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本文介绍武钢高耸烟囱在基础的近区施工打桩过程中引起的振动及其观测成果。采用测振仪器监测获得结构振动的各种参数,并将振动讯号在微计算机系统上进行谱分析。谱分析的结果与理论计算基本吻合。根据观测数据判断,打桩对结构的影响属于微振。打桩结束,烟囱安全无恙。
This paper introduces the vibration caused by the towering chimney in WISCO near the foundation and the observation results. Vibration instruments were used to monitor the various parameters of structural vibration and the vibration signals were analyzed on the microcomputer system. The results of spectral analysis are in good agreement with the theoretical calculations. Judging from the observed data, the effect of pile driving on the structure belongs to micro-vibration. Piling ends, the chimney safe and sound.