Experimental study on seismic performance of steel fiber reinforced high strength concrete composite shear walls with different steel fiber volume fractions

2018 ◽  
Vol 171 ◽  
pp. 247-259 ◽  
Author(s):  
Xilin Lu ◽  
Ying Zhang ◽  
Hongmei Zhang ◽  
Hanshu Zhang ◽  
Renjie Xiao
Keyword(s):  
Experimental Study ◽  
Seismic Performance ◽  
High Strength Concrete ◽  
Steel Fiber ◽  
Shear Walls ◽  
High Strength ◽  
Fiber Volume ◽  
Strength Concrete ◽  
Volume Fractions ◽  
Composite Shear

scholarly journals An Experimental Study on the Seismic Performance of High-Strength Composite Shear Walls

2021 ◽  
Vol 8 ◽  
Author(s):  
Min Gan ◽  
Yu Yu ◽  
Huakun Zhang
Keyword(s):  
Seismic Performance ◽  
High Strength Concrete ◽  
Steel Strip ◽  
Shear Walls ◽  
High Strength ◽  
Hysteresis Curve ◽  
Test Results ◽  
Strength Concrete ◽  
Steel Strips ◽  
Composite Shear

In order to study the seismic performance of high-strength concrete composite shear walls with embedded steel strips, four tests for high-strength concrete composite shear walls with embedded steel strips (SPRCW-1 to SPRCW-4) were constructed and tested. Based on the test results, a discussion is provided in the present study on the hysteresis curve, backbone curves, and strain of steel plate and distributed reinforcement of high-strength concrete mid-rise and high-rise composite shear walls with embedded steel strips under different steel ratios and different steel strip positions. The test results reveal that in high-strength composite shear walls with embedded steel strips, the ductility of the test specimen can be effectively improved when the ratio of the steel strip reaches a certain level. In parallel, when the embedded steel strip is placed on both sides of the walls, the steel strip can function better. The ultimate displacement is better than when the steel strip is placed in the middle of the walls, and can effectively improve the seismic performance of the walls. The scheme with embedded steel strips is more convenient and economical for construction, which is suitable for popularization and application in middle-high buildings in highly seismic regions.

scholarly journals Experimental Study of High-Strength Concrete-Steel Plate Composite Shear Walls

2019 ◽  
Vol 9 (14) ◽  
pp. 2820 ◽  
Author(s):  
Dongqi Jiang ◽  
Congzhen Xiao ◽  
Tao Chen ◽  
Yuye Zhang
Keyword(s):  
Experimental Study ◽  
Reinforced Concrete ◽  
High Strength Concrete ◽  
Steel Plate ◽  
Shear Walls ◽  
High Strength ◽  
Lateral Load ◽  
Test Results ◽  
Strength Concrete ◽  
Composite Shear

Shear walls are effective lateral load resisting elements in high-rise buildings. This paper presents an experimental study of the seismic performance of a composite shear wall system that consists of high-strength concrete walls with the embedded steel plate. Two sets of wall specimens with different aspect ratios (height/width, 1.5 and 2.7) were constructed and tested under quasi-static reversed cyclic loading, including five reinforced concrete shear walls (RCSW) and six reinforced concrete-steel plate shear walls (RCSPSW). The progression of damage, failure modes, and load-displacement responses of test specimens were studied and compared based on experimental observations. The test results indicated that high-strength (HS) RCSPSW system showed superior lateral load strength and acceptable deformation capability. The axial compressive load was found to have an indispensable effect on the ductility of both RCSW and RCSPSW, and an upper limit of axial compression ratio (0.5) is recommended for the application of HS RCSPSW in engineering practices. In addition, the design strength models were suggested for predicting the shear and flexure peak strength values of RCSPSW systems, and their applicability and reliability were verified by comparing with test results.

scholarly journals Steel Plate Cold-Rolled Section Steel Embedded High-Strength Concrete Low-Rise Shear Wall Seismic Performance

