不同季節鋼結構要注意的事項不一樣,冬季湖北鋼結構安裝要注意幾點呢?
鋼(gang)(gang)(gang)(gang)結(jie)(jie)(jie)構(gou)(gou)(gou)(gou)制作(zuo)(zuo)和安(an)(an)(an)裝(zhuang)冬(dong)季(ji)施(shi)工(gong)(gong)嚴格(ge)依據(ju)(ju)有(you)關鋼(gang)(gang)(gang)(gang)結(jie)(jie)(jie)構(gou)(gou)(gou)(gou)冬(dong)季(ji)施(shi)工(gong)(gong)規(gui)(gui)定(ding)(ding)(ding)執(zhi)行(xing)。鋼(gang)(gang)(gang)(gang)構(gou)(gou)(gou)(gou)件(jian)正溫(wen)制作(zuo)(zuo)負(fu)溫(wen)安(an)(an)(an)裝(zhuang)時(shi)(shi),應(ying)(ying)(ying)(ying)根(gen)據(ju)(ju)環境溫(wen)度(du)(du)(du)的(de)(de)差異考慮構(gou)(gou)(gou)(gou)件(jian)收縮(suo)(suo)量,并在(zai)(zai)施(shi)工(gong)(gong)中(zhong)采取(qu)調整偏(pian)差的(de)(de)技(ji)術(shu)措施(shi)。參加(jia)負(fu)溫(wen)鋼(gang)(gang)(gang)(gang)結(jie)(jie)(jie)構(gou)(gou)(gou)(gou)施(shi)工(gong)(gong)的(de)(de)電(dian)焊(han)工(gong)(gong)應(ying)(ying)(ying)(ying)經過(guo)負(fu)溫(wen)度(du)(du)(du)焊(han)接工(gong)(gong)藝(yi)培訓,考試合(he)(he)格(ge),并取(qu)得相應(ying)(ying)(ying)(ying)的(de)(de)合(he)(he)格(ge)證(zheng)。負(fu)溫(wen)下(xia)使(shi)(shi)(shi)用的(de)(de)鋼(gang)(gang)(gang)(gang)材(cai)及有(you)關連(lian)接材(cai)料(liao)(liao)須附有(you)質量書,性能符合(he)(he)設(she)計和產品標準(zhun)的(de)(de)要(yao)(yao)求(qiu)。負(fu)溫(wen)下(xia)使(shi)(shi)(shi)用的(de)(de)焊(han)條外(wai)露不得超(chao)(chao)過(guo)2小時(shi)(shi),超(chao)(chao)過(guo)2小時(shi)(shi)重新烘(hong)焙,焊(han)條烘(hong)焙次數(shu)不超(chao)(chao)過(guo)3次。焊(han)劑在(zai)(zai)使(shi)(shi)(shi)用前按(an)規(gui)(gui)定(ding)(ding)(ding)進行(xing)烘(hong)烤(kao),使(shi)(shi)(shi)其含水(shui)量不超(chao)(chao)過(guo)0.1 %。負(fu)溫(wen)下(xia)使(shi)(shi)(shi)用的(de)(de)高強螺栓須有(you)產品合(he)(he)格(ge)證(zheng),并在(zai)(zai)負(fu)溫(wen)下(xia)進行(xing)扭矩系(xi)數(shu)、軸力(li)的(de)(de)復驗(yan)工(gong)(gong)作(zuo)(zuo)。負(fu)溫(wen)下(xia)鋼(gang)(gang)(gang)(gang)結(jie)(jie)(jie)構(gou)(gou)(gou)(gou)所用的(de)(de)涂(tu)料(liao)(liao)不得使(shi)(shi)(shi)用水(shui)涂(tu)料(liao)(liao)。構(gou)(gou)(gou)(gou)件(jian)下(xia)料(liao)(liao)時(shi)(shi),應(ying)(ying)(ying)(ying)預留收縮(suo)(suo)余量,焊(han)接收縮(suo)(suo)量和壓縮(suo)(suo)變(bian)形量應(ying)(ying)(ying)(ying)與鋼(gang)(gang)(gang)(gang)材(cai)在(zai)(zai)負(fu)溫(wen)度(du)(du)(du)下(xia)產生(sheng)(sheng)的(de)(de)收縮(suo)(suo)變(bian)形量相協調。