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《《南水北調(diào)與水利科技》-南水北調(diào)中線穿黃工程地下連續(xù)墻施工工藝(孫蘭堅 蔡琰)(摘要)》由會員上傳分享,免費在線閱讀,更多相關(guān)內(nèi)容在工程資料-天天文庫。
1、《南水北調(diào)與水利科技》:南水北調(diào)中線穿黃工程地下連續(xù)墻施工工藝(孫蘭堅蔡琰)(摘要)《南水北調(diào)與水利科技》:南水北調(diào)中線穿黃工程地下連續(xù)墻施工工藝(孫蘭堅蔡琰)(摘要) #TRS_AUTOADD_1225681998859{MARGIN-TOP:0px;FONT-SIZE:12pt;MARGIN-BOTTOM:0px;LINE-HEIGHT:1.5;FONT-FAMILY:宋體}#TRS_AUTOADD_1225681998859P{MARGIN-TOP:0px;FONT-SIZE:12pt;MARGIN-BOTTOM:0px;LINE-HEIG
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3、P:0px;FONT-SIZE:12pt;MARGIN-BOTTOM:0px;LINE-HEIGHT:1.5;FONT-FAMILY:宋體}/**---JSON--{"":{"line-height":"1.5","font-family":"宋體","font-size":"12pt","margin-top":"0","margin-bottom":"0"},"p":{"line-height":"1.5","font-family":"宋體","font-size":"12pt","margin-top":"0","margin-bottom
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5、margin-top":"0","margin-bottom":"0"}}--**/摘要:南水北調(diào)中線一期穿黃工程北岸豎井,采用圓形地下連續(xù)墻作為圍護結(jié)構(gòu),地下連續(xù)墻的壁厚為1.5m,內(nèi)徑為18m,外徑為21m。分14幅進行施工,其中Ⅰ期槽7幅,Ⅱ期槽7幅。Ⅰ期增長6.5m,共分三銑成槽,中間一銑在地下連續(xù)墻軸線上的有效長度為0.9m;Ⅱ期槽長2.8m,一銑成槽。Ⅰ、Ⅱ期槽在地下連續(xù)墻軸線上搭接長度為0.4m,采用套銑接頭進行槽段連接。地下連續(xù)墻深度為76.6m。采用雙輪銑進行成槽施工,根據(jù)雙輪銑的特點,改進了普通的地下連續(xù)墻的接頭,使用套銑接頭的
6、形式,較好的解決了地下連續(xù)墻接頭處夾泥夾砂的問題。在成槽過程中,采用優(yōu)質(zhì)泥漿進行護壁。
關(guān)鍵詞:南水北調(diào);地下連續(xù)墻;雙輪銑;套銑接頭
中圖分類號:TV68;TV52文獻標識碼:B文章編號:1672-168301-0318-04
DiaphragmWallConstructionsCraftintheMiddleRouteoftheSouth-to-NorthWaterTransferProject
SUNLan-jian,CAIYan
(ChinaRailway16THBureauGroupCo.Ltd.BeijingRailwa
7、yTrafficEng.Cons.Co.Ltd.,Beijing101100,China)
Abstract:ThenorthbankwellofYellowRivercrossengineerinSouth-to-NorthWaterTransferProjectadoptedundergrounddiaphragmwallasenclosurestructurewiththewidthof1.5m,innerdiameterof18m,outerdiameterof21.00m,anddepthof76.60m.Thisdiaphragmw
8、allisseparatedin14panels,7inprimarystageandanother7insecondar