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        陽(yáng)吉寶
    （上海市民防地基勘察院 200232）

[提要]  通過對(duì)疏樁基礎(chǔ)受力機(jī)理的分析，得出疏樁基礎(chǔ)中的樁與樁間土安全系數(shù)Ki，K2的確定方法，同時(shí)研究了K1，K2與樁間距的關(guān)系。
[關(guān)鍵詞]  疏樁基礎(chǔ) 安全系數(shù) 承載力

Based on the analysis of the behavior of the sparse pile foundation, safe coefficient about bearing capability of piles( Ki)and safe coefficient with respect to soil between piles( K2)are determined. The relationship among Ki, K2 and piles spacing are also discussed.
Keywords:  sparse pile foundation; safe coefficient; bearing capability