王奋,范勇,周宜红,赵春菊,严鹏

• 1:三峡大学水利与环境学院
• 2:武汉大学水利水电学院

摘要(Abstract)：

为了评估隧洞爆破地震波作用下临近水电站的安全性,结合深溪沟水电站安装间灌浆排水廊道的掘进爆破开挖工程,利用TC-4850测震仪对临近发电厂房、机组及其他重点保护对象进行爆破震动监测。首先将实测数据进行震动波形、时能密度和震速峰值分析,然后采用一元回归方法分析爆破震动衰减规律,预测不同单响药量和不同爆心距下质点震动幅值,通过与国家爆破震动安全控制标准比较,评估爆破震动的安全性。研究结果表明:现场监测结果与回归分析的理论预测结果相吻合,隧洞爆破震动对临近水电站安全运营的影响较小,采用上述分析方法能够合理地评估隧洞爆破地震波作用下临近水电站的安全性。

关键词(KeyWords)： 爆破震动;震动峰值;回归分析;衰减规律;安全评估

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(51609127);; 湖北省自然科学基金项目(2016CFB238)

作者(Author): 王奋,范勇,周宜红,赵春菊,严鹏

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