重叠面积 meaning in English

area of overlap
crowded area
overlapping area

However , this kind of foundation becomes a complex system under the interaction of pile - beam - soil and the behavior of the foundation is still not clearly explained . as this kind of foundation is used in a great number of buildings every year in china , further research on the interaction of pile - beam - soil is needed . a computing program of crossed foundation beam is developed by using the coordinate alteration matrix and taking into account the action of soil under the foundation beam
通过考虑梁下地基土对基础梁的各向支承作用，引入坐标变换矩阵对任意方向上的基础梁进行坐标变换，使其能适用于格式基础梁(包括非正交格式基础梁)的计算，同时采用荷载修正法修正格式基础梁中基底重叠面积的影响，用刚度修正法修正桩?梁基础中基底重叠面积的影响。