欧阳建华,李雷斌,吴亮,蒋培,钟冬望

• 1:中铁港航局集团爆破工程公司
• 2:武汉科技大学理学院
• 3:中铁港航-武汉科技大学爆破技术研究中心

摘要(Abstract)：

针对某凸形岩质边坡爆破开挖工程,分析了爆破扰动对边坡岩体稳定的影响,讨论并确定了该岩质边坡的质点振动速度安全阈值。通过对现场爆破荷载作用下边坡岩体质点振动的跟踪监测数据,得到了该凸形坡体的质点振动衰减规律。讨论了边坡形状对质点振动放大效应的影响程度,并给出了该类边坡岩体测点安装装置的基本措施。数据回归表明:该凸形边坡体的爆破质点振动速度随高程的增加,存在高程放大效应,相比较非凸形边坡岩体而言,凸形边坡工程的高程放大效应更为显著。

关键词(KeyWords)： 边坡工程;爆破振动;放大效应

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(No:51004079&51174147);; 湖北省自然科学基金(No:2014CFB822)

作者(Author): 欧阳建华,李雷斌,吴亮,蒋培,钟冬望

参考文献(References)：

• [1]唐海,李海波,蒋鹏灿,等.地形地貌对爆破振动波传播的影响实验研究[J].岩石力学与工程学报,2007,26(9):1817-1823.TANG Hai,LI Hai-bo,JIANG Peng-can,et al.Experimental study on effect of topography on propagation of blasting waves[J].Chinese Journal of Rock Mechanics and Engineering,2007,26(9):1817-1823.(in Chinese)
• [2]陈明,卢文波,吴亮,等.小湾水电站岩石高边坡爆破振动速度安全阈值研究[J].岩石力学与工程学报,2007,26(1):51-56.CHEN Ming,LU Wen-bo,WU Liang,et al.Safety threshold of blasting vibration velocity to high rock slope of Xiaowan hydropower station[J].Chinese Journal of Rock Mechanics and Engineering,2007,26(1):51-56.(in Chinese)
• [3]黎剑华,张龙,颜荣贵.爆破地震波作用下的边坡失稳机制与临界振动速度[J].矿冶,2001,10(1):11-15.LI Jian-hua,ZHANG Long,YAN Rong-gui.Mechanism of rock slope unstability and critical vibration velocity under action of blasting seism wave[J].Mining&Metallurgy,2001,10(1):11-15.(in Chinese)
• [4]卢文波,张乐,周俊汝,等.爆破振动频率衰减机制和衰减规律的理论分析[J].爆破,2013,30(2):1-6.LU Wen-bo,ZHANG Le,ZHOU Jun-ru,et al.Theoretical analysis on decay mechanism and law of blasting vibration frequency[J].Blasting,2013,30(2):1-6.(in Chinese)
• [5]裴来政.金堆城露大矿高边坡爆破震动监测与分析[J].爆破,2006,23(4):82-85.PEI Lai-zheng.Observation and analysis of blasting vibration to the high slope of Jinduicheng Open-pit Mine[J].Blasting,2006,23(4):82-85.(in Chinese)
• [6]谭文辉,璩世杰,毛市龙,等.边坡爆破振动高程效应分析[J].岩土工程学报,2010,32(4):619-623.TAN Wen-hui,QU Shi-jie,MAO Shi-long,et al.Altitude effect of blasting vibration in slopes[J].Chinese Journal of Geotechnical Engineering,2010,32(4):619-623.(in Chinese)
• [7]张志毅,杨年华,卢文波,等.中国爆破振动控制技术的新进展[J].爆破,2013,30(2):25-32.ZHANG Zhi-yi,YANG Nian-hua,LU Wen-bo,et al.Progress of blasting vibration control technology in China[J].Blasting,2013,30(2):25-32.(in Chinese)
• [8]陈明,卢文波,李鹏,等.岩质边坡爆破振动速度的高程放大效应研究[J].岩石力学与工程学报,2011,30(11):2189-2195.CHEN Ming,LU Wen-bo,LI Peng,et al.Elevation amplification effect of blasting vibration velocity in rock slope[J].Chinese Journal of Rock Mechanics and Engineering,2011,30(11):2189-2195.(in Chinese)
• [9]邹灿,吴立,左清军.地下水封石洞储库爆破振动监测与分析[J].爆破,2014,31(1):84-88.ZOU Can,WU Li,ZUO Qing-jun.Monitoring and analysis of blasting vibration in underground water-sealed oil storage caverns[J].Blasting,2014,31(1):84-88.(in Chinese)