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鋼結構工程幾個重要質量控制點
- 分(fen)類:行業資訊
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- 發(fa)布(bu)時間:2023-04-13 09:07
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【概要描述】01.地(di)腳螺(luo)(luo)(luo)栓(shuan)(shuan)(shuan)(shuan)的(de)(de)(de)(de)(de)(de)(de)(de)預(yu)埋(mai) 地(di)腳螺(luo)(luo)(luo)栓(shuan)(shuan)(shuan)(shuan)的(de)(de)(de)(de)(de)(de)(de)(de)預(yu)埋(mai)質(zhi)(zhi)(zhi)(zhi)(zhi)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)直接(jie)(jie)(jie)(jie)(jie)(jie)(jie)影(ying)(ying)響(xiang)鋼(gang)(gang)(gang)結構(gou)(gou)(gou)的(de)(de)(de)(de)(de)(de)(de)(de)安(an)(an)(an)裝(zhuang)(zhuang)(zhuang)(zhuang)質(zhi)(zhi)(zhi)(zhi)(zhi)量(liang)(liang)(liang)(liang)(liang)(liang)(liang),控(kong)制(zhi)(zhi)(zhi)好地(di)腳螺(luo)(luo)(luo)栓(shuan)(shuan)(shuan)(shuan)(群(qun))的(de)(de)(de)(de)(de)(de)(de)(de)位置、垂直度(du)(du)(du)(du)(du)、長(chang)度(du)(du)(du)(du)(du)和(he)(he)標(biao)(biao)高(gao)(gao)(gao)(gao),對于減(jian)少(shao)擴(kuo)孔及(ji)(ji)(ji)(ji)調(diao)整工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)作(zuo)(zuo)(zuo)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(甚(shen)至避免(mian)返工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)),提(ti)高(gao)(gao)(gao)(gao)結構(gou)(gou)(gou)安(an)(an)(an)裝(zhuang)(zhuang)(zhuang)(zhuang)質(zhi)(zhi)(zhi)(zhi)(zhi)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)具有(you)(you)(you)重要(yao)(yao)(yao)(yao)(yao)(yao)(yao)(yao)意(yi)義。地(di)腳螺(luo)(luo)(luo)栓(shuan)(shuan)(shuan)(shuan)的(de)(de)(de)(de)(de)(de)(de)(de)預(yu)埋(mai)方(fang)(fang)法可(ke)采(cai)用(yong)(yong)(yong)直接(jie)(jie)(jie)(jie)(jie)(jie)(jie)預(yu)埋(mai)法,也(ye)(ye)可(ke)采(cai)用(yong)(yong)(yong)預(yu)留孔法。基(ji)礎砼(tong)澆筑前(qian)監(jian)理(li)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)師必(bi)(bi)須(xu)嚴(yan)(yan)格(ge)(ge)(ge)檢(jian)(jian)(jian)查(cha)(cha)(cha)(cha)(cha)預(yu)埋(mai)螺(luo)(luo)(luo)栓(shuan)(shuan)(shuan)(shuan)施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)方(fang)(fang)法的(de)(de)(de)(de)(de)(de)(de)(de)合(he)理(li)性、可(ke)靠性,以(yi)(yi)及(ji)(ji)(ji)(ji)各(ge)項(xiang)實(shi)測(ce)指標(biao)(biao)是(shi)(shi)(shi)(shi)否在(zai)規(gui)(gui)范(fan)(fan)規(gui)(gui)定范(fan)(fan)圍內。 02.焊(han)(han)(han)(han)接(jie)(jie)(jie)(jie)(jie)(jie)(jie)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)質(zhi)(zhi)(zhi)(zhi)(zhi)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)控(kong)制(zhi)(zhi)(zhi) 焊(han)(han)(han)(han)接(jie)(jie)(jie)(jie)(jie)(jie)(jie)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)是(shi)(shi)(shi)(shi)鋼(gang)(gang)(gang)結構(gou)(gou)(gou)制(zhi)(zhi)(zhi)作(zuo)(zuo)(zuo)和(he)(he)安(an)(an)(an)裝(zhuang)(zhuang)(zhuang)(zhuang)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)最(zui)(zui)重要(yao)(yao)(yao)(yao)(yao)(yao)(yao)(yao)的(de)(de)(de)(de)(de)(de)(de)(de)分(fen)(fen)項(xiang)之(zhi)一(yi)(yi)(yi)(yi),監(jian)理(li)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)師必(bi)(bi)須(xu)從事前(qian)準(zhun)備,施(shi)(shi)(shi)焊(han)(han)(han)(han)過程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)和(he)(he)成(cheng)品檢(jian)(jian)(jian)驗(yan)(yan)(yan)各(ge)個環(huan)節(jie),切實(shi)作(zuo)(zuo)(zuo)好焊(han)(han)(han)(han)接(jie)(jie)(jie)(jie)(jie)(jie)(jie)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)的(de)(de)(de)(de)(de)(de)(de)(de)質(zhi)(zhi)(zhi)(zhi)(zhi)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)控(kong)制(zhi)(zhi)(zhi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)作(zuo)(zuo)(zuo)。