| 大型石拱桥坍塌爆破拆除 |
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| 引用本文： | 曹跃,庞端根,杨昌森,余德运.大型石拱桥坍塌爆破拆除[J].爆破,2005,22(2):61-63. |
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| 作者姓名： | 曹跃 庞端根 杨昌森 余德运 |
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| 作者单位： | 武汉理工大学,湖北,武汉,430070;吉安市爆破工程公司,江西,吉安,343000;武汉市人防工程公司,湖北,武汉,430071 |
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| 摘 要： | 介绍了长182 m大型公路石拱桥一次性坍塌爆破拆除的方案选择和主要爆破参数.根据石砌拱形桥的结构及其自重大的特征,仅对桥墩、主拱拱脚和腹拱主墙几处布置炮眼进行爆破,成功实现了一次性坍塌拆除.爆破坍塌在水中产生了较大涌浪,这是今后类似工程应予以注意和预防的问题.
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| 关 键 词： | 石拱桥 拆除爆破 一次爆破 爆破安全 |
| 文章编号： | 1001-487X(2005)02-0061-03 |
| 修稿时间： | 2005年1月31日 |
Demolition of a Large Stone Arch Bridge by Collapse Blasting |
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| CAO Yue,PANG Duan-gen,YANG Chang-sen,YU De-yun.Demolition of a Large Stone Arch Bridge by Collapse Blasting[J].Blasting,2005,22(2):61-63. |
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| Authors: | CAO Yue PANG Duan-gen YANG Chang-sen YU De-yun |
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| Abstract: | The selection of scheme and main blasting parameters in demolishing a 168 m-long large highway stone arch bridge by blasting were introduced. According to structure and heavy gravity of the stone arch bridge, blastholes are only laid to pier, main arch foot, bellyarch main wall and blast to suceessfully implement a single-event collapse demolition blasting. Collapse blasting produces heavily waves in water, this is the question that the similar project should be paid attention to and be prevented in the future. |
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| Keywords: | stone arch bridge demolition blasting single-event blasting safety |
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