Comparison between Supporting Structure Programs in Deep Foundation of Zhengzhou Exhibition Hotel and Analysis on Monitoring Results

摘要

This article compared the two supporting structure programs which were prepared for the foundation pit of Zhengzhou Exhibition Hotel, from the angle of cost, duration, and deformation conditions. The better one was selected for the project. Monitoring results of two important indicators with the security of supporting structure were analyzed, they were deep displacement in supporting structure and displacement of pile top. With the conditions of continuous excavation, this paper also concluded shifty discipline and tendency of the supporting structure, which could provide some references to similar projects.