| 两座冷却塔定向爆破拆除 |
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| 引用本文： | 张建平,费鸿禄,张立国.两座冷却塔定向爆破拆除[J].爆破,2006,23(3):59-61,69. |
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| 作者姓名： | 张建平 费鸿禄 张立国 |
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| 作者单位： | 北京科技大学,北京,100083;包头市宏大爆破工程有限责任公司,内蒙古,包头,014010;辽宁工程技术大学,阜新,123000;阜新工大爆破工程有限责任公司,阜新,123000 |
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| 摘 要： | 采用定向倾倒控制爆破技术成功地拆除了发电厂内复杂环境下的2座高度为55 m、底部直径为50 m的冷却塔.详细介绍了主要爆破参数的计算和选取,以及爆破安全性的分析.爆破效果表明:对于高大建筑物的定向爆破,保留部分支撑力的大小直接影响到产生后坐效应的程度和倒塌距离大小,同时也表明,长宽比接近的高大薄壁结构体倾倒后会获得较好的解体效果和较小的倒塌范围.
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| 关 键 词： | 冷却塔 拆除爆破 定向倾倒 爆破安全 |
| 文章编号： | 1001-487X（2006）03-0059-03 |
| 收稿时间： | 2006-06-28 |
| 修稿时间： | 2006-06-28 |
Demolition of Two Cooling Towers by Directional Blasting |
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| ZHANG Jian-ping,FEI Hong-lu,ZHANG Li-guo.Demolition of Two Cooling Towers by Directional Blasting[J].Blasting,2006,23(3):59-61,69. |
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| Authors: | ZHANG Jian-ping FEI Hong-lu ZHANG Li-guo |
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| Affiliation: | 1. University of Science and Technology Beijing, Beijing 100083, China; 2. Baotou Hongda BlastingEngineering COLTD, Baotou 014010, China ; 3, Liaoning Technical University, Fuxin 123000, China ; 4. Fuxin Gongda Blasting Engineering CO LTD, Fuxin 123000, China |
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| Abstract: | Two cooling towers with 55 meters in height and 50 meters in diameter in the complicated circumstances of a power plant were demolished by directional blasting. The main blasting parameters and analysis of blasting safety were introduced in the paper. According to the results of blasting practice, the backlash effect and the toppled distance were directly connected with the proportion of supported force of remain part for the directional blasting of high building structure, and it is proved that excellently demolition results and shorter collapsed dimension were obtained when the structure with high thin wall and smaller rate of height and width was demolished by directional collapsing. |
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| Keywords: | cooling tower demolition blasting directional collapsing blasting safety |
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