EXPERIMENTAL STUDY ON SEISMIC PERFORMANCES OF A TWO-STOREY REINFORCED RECYCLED AGGREGATES CONCRETE FRAME UNDER LOW-CYCLE REPEATED LOAD

Hu Bo; Liu Bingkang; Wang Chenggang; Yu Chao

doi:10.13204/j.gyjz201309010

Volume 43 Issue 9

Dec. 2014

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Hu Bo, Liu Bingkang, Wang Chenggang, Yu Chao. EXPERIMENTAL STUDY ON SEISMIC PERFORMANCES OF A TWO-STOREY REINFORCED RECYCLED AGGREGATES CONCRETE FRAME UNDER LOW-CYCLE REPEATED LOAD[J]. INDUSTRIAL CONSTRUCTION, 2013, 43(9): 53-58. doi: 10.13204/j.gyjz201309010

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EXPERIMENTAL STUDY ON SEISMIC PERFORMANCES OF A TWO-STOREY REINFORCED RECYCLED AGGREGATES CONCRETE FRAME UNDER LOW-CYCLE REPEATED LOAD

doi: 10.13204/j.gyjz201309010

1.
School of Civil and Water Conservancy Engineering,Hefei University of Technology,Hefei 230009,China

Received Date: 2012-09-21
Publish Date: 2013-09-20

Abstract

Abstract

A two-story reinforced recycled aggregates concrete (ＲAC) frame was tested under low-cycle repeatedload． The failure characteristics，hysteretic behavior，skeleton curve，strength degradation，stiffness degradation andenergy dissipation capacity etc． were evaluated． Meanwhile，the change law of the strains on the reinforcement barslocated in columns and beams was also analyzed using the embedded strain gages． The experimental results show thathysteretic curves obtained from the tested ＲAC frame have plump shapes，indicating the ＲAC frame has good energydissipation capacity． No significant decrease was found in bearing capacity when the deformation reached 3. 5 timesthe yield deformation． The seismic performances of ＲAC frame are quite good and the application of ＲAC frame isfeasible for civil engineering structures．
- recycled aggregate concrete,
- frame,
- curvature of beam end,
- rebar strain,
- low reverse loading

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References(7)

References

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[3] Gholamreza Fathifazl,Razaqpur A G,Burkan Isgor O,et al.Shear Strength of Steel Reinforced Recycled Concrete Beams withStirrups [J].Magazine of Concrete Research,2010,62 (10 ):685-699.

[4] Xiao Jianzhuang,Huang Xiao,Shen Luming.Seismic Behavior ofSemi-Precastcolumn with Recycled Aggregate Concrete [J].Construction and Building Materials,2012,35: 988-1001.

[5] Valeria Corinaldesi, Viviana Letelier, Giacomo Moriconi.Behavior of Beam-Column Joints Made of Recycled-AggregateConcrete Under Cyclic Loading [J].Construction and BuildingMaterials,2011,25: 1877-1882.

[6] 孙跃东,肖建庄,周德源,等.再生混凝土框架抗震性能的试验研究[J].土木工程学报,2006,39(5):10-15.

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