| 十五层多边形框剪大楼的爆破拆除 |
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| 引用本文： | 王霞明,程才林,王海潮,何华伟,辛振坤. 十五层多边形框剪大楼的爆破拆除[J]. 工程爆破, 2004, 10(4): 35-39,55 |
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| 作者姓名： | 王霞明 程才林 王海潮 何华伟 辛振坤 |
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| 作者单位： | 浙江京安爆破工程有限公司,杭州,310005;浙江京安爆破工程有限公司,杭州,310005;浙江京安爆破工程有限公司,杭州,310005;浙江京安爆破工程有限公司,杭州,310005;浙江京安爆破工程有限公司,杭州,310005 |
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| 摘 要： | 十五层多边形框剪大楼采用定向折叠爆破方案拆除。介绍了上、下爆破缺口的布置、不同断面形状立柱的布孔方式和药包布置、坚固的剪力墙的预处理。讨论了不同立柱的炸高和炸药单耗的确定。根据所确定的爆破缺口高度 ,对大楼倒塌的可靠性进行了校核。此外 ,针对楼体高度大、需重点保护的玻璃幕墙 ,对防飞石的措施、爆破震动和塌落震动进行了评估
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| 关 键 词： | 框剪结构 多边形大楼 变截面立柱 定向折叠倾倒 拆除爆破 |
| 文章编号： | 1006-7051(2004)04-0035-05 |
BLASTING DEMOLITION OF A FIFTEEN-STOREYED AND POLYGONAL BUILDING WITH FRAME-SHEAR WALL |
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| WANG Xia-ming,CHENG Cai-lin,WANG Hai-chao,HE Hua-wei,XIN Zhen-kun. BLASTING DEMOLITION OF A FIFTEEN-STOREYED AND POLYGONAL BUILDING WITH FRAME-SHEAR WALL[J]. Engineering Blasting, 2004, 10(4): 35-39,55 |
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| Authors: | WANG Xia-ming CHENG Cai-lin WANG Hai-chao HE Hua-wei XIN Zhen-kun |
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| Abstract: | By use of directional and folded blasting,a fifteen-storeyed and polygonal building with frame-shear wall was demolished.The arrangement of upper and bottom blasting cuts,the drilling and charging patterns for the columns with different sectional shapes,and the pretreatment of strong shear wall were introduced.The determination of blasting heights and specific charges for varied columns was discussed.On the basis of the determined height of blasting cut,check on the reliability of building collapse was made. In addition, the precautions ~against) flying rocks and blasting and collapsing vibrations were appraised in the light of higher building and the glassy curtain wall needing to be protected emphatically. |
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| Keywords: | Frame-shear wall structure Polygonal building Variable cross-section column Directional and folded collapse Demolition blasting |
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