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JIAN Bin, BAI Shao-liang, WANG Zheng-lin. THEORY OF POST-TENSIONED PRESTRESSED CONCRETE BEAMS WITH BOND[J]. Engineering Mechanics, 2000, 17(5): 92-99.
Citation: JIAN Bin, BAI Shao-liang, WANG Zheng-lin. THEORY OF POST-TENSIONED PRESTRESSED CONCRETE BEAMS WITH BOND[J]. Engineering Mechanics, 2000, 17(5): 92-99.
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THEORY OF POST-TENSIONED PRESTRESSED CONCRETE BEAMS WITH BOND

  • Chongqing Jianzhu University, Chongqing 400045

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  • Received Date: April 03, 1999
  • Revised Date: July 11, 1999
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  • In this paper, energy method is used to study the change of the secondary moment of prestressed concrete continuous beams during loading. In the same time, comparison is made with the non-prestressed concrete continuous beams. The question whether the secondary moment is changing while loading is answered. It shows that the secondary moment is unaltered when increment method is adopted to study the beams. With further increase of load, the effect of the secondary moment begins to emerge. It is reflected in the change of the stiffness of the beam sections.
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