2018 ◽  
Vol 2018 ◽  
pp. 1-18
Author(s):  
Min Gan ◽  
Yu Yu ◽  
Liren Li ◽  
Xisheng Lu
Keyword(s):  
Bearing Capacity ◽  
Failure Mode ◽  
Seismic Performance ◽  
High Strength Concrete ◽  
Steel Plate ◽  
Shear Walls ◽  
High Strength ◽  
Shear Wall ◽  
Steel Plates ◽  
Strength Concrete

Four test pieces with different steel plate center-to-center distances and reinforcement ratios are subjected to low-cycle repeat quasistatic loading to optimize properties as failure mode, hysteretic curve, skeleton curve, energy dissipation parameters, strength parameters, and seismic performance of high-strength concrete low-rise shear walls. The embedded steel plates are shown to effectively restrict wall crack propagation, enhance the overall steel ratio, and improve the failure mode of the wall while reducing the degree of brittle failure. Under the same conditions, increasing the spacing between the steel plates in the steel plate concrete shear wall can effectively preserve the horizontal bearing capacity of the shear wall under an ultimate load. The embedded steel plates perform better than concealed bracing in delaying stiffness degeneration in the low-rise shear walls, thus safeguarding their long-term bearing capacity. The results presented here may provide a workable basis for shear wall design optimization.

J Integral of Steel Fiber Reinforced High Strength Concrete

2012 ◽  
Vol 476-478 ◽  
pp. 1568-1571
Author(s):  
Ting Yi Zhang ◽  
Guang He Zheng ◽  
Ping Wang ◽  
Kai Zhang ◽  
Huai Sen Cai
Keyword(s):  
High Strength Concrete ◽  
Fiber Volume Fraction ◽  
Steel Fiber ◽  
Volume Fraction ◽  
High Strength ◽  
Bending Test ◽  
Fiber Reinforced ◽  
Fiber Volume ◽  
Three Point Bending ◽  
Strength Concrete

Through the three-point bending test on the specimens of steel fiber reinforced high strength concrete (SFHSC), the effects of influencing factors including water-cement ratio (W/C) and the fiber volume fraction (ρf) upon the critical value(JC) of J integral were studied. The results show that the variation tendencies of JC are different under different factors. JC meets the linear statistical relation with W/C, ρf, respectively.

An experimental study of steel fiber-reinforced high-strength concrete slender columns under cyclic loading

2013 ◽  
Vol 57 ◽  
pp. 565-577 ◽  
Author(s):  
Karen E. Caballero-Morrison ◽  
J.L. Bonet ◽  
Juan Navarro-Gregori ◽  
Pedro Serna-Ros
Keyword(s):  
Experimental Study ◽  
Cyclic Loading ◽  
High Strength Concrete ◽  
Steel Fiber ◽  
High Strength ◽  
Fiber Reinforced ◽  
Strength Concrete ◽  
Slender Columns

The Study on the Effects of Different Forms of Steel on Seismic Performance of Steel Reinforced High-Strength Concrete L-Shape Short Pier Shear Wall

2012 ◽  
Vol 594-597 ◽  
pp. 1816-1821
Author(s):  
Yi Sheng Su ◽  
Jin Yun Quan ◽  
Wen Zhang ◽  
Yi Bin Yang
Keyword(s):  
Seismic Performance ◽  
High Strength Concrete ◽  
Shear Walls ◽  
High Strength ◽  
Shear Wall ◽  
Seismic Capacity ◽  
Strength Concrete ◽  
Type Steel ◽  
Result Show ◽  
Shaped Section

In order to discuss how the different forms of steel impact on seismic behavior of steel reinforced high-strength concrete(SRHC) L-shape short-pier shear wall, four different steel forms SRHC L-shaped section short-pier shear wall members with low reversed cyclic loading were simulated by ABAQUS. The four steel forms were steel bar, solid-web steel, truss-type steel and hole-type steel. The result show that: different steel forms can significantly impact on the seismic performance of SRHC L-shaped section short-pier shear walls and the seismic capacity range from high to low as follow: with solid-web steel, with hole-type steel, with truss-type steel and reinforced.

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