電 話:(曹老師)
電 話:(羅老師)
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地(di) 址:重慶九龍坡綠(lv)云(yun)鋼材市(shi)場A9-293/雙福攀寶鋼材市(shi)場綠(lv)城路
堆(dui)(dui)積樓(lou)(lou)(lou)(lou)承(cheng)板(ban)(ban)的地坪應基本平坦(tan),鋼(gang)筋桁(heng)架樓(lou)(lou)(lou)(lou)承(cheng)板(ban)(ban)堆(dui)(dui)積不宜過高,每堆(dui)(dui)不超越60張。樓(lou)(lou)(lou)(lou)承(cheng)板(ban)(ban)運(yun)至現場,需妥善保護,不得有任何損壞(huai)和(he)污染,特別(bie)不得感染油污。樓(lou)(lou)(lou)(lou)承(cheng)板(ban)(ban)應根(gen)據排版(ban)圖預先切開、編號。起吊(diao)(diao)前,每捆要有兩條鋼(gang)絲繩(sheng),分(fen)別(bie)捆于(yu)兩頭四(si)分(fen)之一鋼(gang)板(ban)(ban)長度(du)處,采用專用吊(diao)(diao)具吊(diao)(diao)起。應先行試吊(diao)(diao),檢查重心是否穩定(ding)(ding),鋼(gang)索是否會滑動,待(dai)牢靠,無慮時(shi)(shi)方可吊(diao)(diao)起。起吊(diao)(diao)時(shi)(shi),應從下往上樓(lou)(lou)(lou)(lou)層次(ci)序吊(diao)(diao)料為原則,避(bi)免(mian)因(yin)(yin)先行吊(diao)(diao)放(fang)上層資料后,阻(zu)止下面樓(lou)(lou)(lou)(lou)層的吊(diao)(diao)放(fang)作業。整疊樓(lou)(lou)(lou)(lou)承(cheng)板(ban)(ban)放(fang)梁面時(shi)(shi),應考慮梁的承(cheng)載(zai)能(neng)力,避(bi)免(mian)因(yin)(yin)集中載(zai)荷(he)過大,造成梁的變形。樓(lou)(lou)(lou)(lou)承(cheng)板(ban)(ban)吊(diao)(diao)至樓(lou)(lou)(lou)(lou)層,暫時(shi)(shi)不鋪設時(shi)(shi),應作牢靠固定(ding)(ding),避(bi)免(mian)飛落和(he)滑落傷(shang)人。
鍍(du)(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)鋼板的表面鍍(du)(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)主要采用的方法是(shi)熱鍍(du)(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)。熱鍍(du)(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)是(shi)由較古老(lao)的熱鍍(du)(du)(du)(du)(du)(du)(du)方法發(fa)(fa)展而來(lai)的,自從(cong)1836年(nian)法國(guo)把熱鍍(du)(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)應用于(yu)工(gong)(gong)業(ye)以來(lai),已(yi)經(jing)有(you)一(yi)百七十年(nian)的歷(li)史(shi)了(le)。然而,熱鍍(du)(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)工(gong)(gong)業(ye)是(shi)近(jin)三十年(nian)來(lai)伴(ban)隨(sui)冷軋帶鋼的飛速發(fa)(fa)展而得到了(le)大規模發(fa)(fa)展。鍍(du)(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)溶液(ye)(ye)(ye)有(you)氰(qing)(qing)(qing)(qing)化物(wu)鍍(du)(du)(du)(du)(du)(du)(du)液(ye)(ye)(ye)和(he)無(wu)氰(qing)(qing)(qing)(qing)鍍(du)(du)(du)(du)(du)(du)(du)液(ye)(ye)(ye)兩類。氰(qing)(qing)(qing)(qing)化物(wu)鍍(du)(du)(du)(du)(du)(du)(du)液(ye)(ye)(ye)中分微氰(qing)(qing)(qing)(qing)、低氰(qing)(qing)(qing)(qing)、中氰(qing)(qing)(qing)(qing)、和(he)高氰(qing)(qing)(qing)(qing)幾(ji)類。無(wu)氰(qing)(qing)(qing)(qing)鍍(du)(du)(du)(du)(du)(du)(du)液(ye)(ye)(ye)有(you)堿性(xing)鋅(xin)(xin)(xin)酸鹽鍍(du)(du)(du)(du)(du)(du)(du)液(ye)(ye)(ye)、銨鹽鍍(du)(du)(du)(du)(du)(du)(du)液(ye)(ye)(ye)、硫酸鹽鍍(du)(du)(du)(du)(du)(du)(du)液(ye)(ye)(ye)及無(wu)氨氯化物(wu)鍍(du)(du)(du)(du)(du)(du)(du)液(ye)(ye)(ye)等。氰(qing)(qing)(qing)(qing)化鍍(du)(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)溶液(ye)(ye)(ye)均(jun)鍍(du)(du)(du)(du)(du)(du)(du)能力好,得到的鍍(du)(du)(du)(du)(du)(du)(du)層光滑細致,在生產中被長期采用。但由于(yu)氰(qing)(qing)(qing)(qing)化物(wu)劇毒,對環境污染嚴重,近(jin)年(nian)來(lai)已(yi)趨向于(yu)采用低氰(qing)(qing)(qing)(qing)、微氰(qing)(qing)(qing)(qing)、無(wu)氰(qing)(qing)(qing)(qing)鍍(du)(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)溶液(ye)(ye)(ye)。
