A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
AbstractThe Tangshan earthquake of 1976 cost 242 000 lives and was responsible for 164 000 serious injuries and structural damage of immense proportion. The area has eight coal mines, which together form the largest underground coal mining operation in China. Approximately 10 000 miners were working underground at the time of the earthquake. With few exceptions they survived and returned safely to the surface, only to find their families and belongings largely destroyed. Based on a comprehensive survey of the miners' observations, subsurface intensity profiles were drawn up. The profiles clearly indicated that seismic damage in the underground mines was far less severe than at the surface.
RésuméLe tremblement de Tangshan de 1976 couta la vie de 242 000 personnes, fut responsable de 164 000 blessures graves et cre´a des dommages structurels de grandes proportions. La re´gion a huit mines de charbon qui forment le plus important ensemble minier de charbon sous-terrain de Chine. Il y avaita`peu pre`s 10 000 mineurs qui travaillaient sous-terre lors du tremblement de terre. A quelques exceptions pre`s, ils survive`rent tous et retourne`rent en sécuritéa`la surface et trouve`rent leurs familles et leurs biens largement de´truits. Les profils d'intensite´sous terre furent estimésa`partir d'analyses comple`tes des observations des mineurs. Ces profils indique`rent clairement que les dommages se´ismiques furent beaucoup moins séve`res sous terre qu'en surface.
AbstractThe Tangshan earthquake of 1976 cost 242 000 lives and was responsible for 164 000 serious injuries and structural damage of immense proportion. The area has eight coal mines, which together form the largest underground coal mining operation in China. Approximately 10 000 miners were working underground at the time of the earthquake. With few exceptions they survived and returned safely to the surface, only to find their families and belongings largely destroyed. Based on a comprehensive survey of the miners' observations, subsurface intensity profiles were drawn up. The profiles clearly indicated that seismic damage in the underground mines was far less severe than at the surface.
RésuméLe tremblement de Tangshan de 1976 couta la vie de 242 000 personnes, fut responsable de 164 000 blessures graves et cre´a des dommages structurels de grandes proportions. La re´gion a huit mines de charbon qui forment le plus important ensemble minier de charbon sous-terrain de Chine. Il y avaita`peu pre`s 10 000 mineurs qui travaillaient sous-terre lors du tremblement de terre. A quelques exceptions pre`s, ils survive`rent tous et retourne`rent en sécuritéa`la surface et trouve`rent leurs familles et leurs biens largement de´truits. Les profils d'intensite´sous terre furent estimésa`partir d'analyses comple`tes des observations des mineurs. Ces profils indique`rent clairement que les dommages se´ismiques furent beaucoup moins séve`res sous terre qu'en surface.
Performance of underground coal mines during the 1976 Tangshan earthquake
Lee, C.F. (author)
Tunnelling and Underground Space Technology ; 2 ; 199-202
1987-01-01
4 pages
Article (Journal)
Electronic Resource
English
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