应用注浆技术加固地基明（暗）浜的方法及其效果

The Oporation and Effectiveness of Using Slurry Method to Consolidate Open or Hidden Creeks in Foundation

应用注浆技术加固地基明（暗）浜的方法及其效果黄跃进江苏地质基桩工程公司，镇江，２１２１１１关键词：注浆，明（暗）浜，工程地质，地基承载力，上海ＴｈｅＯｐｏｒａｔｉｏｎａｎｄＥｆｆｅｃｔｉｖｅｎｅｓｓｏｆＵｓｉｎｇＳｌｕｒｒｙＭｅｔｈｏｄｔｏＣｏｎｓｏ...

The method of injecting slurry to consolidate weak foundation is necessary for No.18 and 21 residential buildings which will be constructed in Yongbe district in Shangbai,because these buildings are located in open or hidden creeks.Through the comprehensive application of measures including the reasonable selection of injecting slurry theory,method and operational parameters ,scientific construction and dynamic inspection of quality,good reinforcement bas been obtained.After consolidation,the state of soil changes from flow plastic to plastic and a amount of cement with pisolitic stone and tiny bed are formed in foundation.The average value of Ps measured by the static sounding was enhanced from 4.93×105pa to 18.22 X 105 pa the average value of N10 exceeds 20 hammer and the bearing capacity of soil surpasses 100kpa.During injecting slurry and consolidation,there occurs special actions containing compaction,splitting,cementing,replacement and chemical changes.The changes of soil's properties suck as compressional compaction of slurry soil,fill,diffusio and framework in foundation enhance the mechanical indexes of soil,achieving a good consolidation result for open or hidden creeks in foundation.