爆破地震测试及建筑结构安全标准研究

英文篇名：STUDY ON MEASUREMENT OF BLAST-INDUCED SEISM AND BUILDING SAFETY CRITERIA
中文刊名：岩石力学与工程学报
英文刊名：Chinese Journal of Rock Mechanics and Engineering
作者：言志信 ; 王永和 ; 江平 ; 王后裕
英文作者：Yan Zhixin1 ; 2 ; Wang Yonghe ; Jiang Ping2 ; Wang Houyu3 (1Faculty of Civil Engineering and Architecture ; Central South University ; Changsha 410075 China) (2College of Civil Engineering ; Hefei University of Technology ; Hefei 230009 China) (3Air Force Engineering Design and Research Bureau ; Beijing 100077 China)
中文关键词：爆破 ; 地震效应 ; 安全标准 ; 地震观测
英文关键词：blast ; seismic effect ; safety criteria ; seism observation
出版日期：2003-11-30
机构：中南大学土建学院,中南大学土建学院,合肥工业大学土木建筑工程学院,中南大学土建学院长沙410075;合肥工业大学土木建筑工程学院合肥230009 ,长沙410075 ,合肥230009 ,长沙410075;
年：2003
期：11
出版单位：岩石力学与工程学报

摘要

结合岩土特性,运用应力应变关系和波的传播特性,证明用质点振速描述爆破地震效应的合理性。通过多次的爆破地震观测,获得了大量地震波波形图和频谱图资料,并获得了不同场地的地震波传播规律及参数。通过研究爆破振动测试结果,将我国《爆破安全规程》与国外安全标准进行对比,从理论上阐明了爆破安全标准应将振速限值与振动频率相关联,并提出了改进办法和爆破地震安全振速建议标准。
The rationality of using particle vibration velocity to describe blast-induced seismic effect is testified by using the stress-strain relation of rock and soil,and characteristics of wave propagation. A lot of seismic wave diagrams and frequency spectrograms are obtained from a lot of blast-induced seism. The propagation law and parameters of seismic wave in different places are studied. The regulations of blasting safety in China are compared with criteria used abroad,and it is theoretically interpreted that the limit value of vibration velocity and vibration frequence should be related to each other and put into the building safety criteria. Some improved methods and optional criteria of vibration velocity of blast seism are proposed.

引文

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