工程爆破

2001, (02) 68-72

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水下控制爆破扩建进水口及周边预裂爆破开挖基础孔
EXTENSION OF WATER INLET BY UNDERWATER CONTROLLED BLASTING AND EXCAVATION OF FOUNDATION PILE HOLES BY PERIPHERAL PRESPLIT BLASTING

陶松垒,叶建,杨雁,邱春方
TAO Song lei 1,YE Jian 1,YANG Yan 2,QIU Chun fang 3 (1 Hangzhou Institute of Applied Engineering,Hangzhou 310012,China; 2 Arms Department of Zhejiang Military Region,Hangzhou 310002, China; 3 Zhejiang Reclaiming Engineerin

摘要(Abstract):

介绍温州瓯江泵站进水口扩建工程。在不断流的情况下 ,用水下控制爆破拓深、拓宽进水口 ,用周边预裂爆破开挖基础孔。双铁筒围堰的使用 ,确保了基础孔的开挖和浇筑质量。周边孔中钢管药筒的使用 ,保证了基础孔围岩的完整性。文中还介绍了双铁筒围堰和钢管药筒的结构
In this paper,an extension project of the water inlet of Ou River Pumping Station in Wenzhou city is introduced Under the condition of not stopping the water supply,underwater controlled blasting is used for extension of the water inlet and peripheral presplit blasting for excavation of foundation pile holes By use of a double iron cartridge cofferdam,the excavating and pouring quality of the foundation pile holes is ensured The integrity of country rocks of the foundation pile holes is retained by used of a steel shell column charge in peripheral blastholes In addition,the structures of the double iron cartridge cofferdam and steel shell column charge are presented

关键词(KeyWords): 水下爆破;控制爆破;周边预裂爆破
Underwater blasting; Controlled blasting; Peripheral presplit blasting

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作者(Author): 陶松垒,叶建,杨雁,邱春方
TAO Song lei 1,YE Jian 1,YANG Yan 2,QIU Chun fang 3 (1 Hangzhou Institute of Applied Engineering,Hangzhou 310012,China; 2 Arms Department of Zhejiang Military Region,Hangzhou 310002, China; 3 Zhejiang Reclaiming Engineerin

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