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论述了建筑施工振动的常见类型、打桩引起的振动特性,分析了打桩振害与地震震害的区别,以及打桩振动对建筑物影响形式,列举了有关现行规范标准的振动容许限制.通过一个护坡桩的振动测试实例,说明了振动测试的原理、采用仪器、数据采集、测试方案、数据处理等技术要点,分析了打桩振动测试的具体方法及影响评价,从而为类似的检测鉴定提供了方法参考和依据.
This paper discusses the common types of vibration in construction, the vibration characteristics caused by pile driving, analyzes the difference between pile driving damage and earthquake damage, and the influence form of pile driving vibration on the building, and lists the allowable limits for the vibration of existing standards.At the same time, This paper introduces the principle of vibration test, the technical points of instrument, data acquisition, test scheme and data processing, and analyzes the concrete method and influence evaluation of pile vibration test, which provides a reference for similar detection and identification And based on.