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Study on Optimization of Design Parameters for Composite Foundation with Cement-Fly Ash-Gravel Piles
Based on theoretical analysis and experimental result, the principle as well as the interaction between pile and soil, the design parameters of composite foundation with cement-fly ash-gravel piles (CFG piles for short) are optimized, which are pile length, pile diameter, pile spacing, pile strength and thickness of cushion layer, in order to put forward the reasonable design parameters for reaching economic and reasonable target. Through the optimized analysis, it is put forward that bearing stratum of pile tip should select a relatively better soil layer, the diameter of CFG pile is usually appropriately to select between 350mm and 500mm, it is usually appropriately to select larger pile spacing under the permissible range between 3d and 5d being ruled by standard, it is appropriately to enlarge the pile diameter to reduce the requirement of pile strength in high rise and super high rise building which requiring bearing capacity of single pile is high, and the thickness of cushion layer is appropriately to select between 0.4 and 0.6 times of the pile diameter.
Study on Optimization of Design Parameters for Composite Foundation with Cement-Fly Ash-Gravel Piles
Based on theoretical analysis and experimental result, the principle as well as the interaction between pile and soil, the design parameters of composite foundation with cement-fly ash-gravel piles (CFG piles for short) are optimized, which are pile length, pile diameter, pile spacing, pile strength and thickness of cushion layer, in order to put forward the reasonable design parameters for reaching economic and reasonable target. Through the optimized analysis, it is put forward that bearing stratum of pile tip should select a relatively better soil layer, the diameter of CFG pile is usually appropriately to select between 350mm and 500mm, it is usually appropriately to select larger pile spacing under the permissible range between 3d and 5d being ruled by standard, it is appropriately to enlarge the pile diameter to reduce the requirement of pile strength in high rise and super high rise building which requiring bearing capacity of single pile is high, and the thickness of cushion layer is appropriately to select between 0.4 and 0.6 times of the pile diameter.
Study on Optimization of Design Parameters for Composite Foundation with Cement-Fly Ash-Gravel Piles
Applied Mechanics and Materials ; 580-583 ; 715-722
04.07.2014
8 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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