Design and Application of Assembled H-shaped Steel Support in Urban Foundation Pit Engineering
With the accelerated development of urbanization,the scale of deep foundation pit project is constantly expanding,and the tradition-al reinforced concrete support method gradually shows its limitations due to its high cost and environmental impact problems.To solve this prob-lem,this study discusses the application of prefabricated H-shaped steel support system in urban foundation pit engineering,especially in the public service project in Jiangning District of Nanjing.Through the comparative analysis of the monitoring data of the horizontal displacement of the soil around the foundation pit,the effectiveness of the prefabricated H-type steel support in controlling the horizontal displacement is veri-fied.The study found that although the displacement of the north side due to the largest terrain and use conditions,the support system generally successfully limited the horizontal displacement of the foundation pit,especially showed good environmental protection and economic benefits in the complex urban environment.In addition,the deformation resistance of the actual soil is generally lower than the geological prospecting pre-diction,which indicates that more accurate analysis and prediction of geological conditions are needed in future engineering.
Deep foundation pit engineeringPrefabricated H-type steel supportHorizontal displacement monitoringUrbanization infrastruc-ture
国家科技期刊平台
NSTL
万方数据
