临近居民区岩质高边坡微差爆破施工技术应用

›› 2018, Vol. 32 ›› Issue (3): 297-300.

临近居民区岩质高边坡微差爆破施工技术应用

李志堂，文来胜，孙江涛，谭博盛，曾春涛，吴志彬

（广东省长大公路工程有限公司，广州 510620）

收稿日期:2018-03-26 修回日期:2018-04-10 出版日期:2018-06-22 发布日期:2018-06-26
作者简介:李志堂（1985-），硕士研究生，工程师，研究方向为岩土工程。

Application of Millisecond Blasting in a High Rock Slope Near the Residential Community

LI Zhitang, WEN Laisheng, SUN Jiangtao, TAN Bosheng, ZENG Chuntao, WU Zhibin

(Guangdong Provincial Changda Highway Engineering Co., Ltd., Guangzhou 510620)

Received:2018-03-26 Revised:2018-04-10 Online:2018-06-22 Published:2018-06-26

摘要/Abstract

摘要： 某在建高速公路一岩质高边坡靠近村庄民房及国道，为避免爆破施工对周边村民正常生活、附近建（构）筑物及国道交通安全造成不良影响，结合工程特点，提出“单次量大，总爆次少”理念，通过采用数码雷管微差降振爆破技术，实现了岩质边坡快速安全爆破开挖；对居民区监测结果表明该爆破施工技术对于居民区振动影响在规范安全范围以内，爆破后坡面光爆效果良好；爆堆石碴均匀松散且大块及根底数量少，铲装效率高，节约了工期，确保了周边环境安全，保证了工程顺利完工。

关键词: 岩质高边坡, 数码电子雷管, 微差爆破, 爆破振动, 临近居民区

Abstract: A high rock slope of a highway under construction was very close to a residential community and was close to another state highway. To avoid the adverse effects of blasting on the nearby residents, buildings (structures) and the traffic safety of the live state highway, an innovative idea of “larger blasting quantity per blast and fewer blasting times” was proposed. By using the digital electronic detonator, the millisecond blasting technique was used to achieve the quick and safe blasting of the rock slope. The monitoring results of the residential community showed that the technology was within the standard safety limits for the residential vibrations. With a safe effect of the blasting, the surrounding environment safety as well as construction schedule were warranted.

Key words: High Rock Slope, Digital Electronic Detonator, Millisecond Blasting, Blasting Vibration, Near Residential Area

李志堂，文来胜，孙江涛，谭博盛，曾春涛，吴志彬. 临近居民区岩质高边坡微差爆破施工技术应用[J]. , 2018, 32(3): 297-300.

LI Zhitang, WEN Laisheng, SUN Jiangtao, TAN Bosheng, ZENG Chuntao, WU Zhibin. Application of Millisecond Blasting in a High Rock Slope Near the Residential Community[J]. , 2018, 32(3): 297-300.

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