大学物理 ›› 2017, Vol. 36 ›› Issue (6): 50-51.doi: 10.16854 /j.cnki.1000-0712.2017.06.013
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侯吉旋1,李志昂2,郭兴2,牛梽豪2
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HOU Ji-xuan1,LI Zhi-ang2,GUO Xing2,NIU Zhi-hao2
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摘要: 烟囱倒塌的过程中可能会在某处断裂.本文研究了质量非均匀的烟囱倾倒过程中各部位的受力与扭矩,并通过扭矩极大值点找出烟囱断裂位置.
关键词: 烟囱, 定轴转动, 断裂
Abstract: It is generally known that chimney might break at a certain place before it hit the ground during a demolition blasting. However,previous models have assumed that the mass distribution of the chimney is uniform. The chimney model analyzed in this paper is a more realistic one with non-uniform mass distribution.By seeking the maximum point of the torque,the possible rupture point of the chimney is given.
Key words: chimney, fixed-axis rotation, rupture
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侯吉旋,李志昂,郭兴,牛梽豪. 质量非均匀分布的烟囱在倾倒过程中的力学分析[J]. 大学物理, 2017, 36(6): 50-51.
HOU Ji-xuan,LI Zhi-ang,GUO Xing,NIU Zhi-hao. Mechanical analysis of the non-uniform falling chimney[J]. College Physics, 2017, 36(6): 50-51.
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链接本文: https://dxwl.bnu.edu.cn/CN/10.16854 /j.cnki.1000-0712.2017.06.013
https://dxwl.bnu.edu.cn/CN/Y2017/V36/I6/50
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