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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(jiān) 蔡琰)(摘要)》由會(huì)員上傳分享，免費(fèi)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(jiān)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(jiān)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(hù)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(jìn)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(jìn)行槽段連接。地下連續(xù)墻深度為76.6m。采用雙輪銑進(jìn)行成槽施工，根據(jù)雙輪銑的特點(diǎn)，改進(jìn)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(jìn)行護(hù)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(hào)：TV68；TV52文獻(xiàn)標(biāo)識(shí)碼：B文章編號(hào)：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
