复杂环境下钢筋混凝土基础爆破拆除实践

英文篇名：Practice of Blasting Demolition of Reinforced Concrete Foundation under Complex Environment
中文刊名：矿冶工程
英文刊名：Mining and Metallurgical Engineering
作者：范作鹏 ; 黄治成 ; 刘高
英文作者：FAN Zuo-peng1 ; 2 ; HUANG Zhi-cheng1 ; LIU Gao1(1.School of Resources and Safety Engineering ; Central South University ; Changsha 410083 ; Hunan ; China ; 2.Xincheng Gold Mine ; Shandong Gold ; Laizhou 261438 ; ShanDong ; China)
中文关键词：爆破拆除 ; 毫秒微差 ; 安全防护
英文关键词：blasting demolition ; millisecond short delay ; safety precaution
出版日期：2010-10-15
机构：中南大学资源与安全工程学院;山东黄金股份有限公司新城金矿;
年：2010
期：05
出版单位：矿冶工程

摘要

针对复杂环境下钢筋混凝土基础爆破拆除的特点,制定了多段毫秒微差爆破方案,介绍了爆破拆除的设计和施工。根据每次爆破规模计算了爆破震动、爆破飞石和爆破冲击波安全距离,对爆区环境中不具备足够安全距离的采取相应的安全防护措施。利用Blastmare爆破震动仪监测数据进行线性回归,修正了爆破震动安全允许距离计算公式。
Considering the features of demolition blasting of reinforced concrete foundation under complex environment,multistage millisecond short delay blasting scheme was prepared.The design and construction of blasting demolition was introduced in details.The safety distance for blasting vibration,blasting flyrock and blasting shock wave was calculated according to each blasting scale.And it is suggested that some appropriate safety precautions shall be taken for the blasting environment within the range of unsafe distance.By linear regression with blasting vibration data monitored with Blastmare,the formula for minimum safe distance of blasting vibration is modified.

引文

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