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风化岩持力层地基上的桩与普通桩有许多不同之处 ,本文从工程实际出发讨论了该类桩的桩长变化、承载力、质量检测等问题。结合工程实例给出了桩端支承情况鉴定的实用方法
There are many differences between ordinary pile and pile on foundation of weathered rock bearing stratum. This paper discusses the change of pile length, bearing capacity and quality of the pile from the engineering practice. A practical method for the identification of pile end support is given with the engineering examples