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Finite element analysis on the seismic behavior of side joint of Prefabricated Cage System in prefabricated concrete frame |
Yunlin LIU, Shitao ZHU() |
School of Civil Engineering, Anhui Jianzhu University, Hefei 230601, China |
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Abstract The Prefabricated Cage System (PCS) has the advantages of high bearing capacity and good ductility. Meanwhile, it is convenient for factory production and it is beneficial to the cost savings, construction period shortening. Side joint is the weak region of PCS concrete frame and has great influence on seismic behavior of the whole structure. Thus systematically study on the seismic behavior of PCS concrete side joint is necessary. This paper presents a finite element study on behavior of the side joint under seismic loading. In the finite element model, PCS concrete and the reinforced concrete (RC) is modeled by the solid element and fiber-beam element, respectively. The numerical results is compared with the experimental results and it is found that the results of model based on fiber-beam element is in better agreement with the experimental results than solid element model. In addition, the overall seismic behavior of the side joints in PCS concrete is better than that of the RC with the same strength.
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Keywords
PCS concrete side joint
numerical simulation
fiber-beam element joint model
solid element joint model
seismic behavior
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Corresponding Author(s):
Shitao ZHU
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Just Accepted Date: 29 April 2019
Online First Date: 06 June 2019
Issue Date: 11 September 2019
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