焊(han)(han)(han)(han)接(jie)(jie)(jie)(jie)(jie)(jie)(jie)質(zhi)(zhi)(zhi)(zhi)(zhi)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)問(wen)題(ti)(ti)較(jiao)多存(cun)在(zai)于手(shou)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)焊(han)(han)(han)(han)縫,這(zhe)些(xie)問(wen)題(ti)(ti)有(you)(you)(you):焊(han)(han)(han)(han)瘤(liu)、夾(jia)渣、氣孔、沒焊(han)(han)(han)(han)透、咬邊、錯邊、焊(han)(han)(han)(han)縫尺寸偏(pian)差(cha)大(da)、不(bu)(bu)(bu)用(yong)(yong)(yong)引(yin)弧板(ban)(ban)(ban)(ban)、焊(han)(han)(han)(han)接(jie)(jie)(jie)(jie)(jie)(jie)(jie)變(bian)形(xing)不(bu)(bu)(bu)矯正(zheng)、飛(fei)濺物(wu)清理(li)不(bu)(bu)(bu)凈等(deng)(deng)(deng)。鑒于這(zhe)種(zhong)(zhong)情(qing)況(kuang),監(jian)理(li)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)師必(bi)(bi)須(xu)做好以(yi)(yi)下(xia)(xia)各(ge)項(xiang)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)作(zuo)(zuo)(zuo): (l)檢(jian)(jian)(jian)查(cha)(cha)(cha)(cha)(cha)焊(han)(han)(han)(han)接(jie)(jie)(jie)(jie)(jie)(jie)(jie)原(yuan)材料出(chu)廠質(zhi)(zhi)(zhi)(zhi)(zhi)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)證(zheng)明書(shu); (2)檢(jian)(jian)(jian)查(cha)(cha)(cha)(cha)(cha)焊(han)(han)(han)(han)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)上(shang)崗(gang)證(zheng); (3)督(du)促進(jin)(jin)(jin)(jin)行(xing)(xing)(xing)必(bi)(bi)要(yao)(yao)(yao)(yao)(yao)(yao)(yao)(yao)的(de)(de)(de)(de)(de)(de)(de)(de)焊(han)(han)(han)(han)接(jie)(jie)(jie)(jie)(jie)(jie)(jie)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)藝(yi)試驗(yan)(yan)(yan); (4)施(shi)(shi)(shi)焊(han)(han)(han)(han)過程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)中(zhong)(zhong)(zhong)加強(qiang)(qiang)(qiang)巡視(shi)(shi)檢(jian)(jian)(jian)查(cha)(cha)(cha)(cha)(cha),監(jian)督(du)落實(shi)各(ge)項(xiang)技(ji)術措(cuo)施(shi)(shi)(shi); (5)嚴(yan)(yan)格(ge)(ge)(ge)進(jin)(jin)(jin)(jin)行(xing)(xing)(xing)焊(han)(han)(han)(han)縫質(zhi)(zhi)(zhi)(zhi)(zhi)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)外觀檢(jian)(jian)(jian)查(cha)(cha)(cha)(cha)(cha)和(he)(he)焊(han)(han)(han)(han)縫尺寸實(shi)測(ce); (6)督(du)促進(jin)(jin)(jin)(jin)行(xing)(xing)(xing)無(wu)損檢(jian)(jian)(jian)測(ce)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)作(zuo)(zuo)(zuo)。 03.高(gao)(gao)(gao)(gao)強(qiang)(qiang)(qiang)度(du)(du)(du)(du)(du)螺(luo)(luo)(luo)栓(shuan)(shuan)(shuan)(shuan)連(lian)(lian)接(jie)(jie)(jie)(jie)(jie)(jie)(jie)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng) 高(gao)(gao)(gao)(gao)強(qiang)(qiang)(qiang)度(du)(du)(du)(du)(du)螺(luo)(luo)(luo)栓(shuan)(shuan)(shuan)(shuan)連(lian)(lian)接(jie)(jie)(jie)(jie)(jie)(jie)(jie)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)也(ye)(ye)是(shi)(shi)(shi)(shi)鋼(gang)(gang)(gang)結構(gou)(gou)(gou)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)最(zui)(zui)重要(yao)(yao)(yao)(yao)(yao)(yao)(yao)(yao)的(de)(de)(de)(de)(de)(de)(de)(de)分(fen)(fen)項(xiang)之(zhi)一(yi)(yi)(yi)(yi),也(ye)(ye)是(shi)(shi)(shi)(shi)目(mu)前(qian)施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)質(zhi)(zhi)(zhi)(zhi)(zhi)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)的(de)(de)(de)(de)(de)(de)(de)(de)薄(bo)(bo)弱環(huan)節(jie)之(zhi)一(yi)(yi)(yi)(yi),主(zhu)要(yao)(yao)(yao)(yao)(yao)(yao)(yao)(yao)表(biao)現(xian)在(zai): (1)高(gao)(gao)(gao)(gao)強(qiang)(qiang)(qiang)度(du)(du)(du)(du)(du)螺(luo)(luo)(luo)栓(shuan