塑料排水板联合真空预压施工技术  

Construction Technology of Plastic Drainage Board Combined with Vacuum Preloading

作　　者：孙得磊 SUN Delei(Shanghai Branch,Beijing Tiecheng Engineering Consulting Co.,Ltd.,Shanghai 200072,China)

机构地区：[1]北京铁城工程咨询有限公司上海分公司,上海200072

出　　处：《路基工程》2024年第2期149-152,共4页Subgrade Engineering

摘　　要：基于沪通铁路上海东动车所淤泥质土地基塑料排水板联合真空预压处理项目,介绍塑料排水板施工机械和材料的选择、塑料排水板打设、密封墙施工、真空管网铺设和连接、密封膜铺设和密封、真空泵的安装和抽真空、堆载预压加载和卸载等技术要点。施工后各项指标符合设计及验标要求,固结土体取得良好效果。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.

关 键 词：塑料排水板 淤泥质土 真空预压 排水 沉降监测 经济性 

分 类 号：TU472.6[建筑科学—结构工程]