| THE FULL LOADING HISTORY ANALYSTS OF PRESTRESSED CONCRETE GRIDS WITH UNBONDED TENDONS |
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| 作者姓名： | Wang Zhenglin Chen Benxian |
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| 作者单位： | Wang Zhenglin Chen Benxian |
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| 摘 要： | This paper presents a matrix structural analysis of variable stiffness on the complete loading history of prestressed concrete grids with unbonded tendons. A model of torsional rigidity affected by moment is derived by the analogy of space truss, and the effect of torque on flexural rigidity is also studied. In order to calculate the increment of stresses in tendons, a corresponding equation is created. Comparison of calculation shows well agreement with the experimental results.
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| 关 键 词： | prestressed concrete grid nonlinear analysis |
THE FULL LOADING HISTORY ANALYSTS OF PRESTRESSED CONCRETE GRIDS WITH UNBONDED TENDONS |
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| Wang Zhenglin Chen Benxian.THE FULL LOADING HISTORY ANALYSTS OF PRESTRESSED CONCRETE GRIDS WITH UNBONDED TENDONS[J].Storage & Process,1988(2). |
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| Authors: | Wang Zhenglin Chen Benxian |
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| Institution: | Wang Zhenglin Chen Benxian |
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| Abstract: | This paper presents a matrix structural analysis of variable stiffness on the complete loading history of prestressed concrete grids with unbonded tendons. A model of torsional rigidity affected by moment is derived by the analogy of space truss, and the effect of torque on flexural rigidity is also studied. In order to calculate the increment of stresses in tendons, a corresponding equation is created. Comparison of calculation shows well agreement with the experimental results. |
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| Keywords: | prestressed concrete grid nonlinear analysis |
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