)(shuan)(shuan)(shuan)有(you)(you)(you)以(yi)(yi)次(ci)充好現(xian)象,(用(yong)(yong)(yong)普通精(jing)制(zhi)(zhi)(zhi)螺(luo)(luo)(luo)栓(shuan)(shuan)(shuan)(shuan)代替(ti)高(gao)(gao)(gao)(gao)強(qiang)(qiang)(qiang)度(du)(du)(du)(du)(du)螺(luo)(luo)(luo)栓(shuan)(shuan)(shuan)(shuan)); (2)高(gao)(gao)(gao)(gao)強(qiang)(qiang)(qiang)度(du)(du)(du)(du)(du)螺(luo)(luo)(luo)栓(shuan)(shuan)(shuan)(shuan)連(lian)(lian)接(jie)(jie)(jie)(jie)(jie)(jie)(jie)面(mian)(mian)(mian)處(chu)(chu)理(li)達不(bu)(bu)(bu)到規(gui)(gui)范(fan)(fan)規(gui)(gui)定要(yao)(yao)(yao)(yao)(yao)(yao)(yao)(yao)求(qiu)(qiu),包括(kuo)表(biao)面(mian)(mian)(mian)處(chu)(chu)理(li)情(qing)況(kuang),平(ping)整密(mi)(mi)貼情(qing)況(kuang),螺(luo)(luo)(luo)栓(shuan)(shuan)(shuan)(shuan)孔質(zhi)(zhi)(zhi)(zhi)(zhi)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)情(qing)況(kuang)等(deng)(deng)(deng); (3)高(gao)(gao)(gao)(gao)強(qiang)(qiang)(qiang)度(du)(du)(du)(du)(du)螺(luo)(luo)(luo)栓(shuan)(shuan)(shuan)(shuan)施(shi)(shi)(shi)擰不(bu)(bu)(bu)按(an)規(gui)(gui)范(fan)(fan)規(gui)(gui)定進(jin)(jin)(jin)(jin)行(xing)(xing)(xing),如不(bu)(bu)(bu)分(fen)(fen)初擰、終(zhong)擰而(er)一(yi)(yi)(yi)(yi)次(ci)完(wan)成(cheng),不(bu)(bu)(bu)用(yong)(yong)(yong)扭矩扳手(shou)、全憑主(zhu)觀估計等(deng)(deng)(deng)。為保證(zheng)高(gao)(gao)(gao)(gao)強(qiang)(qiang)(qiang)度(du)(du)(du)(du)(du)螺(luo)(luo)(luo)栓(shuan)(shuan)(shuan)(shuan)連(lian)(lian)接(jie)(jie)(jie)(jie)(jie)(jie)(jie)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)的(de)(de)(de)(de)(de)(de)(de)(de)施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)質(zhi)(zhi)(zhi)(zhi)(zhi)量(liang)(liang)(liang)(liang)(liang)(liang)(liang),監(jian)理(li)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)師必(bi)(bi)須(xu)以(yi)(yi)高(gao)(gao)(gao)(gao)度(du)(du)(du)(du)(du)的(de)(de)(de)(de)(de)(de)(de)(de)責任(ren)心(xin),在(zai)督(du)促承(cheng)包單位提(ti)高(gao)(gao)(gao)(gao)質(zhi)(zhi)(zhi)(zhi)(zhi)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)意(yi)識(shi)、加強(qiang)(qiang)(qiang)質(zhi)(zhi)(zhi)(zhi)(zhi)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)管理(li)、落實(shi)質(zhi)(zhi)(zhi)(zhi)(zhi)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)保證(zheng)措(cuo)施(shi)(shi)(shi)的(de)(de)(de)(de)(de)(de)(de)(de)同時,積極采(cai)用(yong)(yong)(yong)旁站監(jian)督(du)、平(ping)行(xing)(xing)(xing)檢(jian)(jian)(jian)驗(yan)(yan)(yan)等(deng)(deng)(deng)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)作(zuo)(zuo)(zuo)方(fang)(fang)法,只(zhi)有(you)(you)(you)這(zhe)樣(yang)才能(neng)使(shi)高(gao)(gao)(gao)(gao)強(qiang)(qiang)(qiang)度(du)(du)(du)(du)(du)螺(luo)(luo)(luo)栓(shuan)(shuan)(shuan)(shuan)連(lian)(lian)接(jie)(jie)(jie)(jie)(jie)(jie)(jie)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)的(de)(de)(de)(de)(de)(de)(de)(de)施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)質(zhi)(zhi)(zhi)(zhi)(zhi)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)處(chu)(chu)于嚴(yan)(yan)格(ge)(ge)(ge)的(de)(de)(de)(de)(de)(de)(de)(de)控(kong)制(zhi)(zhi)(zhi)之(zhi)下(xia)(xia)。 04.鋼(gang)(gang)(gang)結構(gou)(gou)(gou)除(chu)(chu)銹及(ji)(ji)(ji)(ji)涂(tu)(tu)(tu)(tu)(tu)裝(zhuang)(zhuang)(zhuang)(zhuang)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng) 鋼(gang)(gang)(gang)結構(gou)(gou)(gou)的(de)(de)(de)(de)(de)(de)(de)(de)除(chu)(chu)銹和(he)(he)涂(tu)(tu)(tu)(tu)(tu)裝(zhuang)(zhuang)(zhuang)(zhuang)是(shi)(shi)(shi)(shi)目(mu)前(qian)鋼(gang)(gang)(gang)結構(gou)(gou)(gou)承(cheng)包單位較(jiao)易忽視(shi)(shi)的(de)(de)(de)(de)(de)(de)(de)(de)一(yi)(yi)(yi)(yi)項(xiang)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)作(zuo)(zuo)(zuo),也(ye)(ye)是(shi)(shi)(shi)(shi)鋼(gang)(gang)(gang)結構(gou)(gou)(gou)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)的(de)(de)(de)(de)(de)(de)(de)(de)薄(bo)(bo)弱環(huan)節(jie)。