Aseismic performance and anti-shear capacity of a new prefabricated&nbsp;monolithic fibre-reinforced recycled concrete shear wall

PDF(3332 KB)

Journal of Vibration and Shock ›› 2021, Vol. 40 ›› Issue (19) : 98-106.

Aseismic performance and anti-shear capacity of a new prefabricated monolithic fibre-reinforced recycled concrete shear wall

HUANG Wei1,2,3, SUN Yujiao1,2,3, SHENG Yawen4, LI Bin5, HUANG Hui1,2,3

Author information +

History +

Abstract

New prefabricated monolithic fiber-reinforced recycled concrete (NPFRC) shear wall is composed of prefabricated green fiber reinforced concrete wall panels and cast-in-place edge members to adopt well-shaped reinforcement arrangement, vertical horse toothed joint and horizontal mortar setting connection, and have characteristics of ecological energy saving, energy consumption and shock absorption, rapid construction and so on. Here, to study aseismic performance of NPFRC shear walls, four specimens were made. Through quasi-static tests, effects of fiber types and wall processing methods on failure mode, hysteretic curve, deformation performance, stiffness degradation and energy dissipation capacity of specimens were analyzed. The test results showed that fiber types have a larger influence on aseismic performance of NPFRC shear wall; connections between wall panels and foundation are decisive to keep load-bearing capacity of NPFRC shear wall; strengthening horizontal seam connection is the key to study NPFRC shear wall. Based on the softened strut-and-tie model, considering fiber action to strengthen anti-shear strength of NPFRC shear wall, the shear-bearing capacity formula of NPFRC shea wall was proposed, and theoretical values were compared with test results. The contrastive analysis results showed that theoretical value is about 3%-9% lower than test one, so the former is conservative and has a good accuracy.

Key words

shear wall / fiber / recycled concrete / aseismic performance / softened strut-and-tie model

Cite this article

EndNote

Ris (Procite)

Bibtex

Download Citations

HUANG Wei, SUN Yujiao, SHENG Yawen，LI Bin, HUANG Hui. Aseismic performance and anti-shear capacity of a new prefabricated monolithic fibre-reinforced recycled concrete shear wall[J]. Journal of Vibration and Shock, 2021, 40(19): 98-106

References

［1］NEPOMUCENO M C S, ISIDORO R A S, CATARINO J P G. Mechanical performance evaluation of concrete made with recycled ceramic coarse aggregates from industrial brick waste［J］. Construction and Building Materials, 2018, 165: 284-294.
［2］黄炜, 陈国新, 姚谦峰. 密肋复合墙体在拟动力试验下的抗震性能研究［J］. 振动与冲击, 2007, 26(3): 49-54.
HANG Wei, CHEN Guoxin, YAO Qianfeng. Study on seismic behavior of multi-ribbed composite wall under quasi-dynamic test［J］. Journal of Vibration and Shock, 2007, 26(3): 49-54.
［3］HUANG W, MIAO X W, HU G X, et al. Experimental and shear bearing capacity studies of the assembled composite wall with bolted connections［J］. Structural Design of Tall and Special Buildings, 2020, 29(6): e1722.
［4］QIAO Q Y, CAO W L, QIAN Z W, et al. Cyclic behavior of low rise concrete shear walls containing recycled coarse and fine aggregates［J］. Materials, 2017, 10(12): 1400.
［5］周静海, 康天蓓, 王凤池, 等. 废弃纤维再生混凝土框架中柱节点抗震性能试验研究［J］. 振动与冲击, 2017, 36(2): 235-242.
ZHOU Jinghai, KANG Tianbei, WANG Fengchi, et al. Experimental study on the seismic behaviors of wasted fiber recycled concrete frame joints［J］. Journal of Vibration and Shock, 2017, 36(2): 235-242.
［6］LI B, HUANG W, LI C N, et al. Study on damage constitutive model of steel fiber recycled brick aggregate concrete［J］. Journal of Huazhong University of Science and Technology (Nature Science Edition), 2017, 45(1): 17-23.
［7］CHABOKI H R, GHALEHNOVI M, KARIMIPOUR A, et al. Shear behaviour of concrete beams with recycled aggregate and steel fibres［J］. Construction and Building Materials, 2019, 204: 809-827.
［8］GAO D Y, JING J H, CHEN G, et al. Experimental investigation on flexural behavior of hybrid fibers reinforced recycled brick aggregates concrete［J］. Construction and Building Materials, 2019, 227: 116652.
［9］李斌, 黄炜. 装配整体式网格剪力墙压弯承载力计算方法［J］. 工程力学, 2020, 37(5): 178-189.

LI Bin, HUANG Wei. The compression-bending capacity calculation of monolithic precast grid shear wall［J］. Engineering Mechanics, 2020, 37(5): 178-189.
［10］刘俊雄, 张品乐, 杨文豪. L形高强钢筋高强混凝土短肢剪力墙抗震性能试验研究［J］. 地震工程与工程振动, 2020, 40(1): 185-195.
LIU Junxiong, ZHANG Pinle, YANG Wenhao. Experimental study on seismic behavior of L-shaped short-leg shear wall with high strength reinforcement and high strength concrete［J］. Earthquake Engineering and Engineering Dynamics, 2020, 40(1): 185-195.
［11］HWANG S J, LEE H J. Strength prediction for discontinuity regions by softened strut-and-tie model［J］. Journal of Structural Engineering, 2002, 128(12): 1519-1526.
［12］KASSEM W. Shear strength of squat walls: a strut-and-tie model and closed-form design formula［J］. Engineering Structures, 2015, 84: 430-438.
［13］GAO D Y, YOU P B, TANG J Y, et al. Calculation method for shear capacity of steel fiber reinforced concrete shear wall with concrete filled steel tubular columns［J］. Journal of Building Structures, 2018, 39(6): 10-20.
［14］安玉杰, 赵国藩, 黄承逵. 配筋钢纤维混凝土构件承载力计算方法的研究［J］. 土木工程学报, 1993(1): 38-46.
AN Yujie, ZHAO Guofan, HUANG Chengkui. Study on the bearing capacity calculation of reinforced steel fiber concrete members［J］. China Civil Engineering Journal, 1993(1): 38-46.
［15］ZHU H T, GAO D Y, TANG J Y. Strength indexes of steel fiber reinforced high strength concrete and their interrelations［J］. Journal of Building Materials, 2009, 12(3): 323-327.
［16］徐浩然. 钢-聚丙烯混杂纤维混凝土柱抗震性能研究［D］. 武汉: 武汉大学, 2013.

［17］HUANG W, ZHANG M, JIANG Y T, et al. Experimental study on seismic behavior of precast concrete walls［J］. Journal of Building Structures, 2015, 36(10): 88-95.
［18］王玉奉. 不同竖向钢筋连接的新型装配式剪力墙抗震性能与接缝承载力研究［D］.西安:西安建筑科技大学, 2019.