频率因素对爆破振动影响的分析探讨
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摘要
分析总结了目前国内外对于爆破振动频率的研究成果,提出了折合振动速度这一概念,主要探讨考虑频率因素影响条件的爆破振动计算公式。通过分析得到动态影响系数Bf,对根据萨式公式进行回归的经验公式进行修正,并结合工程实例验证。结果表明理论计算折合振速与实测折合振速相差率基本控制在10%以内。
Based on the research of blasting vibration frequency home and abroad,the concept of equivalent vibration velocity was put forward and the calculation formula of blasting vibration considering the influence of frequency factor was discussed.The dynamic influence coefficient Bf was achieved based on analysis,and then the empirical formula was obtained with Sa-type regression formula which was corrected and verified in the practical engineering projects.Results show that the error rate of equivalent vibration velocity between theoretical values and practical values was controlled within about 10 percent.
Based on the research of blasting vibration frequency home and abroad,the concept of equivalent vibration velocity was put forward and the calculation formula of blasting vibration considering the influence of frequency factor was discussed.The dynamic influence coefficient Bf was achieved based on analysis,and then the empirical formula was obtained with Sa-type regression formula which was corrected and verified in the practical engineering projects.Results show that the error rate of equivalent vibration velocity between theoretical values and practical values was controlled within about 10 percent.
引文
[1]中华人民共和国国家标准编写组.爆破安全规程(GB722—2003)[S].北京:北京标准出版社,2004.[1]The National Standards Compilation Group of People's Re-public of China.Safety rules of blasting(GB722—2003)[S].Beijing:Standards Press of Beijing,2004.(in Chinese)
[2]程康,祝文化,王清华.岩土开挖工程爆破[M].武汉:武汉理工大学出版社,2008.
[3]许红涛,卢文波.几种爆破震动安全判据[J].爆破,2002,19(1):8-10.[3]XU Hong-tao,LU Wen-bo.Advance on safety criteria forblasting vibratio[J].Blasting,2002,19(1):8-10.(inChinese)
[4]毛志远,徐全军.考虑频率影响的爆破震动安全判据的工程实践[J].工程爆破,2001,7(3):19-22.[4]MAO Zhi-yuan,XU Quan-jun.An engineering practice onsafety criterion of blasting vibration considering the effectof frequency[J].Engineering Blasting,2001,7(3):19-22.(in Chinese)
[5]王永庆,魏晓林,夏柏如,等.爆破振动频率预测研究[J].爆破,2007,24(4):17-20.[5]WANG Yong-qing,WEI Xiao-lin,XIA Bai-ru,et al.Studyon forecast of blasting seismotic frequency[J].Blasting,2007,24(4):17-20.(in Chinese)
[6]李孝林,王少雄,高怀树.爆破振动频率影响因素分析[J].辽宁工程技术大学学报,2006,25(2):204-206.[6]LI Xiao-lin,WANG Shao-xiong,GAO Huai-shu.Analysisof factors affecting blasting vibration frequency[J].Jour-nal of Liaoning Technical University,2006,25(2):204-206.(in Chinese)
[7]焦永斌.爆破地震安全评定标准初探[J].爆破,1995,12(3):45-47.[7]JIAO Yong-bin.Exploration of blasting seismic safety as-sessment standards[J].Blasting,1995,12(3):45-47.(in Chinese)
[8]张立国,龚敏,于亚伦.爆破振动频率预测及其回归分析[J].辽宁工程技术大学学报,2005,24(2):187-189.[8]ZHANG Li-guo,GONG Min,YU Ya-lun.Forecast and re-gression analysis of blasting vibration frequency[J].Jour-nal of Liaoning Technical University,2005,24(2):187-189.(in Chinese)
[9]李新平,陈俊桦,李友华.某地下厂房岩锚梁爆破振动测试与研究[J].武汉理工大学学报,2009,31(16):67-71.[9]LI Xin-ping,CHEN Jun-hua,LI You-hua.Test and re-search on blasting vibration of rock-anchored beam in anunderground powerhous[J].Journal of Wuhan Universityof Technology,2009,31(16):67-71.(in Chinese)
[10]饶增,傅洪贤,薛昊博.隧道爆破施工对初期支护的影响及安全振动速度探讨[J].2010ETP/IITA2010 International Conference on Management Scienceand Engineering:359-362.[10]RAO Zeng,FU Hong-xian,XUE Hao-bo.Tunnel blastingeffect on primary support and the study of safety vibra-tion velocity[J].2010 ETP/IITA 2010 InternationalConference on Management Science and Engineering:359-362.(in Chinese)
[2]程康,祝文化,王清华.岩土开挖工程爆破[M].武汉:武汉理工大学出版社,2008.
[3]许红涛,卢文波.几种爆破震动安全判据[J].爆破,2002,19(1):8-10.[3]XU Hong-tao,LU Wen-bo.Advance on safety criteria forblasting vibratio[J].Blasting,2002,19(1):8-10.(inChinese)
[4]毛志远,徐全军.考虑频率影响的爆破震动安全判据的工程实践[J].工程爆破,2001,7(3):19-22.[4]MAO Zhi-yuan,XU Quan-jun.An engineering practice onsafety criterion of blasting vibration considering the effectof frequency[J].Engineering Blasting,2001,7(3):19-22.(in Chinese)
[5]王永庆,魏晓林,夏柏如,等.爆破振动频率预测研究[J].爆破,2007,24(4):17-20.[5]WANG Yong-qing,WEI Xiao-lin,XIA Bai-ru,et al.Studyon forecast of blasting seismotic frequency[J].Blasting,2007,24(4):17-20.(in Chinese)
[6]李孝林,王少雄,高怀树.爆破振动频率影响因素分析[J].辽宁工程技术大学学报,2006,25(2):204-206.[6]LI Xiao-lin,WANG Shao-xiong,GAO Huai-shu.Analysisof factors affecting blasting vibration frequency[J].Jour-nal of Liaoning Technical University,2006,25(2):204-206.(in Chinese)
[7]焦永斌.爆破地震安全评定标准初探[J].爆破,1995,12(3):45-47.[7]JIAO Yong-bin.Exploration of blasting seismic safety as-sessment standards[J].Blasting,1995,12(3):45-47.(in Chinese)
[8]张立国,龚敏,于亚伦.爆破振动频率预测及其回归分析[J].辽宁工程技术大学学报,2005,24(2):187-189.[8]ZHANG Li-guo,GONG Min,YU Ya-lun.Forecast and re-gression analysis of blasting vibration frequency[J].Jour-nal of Liaoning Technical University,2005,24(2):187-189.(in Chinese)
[9]李新平,陈俊桦,李友华.某地下厂房岩锚梁爆破振动测试与研究[J].武汉理工大学学报,2009,31(16):67-71.[9]LI Xin-ping,CHEN Jun-hua,LI You-hua.Test and re-search on blasting vibration of rock-anchored beam in anunderground powerhous[J].Journal of Wuhan Universityof Technology,2009,31(16):67-71.(in Chinese)
[10]饶增,傅洪贤,薛昊博.隧道爆破施工对初期支护的影响及安全振动速度探讨[J].2010ETP/IITA2010 International Conference on Management Scienceand Engineering:359-362.[10]RAO Zeng,FU Hong-xian,XUE Hao-bo.Tunnel blastingeffect on primary support and the study of safety vibra-tion velocity[J].2010 ETP/IITA 2010 InternationalConference on Management Science and Engineering:359-362.(in Chinese)
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