Settlement Characteristics of Cement Fly-Ash GravelPile-Plate Composite Foundation of High-Speed Railway |
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| Authors: | ZHU Ming LENG Kuang-dai MA Jian-lin |
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| Institution: | 1. School of Civil Engineering, Southwest Jiaotong University, Chengdu 610031, China
2. State Key Laboratory of Hydroscience and Engineering, Tsinghua University, Belting 100084, China; |
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| Abstract: | Field tests on settlement characteristics were carried out on the cement fly-ash gravel (CFG) pile-plate composite foundation on Beijing-Xuzhou section of Beijing-Shanghai high-speed railway. The settlements of the piles and the soil between piles were measured and analyzed. The results show that the settlement-time dependency experienced three phases: rapid development phase, stable development phase and stable phase. Therefore, surcharge preloading was necessary to reduce the settlement after construction... |
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| Keywords: | High-speed railway CFG pile-plate composite foundation Settlement characteristics Field test |
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