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A platform for research: civil engineering, architecture and urbanism
Seismic Performance of Precast Recycled Concrete Frame Structure
Shake-table tests on a six-story precast recycled aggregate concrete (RAC) space frame structure were investigated. The 1/4-scale precast RAC frame structure was constructed with precast beams, precast columns, and cast-in-place (CIP) slabs, which is different from the previous CIP RAC frames researched. Based on the structural dynamic responses, the failure pattern and mechanism, deformation, and energy dissipation capacity were analyzed and evaluated. Furthermore, the seismic damage assessment of the entire precast structure was completed. The evaluation on the interstory and residual drifts, displacement ductility, and energy dissipation indicate that the frame had comparable deformation ability to that of a natural aggregate concrete (NAC) precast frame and was able to dissipate the input energy during earthquakes. The RAC frame model did not collapse at the maximum considered earthquake level, suggesting that the precast RAC frame structure had enough collapse-resistant capacity during earthquake attacks, which is also proved by the seismic damage assessment.
Seismic Performance of Precast Recycled Concrete Frame Structure
Shake-table tests on a six-story precast recycled aggregate concrete (RAC) space frame structure were investigated. The 1/4-scale precast RAC frame structure was constructed with precast beams, precast columns, and cast-in-place (CIP) slabs, which is different from the previous CIP RAC frames researched. Based on the structural dynamic responses, the failure pattern and mechanism, deformation, and energy dissipation capacity were analyzed and evaluated. Furthermore, the seismic damage assessment of the entire precast structure was completed. The evaluation on the interstory and residual drifts, displacement ductility, and energy dissipation indicate that the frame had comparable deformation ability to that of a natural aggregate concrete (NAC) precast frame and was able to dissipate the input energy during earthquakes. The RAC frame model did not collapse at the maximum considered earthquake level, suggesting that the precast RAC frame structure had enough collapse-resistant capacity during earthquake attacks, which is also proved by the seismic damage assessment.
Seismic Performance of Precast Recycled Concrete Frame Structure
Jianzhuang Xiao (author) / Tao Ding / Thi Loan Pham
ACI structural journal ; 112
2015
Article (Journal)
English
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