为了分析不同尺寸条件下扩底墩的承载机理，利用三维有限元，建立墩土接触模型，分析不同墩身长度、扩底直径以及扩大头锅底高度时扩底墩的承载性状。
In order to analyze the bearing mechanism of belled pier with different dimensions, by three-dimensional finite element, a contact model of pier and soil was established.
文中提出的承载力取值和沉降计算是一套适合于我国大直径扩底桩的设计方法。
The way to value the bearing capacity and settlement calculation given herein are fit for the design of large diameter belled pile in China.
目前人们对大直径扩底桩端阻力折减问题有不同的看法。
The current viewpoints on the modifying coefficient problem of end-bearing resistance of large diameter belled piles are different.
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