構(gou)(gou)(gou)(gou)件(jian)組(zu)裝(zhuang)時(shi)(shi),按(an)工(gong)(gong)藝(yi)規(gui)(gui)定(ding)(ding)(ding)的(de)(de)順(shun)序(xu)由里往外(wai)擴展(zhan)組(zu)拼,在(zai)(zai)負(fu)溫(wen)組(zu)拼時(shi)(shi)做(zuo)試驗(yan)確定(ding)(ding)(ding)需(xu)要(yao)(yao)預留的(de)(de)焊(han)縫收縮(suo)(suo)值。.鋼(gang)(gang)(gang)(gang)構(gou)(gou)(gou)(gou)施(shi)工(gong)(gong)要(yao)(yao)搞好(hao)防(fang)火(huo) ,鋼(gang)(gang)(gang)(gang)結(jie)(jie)(jie)構(gou)(gou)(gou)(gou)在(zai)(zai)各項(xiang)操(cao)作(zuo)(zuo)過(guo)程(cheng)中(zhong)均應(ying)(ying)(ying)(ying)按(an)規(gui)(gui)定(ding)(ding)(ding)正確使(shi)(shi)(shi)用。鋼(gang)(gang)(gang)(gang)構(gou)(gou)(gou)(gou)屋面安(an)(an)(an)裝(zhuang)時(shi)(shi),一定(ding)(ding)(ding)要(yao)(yao)布置(zhi)安(an)(an)(an)裝(zhuang)好(hao)安(an)(an)(an)全(quan)(quan)(quan)(quan)網,并設(she)置(zhi)拉欄,以防(fang)止產生(sheng)(sheng)意外(wai)發生(sheng)(sheng)。鋼(gang)(gang)(gang)(gang)構(gou)(gou)(gou)(gou)施(shi)工(gong)(gong)堅(jian)持班前安(an)(an)(an)全(quan)(quan)(quan)(quan)會議制度(du)(du)(du),將(jiang)當日工(gong)(gong)作(zuo)(zuo)安(an)(an)(an)排及安(an)(an)(an)全(quan)(quan)(quan)(quan)注(zhu)意事項(xiang)進行(xing)交底(di)。鋼(gang)(gang)(gang)(gang)構(gou)(gou)(gou)(gou)定(ding)(ding)(ding)期進行(xing)安(an)(an)(an)全(quan)(quan)(quan)(quan)檢查,預防(fang)和控制事故的(de)(de)不安(an)(an)(an)全(quan)(quan)(quan)(quan)因素。鋼(gang)(gang)(gang)(gang)構(gou)(gou)(gou)(gou)起重指揮要(yao)(yao)果斷,指令要(yao)(yao)簡潔明確。鋼(gang)(gang)(gang)(gang)構(gou)(gou)(gou)(gou)施(shi)工(gong)(gong)加(jia)強現場保衛(wei),注(zhu)意防(fang)火(huo)防(fang)盜。鋼(gang)(gang)(gang)(gang)構(gou)(gou)(gou)(gou)施(shi)工(gong)(gong)吊(diao)裝(zhuang)作(zuo)(zuo)業范圍(wei)內設(she)安(an)(an)(an)全(quan)(quan)(quan)(quan)警戒線(xian),非操(cao)作(zuo)(zuo)人員禁止入內。鋼(gang)(gang)(gang)(gang)構(gou)(gou)(gou)(gou)施(shi)工(gong)(gong)所有(you)的(de)(de)安(an)(an)(an)全(quan)(quan)(quan)(quan)活動記錄及文(wen)件(jian)要(yao)(yao)齊(qi)全(quan)(quan)(quan)(quan)。