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| Calculation for equivalent loads of prestress in hexahedron element |
| Revised:November 13, 2003 |
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| DOI：10.7511/jslx20056152 |
| KeyWord:prestress,equivalent loads,hexahedron element |
| WANG Lei~ |
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| Abstract: |
| For the bridge of complex geometry shape,body element analysis has excellent advantage in the FE analysis.Prestress is converted normally into equivalent loads in the finite element analysis,but calculation of equivalent loads of prestress in body element is very few to be discussed.The authors put forward a kind of numerical method combined with the Newton iterative algorithm and Gauss integral algorithm,this method can meet be used to calculate the equivalent loads of prestress in the various complex steel in bundle shapes.Through the final regular inspection,this method has been proved to have very high precision. |
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