工程爆破

2001, (03) 15-18

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频率在爆破震害中的作用及其影响因素分析
ROLE OF FREQUENCY IN HARM OF BLASTING VIBRATION AND ANALYSIS ON ITS INFLUENCE FACTORS

李孝林,穆太升,董鑫,周东良,薛思读
LI Xiao lin 1; MU Tai sheng 2; DONG Xin 2;ZHOU Dong liang 2; XUE Si du 2 (1 Beijing District;

摘要(Abstract):

对爆破震动测试结果的分析表明 ,频率在爆破震害中起重要作用 ,因而在建筑物爆破震动安全评价中应同时考虑振动幅值和频率两个指标。文中分析了爆炸能量、起爆段数、距离以及传播介质对爆破震动频率的影响 ,通过对爆破震动频率影响因素的分析得知 ,在爆破震动测试结果的分析中 ,应充分注意到爆破条件和测试条件的变化
The analysis on results of blasting vibration measurement has showed that the vibration frequency plays an important role in the harm of blasting vibration As a result,both vibration frequency and vibration levels should be considered in evaluation of building safety on blasting vibration The influence of explosive energy,blasting delay interval,distance and propagation medium on blasting vibration frequency is studied in this paper It is known through analyzing the influence factors of blasting vibration frequency that a great attention should be brought to various conditions of blasting and test in the analysis on results of blasting vibration measurement

关键词(KeyWords): 频率;爆破震动;结构响应
Frequency; Blasting vibration; Structure response

Abstract:

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作者(Authors): 李孝林,穆太升,董鑫,周东良,薛思读
LI Xiao lin 1; MU Tai sheng 2; DONG Xin 2;ZHOU Dong liang 2; XUE Si du 2 (1 Beijing District;

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