這(zhe)種(zhong)(zhong)現(xian)象不(bu)(bu)(bu)糾正(zheng),對鋼(gang)(gang)(gang)結構(gou)(gou)(gou)的(de)(de)(de)(de)(de)(de)(de)(de)施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)質(zhi)(zhi)(zhi)(zhi)(zhi)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)影(ying)(ying)響(xiang)甚(shen)大(da),因(yin)為除(chu)(chu)銹和(he)(he)涂(tu)(tu)(tu)(tu)(tu)裝(zhuang)(zhuang)(zhuang)(zhuang)質(zhi)(zhi)(zhi)(zhi)(zhi)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)的(de)(de)(de)(de)(de)(de)(de)(de)合(he)格(ge)(ge)(ge)與否直接(jie)(jie)(jie)(jie)(jie)(jie)(jie)影(ying)(ying)響(xiang)鋼(gang)(gang)(gang)結構(gou)(gou)(gou)今(jin)后使(shi)用(yong)(yong)(yong)期間的(de)(de)(de)(de)(de)(de)(de)(de)維(wei)護(hu)(hu)費(fei)用(yong)(yong)(yong),還影(ying)(ying)響(xiang)鋼(gang)(gang)(gang)結構(gou)(gou)(gou)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)的(de)(de)(de)(de)(de)(de)(de)(de)使(shi)用(yong)(yong)(yong)壽(shou)命、結構(gou)(gou)(gou)安(an)(an)(an)全及(ji)(ji)(ji)(ji)發生火災時的(de)(de)(de)(de)(de)(de)(de)(de)耐火時間(防(fang)火涂(tu)(tu)(tu)(tu)(tu)裝(zhuang)(zhuang)(zhuang)(zhuang))。造(zao)成(cheng)這(zhe)種(zhong)(zhong)現(xian)象的(de)(de)(de)(de)(de)(de)(de)(de)思想根源在(zai)于承(cheng)包單位有(you)(you)(you)關人員對涂(tu)(tu)(tu)(tu)(tu)裝(zhuang)(zhuang)(zhuang)(zhuang)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)作(zuo)(zuo)(zuo)的(de)(de)(de)(de)(de)(de)(de)(de)重要(yao)(yao)(yao)(yao)(yao)(yao)(yao)(yao)性認(ren)識(shi)不(bu)(bu)(bu)足(zu),再加上(shang)缺乏(fa)質(zhi)(zhi)(zhi)(zhi)(zhi)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)責任(ren)心(xin),甚(shen)至惟利(li)是(shi)(shi)(shi)(shi)圖,最(zui)(zui)終(zhong)導致涂(tu)(tu)(tu)(tu)(tu)裝(zhuang)(zhuang)(zhuang)(zhuang)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)質(zhi)(zhi)(zhi)(zhi)(zhi)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)經常出(chu)現(xian)問(wen)題(ti)(ti)。故監(jian)理(li)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)師必(bi)(bi)須(xu)對除(chu)(chu)銹和(he)(he)涂(tu)(tu)(tu)(tu)(tu)裝(zhuang)(zhuang)(zhuang)(zhuang)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)作(zuo)(zuo)(zuo)給予高(gao)(gao)(gao)(gao)度(du)(du)(du)(du)(du)重視(shi)(shi),對各(ge)個工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)序進(jin)(jin)(jin)(jin)行(xing)(xing)(xing)嚴(yan)(yan)格(ge)(ge)(ge)的(de)(de)(de)(de)(de)(de)(de)(de)檢(jian)(jian)(jian)查(cha)(cha)(cha)(cha)(cha)驗(yan)(yan)(yan)收,這(zhe)是(shi)(shi)(shi)(shi)確(que)保鋼(gang)(gang)(gang)結構(gou)(gou)(gou)涂(tu)(tu)(tu)(tu)(tu)裝(zhuang)(zhuang)(zhuang)(zhuang)質(zhi)(zhi)(zhi)(zhi)(zhi)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)的(de)(de)(de)(de)(de)(de)(de)(de)基(ji)礎和(he)(he)保障。 