Optimization for excavation depth of foundation trench is carried out and notable economic benefit is achieved.

并且对基槽开挖深度进行优化设计，取得了显著的经济效益。

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By means of the existing measurement control points on the ground elevation for lofting, determine the excavation depth.

利用已有的丈量控制点对原地面高程进行放样，确定开挖深度。

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It was indicated that the influence of eccentricity on excavation depth increased with the increase of contact pressure.

挖掘机接触压力越大，偏心距对开挖深度的影响也越大。

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"The depth of the excavation and the strength of the foundation tell you how big the building is going to be, " he says.

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