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    李鏡培    丁士君
    （同濟(jì)大學(xué)地下系  上海 200092）

[提要]  針對土性指標(biāo)普遍存在的變異性與自相關(guān)性，引入隨機(jī)場理論分析方法，在研究樁基沉降概率分布特征及其特征值計(jì)算的基礎(chǔ)上，提出了一種估算樁基沉降上限的方法，建立了一種新的樁基沉降預(yù)測方法。
[關(guān)鍵詞]  樁基  沉降  隨機(jī)場  沉降上限

According to the variability and the self-relativity that generally exist in the soil character index, the random field theory is used to analyze the probabilistic distribution characteristics of the settlement of pile foundations and to calculate its characteristic value.On that basis, a method for estimating the upper limit settlement of pile foundations is presented and a new method for predicting the settlement of pile foundations is established.
Keywords: settlement; pile foundations; random field; upper limit settlement