2023·1·BuildingConstruction30锯末流泥浆在帷幕截水防渗墙施工过程中的应用黎和青上海远方基础工程有限公司上海200436摘要：基于某帷幕截水防渗墙工程，对地下连续墙槽壁渗漏处理工艺进行研究。根据实际施工中高黏泥浆堵漏、回填黏土堵漏以及锯末流泥浆堵漏3种工艺的应用情况，对这3种工艺进行分析。结果表明，高黏泥浆工艺堵漏有效率为54.3%；回填黏土工艺静置时堵漏有效率为94.4%，但在后续成槽中由于施工扰动使得漏浆速度提高，堵漏有效率剧降至34.1%；锯末流泥浆堵漏工艺有效率为98.4%。锯末流泥浆堵漏工艺简单，施工便利，在同一项目场地中的堵漏效用最高，为三者之中最为有效的堵漏工艺。关键词：槽壁渗漏；高黏泥浆；回填黏土；锯末流泥浆中图分类号：TU753文献标志码：A文章编号：1004-1001(2023)01-0030-03DOI：10.14144/j.cnki.jzsg.2023.01.008ApplicationofSawdustFlowMudintheConstructionofCurtainCutoffWallLIHeqingShanghaiYuanfangFoundationEngineeringCo.,Ltd.,Shanghai200436,ChinaAbstract:Basedonacurtaincutoffwallproject,theseepagetreatmenttechnologyofthetrenchwallofthediaphragmwallwasstudied.Accordingtotheapplicationofhighviscositymudplugging,backfillingclaypluggingandsawdustflowmudplugginginactualconstruction,thethreeprocessesareanalyzed.Theresultsshowthattheeffectiverateofpluggingwithhighviscositymudtechnologyis54.3%.Theeffectiverateofpluggingis94.4%whenthebackfillingclaytechnologyisstillinplace,however,inthesubsequenttrenchformation,theconstructiondisturbanceincreasestheslurryleakagerate,andtheeffectiverateofpluggingdropsto34.1%.Theeffectiverateofsawdustflowmudpluggingtechnologyis98.4%.Thesawdustflowmudpluggingtechnologyissimpleandconvenientforconstruction.Ithasthehighestpluggingeffectinthesameprojectsiteandisthemosteffectivepluggingtechnologyamongthethree.Keywords:trenchwallseepage;highviscositymud;backfillingclay;sawdustflowmud基工程，详细阐述钢护筒保护下的钻孔灌注桩施工工艺；杨小兵等[4]创造性地采用回填压实漏浆桩孔、护筒外部堆填沙袋、内部加水泥和黏土（静置48h）的措施进行桩基成孔漏浆处理，经过深水桩基成孔现场实践，有效解决漏浆问题。然而，鲜有对于地下连续墙成槽过程中槽壁漏浆的研究。本文通过实践，突破性地将钻...