關于鋼(gang)(gang)(gang)結構(gou)(gou)(gou)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)的(de)(de)(de)(de)(de)(de)(de)(de)涂(tu)(tu)(tu)(tu)(tu)裝(zhuang)(zhuang)(zhuang)(zhuang)質(zhi)(zhi)(zhi)(zhi)(zhi)量(liang)(liang)(liang)(liang)(liang)(liang)(liang),應(ying)(ying)抓好以(yi)(yi)下(xia)(xia)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)作(zuo)(zuo)(zuo): (l)對鋼(gang)(gang)(gang)構(gou)(gou)(gou)件的(de)(de)(de)(de)(de)(de)(de)(de)除(chu)(chu)銹質(zhi)(zhi)(zhi)(zhi)(zhi)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)按(an)照設計要(yao)(yao)(yao)(yao)(yao)(yao)(yao)(yao)求(qiu)(qiu)的(de)(de)(de)(de)(de)(de)(de)(de)等(deng)(deng)(deng)級進(jin)(jin)(jin)(jin)行(xing)(xing)(xing)嚴(yan)(yan)格(ge)(ge)(ge)的(de)(de)(de)(de)(de)(de)(de)(de)驗(yan)(yan)(yan)收; (2)檢(jian)(jian)(jian)查(cha)(cha)(cha)(cha)(cha)涂(tu)(tu)(tu)(tu)(tu)裝(zhuang)(zhuang)(zhuang)(zhuang)原(yuan)材料的(de)(de)(de)(de)(de)(de)(de)(de)出(chu)廠質(zhi)(zhi)(zhi)(zhi)(zhi)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)證(zheng)明書(shu),防(fang)火涂(tu)(tu)(tu)(tu)(tu)料還要(yao)(yao)(yao)(yao)(yao)(yao)(yao)(yao)檢(jian)(jian)(jian)查(cha)(cha)(cha)(cha)(cha)消防(fang)部(bu)門的(de)(de)(de)(de)(de)(de)(de)(de)認(ren)可(ke)證(zheng)明; (3)涂(tu)(tu)(tu)(tu)(tu)裝(zhuang)(zhuang)(zhuang)(zhuang)前(qian)徹底清除(chu)(chu)構(gou)(gou)(gou)件表(biao)面(mian)(mian)(mian)的(de)(de)(de)(de)(de)(de)(de)(de)泥土、油污等(deng)(deng)(deng)雜物(wu); (4)涂(tu)(tu)(tu)(tu)(tu)裝(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)應(ying)(ying)在(zai)無(wu)塵(chen)、干(gan)燥的(de)(de)(de)(de)(de)(de)(de)(de)環(huan)境中(zhong)(zhong)(zhong)進(jin)(jin)(jin)(jin)行(xing)(xing)(xing),且(qie)溫度(du)(du)(du)(du)(du)、濕(shi)度(du)(du)(du)(du)(du)符(fu)合(he)規(gui)(gui)范(fan)(fan)要(yao)(yao)(yao)(yao)(yao)(yao)(yao)(yao)求(qiu)(qiu); (5)涂(tu)(tu)(tu)(tu)(tu)刷(shua)遍數及(ji)(ji)(ji)(ji)涂(tu)(tu)(tu)(tu)(tu)層(ceng)厚度(du)(du)(du)(du)(du)要(yao)(yao)(yao)(yao)(yao)(yao)(yao)(yao)符(fu)合(he)設計要(yao)(yao)(yao)(yao)(yao)(yao)(yao)(yao)求(qiu)(qiu); (6)對涂(tu)(tu)(tu)(tu)(tu)層(ceng)損壞處(chu)(chu)要(yao)(yao)(yao)(yao)(yao)(yao)(yao)(yao)做細(xi)致處(chu)(chu)理(li),保證(zheng)該處(chu)(chu)涂(tu)(tu)(tu)(tu)(tu)裝(zhuang)(zhuang)(zhuang)(zhuang)質(zhi)(zhi)(zhi)(zhi)(zhi)量(liang)(liang)(liang)(liang)(liang)(liang)(liang); (7)認(ren)真檢(jian)(jian)(jian)查(cha)(cha)(cha)(cha)(cha)涂(tu)(tu)(tu)(tu)(tu)層(ceng)附(fu)著力; (8)嚴(yan)(yan)格(ge)(ge)(ge)進(jin)(jin)(jin)(jin)行(xing)(xing)(xing)外觀檢(jian)(jian)(jian)查(cha)(cha)(cha)(cha)(cha)驗(yan)(yan)(yan)收,保證(zheng)涂(tu)(tu)(tu)(tu)(tu)裝(zhuang)(zhuang)(zhuang)(zhuang)質(zhi)(zhi)(zhi)(zhi)(zhi)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)符(fu)合(he)規(gui)(gui)范(fan)(fan)及(ji)(ji)(ji)(ji)標(biao)(biao)準(zhun)要(yao)(yao)(yao)(yao)(yao)(yao)(yao)(yao)求(qiu)(qiu)。 05.壓型金(jin)屬板(ban)(ban)(ban)(ban)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng) 壓型金(jin)屬板(ban)(ban)(ban)(ban)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)主(zhu)要(yao)(yao)(yao)(yao)(yao)(yao)(yao)(yao)為彩(cai)色(se)鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)維(wei)護(hu)(hu)結構(gou)(gou)(gou),是(shi)(shi)(shi)(shi)較(jiao)新興的(de)(de)(de)(de)(de)(de)(de)(de)建筑維(wei)護(hu)(hu)結構(gou)(gou)(gou)形(xing)式(shi)。目(mu)前(qian),工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)實(shi)際中(zhong)(zhong)(zhong)出(chu)現(xian)的(de)(de)(de)(de)(de)(de)(de)(de)問(wen)題(ti)(ti)主(zhu)要(yao)(yao)(yao)(yao)(yao)(yao)(yao)(yao)有(you)(you)(you):施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)單位不(bu)(bu)(bu)制(zhi)(zhi)(zhi)定彩(cai)板(ban)(ban)(ban)(ban)(夾(jia)芯(xin)板(ban)(ban)(ban)(ban))施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)方(fang)(fang)案,彩(cai)板(ban)(ban)(ban)(ban)接(jie)(jie)(jie)(jie)(jie)(jie)(jie)縫、板(ban)(ban)(ban)(ban)檁之(zhi)間的(de)(de)(de)(de)(de)(de)(de)(de)連(lian)(lian)接(jie)(jie)(jie)(jie)(jie)(jie)(jie)、彩(cai)板(ban)(ban)(ban)(ban)配件制(zhi)(zhi)(zhi)作(zuo)(zuo)(zuo)安(an)(an)(an)裝(zhuang)(zhuang)(zhuang)(zhuang)等(deng)(deng)(deng)節(jie)點(dian)(dian)構(gou)(gou)(gou)造(zao)處(chu)(chu)理(li)不(bu)(bu)(bu)細(xi)或不(bu)(bu)(bu)可(ke)靠,維(wei)護(hu)(hu)結構(gou)(gou)(gou)滲漏,彩(cai)板(ban)(ban)(ban)(ban)分(fen)(fen)項(xiang)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)觀感質(zhi)(zhi)(zhi)(zhi)(zhi)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)存(cun)在(zai)不(bu)(bu)(bu)平(ping)整、不(bu)(bu)(bu)順(shun)直、不(bu)(bu)(bu)嚴(yan)(yan)密(mi)(mi)、變(bian)形(xing)、劃(hua)傷、污染現(xian)象等(deng)(deng)(deng)。 