中天广场地下室基坑支护技术

中天广场基坑采用地下连续墙加锚杆外支撑和地下连续墙加中心岛内支撑两种方式，主体结构采用中心岛顺作法施工周围圈梁面板下采用逆作法施工，采用了８个区段及８个阶段的施工程序，由于以上技术的合理运用，为顺利完成了地下室结构及整个工程打下了基础。

BASEMENT FOUNDATION PIT STRUTTING TECHNOLOGY FOR CONSTRUCTION OF THEZHONG-TIAN SQUARE BUILDING RPOJECT

The construction of basement foundation pit for the Zhong-tian Square Building Project has been adopted with two methods:one is the underground slurry wall plus anchor rods exterior strutting method,while another is the underground slurry wall plus mid-island interior strutting method.The construction of its main body structure has been adopted with mid-island proper squence method,whild the construction of floor slabs under surrounding,ring beam has been adopted with a reversing squence method.In construction organization,there are procedures well applied with 8 seperated sectional areas and aptly carried out with 8 stages of construction.Owing to the appropriate implementation of the above mentioned technology and procedures,it has provided the sound basis for smooth completion of its basement structure and fine quality of the whole project.