工程爆破

2001, (04) 43-46+59

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用控制爆破部分切除混凝土基础墙角
PARTIAL CUTTING OF THE WALL-CORNERS OF A CONCRETE FOUNDATION BY CONTROLLED BLASTING

徐颖,傅菊根,宗琦
XU Ying 1,2 ,FU Ju gen 2,ZONG,Qi 1,2 (1 University of Science and Technology of China,Hefei,Anhui 230026,China; 2 Huainan Institute of Technology,Huainan,Anhui 232001,China)

摘要(Abstract):

用控制爆破方法将提升机房内素混凝土基础的四个墙内角部分切除。为使切割面平整 ,保护留下的墙体 ,采用了有切槽的炮孔和水耦合分层装药结构 ,同时实行密孔间隔装药 ,取得了较满意的爆破效果。文中还简介了有切槽炮孔和空孔导向成缝的原理
The four wall corners of a plain concrete foundation in a hoist room were partially cut off by controlled blasting In order to smooth the cut surface and protect the remained walls,the notched holes and water coupling decked charges were used At the same time,the closely spaced holes were used and loaded at intervals of a hole An ideal blasting result had been achieved Also,the principle of inducing directional fissures by the notched and empty holes was briefly introduced in this paper

关键词(KeyWords): 混凝土切割;水耦合装药;有切槽炮孔;控制爆破
Concrete cutting; Water Coupling charge; Notched holes; Controlled blasting

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作者(Author): 徐颖,傅菊根,宗琦
XU Ying 1,2 ,FU Ju gen 2,ZONG,Qi 1,2 (1 University of Science and Technology of China,Hefei,Anhui 230026,China; 2 Huainan Institute of Technology,Huainan,Anhui 232001,China)

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