電 話:(曹老師)
電 話:(羅老師)
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地 址:重慶(qing)九龍坡(po)綠云(yun)鋼材(cai)市場(chang)A9-293/雙(shuang)福攀寶鋼材(cai)市場(chang)綠城路
樓承(cheng)板鋼結構柱網間距(ju)一般5~9.0m×8~15m,次(ci)(ci)梁(liang)(liang)(liang)間距(ju)3m,而樓承(cheng)板下(xia)料(liao)長度(du)為4.97~8.97m,運輸與安裝(zhuang)均(jun)較(jiao)困(kun)難(nan),尤其是帶由(you)圓弧(hu)區垂(chui)直吊(diao)裝(zhuang)樓承(cheng)板,由(you)上(shang)而下(xia)在次(ci)(ci)梁(liang)(liang)(liang)狹間穿套比(bi)較(jiao)困(kun)難(nan),且打亂(luan)了次(ci)(ci)梁(liang)(liang)(liang)焊接正常工序(xu)。控制下(xia)料(liao)長度(du)為3~6m,則可避免垂(chui)直運輸時在次(ci)(ci)梁(liang)(liang)(liang)間無法吊(diao)運的(de)問題。 樓承(cheng)板吊(diao)運時采用(yong)專用(yong)軟(ruan)吊(diao)索(suo)。每次(ci)(ci)吊(diao)裝(zhuang)時應檢查軟(ruan)吊(diao)索(suo)是否有(you)撕裂(lie)、割斷現象。樓承(cheng)板擱置(zhi)在鋼梁(liang)(liang)(liang)上(shang)時應防止探(tan)頭。鋪(pu)(pu)料(liao)時操作人員應系帶,并(bing)保(bao)證(zheng)邊(bian)鋪(pu)(pu)設邊(bian)固定在周邊(bian)繩(sheng)上(shang)。 焊接采用(yong)熔透點(dian)焊連接,施焊前應準(zhun)備(bei)邊(bian)角料(liao)引弧(hu)試焊,調整施焊電流.因樓承(cheng)板底部(bu)無水(shui)平模板及(ji)垂(chui)直支撐,澆筑混凝土時布料(liao)不宜太集(ji)中,采用(yong)平板振搗器及(ji)時分攤振搗。
瀘州鍍鋅鋼板重慶樓承板分兩種。一種是把樓承板當做承受拉力的鋼筋計算的,另外一種是僅把樓承板作為模板計算而不參與受力的。做模板計算的比較簡單,直接按照跨度頂就行了。2米以下選0.8的,2-3米的選1.0的。鍍鋅鋼板批發樓承(cheng)板(ban)作為受力鋼筋(jin)計(ji)算(suan),就按(an)照模板(ban)的(de)選用(yong)樓承(cheng)板(ban)(或者(zhe)加厚且只(zhi)能加厚),然后在計(ji)算(suan)配(pei)筋(jin)的(de)時候可以按(an)照面積減少鋼筋(jin)用(yong)量。樓承(cheng)板(ban)不能單獨計(ji)算(suan)的(de),它和整個樓板(ban)是(shi)一(yi)個體系的(de)。
堆積樓(lou)(lou)承(cheng)板(ban)(ban)的(de)地(di)坪應(ying)基本平(ping)坦,鋼筋桁(heng)架樓(lou)(lou)承(cheng)板(ban)(ban)堆積不(bu)(bu)(bu)宜過(guo)高,每堆不(bu)(bu)(bu)超越60張。樓(lou)(lou)承(cheng)板(ban)(ban)運至(zhi)(zhi)現場(chang),需(xu)妥善(shan)保護,不(bu)(bu)(bu)得有任何損壞和污(wu)染(ran),特別不(bu)(bu)(bu)得感染(ran)油污(wu)。樓(lou)(lou)承(cheng)板(ban)(ban)應(ying)根據(ju)排版圖預先切開、編號。起(qi)吊(diao)(diao)(diao)前,每捆(kun)要有兩(liang)條鋼絲繩,分別捆(kun)于兩(liang)頭(tou)四(si)分之一鋼板(ban)(ban)長(chang)度處,采用專(zhuan)用吊(diao)(diao)(diao)具吊(diao)(diao)(diao)起(qi)。應(ying)先行試吊(diao)(diao)(diao),檢(jian)查重心(xin)是(shi)否(fou)穩定,鋼索是(shi)否(fou)會(hui)滑動,待牢(lao)靠(kao),無慮(lv)時(shi)方可吊(diao)(diao)(diao)起(qi)。起(qi)吊(diao)(diao)(diao)時(shi),應(ying)從(cong)下往上樓(lou)(lou)層次序吊(diao)(diao)(diao)料為原則,避免因先行吊(diao)(diao)(diao)放(fang)上層資料后,阻止下面(mian)樓(lou)(lou)層的(de)吊(diao)(diao)(diao)放(fang)作業。整疊樓(lou)(lou)承(cheng)板(ban)(ban)放(fang)梁(liang)面(mian)時(shi),應(ying)考慮(lv)梁(liang)的(de)承(cheng)載(zai)能力,避免因集中載(zai)荷過(guo)大,造成梁(liang)的(de)變形。樓(lou)(lou)承(cheng)板(ban)(ban)吊(diao)(diao)(diao)至(zhi)(zhi)樓(lou)(lou)層,暫時(shi)不(bu)(bu)(bu)鋪設(she)時(shi),應(ying)作牢(lao)靠(kao)固定,避免飛落和滑落傷人。
