工程爆破

2009, v.15;No.55(01) 24-27+43

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三门核电站负挖工程爆破施工设计
DESIGN OF NEGATIVE EXCAVATION BLASTING CONSTRUCTION OF SANMEN NUCLEAR POWER STATION

张戈平;
ZHANG Ge-ping(Hebei Water Conservancy Engineering Bureau,Shijiazhuang 050021,China)

摘要(Abstract):

通过三门核电站负挖工程爆破设计实例,介绍了复杂环境下深孔爆破、预裂爆破、保护层爆破施工的设计思路;提出了孔排距、炸药单耗、装药结构、起爆方式等爆破参数的确定方法。该工程负挖爆破施工取了很好的效果,对类似工程有一定的参考价值。
Regarding the practical engineering case of the design of negative excavation blasting fulfilled in blasting construction of Sanmen nuclear power station,the paper discussed a designing idea of channel blasting construction under complicated environment in terms of its long-hole blasting,pre-splitting blasting and protection layer blasting,and brought forward the determining methods of hole row margin,unit explosive assumption,charge structure and ignition patterns.The blasting based on the design idea saw a good demolition result and was of reference value to similar engineering.

关键词(KeyWords): 负挖爆破;深孔爆破;预裂爆破;保护层爆破;爆破参数设计
Negative excavation blasting;Deep hole blasting;Pre-splitting blasting;Protection layer blasting;Blasting parameter design

Abstract:

Keywords:

基金项目(Foundation):

作者(Authors): 张戈平;
ZHANG Ge-ping(Hebei Water Conservancy Engineering Bureau,Shijiazhuang 050021,China)

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