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9 December 2021 Causes and processing methods for quality defects of CFG piles at high compressibility soft soil site
Rong Chen, Chao Yu, Dongxue Hao, Ke Wu
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Proceedings Volume 12030, Third International Conference on Optoelectronic Science and Materials (ICOSM 2021); 120301X (2021) https://doi.org/10.1117/12.2619880
Event: Third International Conference on Optoelectronic Science and Materials (ICOSM 2021), 2021, Hefei, China
Abstract
The CFG pile has many advantages, such as small settlement, simple construction. So it has been widely used as the common foundation treatment in China. However, it has been carefully used in soft soil site because of quality defects of CFG piles. Based on a highway project case of soft site treatment using CFG piles in Fujian province, the reason of the pile integrity problems is analysed, and several solving methods are proposed. The studies show that long spiral drilling technology should be better than the sinking pipe method and geobag combined with sinking pipe method in the construction process of the CFG pile in soft soil site. The research results have significant reference to the application of CFG piles in soft soil site.
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Rong Chen, Chao Yu, Dongxue Hao, and Ke Wu "Causes and processing methods for quality defects of CFG piles at high compressibility soft soil site", Proc. SPIE 12030, Third International Conference on Optoelectronic Science and Materials (ICOSM 2021), 120301X (9 December 2021); https://doi.org/10.1117/12.2619880
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KEYWORDS
Composites
Soil science
Inspection
Roads
Analytical research
Cements
Civil engineering
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