高层建筑大范围超深回填地基处理技术

随着我国城市化建设进程的推进,不良土地资源的合理使用是城市发展必然面对的课题.城市在发展扩张中常常碰到砂石坑或地基条件很差的地段,其地基处理的方法、地基处理的效果影响工程造价,影响上部结构的质量安全.某工程地基为大范围深度达17 m的砂石坑,采用了大面积砂石坑的地基处理技术,地基达到了设计承载力要求,取得了良好的经济、技术效益.

Deep Fill Layer with Sizable Area Foundation Treatment Technology for Tall Buldings

With the development of urbanization in China, the high quality construction land has been significantly de-creased. Ratinnal utilization of defective land resources is a great subject of url）an develnpment faced at present. In urban ex pansion process, we often meet sandstone pit or weak soil area, and the foundation treatment method and result will affect con struction cost and superstructure quality security. The foundation is a sandstone pit with a wide range of depth of 17 m. A new foundation treatment technology for sandstone pit with sizable area was introduced. Practice proves that it is an economic and effective method of ground treatment and has fulfilled the design requirements of the stability of soil bearing capacity.