行车状态下既有公路线扩堑控制爆破

Implementation Technique of Rock Cutting Controlled Blasting for Existing Extension under the Vehicle Moving Status

在正常交通行车状态下的高速公路石方扩堑施工中,采用严密的施工技术控制和施工组织控制,达到了在特殊环境条件下爆破施工安全要求和进度要求。介绍了爆前安全准备工作和其他安全防护措施等,重点阐述爆破方案确定、综合控制措施、施爆技术参数与安全施工组织措施。

Strict control of implementation in highway rock cutting construction under the vehicle moving status can guarantee the safety and rate of progress of blasting in special surroundings.Aiming at expounding the choosing of blasting schemes,comprehensive control measures,technical parameters of blasting and organizing measures of safe construction,this paper introduces the safety preparation work before blasting and other safeguarding measures.