針對以(yi)(yi)上(shang)情(qing)況(kuang),監(jian)理(li)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)師在(zai)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)作(zuo)(zuo)(zuo)中(zhong)(zhong)(zhong)要(yao)(yao)(yao)(yao)(yao)(yao)(yao)(yao)注(zhu)意(yi)以(yi)(yi)下(xia)(xia)幾點(dian)(dian): (1)彩(cai)板(ban)(ban)(ban)(ban)(夾(jia)芯(xin)板(ban)(ban)(ban)(ban))制(zhi)(zhi)(zhi)作(zuo)(zuo)(zuo)安(an)(an)(an)裝(zhuang)(zhuang)(zhuang)(zhuang)前(qian)一(yi)(yi)(yi)(yi)定要(yao)(yao)(yao)(yao)(yao)(yao)(yao)(yao)督(du)促施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)單位制(zhi)(zhi)(zhi)定周密(mi)(mi)可(ke)靠的(de)(de)(de)(de)(de)(de)(de)(de)彩(cai)板(ban)(ban)(ban)(ban)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)方(fang)(fang)案,尤其是(shi)(shi)(shi)(shi)要(yao)(yao)(yao)(yao)(yao)(yao)(yao)(yao)制(zhi)(zhi)(zhi)定詳細(xi)的(de)(de)(de)(de)(de)(de)(de)(de)排板(ban)(ban)(ban)(ban)方(fang)(fang)案、建筑構(gou)(gou)(gou)造(zao)作(zuo)(zuo)(zuo)法及(ji)(ji)(ji)(ji)質(zhi)(zhi)(zhi)(zhi)(zhi)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)保證(zheng)措(cuo)施(shi)(shi)(shi); (2)制(zhi)(zhi)(zhi)作(zuo)(zuo)(zuo)、安(an)(an)(an)裝(zhuang)(zhuang)(zhuang)(zhuang)過程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)中(zhong)(zhong)(zhong)要(yao)(yao)(yao)(yao)(yao)(yao)(yao)(yao)加強(qiang)(qiang)(qiang)巡視(shi)(shi)檢(jian)(jian)(jian)查(cha)(cha)(cha)(cha)(cha)、旁站監(jian)督(du)和(he)(he)平(ping)行(xing)(xing)(xing)檢(jian)(jian)(jian)驗(yan)(yan)(yan),使(shi)大(da)部(bu)分(fen)(fen)質(zhi)(zhi)(zhi)(zhi)(zhi)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)問(wen)題(ti)(ti)消滅在(zai)施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)前(qian)和(he)(he)施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)過程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)中(zhong)(zhong)(zhong); (3)嚴(yan)(yan)格(ge)(ge)(ge)進(jin)(jin)(jin)(jin)行(xing)(xing)(xing)檢(jian)(jian)(jian)驗(yan)(yan)(yan)批及(ji)(ji)(ji)(ji)分(fen)(fen)項(xiang)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)驗(yan)(yan)(yan)收,要(yao)(yao)(yao)(yao)(yao)(yao)(yao)(yao)確(que)保節(jie)點(dian)(dian)構(gou)(gou)(gou)造(zao)合(he)理(li)、可(ke)靠、無(wu)滲漏,觀感平(ping)整、順(shun)直、嚴(yan)(yan)密(mi)(mi)、顏色(se)均(jun)勻(yun)一(yi)(yi)(yi)(yi)致、板(ban)(ban)(ban)(ban)面(mian)(mian)(mian)無(wu)劃(hua)傷、無(wu)銹斑、無(wu)污染。 來(lai)源:鋼(gang)(gang)(gang)構(gou)(gou)(gou)之(zhi)窗(chuang)
鋼結構工程幾個重要質量控制點
【概要描述(shu)】01.地腳螺栓的預埋
地腳螺栓的預埋質量直接影響鋼結構的安裝質量,控制好地腳螺栓(群)的位置、垂直度、長度和標高,對于減少擴孔及調整工作量(甚至避免返工),提高結構安裝質量具有重要意義。地腳螺栓的預埋方法可采用直接預埋法,也可采用預留孔法。基礎砼澆筑前監理工程師必須嚴格檢查預埋螺栓施工方法的合理性、可靠性,以及各項實測指標是否在規范規定范圍內。
02.焊接工程質量控制
焊接工程是鋼結構制作和安裝工程最重要的分項之一,監理工程師必須從事前準備,施焊過程和成品檢驗各個環節,切實作好焊接工程的質量控制工作。焊接質量問題較多存在于手工焊縫,這些問題有:焊瘤、夾渣、氣孔、沒焊透、咬邊、錯邊、焊縫尺寸偏差大、不用引弧板、焊接變形不矯正、飛濺物清理不凈等。鑒于這種情況,監理工程師必須做好以下各項工作:
(l)檢查焊接原材料出廠質量證明書;
(2)檢查焊工上崗證;
(3)督促進行必要的焊接工藝試驗;
(4)施焊過程中加強巡視檢查,監督落實各項技術措施;
(5)嚴格進行焊縫質量外觀檢查和焊縫尺寸實測;
(6)督促進行無損檢測工作。
03.高強度螺栓連接工程
