ji)(ji)的(de)(de)表(biao)(biao)面(mian)上(shang)要達(da)到(dao)平(ping)的(de)(de)要求,這(zhe)一(yi)點(dian)自(zi)(zi)(zi)然也是它在(zai)(zai)(zai)自(zi)(zi)(zi)己(ji)(ji)使用(yong)(yong)時(shi)的(de)(de)一(yi)個(ge)重要的(de)(de)表(biao)(biao)現(xian)(xian),現(xian)(xian)在(zai)(zai)(zai)也一(yi)些廠家,他們在(zai)(zai)(zai)生(sheng)產時(shi),因為沒有使用(yong)(yong)很(hen)好的(de)(de)設備,也或者是在(zai)(zai)(zai)技術上(shang)面(mian)低下(xia),自(zi)(zi)(zi)然就沒有這(zhe)方(fang)面(mian)的(de)(de)表(biao)(biao)現(xian)(xian)。重慶鍍鋅(xin)板本(ben)身的(de)(de)性能(neng)上(shang)面(mian)有很(hen)大的(de)(de)下(xia)降,而且因為它在(zai)(zai)(zai)自(zi)(zi)(zi)己(ji)(ji)的(de)(de)平(ping)上(shang)面(mian)沒有自(zi)(zi)(zi)己(ji)(ji)的(de)(de)表(biao)(biao)現(xian)(xian),同時(shi)用(yong)(yong)戶在(zai)(zai)(zai)自(zi)(zi)(zi)己(ji)(ji)使用(yong)(yong)時(shi),也不會達(da)到(dao)很(hen)高的(de)(de)使用(yong)(yong)壽命。