资源描述:
《《南水北调与水利科技》-南水北调中线穿黄工程地下连续墙施工工艺(孙兰坚 蔡琰)(摘要)》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、《南水北调与水利科技》:南水北调中线穿黄工程地下连续墙施工工艺(孙兰坚蔡琰)(摘要)《南水北调与水利科技》:南水北调中线穿黄工程地下连续墙施工工艺(孙兰坚蔡琰)(摘要) #TRS_AUTOADD_1225681998859{MARGIN-TOP:0px;FONT-SIZE:12pt;MARGIN-BOTTOM:0px;LINE-HEIGHT:1.5;FONT-FAMILY:宋体}#TRS_AUTOADD_1225681998859P{MARGIN-TOP:0px;FONT-SIZE:12pt;MARGIN-BOTTOM:0px;LINE-HEIG
2、HT:1.5;FONT-FAMILY:宋体}#TRS_AUTOADD_1225681998859TD{MARGIN-TOP:0px;FONT-SIZE:12pt;MARGIN-BOTTOM:0px;LINE-HEIGHT:1.5;FONT-FAMILY:宋体}#TRS_AUTOADD_1225681998859DIV{MARGIN-TOP:0px;FONT-SIZE:12pt;MARGIN-BOTTOM:0px;LINE-HEIGHT:1.5;FONT-FAMILY:宋体}#TRS_AUTOADD_1225681998859LI{MARGIN-TO
3、P:0px;FONT-SIZE:12pt;MARGIN-BOTTOM:0px;LINE-HEIGHT:1.5;FONT-FAMILY:宋体}/**---JSON--{"":{"line-height":"1.5","font-family":"宋体","font-size":"12pt","margin-top":"0","margin-bottom":"0"},"p":{"line-height":"1.5","font-family":"宋体","font-size":"12pt","margin-top":"0","margin-bottom
4、":"0"},"td":{"line-height":"1.5","font-family":"宋体","font-size":"12pt","margin-top":"0","margin-bottom":"0"},"div":{"line-height":"1.5","font-family":"宋体","font-size":"12pt","margin-top":"0","margin-bottom":"0"},"li":{"line-height":"1.5","font-family":"宋体","font-size":"12pt","
5、margin-top":"0","margin-bottom":"0"}}--**/摘要:南水北调中线一期穿黄工程北岸竖井,采用圆形地下连续墙作为围护结构,地下连续墙的壁厚为1.5m,内径为18m,外径为21m。分14幅进行施工,其中Ⅰ期槽7幅,Ⅱ期槽7幅。Ⅰ期增长6.5m,共分三铣成槽,中间一铣在地下连续墙轴线上的有效长度为0.9m;Ⅱ期槽长2.8m,一铣成槽。Ⅰ、Ⅱ期槽在地下连续墙轴线上搭接长度为0.4m,采用套铣接头进行槽段连接。地下连续墙深度为76.6m。采用双轮铣进行成槽施工,根据双轮铣的特点,改进了普通的地下连续墙的接头,使用套铣接头的
6、形式,较好的解决了地下连续墙接头处夹泥夹砂的问题。在成槽过程中,采用优质泥浆进行护壁。
关键词:南水北调;地下连续墙;双轮铣;套铣接头
中图分类号:TV68;TV52文献标识码:B文章编号: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