高強度螺栓連接工程也是鋼結構工程最重要的分項之一,也是目前施工質量的薄弱環節之一,主要表現在: (1)高強度螺栓有以次充好現象,(用普通精制螺栓代替高強度螺栓); (2)高強度螺栓連接面處理達不到規范規定要求,包括表面處理情況,平整密貼情況,螺栓孔質量情況等; (3)高強度螺栓施擰不按規范規定進行,如不分初擰、終擰而一次完成,不用扭矩扳手、全憑主觀估計等。為保證高強度螺栓連接工程的施工質量,監理工程師必須以高度的責任心,在督促承包單位提高質量意識、加強質量管理、落實質量保證措施的同時,積極采用旁站監督、平行檢驗等工作方法,只有這樣才能使高強度螺栓連接工程的施工質量處于嚴格的控制之下。
04.鋼結構除銹及涂裝工程
鋼結構的除銹和涂裝是目前鋼結構承包單位較易忽視的一項工作,也是鋼結構工程施工的薄弱環節。這種現象不糾正,對鋼結構的施工質量影響甚大,因為除銹和涂裝質量的合格與否直接影響鋼結構今后使用期間的維護費用,還影響鋼結構工程的使用壽命、結構安全及發生火災時的耐火時間(防火涂裝)。造成這種現象的思想根源在于承包單位有關人員對涂裝工作的重要性認識不足,再加上缺乏質量責任心,甚至惟利是圖,最終導致涂裝工程質量經常出現問題。故監理工程師必須對除銹和涂裝工作給予高度重視,對各個工序進行嚴格的檢查驗收,這是確保鋼結構涂裝質量的基礎和保障。 關于鋼結構工程的涂裝質量,應抓好以下工作:
(l)對鋼構件的除銹質量按照設計要求的等級進行嚴格的驗收;
(2)檢查涂裝原材料的出廠質量證明書,防火涂料還要檢查消防部門的認可證明;
(3)涂裝前徹底清除構件表面的泥土、油污等雜物;
(4)涂裝施工應在無塵、干燥的環境中進行,且溫度、濕度符合規范要求;
(5)涂刷遍數及涂層厚度要符合設計要求;
(6)對涂層損壞處要做細致處理,保證該處涂裝質量;
(7)認真檢查涂層附著力;
(8)嚴格進行外觀檢查驗收,保證涂裝質量符合規范及標準要求。
05.壓型金屬板工程
壓型金屬板工程主要為彩色鋼板維護結構,是較新興的建筑維護結構形式。目前,工程實際中出現的問題主要有:施工單位不制定彩板(夾芯板)施工方案,彩板接縫、板檁之間的連接、彩板配件制作安裝等節點構造處理不細或不可靠,維護結構滲漏,彩板分項工程觀感質量存在不平整、不順直、不嚴密、變形、劃傷、污染現象等。 針對以上情況,監理工程師在工作中要注意以下幾點:
(1)彩板(夾芯板)制作安裝前一定要督促施工單位制定周密可靠的彩板工程施工方案,尤其是要制定詳細的排板方案、建筑構造作法及質量保證措施;
(2)制作、安裝過程中要加強巡視檢查、旁站監督和平行檢驗,使大部分質量問題消滅在施工前和施工過程中;
(3)嚴格進行檢驗批及分項工程驗收,要確保節點構造合理、可靠、無滲漏,觀感平整、順直、嚴密、顏色均勻一致、板面無劃傷、無銹斑、無污染。
來源:鋼構之窗
- 分類:行業資訊
- 作者:
- 來源(yuan):
- 發布時間:2023-04-13 09:07
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01.地腳螺栓的預埋
地(di)腳螺(luo)栓的(de)預(yu)埋質(zhi)量直接(jie)影響鋼結構(gou)的(de)安裝質(zhi)量,控制好地(di)腳螺(luo)栓(群)的(de)位置、垂(chui)直度、長度和(he)標(biao)(biao)高(gao),對于減少擴孔及(ji)調(diao)整工(gong)(gong)作量(甚(shen)至避免返工(gong)(gong)),提高(gao)結構(gou)安裝質(zhi)量具有重要意(yi)義。地(di)腳螺(luo)栓的(de)預(yu)埋方(fang)法(fa)(fa)可采用(yong)直接(jie)預(yu)埋法(fa)(fa),也可采用(yong)預(yu)留孔法(fa)(fa)。基礎砼(tong)澆筑前監理工(gong)(gong)程師必須嚴(yan)格檢查預(yu)埋螺(luo)栓施工(gong)(gong)方(fang)法(fa)(fa)的(de)合理性、可靠性,以及(ji)各項(xiang)實測指標(biao)(biao)是否在規范(fan)規定范(fan)圍內(nei)。
02.焊(han)接工程質量控制
焊(han)接(jie)工(gong)程(cheng)是鋼結構制作(zuo)和安裝工(gong)程(cheng)最(zui)重要的分項(xiang)之一,監理(li)工(gong)程(cheng)師必須從事(shi)前準備,施(shi)焊(han)過程(cheng)和成品檢驗各個環節,切實作(zuo)好焊(han)接(jie)工(gong)程(cheng)的質(zhi)量(liang)控制工(gong)作(zuo)。焊(han)接(jie)質(zhi)量(liang)問題較(jiao)多存在于手工(gong)焊(han)縫,這些問題有:焊(han)瘤(liu)、夾渣、氣孔(kong)、沒焊(han)透(tou)、咬邊、錯邊、焊(han)縫尺寸偏差大、不用(yong)引弧板、焊(han)接(jie)變(bian)形不矯(jiao)正、飛(fei)濺物清理(li)不凈等。鑒于這種情(qing)況,監理(li)工(gong)程(cheng)師必須做好以(yi)下各項(xiang)工(gong)作(zuo):
(l)檢查焊接(jie)原(yuan)材料出廠(chang)質(zhi)量證明書(shu);
(2)檢(jian)查焊工上崗證;
(3)督促進行必要(yao)的焊接工藝試(shi)驗;
(4)施焊過程中加(jia)強巡視(shi)檢查,監(jian)督落實各(ge)項技術措施;
(5)嚴(yan)格進行(xing)焊縫質量外觀檢查(cha)和焊縫尺寸實(shi)測;
(6)督促進(jin)行(xing)無損檢測工作。
03.高(gao)強(qiang)度螺(luo)栓連接工程
高(gao)(gao)強(qiang)(qiang)(qiang)(qiang)度(du)(du)(du)螺(luo)栓(shuan)(shuan)連接工(gong)(gong)程也(ye)是(shi)鋼(gang)結構工(gong)(gong)程最(zui)重要的(de)分項之(zhi)一,也(ye)是(shi)目前施工(gong)(gong)質(zhi)(zhi)量(liang)(liang)的(de)薄弱環節之(zhi)一,主要表(biao)現在: (1)高(gao)(gao)強(qiang)(qiang)(qiang)(qiang)度(du)(du)(du)螺(luo)栓(shuan)(shuan)有以次充好(hao)現象(xiang),(用(yong)普(pu)通精制(zhi)(zhi)螺(luo)栓(shuan)(shuan)代替(ti)高(gao)(gao)強(qiang)(qiang)(qiang)(qiang)度(du)(du)(du)螺(luo)栓(shuan)(shuan)); (2)高(gao)(gao)強(qiang)(qiang)(qiang)(qiang)度(du)(du)(du)螺(luo)栓(shuan)(shuan)連接面處理達(da)不到(dao)規范(fan)規定要求,包括表(biao)面處理情(qing)況(kuang),平(ping)整密貼情(qing)況(kuang),螺(luo)栓(shuan)(shuan)孔質(zhi)(zhi)量(liang)(liang)情(qing)況(kuang)等; (3)高(gao)(gao)強(qiang)(qiang)(qiang)(qiang)度(du)(du)(du)螺(luo)栓(shuan)(shuan)施擰(ning)不按規范(fan)規定進行,如不分初(chu)擰(ning)、終擰(ning)而(er)一次完成,不用(yong)扭矩扳手、全憑主觀估計(ji)等。