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工程質(zhì)量治理和建筑施工匯報(bào)-在線瀏覽

2024-10-13 22:54本頁(yè)面
  

【正文】 .................................................7 填充墻砌筑不當(dāng)..............................................................................................................7 一般抹灰工程..............................................7 抹灰層空鼓......................................................................................................................7 抹灰層裂縫......................................................................................................................8 抹灰層不平整..................................................................................................................8 陰陽(yáng)角不方正..................................................................................................................9 地面工程..................................................9 水泥地面..........................................................................................................................9 板塊地面(地磚、大理石、花崗石).............................................................................12 樓地面滲漏....................................................................................................................13 門窗工程.................................................14 木門窗工程....................................................................................................................14 鋁合金門窗安裝工程....................................................................................................15 屋面防水工程.............................................16 卷材防水層空鼓............................................................................................................16 富士康南寧科技園一期工程B05倉(cāng)庫(kù)、B06廠房、B07廠房、B08廠房、B23附房、B24附房質(zhì)量通病預(yù)防和治理措施 卷材防水層裂縫............................................................................................................16 女兒墻根部漏水............................................................................................................17 天溝、檐溝漏水............................................................................................................17 變形縫漏水....................................................................................................................17 水落口漏水....................................................................................................................18 電氣工程.................................................19 電線管連接要求............................................................................................................19 電線管不進(jìn)行防腐處理................................................................................................19 電線管制作粗糙............................................................................................................19 由于建筑物沉降將電線管及電線拉斷........................................................................20 導(dǎo)線的連接....................................................................................................................20 電纜敷設(shè)部位設(shè)置標(biāo)識(shí)................................................................................................21 室內(nèi)給水(消防)管道安裝..................................21 管道支、吊、托架......................................................................................................21 給水橫管坡度問(wèn)題......................................................................................................22 管道安裝偏差..............................................................................................................22 管道交叉敷設(shè)..............................................................................................................22 管道水壓試驗(yàn),管道堵塞、漏水等..........................................................................23 生活給水管使用管材或安裝不當(dāng)..............................................................................23 給水管道流水不暢或堵塞..........................................................................................23 室內(nèi)給水管道結(jié)露......................................................................................................24 風(fēng)管及部件制作..........................................24 風(fēng)管板材選用不符合要求..........................................................................................24 風(fēng)管咬口制作不平整..................................................................................................24 圓風(fēng)管不同心,管徑變小..........................................................................................25 矩形風(fēng)管對(duì)角線不相等..............................................................................................25 風(fēng)管總管與支管連接質(zhì)量差......................................................................................25 無(wú)法蘭風(fēng)管連接不嚴(yán)密..............................................................................................25 圓形彎頭、圓形三通角度不準(zhǔn)確..............................................................................26 矩形彎頭、矩形三通角度不準(zhǔn)確..............................................................................26 富士康南寧科技園一期工程B05倉(cāng)庫(kù)、B06廠房、B07廠房、B08廠房、B23附房、B24附房質(zhì)量通病預(yù)防和治理措施 模板工程 柱模板缺陷【現(xiàn)象】 1)模板位移。3)脹模、鼓肚、漏漿。支模時(shí)應(yīng)先立兩端柱模,經(jīng)校直、復(fù)核后,拉通柱頂基準(zhǔn)線,依線按序立各個(gè)柱模。柱距較小時(shí),柱間采用剪刀撐和水平撐;大柱距則應(yīng)單獨(dú)設(shè)置四面斜撐,以保證各柱模位置準(zhǔn)確。3)柱箍間距應(yīng)根據(jù)柱子斷面的大小及高度設(shè)置,木楞膠合板模應(yīng)采用定形枋木加強(qiáng)陽(yáng)角部位;角部的每個(gè)連接孔都應(yīng)用U形卡卡牢,兩側(cè)的對(duì)拉螺栓應(yīng)緊靠模板,如有縫隙應(yīng)用木楔塞緊,以免扣件滑移,使拼縫處產(chǎn)生拉力,造成漏漿。2)模板底部和陰角部位不易拆除,墻根外側(cè)掛漿,內(nèi)側(cè)“爛根”。澆筑混凝土前應(yīng)檢查對(duì)拉螺栓是否收緊,采用不易被擠壓振碎的套管,墻模頂部應(yīng)設(shè)置上拉桿,以保證墻體厚度一致。2)采取導(dǎo)墻支模時(shí),按墻厚先澆筑150~200mm高的導(dǎo)墻作為墻模板底部的內(nèi)支撐,導(dǎo)墻混凝土兩側(cè)應(yīng)平整;采取預(yù)制導(dǎo)墻塊做內(nèi)支撐時(shí),找平砂漿應(yīng)平整。 樓梯模板缺陷【現(xiàn)象】 富士康南寧科技園一期工程B05倉(cāng)庫(kù)、B06廠房、B07廠房、B08廠房、B23附房、B24附房質(zhì)量通病預(yù)防和治理措施1)樓梯底部不平整,樓梯梁板歪斜,軸線位移?!局卫怼?)樓梯底板模拼裝要平整,支撐應(yīng)牢靠。3)應(yīng)對(duì)模板、支撐進(jìn)行檢驗(yàn)合格后,方可澆注混凝土。圈梁上口寬度不足。3)梁柱模板接頭處跑模漏漿。2)斜撐應(yīng)與上口橫檔釘牢,并拉通長(zhǎng)直線,保持圈梁上口平直。支撐在泥土地面時(shí),應(yīng)夯實(shí)并鋪放通長(zhǎng)墊木,以確保支撐不沉陷。當(dāng)梁高超過(guò)600mm,側(cè)模應(yīng)加設(shè)鋼管圍檁?!局卫怼?)鋼筋綁扎或焊接必須牢固,固定鋼筋措施可靠有效。對(duì)柱頭外伸主筋部分要加一道臨時(shí)箍筋,按圖紙位置綁扎好,然后用Φ8~Φ10鋼筋焊成的井字形鐵卡固定。2)混凝土澆搗過(guò)程中應(yīng)采取措施,盡量不碰撞鋼筋,嚴(yán)禁砸壓、踩踏鋼筋和直接頂撬鋼筋。富士康南寧科技園一期工程B05倉(cāng)庫(kù)、B06廠房、B07廠房、B08廠房、B23附房、B24附房質(zhì)量通病預(yù)防和治理措施 焊接接頭質(zhì)量不符合要求【現(xiàn)象】接頭處軸線彎折或軸線偏心過(guò)大,并有燒傷及裂紋。2)鋼筋加工安裝應(yīng)由持證焊工進(jìn)行,安裝鋼筋時(shí)要注意鋼筋或夾具軸線是否在同一直線上,鋼筋是否安裝牢固,過(guò)長(zhǎng)的鋼筋安裝時(shí)應(yīng)有置于同一水平面的延長(zhǎng)架,如機(jī)具損壞,特別是焊接夾具墊塊損壞應(yīng)及時(shí)修理或更換,經(jīng)驗(yàn)收合格后方準(zhǔn)焊接。焊接完成后,應(yīng)視情況保持冷卻1~2min后,待接頭有足夠的強(qiáng)度時(shí)再拆除機(jī)具或移動(dòng)。5)焊接完成后必須堅(jiān)持自檢。 套筒擠壓接頭質(zhì)量不符合要求【現(xiàn)象】擠壓后的套筒有肉眼可見(jiàn)裂紋;擠壓后套筒長(zhǎng)度達(dá)不到原套筒長(zhǎng)度的1.10~1.15倍,壓痕處套筒的外徑波動(dòng)范圍達(dá)不到原套
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