| 潘家口水利枢纽主坝底孔爆破开挖弧门检修槽 |
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| 作者单位： | ;1.水利部天津勘测设计研究院 |
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| 摘 要： | 本文介绍在混凝土坝底孔弧形门两侧爆破开挖检修槽的经验，采用密孔小药量光面切割控制爆破技术及相应的措施，取得了较好的效果。
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| 关 键 词： | 光面切割，控制爆破 |
STUDY ON BLASTING AND EXCAVATING TECHNOLOGY FOR PANJIAKOU WATER CONTROL PROJECT──EXCAVATING GROOVES FOR RADIAL GATES IN THE BOTTOM OUTLETS OF THE MAIN DAM |
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| Affiliation: | ,Zhao Zongdi(Tianjin Investigation and Design Institute of Ministry of Water Resources,Tianjin 300222) |
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| Abstract: | The experience for blasting and excavating service grooves on the both sides of radial gate at the bottom outlet of concrete dam is introduced in this paper.The smooth-cutting controlled blasting technology with close blastholes charged with small volume of explosive,including appropriate measures is used in the above mentioned project.Better results have been obtained. |
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| Keywords: | Smooth-cutting Controlled blasting |
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