鍍(du)(du)(du)鋅(xin)(xin)鋼板的(de)表面鍍(du)(du)(du)鋅(xin)(xin)主要采用(yong)(yong)的(de)方法是(shi)熱(re)鍍(du)(du)(du)鋅(xin)(xin)。熱(re)鍍(du)(du)(du)鋅(xin)(xin)是(shi)由較古老的(de)熱(re)鍍(du)(du)(du)方法發展(zhan)而(er)來的(de),自(zi)從1836年(nian)(nian)(nian)(nian)法國(guo)把(ba)熱(re)鍍(du)(du)(du)鋅(xin)(xin)應(ying)用(yong)(yong)于(yu)工業(ye)以(yi)來,已經有(you)一百七十年(nian)(nian)(nian)(nian)的(de)歷史了(le)。然(ran)而(er),熱(re)鍍(du)(du)(du)鋅(xin)(xin)工業(ye)是(shi)近三(san)十年(nian)(nian)(nian)(nian)來伴隨冷軋(ya)帶鋼的(de)飛速(su)發展(zhan)而(er)得(de)到(dao)了(le)大規模(mo)發展(zhan)。鍍(du)(du)(du)鋅(xin)(xin)溶液有(you)氰(qing)(qing)化(hua)(hua)物(wu)(wu)鍍(du)(du)(du)液和(he)無(wu)氰(qing)(qing)鍍(du)(du)(du)液兩類。氰(qing)(qing)化(hua)(hua)物(wu)(wu)鍍(du)(du)(du)液中(zhong)分微氰(qing)(qing)、低(di)氰(qing)(qing)、中(zhong)氰(qing)(qing)、和(he)高(gao)氰(qing)(qing)幾類。無(wu)氰(qing)(qing)鍍(du)(du)(du)液有(you)堿性(xing)鋅(xin)(xin)酸鹽(yan)鍍(du)(du)(du)液、銨鹽(yan)鍍(du)(du)(du)液、硫酸鹽(yan)鍍(du)(du)(du)液及無(wu)氨氯化(hua)(hua)物(wu)(wu)鍍(du)(du)(du)液等。氰(qing)(qing)化(hua)(hua)鍍(du)(du)(du)鋅(xin)(xin)溶液均鍍(du)(du)(du)能力好,得(de)到(dao)的(de)鍍(du)(du)(du)層光滑細致(zhi),在(zai)生產中(zhong)被(bei)長期采用(yong)(yong)。但由于(yu)氰(qing)(qing)化(hua)(hua)物(wu)(wu)劇(ju)毒,對(dui)環境(jing)污染嚴重(zhong),近年(nian)(nian)(nian)(nian)來已趨向于(yu)采用(yong)(yong)低(di)氰(qing)(qing)、微氰(qing)(qing)、無(wu)氰(qing)(qing)鍍(du)(du)(du)鋅(xin)(xin)溶液。
隨著鋼(gang)(gang)結構在(zai)建筑材料中的(de)(de)(de)興(xing)起,越(yue)來越(yue)多(duo)的(de)(de)(de)人選擇使(shi)用鋼(gang)(gang)結構樓(lou)(lou)承(cheng)(cheng)板(ban)(ban)了,鋼(gang)(gang)結構構件工(gong)廠(chang)產業化生產大(da)大(da)縮短了工(gong)程工(gong)期,而樓(lou)(lou)板(ban)(ban)的(de)(de)(de)施(shi)工(gong)方法卻成為影響工(gong)期的(de)(de)(de)重要因(yin)(yin)素。采(cai)用那一代樓(lou)(lou)承(cheng)(cheng)板(ban)(ban)對于樓(lou)(lou)板(ban)(ban)的(de)(de)(de)耐火(huo)性能也有區別。樓(lou)(lou)承(cheng)(cheng)板(ban)(ban)的(de)(de)(de)厚度(du)(du)一般都(dou)是(shi)按保險起見設計的(de)(de)(de)比較厚,正常情況(kuang)下(xia)鋼(gang)(gang)梁之(zhi)間的(de)(de)(de)跨度(du)(du)在(zai)2m以(yi)內樓(lou)(lou)承(cheng)(cheng)板(ban)(ban)厚度(du)(du)在(zai)0.75-0.8mm就可(ke)以(yi)了,2-2.5m樓(lou)(lou)承(cheng)(cheng)板(ban)(ban)厚度(du)(du)用0.8-1.0就可(ke)以(yi)了,跨度(du)(du)在(zai)3-4米樓(lou)(lou)承(cheng)(cheng)板(ban)(ban)厚度(du)(du)用1.5mm,超(chao)過5m的(de)(de)(de)跨度(du)(du)是(shi)用臨(lin)時支撐(cheng),因(yin)(yin)素就是(shi)混(hun)泥(ni)土澆筑的(de)(de)(de)高(gao)度(du)(du),混(hun)泥(ni)土澆筑的(de)(de)(de)越(yue)高(gao),樓(lou)(lou)承(cheng)(cheng)板(ban)(ban)所需(xu)要的(de)(de)(de)厚度(du)(du)也就越(yue)厚,還有一個大(da)家容易忽略的(de)(de)(de)因(yin)(yin)素就是(shi)螺釘(ding)的(de)(de)(de)好(hao)壞也是(shi)決定樓(lou)(lou)承(cheng)(cheng)板(ban)(ban)厚度(du)(du)的(de)(de)(de),螺釘(ding)越(yue)好(hao)樓(lou)(lou)承(cheng)(cheng)板(ban)(ban)的(de)(de)(de)承(cheng)(cheng)載力就越(yue)強。