| 地下厂房爆破开挖对混凝土吊车梁的影响研究 |
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| 引用本文： | 崔积弘,林从谋,赵锦桥,毕卫国.地下厂房爆破开挖对混凝土吊车梁的影响研究[J].防灾减灾工程学报,2005,25(1):58-62. |
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| 作者姓名： | 崔积弘 林从谋 赵锦桥 毕卫国 |
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| 作者单位： | 山东科技大学,山东,泰安,271019;华侨大学岩土工程研究所,福建,泉州,362011 |
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| 摘 要： | 爆破荷载对锚固梁作用的研究是水电工程防灾减灾的一个热点问题。结合泰安蓄能电站地下厂房爆破开挖工程,应用有限元程序,建立了简化模型,把三维问题转换成二维平面问题,对爆破作用下的锚固梁的振动响应进行了模拟,得到速度场和应力分布场,指出了工程中应该注意的问题;用工程实测数据进行比较,证明了模拟结果的正确性。
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| 关 键 词： | 有限元 吊车梁 防灾减灾 数值模拟 |
| 文章编号： | 1672-2132(2005)01-0058-05 |
| 修稿时间： | 2004年9月9日 |
Effect of Blasting on Concrete Girder in Underground Workshop |
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| CUI Ji-hong,LIN Cong-mou,ZHAO Jin-qiao,BI Wei-guo.Effect of Blasting on Concrete Girder in Underground Workshop[J].Journal of Disaster Prevent and Mitigation Eng,2005,25(1):58-62. |
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| Authors: | CUI Ji-hong LIN Cong-mou ZHAO Jin-qiao BI Wei-guo |
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| Abstract: | The effect of blasting load on anchored birder is a hot research issue in disaster prevention and mitigation of hydroelectricity project. To assess the effect of blasting on the excavation of underground workshop of Taian Hydropower-storage plant, the finite element program is applied to simulate the vibration response of the anchored birder to blasting. A simplified model is proposed to transform a three-dimensional problem into a planar one with the velocity field and stress distribution obtained. Compared with the data observed at the site of project, the numerical simulation is reasonable and some suggestions are given. |
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| Keywords: | finite element method crane girder disaster prevention and mitigation numerical simulation |
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