Research on blasting excavation techniques for
 rock ditching of natural gas ducts

ZHANG Xian-tang; GAO Wen-le; ZHANG Jin-quan; ZHOU Hong-min

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Research on blasting excavation techniques for rock ditching of natural gas ducts

更新时间：2026-06-25

- Research on blasting excavation techniques for rock ditching of natural gas ducts
- Vol. 27, Issue S1, (2006)
- 作者机构：
  
  1. 山东科技大学土木建筑学院,青岛,266510
  2. 同济大学土木工程防灾国家重点实验室,上海,200092
- 作者简介：
- 基金信息：
- DOI：
  CLC： TD235
- Online First：15 December 2006，
  
  Published：2006
- 稿件说明：
移动端阅览
ZHANG Xian-tang, GAO Wen-le, ZHANG Jin-quan, et al. Research on blasting excavation techniques for rock ditching of natural gas ducts[J]. 2006, 27(S1).
DOI：

ZHANG Xian-tang, GAO Wen-le, ZHANG Jin-quan, et al. Research on blasting excavation techniques for rock ditching of natural gas ducts[J]. 2006, 27(S1). DOI：

摘要

结合西气东输工程聊城至泰安天然气输气管道沟开挖工程的特点，探讨了沟槽石方爆破的设计原则和爆破施工方案。通过选择合适的炮孔布置方式及参数、分段装药结构和起爆顺序，提出了沟槽微差爆破技术以及减小爆破震动和飞石的安全措施，保证了通讯光缆和周围设施的安全，取得了良好的爆破效果

为工程的顺利进行创造了有利条件

Abstract

According to the characteristic of Liaocheng-Tai’an natural gas duct excavation engineering of West-East natural gas transmission project

the suitable pattern of hole disposal

the blasting parameters

the structure of stage charge

the reasonable firing method and the detonation sequence of the blasting excavation are discussed. The principle of ditching blasting and the scheme of blasting construction are summarized based on the above analysis. The techniques of millisecond blasting and safety measures of reducing vibration and controlling blasting f1ying rock are put forward. So the security of communications cables and the surrounding facilities are guaranteed; and ideal achievement is obtained. Favorable conditions are created for the smooth progress of West-East natural gas transmission project.

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