為(wei)保證(zheng)高(gao)(gao)強(qiang)(qiang)(qiang)(qiang)度(du)(du)(du)螺(luo)栓(shuan)(shuan)連接工(gong)(gong)程的(de)施工(gong)(gong)質(zhi)(zhi)量(liang)(liang),監(jian)理工(gong)(gong)程師(shi)必須(xu)以高(gao)(gao)度(du)(du)(du)的(de)責任心,在督(du)(du)促承包單位提高(gao)(gao)質(zhi)(zhi)量(liang)(liang)意識(shi)、加強(qiang)(qiang)(qiang)(qiang)質(zhi)(zhi)量(liang)(liang)管理、落實質(zhi)(zhi)量(liang)(liang)保證(zheng)措施的(de)同時,積(ji)極采用(yong)旁站監(jian)督(du)(du)、平(ping)行檢驗等工(gong)(gong)作方法,只有這樣才能(neng)使高(gao)(gao)強(qiang)(qiang)(qiang)(qiang)度(du)(du)(du)螺(luo)栓(shuan)(shuan)連接工(gong)(gong)程的(de)施工(gong)(gong)質(zhi)(zhi)量(liang)(liang)處于嚴(yan)格(ge)的(de)控制(zhi)(zhi)之(zhi)下。
04.鋼結(jie)構除銹及涂(tu)裝(zhuang)工程
鋼(gang)結構的(de)(de)(de)(de)除(chu)銹和涂(tu)(tu)裝(zhuang)(zhuang)是(shi)目前(qian)鋼(gang)結構承(cheng)包(bao)單(dan)位較易(yi)忽(hu)視的(de)(de)(de)(de)一項工作(zuo)(zuo),也是(shi)鋼(gang)結構工程(cheng)(cheng)施(shi)工的(de)(de)(de)(de)薄(bo)弱環節。這種現象(xiang)(xiang)不(bu)糾(jiu)正,對(dui)鋼(gang)結構的(de)(de)(de)(de)施(shi)工質(zhi)量影(ying)響甚大,因為除(chu)銹和涂(tu)(tu)裝(zhuang)(zhuang)質(zhi)量的(de)(de)(de)(de)合格(ge)與(yu)否直接影(ying)響鋼(gang)結構今后使(shi)用期間(jian)的(de)(de)(de)(de)維護(hu)費用,還(huan)影(ying)響鋼(gang)結構工程(cheng)(cheng)的(de)(de)(de)(de)使(shi)用壽命、結構安全及發生火災時的(de)(de)(de)(de)耐火時間(jian)(防火涂(tu)(tu)裝(zhuang)(zhuang))。造成這種現象(xiang)(xiang)的(de)(de)(de)(de)思(si)想根源在于承(cheng)包(bao)單(dan)位有關人員對(dui)涂(tu)(tu)裝(zhuang)(zhuang)工作(zuo)(zuo)的(de)(de)(de)(de)重(zhong)要性(xing)認識不(bu)足,再加上缺乏質(zhi)量責任心,甚至惟利是(shi)圖(tu),最終導致(zhi)涂(tu)(tu)裝(zhuang)(zhuang)工程(cheng)(cheng)質(zhi)量經常(chang)出現問題。故(gu)監理工程(cheng)(cheng)師必(bi)須(xu)對(dui)除(chu)銹和涂(tu)(tu)裝(zhuang)(zhuang)工作(zuo)(zuo)給予高度重(zhong)視,對(dui)各個工序進行(xing)嚴格(ge)的(de)(de)(de)(de)檢查驗收,這是(shi)確(que)保鋼(gang)結構涂(tu)(tu)裝(zhuang)(zhuang)質(zhi)量的(de)(de)(de)(de)基(ji)礎和保障。 關于鋼(gang)結構工程(cheng)(cheng)的(de)(de)(de)(de)涂(tu)(tu)裝(zhuang)(zhuang)質(zhi)量,應抓好以下工作(zuo)(zuo):
(l)對鋼構(gou)件的(de)除銹質量按照(zhao)設計要求的(de)等級進行嚴格的(de)驗(yan)收;
(2)檢查涂裝原(yuan)材料的出廠質(zhi)量證明(ming)書,防火涂料還要檢查消(xiao)防部門(men)的認可證明(ming);
(3)涂(tu)裝前徹底清除構件表面的泥土、油污等雜物;
(4)涂裝施工應在(zai)無塵、干燥的(de)環(huan)境中進行,且(qie)溫度(du)、濕(shi)度(du)符合規范要求(qiu);
(5)涂刷遍數及涂層厚度要(yao)符合設計(ji)要(yao)求;
(6)對涂層損壞處要(yao)做細致(zhi)處理,保(bao)證該處涂裝質量;
(7)認(ren)真(zhen)檢(jian)查(cha)涂層附著力;
(8)嚴格進行(xing)外觀檢查驗收(shou),保證(zheng)涂裝質量符合規范及(ji)標準要求。
05.壓型金屬板工程(cheng)
壓型金(jin)屬板(ban)(ban)(ban)(ban)工(gong)程(cheng)(cheng)(cheng)主(zhu)要(yao)為彩(cai)色鋼板(ban)(ban)(ban)(ban)維護結(jie)構(gou),是較(jiao)新興(xing)的(de)建筑維護結(jie)構(gou)形(xing)式。目前,工(gong)程(cheng)(cheng)(cheng)實際中出現的(de)問題主(zhu)要(yao)有(you):施工(gong)單位不(bu)制定彩(cai)板(ban)(ban)(ban)(ban)(夾芯板(ban)(ban)(ban)(ban))施工(gong)方案(an),彩(cai)板(ban)(ban)(ban)(ban)接縫、板(ban)(ban)(ban)(ban)檁之(zhi)間的(de)連接、彩(cai)板(ban)(ban)(ban)(ban)配件制作(zuo)安裝(zhuang)等節點構(gou)造(zao)處理(li)不(bu)細或不(bu)可靠,維護結(jie)構(gou)滲漏,彩(cai)板(ban)(ban)(ban)(ban)分項工(gong)程(cheng)(cheng)(cheng)觀感質量存在不(bu)平整、不(bu)順直、不(bu)嚴密、變形(xing)、劃傷(shang)、污染(ran)現象(xiang)等。 針對(dui)以(yi)上情況,監理(li)工(gong)程(cheng)(cheng)(cheng)師在工(gong)作(zuo)中要(yao)注意(yi)以(yi)下幾(ji)點:
(1)彩(cai)板(ban)(夾芯板(ban))制(zhi)作(zuo)安裝(zhuang)前一(yi)定要督促(cu)施工單位制(zhi)定周(zhou)密可靠的(de)彩(cai)板(ban)工程施工方案,尤其是(shi)要制(zhi)定詳細的(de)排板(ban)方案、建筑構造作(zuo)法及質量(liang)保證措施;
(2)制作、安裝過(guo)(guo)程中要加強巡視檢查、旁(pang)站監督和平(ping)行檢驗,使(shi)大(da)部分質(zhi)量(liang)問題消滅在施工前和施工過(guo)(guo)程中;
(3)嚴(yan)格進行檢驗批及分(fen)項工程驗收,要確(que)保節點構造(zao)合理、可靠(kao)、無(wu)滲漏(lou),觀感平整、順(shun)直(zhi)、嚴(yan)密、顏色均勻一(yi)致、板面無(wu)劃傷、無(wu)銹斑、無(wu)污(wu)染。
來源:鋼構之窗
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