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本文叙述了钢铁联合企业内各种振源地基振动的测量技术和分析方法,介绍了武钢等企业内空气压缩机、落锤、锻锤、汽车、火车等振源地基振动的实测情况,列出了各测点的速度波形、峰值、主频等数据。实测表明:不同的振源具有不同的振动波形(大致分为复合稳态波、冲击波、随机波三类)、不同的主频率带、不同的速度峰值及其随距离衰减的规律,且同一振源各测点上三个方向的振动波形不同,衰减规律也不同。落锤振源各测点垂直位移随距离的衰减规律与博尼茨(Bornitz)推导的关系式比较符合。
This paper describes the measurement techniques and analysis methods of vibrations of various vibration sources in the iron and steel complex. The actual situation of ground vibration of air compressors, drop hammers, hammers, cars and trains in WISCO and other enterprises is introduced. The measuring point of the speed waveform, peak, frequency and other data. The experimental results show that different vibration sources have different vibration waveforms (roughly divided into three types of complex steady-state waves, shock waves and random waves), different main frequency bands, different peak velocities and their attenuation with distance, and the same vibration Source of the measuring points on the three directions of the different vibration waveforms, attenuation rules are also different. The relation between the vertical displacement of each measuring point of drop hammer source and the attenuation law of distance is in good agreement with Bornitz ’s deduction.