近期鋼(gang)價(jia)(jia)延續低(di)(di)迷,隨著通國規模的酷暑和旱季到來,熱(re)鍍鋅(xin)卷板(ban)價(jia)(jia)格商(shang)場逐(zhu)漸(jian)進入需要旺季,海(hai)(hai)內(nei)鋼(gang)鐵商(shang)場或將(jiang)窄幅調整。在(zai)決策層(ceng)兩(liang)手抓制度(du)措施落(luo)實狀況、貨銀本(ben)位度(du)定(ding)向寬松力度(du)加大的直觀層(ceng)面利好牽動下,商(shang)場信念逐(zhu)漸(jian)趨穩(wen),短期海(hai)(hai)內(nei)鋼(gang)價(jia)(jia)無望止跌企(qi)穩(wen);另一上面,以后鋼(gang)價(jia)(jia)殺跌電能有余,而(er)上漲(zhang)也(ye)仍然屏(ping)障重(zhong)重(zhong)。熱(re)鍍鋅(xin)卷板(ban)價(jia)(jia)格價(jia)(jia)錢或將(jiang)長期在(zai)于(yu)低(di)(di)位運行(xing)場面。
廣東攀鋼冷軋板要看整個樓板的厚度來考慮挑選是用75波高系列的仍是51波高系列的,沉默有40系列,46系列,60系列,65波高系列。冷軋板批發一般來(lai)說(shuo)波(bo)高(gao)(gao)越低,承(cheng)載力(li)就越低,然后就是波(bo)峰距離(li)越大,承(cheng)載力(li)就越小,假如整個樓板厚度在(zai)10公(gong)分以(yi)內(nei)(nei),好選用選用波(bo)高(gao)(gao)40系(xi)列(lie),整個樓板厚度在(zai)10-13公(gong)分以(yi)內(nei)(nei),好選用50波(bo)高(gao)(gao)系(xi)列(lie),在(zai)13公(gong)分以(yi)上,好選用75系(xi)列(lie)。有些人會(hui)問,為什么呀?其實《我國(guo)鋼(gang)筋混凝(ning)土修建(jian)規范》里有個要求,鋼(gang)筋上面的(de)(de)(de)混泥土保護層不(bu)能低于(yu)2.5cm,就是說(shuo)樓承(cheng)板自身的(de)(de)(de)波(bo)高(gao)(gao)+鋼(gang)筋網的(de)(de)(de)厚度(一般2cm)+2.5cm的(de)(de)(de)保護層≤樓板的(de)(de)(de)厚度。
重(zhong)慶(qing)樓(lou)承(cheng)板由(you)于在高(gao)層(ceng)建(jian)(jian)(jian)筑(zhu)和大(da)跨(kua)度高(gao)聳結構方面的(de)(de)優越(yue)性(xing),使(shi)其在非(fei)居(ju)住(zhu)建(jian)(jian)(jian)筑(zhu)領域得到了(le)廣泛的(de)(de)應用(yong)。用(yong)環保(bao)鋼筋桁(heng)架樓(lou)承(cheng)板建(jian)(jian)(jian)筑(zhu)的(de)(de)房子(zi)比傳(chuan)統(tong)房屋的(de)(de)重(zhong)量要輕(qing)一(yi)倍,運用(yong)面積也進步(bu)百分之五左(zuo)右,這(zhe)個(ge)就是它(ta)(ta)一(yi)大(da)優點(dian)自重(zhong)輕(qing)強度高(gao)。依據(ju)不完整的(de)(de)統(tong)計,我國在發作(zuo)(zuo)(zuo)地震時(shi)鋼筋桁(heng)架樓(lou)承(cheng)板建(jian)(jian)(jian)筑(zhu)的(de)(de)倒(dao)塌(ta)幾率簡(jian)直是零,所以它(ta)(ta)的(de)(de)抗(kang)震性(xing)能好也是它(ta)(ta)的(de)(de)優點(dian)之一(yi),由(you)于鋼筋桁(heng)架樓(lou)承(cheng)板建(jian)(jian)(jian)筑(zhu)的(de)(de)一(yi)些構件、墻板等有(you)關(guan)的(de)(de)建(jian)(jian)(jian)材都是在工(gong)(gong)廠里完成的(de)(de),所以就減少了(le)現場施(shi)(shi)工(gong)(gong)的(de)(de)工(gong)(gong)作(zuo)(zuo)(zuo)量,縮(suo)短了(le)施(shi)(shi)工(gong)(gong)的(de)(de)工(gong)(gong)作(zuo)(zuo)(zuo)時(shi)間,很契合產業化(hua)的(de)(de)請求(qiu),這(zhe)個(ge)是它(ta)(ta)的(de)(de)優勢,第三個(ge)就是它(ta)(ta)的(de)(de)可回收(shou)應用(yong)了(le),它(ta)(ta)能夠隨意的(de)(de)撤除和建(jian)(jian)(jian)造,關(guan)于環境不形成污染,還節約(yue)了(le)資源。