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Showing results for tags 'csibridge'.
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I am trying modelling a simply supported plate model in with 10×10 mesh with density 25 Knm2 and E2510^6 and comparing it with results of other finite element applications and also with numerical matrix analysis by hand calculations. Both fem app and hand calculations results match but those of csi bridge and staad pro doesn't though they matched with each other. I was sure of correct modelling and also checked for equilibrium each time, I tried models of other dimensions l b and h as well. Each time fem results and hand calculations matched perfectly. For example I tried modeling 35×50 m plate with 2m depth. Hand and fem calculation results were 30 and 33 mm at centre resp. But csi bridge and staad pro for same parameters gives 230mm. For other models also the result are far too variable like this case only. Please I need urgent support. Any reference would be appreciated. Also how come two fem applications give these absurd results for exact same parameters?
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Can anyone help me with Multi Step Bridge Live Load Pattern Generation? I am having trouble in understanding how different parameters are set namely Start Distance, Start Time, Speed etc. The problem is how do I identify the critical case such as how many vehicle will cross the bridge at the same time?
- 5 replies
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- bridge design live load
- csibridge
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