JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE) ›› 2011, Vol. 41 ›› Issue (3): 106-111.

• Articles • Previous Articles     Next Articles

Experimental research and numerical simulation of the concrete-filled
steel tube arch rib cross-section temperature during the hydration
process of a complex binder

SUN Guofu1,2, LI Shucai2, LU Wei2, CHEN Lei3   

  1. 1. Business Administration School, Shandong University of Finance, Jinan 250014, China;
    2. Geotechnical and Structural Engineering Research Center, Shandong University, Jinan 250061, China;
    3. Hubei Provincial Transport Planning Design Institute, Wuhan 430051, China
  • Received:2011-03-28 Online:2011-06-16 Published:2011-03-28

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Abstract:

Experimental observation of  the concrete-filled steel tube(CFST) arch rib cross-section temperature was continuously  carried out during the hydration process of a complex binder. By means of the heat conductivity theory and finite method, an analytical  model was built and calculated in the CFST arch rib  several factors were  considered, including inertial conditions and the model of cement hydration thermal. The influence on the crosssection temperature field caused by different steel tube thickness and diameter during the hydration process of a complex binder was dicussed. The results of analysis and study indicate that the model of cement hydration thermal was satisfactory  using the hyperbolic formula, and that steel tube thickness has little influence when less than  2～3℃ on the temperature field of the CFST arch rib, however tube diameter has  more influence up to 20℃.

Key words:  concrete-filled steel tube arch rib, cross-section temperature field, hydration thermal, finite element

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