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Computers and Concrete
  Volume 18, Number 5, November 2016, pages 1041-1051

Early age behavior analysis for reinforced concrete bridge pier
Xianfeng Wang, Dawang Li, Ningxu Han and Feng Xing

    In this study, the construction of a reinforced concrete bridge pier was analyzed from durability point of view. The goal of the study is to analyze the crack iniation condition due to construction and present some recommendations for construction conditions of the reinforced concrete bridge pier. The bridge is located at the western port area of Shenzhen, where the climate is high temperature and humidity. To control the cracking of concrete, a construction simulation was carried out for a heat transfer problem as well as a thermal stress problem. A shrinkage model for heat produced due to cement hydration and a Burger constitutive model to simulate the creep effect are used. The modelling based on Femmasse© is verified by comparing with the testing results of a real underground abutment. For the bridge pier, the temperature and stress distribution, as well as their evolution with time are shown. To simulate the construction condition, four initial concrete temperatures (5
Key Words
    construction analysis; bridge pier; heat of hydration; initial concrete temperature; stripping formwork time
Xianfeng Wang, Dawang Li, Ningxu Han and Feng Xing: College of Civil Engineering, Shenzhen University, Shenzhen 518060, P.R. China

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