Study on Static Load Test for CFG Composite Foundation

Based on the project of gravel pile composite foundation for Round-town Expressway in Hohhot city,on site test and analysis have been made to the capacity of gravel pile foundation before and after treatment as well as pile-soil stress ratio of composite foundation.After comparison of the results of direct test and indirect test for bearing capacity of composite foundation,some beneficial conclusions are obtained which has provided theoretical and on site test basis to actual project.