| 人防坑道爆破掘进对施工中的电视塔的影响观测与分析 |
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| 引用本文： | 李廷芥,洪悯萱. 人防坑道爆破掘进对施工中的电视塔的影响观测与分析[J]. 岩土力学, 1985, 6(2): 69-77 |
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| 作者姓名： | 李廷芥 洪悯萱 |
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| 摘 要： | 为检查人防工程主干道爆破施工对其上部正在进行主体混凝土浇灌的电视塔工程的影响,我们对人防坑道爆破瞬间的电视塔结构、电视塔附近基岩以及人防坑道底板的振动速度进行了现场测量。本文将电视塔作为一个正在连续浇灌施工的高耸建筑物,其顶部混凝土尚处于初凝期,对破坏判据的选取进行评价与分析。文中对现代城市经常出现的地面建筑物(或地下上层结构物)振动效应控制的分析,可对同类工程提供有意义的参考。
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| 关 键 词： | 人防坑道 高耸建筑物 混凝土浇灌 上层结构 振动效应 初凝 爆破施工 安全判据 结构自振频率 爆破振动 |
The Observation and Analysis of Influence of Blast Driving of the People’s Air Defence Tunnel on a TV Tower under Construction |
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| Li Tingjie,Hong Minxuan. The Observation and Analysis of Influence of Blast Driving of the People’s Air Defence Tunnel on a TV Tower under Construction[J]. Rock and Soil Mechanics, 1985, 6(2): 69-77 |
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| Authors: | Li Tingjie Hong Minxuan |
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| Abstract: | In order to investigate the influence of blast driving of the people’s air defence tunnel on a TV tower being under construction, we have measured vibration velocity of the TV tower, cornerstone and the tunnel. In this paper the TV tower is regarded as a protruding high edifice which is under construction, the assessment and analysis of the failure criteria have been given. The analysis and conclusion may contribute as a instructive reference for some similar engineering. |
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