城市复杂环境下场地平整控制爆破设计及实施Design and Implement of Ground Leveling Control Blasting in Complex Urban Environment
李金铸,吴立,李波,袁青
摘要(Abstract):
为研究城市复杂环境下场地平整控制爆破相关理论及实践,以某场地平整土石方爆破为工程背景,设计了采用浅孔台阶爆破、二次爆破及桩孔爆破相结合的控制爆破设计方案。通过对爆破施工现场进行多次试爆,设计了该复杂环境下的控制爆破参数。采用TC-4850爆破测振仪对爆破地震波作用下的岩土体振动进行跟踪监测,对实测峰值合振速通过最小二乘法展开回归分析,得到该场地的爆破地震波衰减规律,爆破过程取得了安全高效的施工效果。
关键词(KeyWords): 城市复杂环境;控制爆破;爆破振动;回归分析
基金项目(Foundation): 湖北省自然科学基金计划重点项目(No.2013CFA110);; 中国地质大学(武汉)教学实验室开放基金项目(No.SKJ2013107)
作者(Author): 李金铸,吴立,李波,袁青
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