Structural design calculation method and design criteria of BCCP
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    Abstract:

    To design and calculate the barwrapped cylinder concrete pressure pipe (BCCP), the calculation method of external load and section internal forces of BCCP is proposed by referring to the specifications of PCCP in this study. With the consideration of the contribution of the protective cover to the stiffness of whole pipe section, the formulas for calculating the stress and strain of pipe core, cylinder, steel bar and protective cover in BCCP are put forward by using the assumption of the linear distribution of stress and strain on the crosssectional surface under different load combination. The work, elasticity and strength limit state design criteria are followed in the design, and the specific criterion conditions of each limit state are given. An embedded BCCP with an inner diameter of 2000mm is selected for examination. The results show that the judgment indexes of the pipe are smaller than the corresponding design criteria and the structure is safe.

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孙岳阳,胡少伟,明攀,等. BCCP结构设计计算方法与设计准则[J].河海大学学报(自然科学版),2021,49(5):460-465.(SUN Yueyang, HU Shaowei, MING Pan, et al. Structural design calculation method and design criteria of BCCP[J]. Journal of Hohai University (Natural Sciences),2021,49(5):460-465.(in Chinese))

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  • Received:
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  • Online: September 25,2021
  • Published: September 25,2021
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