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Research on MIC-120 Metal Arched Ripple Roof

ZHANG De-chen,SUN Yan-ping(School of Mechanical Eninering and Automation,Anshan University of Science and Technology,Anshan 114044,China)  
This paper uses simple equations and finite elemetn method to calculate the critial load of the MIC-120 metal arched ripple roof.It analyses the stability of the metal arched ripple roof by comparing it with the experiment conclusion of the metal arched ripple roof,particularly analyses the lost stabilization problem of the MIC-120 metal arched ripple roof:its theory agrees with its experiment.It is shown that the breakadge of arched roof is due to its stabilization loss,instead of less strongth.
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