| 复杂环境下地铁车站基坑爆破振动效应的试验研究 |
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| 引用本文： | 祝文化,宋成梓,陈卫雄,明锋. 复杂环境下地铁车站基坑爆破振动效应的试验研究[J]. 爆破, 2009, 26(2) |
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| 作者姓名： | 祝文化 宋成梓 陈卫雄 明锋 |
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| 作者单位： | 武汉理工大学土木工程与建筑学院,武汉,430070;中铁十二局集团,太原,030032 |
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| 摘 要： | 复杂环境下的城市基坑控制爆破,爆破振动安全要求高,施工风险大.针对深圳地铁2号线新秀站基坑爆破施工进行了爆破振动效应试验,通过基坑不同部位的爆破试验获得了不同地质条件下的爆破振动衰减规律经验公式,结果显示场地岩石地质条件的差异对试验结果有一定影响,在场地岩石条件变化较大的施工环境应加以重视.试验成果经实际施工监测验证是适用的,根据该公式可计算针对不同建(构)筑物和其它保护对象安全振速要求的最大一次起爆药量,确定爆破规模,为后期爆破设计及施工提供依据.
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| 关 键 词： | 安全振速 地铁车站 岩石条件 |
Experimental Research on Blasting Vibration Effect in Excavation of Subway Station under Complex Environment |
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| ZHU Wen-hua,SONG Cheng-zi,CHEN Wei-xiong,MING Feng. Experimental Research on Blasting Vibration Effect in Excavation of Subway Station under Complex Environment[J]. Blasting, 2009, 26(2) |
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| Authors: | ZHU Wen-hua SONG Cheng-zi CHEN Wei-xiong MING Feng |
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| Affiliation: | 1.School of Cicil Engineering & Architecture;Wuhan University of Technology;Wuhan 430070;China;2.China Railay 12th Bureau Group Co Ltd;Taiyuan 030032;China |
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| Abstract: | Foundation pit controlled blasting under complex environment in city has a high construction risk and high requirement to vibration safety.The blasting vibration effect experiment was conducted for the foundation pit blasting of Xinxiu Station of Shenzhen Metroline No.2,through the blast test in different parts,the empirical formula of blasting vibration under different geological conditions was obtained.The results showed that the different rock conditions has a certain effect to the result.We should take ... |
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| Keywords: | safety vibration velocity subway station rock conditions |
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