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http://dx.doi.org/10.12989/scs.2022.42.2.265

Test study of precast SRC column under combined compression and shear loading  

Chen, Yang (Department of Civil Engineering, Shanghai University)
Zhu, Lanqi (East China Architectural Design & Research Institute)
Yang, Yong (State Key Laboratory of Green Building in Western China, Xi'an University of Architecture & Technology)
Publication Information
Steel and Composite Structures / v.42, no.2, 2022 , pp. 265-275 More about this Journal
Abstract
A new type of precast steel reinforced concrete (PSRC) column was put forward in this paper. In order to study the static performance of PSRC column and hollow precast steel reinforced concrete (HPSRC) column subjected to combined compression and shear loading, a parametric test was carried out and effects of axial compression ratio, concrete strength and shear ratio on the mechanical behavior of composite PSRC column and HPSRC column were explored. In addition, the cracks development, load-span displacement relationship, strain distribution and shear bearing strength of column specimens were emphatically focused. Test results implied that shear failure of all specimens occurred during the test, and higher strength of cast-in-place concrete, smaller shear ratio and larger axial compression ratio could lead to greater shear resistance, but when the axial compression ratio was larger than 0.36, the shear capacity began to decrease gradually. Furthermore, truss-arch model for determining the shear strength of PSRC column and HPSRC column was proposed and the calculated results obtained from proposed method were verified to be valid.
Keywords
compression and shear test; mechanical behavior; precast SRC column; shear capacity;
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Times Cited By KSCI : 13  (Citation Analysis)
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