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《Journal of Guangxi University(Natural Science Edition)》 2018-01
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Effect of photooxidation aging on bearing capacity of reinforced sandy soil foundation

LUO Zhi-li;ZENG Guo-hong;YUAN Hui;BAI Xiao-hong;College of Architecture and Civil Engineering,Taiyuan University of Technology;Taiyuan City Vocational and Technical College;  
Abastract: In order to explore the effect of photooxidation aging on the bearing capacity of three-way geogrid reinforced soil foundation,a three-way geogrid was firstly subjected to photo-oxygen aging with a weather-resistant aging test chamber. And then a plate load test was carried out on the foundation.The influence of aging on the bearing capacity of the foundation was analyzed by comparing its bearing capacity with that of pure soil and non-aged three-way geogrid reinforced foundation. The results show that the ultimate bearing capacity of the aged geogrid reinforced soil foundation is reduced by 11. 8%,and that the settlement is increased by 5. 3%. At the same point,earth pressure in the foundation is larger than that in the non-aged three-way geogrid reinforced foundation,but smaller than that in the pure soil foundation.
【Fund】: 国家自然科学基金资助项目(51578359)
【CateGory Index】: TU470
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