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本文阐明在建筑物密集、生产不能停顿的老厂改造中,桩基仍然是地基基础的重要技术手段之一。以实例的计算数据和施工实测振动数据对比为依据,简述和讨论了打桩振动对邻近建筑物的影响及其评价方法和控制标准。论证了以“地面质点速度幅值”作为主要控制参数和Wiss提出的“避免振动破坏控制标准”在武钢是适用的。
This article clarifies that the pile foundation is still one of the important technical means for the foundation of the foundation in the reconstruction of old buildings where the buildings are dense and the production cannot be stopped. Based on the comparison between the actual calculation data and actual vibration data of the construction, the impact of the pile vibration on the neighboring buildings and its evaluation methods and control standards are briefly described and discussed. It was demonstrated that the “ground mass velocity amplitude” as the main control parameter and Wiss proposed “control criterion for avoiding vibration damage” is applicable in Wuhan Iron and Steel.