Mechanical analysis of the non-uniform falling chimney

HOU Ji-xuan; LI Zhi-ang; GUO Xing; NIU Zhi-hao

doi:10.16854 /j.cnki.1000-0712.2017.06.013

College Physics >

2017 , Vol. 36 >Issue 6: 50 - 51

DOI: https://doi.org/10.16854 /j.cnki.1000-0712.2017.06.013

Mechanical analysis of the non-uniform falling chimney

HOU Ji-xuan ,
LI Zhi-ang ,
GUO Xing ,
NIU Zhi-hao

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1. Department of Physics，Southeast University，Nanjing，Jiangsu 211189，China;　2. Chien-Shiung Wu College，Southeast University，Nanjing，Jiangsu 211189，China

Received date: 2016-08-16

Revised date: 2016-10-28

Online published: 2017-06-20

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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

Cite this article

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 . DOI: 10.16854 /j.cnki.1000-0712.2017.06.013

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