Construction Technology of Plastic Drainage Board Combined with Vacuum Preloading
Based on the project of plastic drainage board combined with vacuum preloading treatment on silty soil in Shanghai East High-speed Railway Station,the technical points are introduced from the following aspects:the selection of plastic drainage board construction machinery and materials,plastic drainage board laying,sealing wall construction,vacuum pipe network laying and connection,sealing membrane laying and sealing,vacuum pump installation and vacuum pumping,loading and unloading of heap load pre-pressure,etc.After the construction,all the indexes meet the requirements of the design and the inspection,and the soil consolidation has achieved good results.