Estimation of Shear Strength of Structural Shear Walls

Kassem, Wael; Elsheikh, Ahmed

doi:10.1061/(asce)st.1943-541x.0000218

Cited by 30 publications

(11 citation statements)

References 6 publications

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“…Two major rational models available for estimating the shear strength of squat walls are the truss-based model [11][12][13][14] and strut-and-tie model [10]. The fundamental discrepancies between the two models lie in their perspective on the distribution of stress.…”

Section: Introductionmentioning

confidence: 99%

Shear strength of squat walls: A strut-and-tie model and closed-form design formula

Kassem

2015

Engineering Structures

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Section: Introductionmentioning

confidence: 99%

Shear strength of squat walls: A strut-and-tie model and closed-form design formula

Kassem

2015

Engineering Structures

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“…Gupta proposed the equation, θ cr =tan −1 ( h w / H w ), to predict the crack angle of shear walls, but it may lead to a larger value if the shear span ratios of RC walls are larger than 1. Kassem et al put forward the crack angle equation of RC walls by fitting test data, and the equation considered the influence of concrete strength, axial compression ratio, section size, and reinforcement on the crack angle equation. Krolicki proposed that the cracking angle is 30 o when shear span ratio is greater than or equal to two; if the shear span is less than two, the cracking angle varies linearly from 30 o to 45 o .…”

Section: Shear Strength Of Reinforced Concrete Walls Failed In Shearmentioning

confidence: 99%

Shear strength prediction of reinforced concrete walls

Cao

et al. 2019

Structural Design Tall Build

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Summary Most of existing codes ignore the effect of arch action on shear strength of reinforced concrete (RC) walls, and it leads to more conservative results. A new model considering the influence of the truss and arch on shear strength of RC walls is proposed in this paper. The shear strength provided by the truss is obtained by the modified compression field theory, and the shear strength provided by the arch is obtained by the shear deformation coordination between the truss and arch, which has an upper bound value. Experimental data of 78 RC walls failed in shear are collected to evaluate the adequacy of the proposed method by comparing with the models of Hwang and Lee, Wood, ACI 318‐11，, EC8, MCBC‐04, and JGJ 3‐2010, respectively. The results show that the average value and coefficient of variation of the experimental‐to‐calculated strength ratios obtained by the proposed model are 1.01 and 0.23, which shows better accuracy and reliability. Therefore, the proposed model can predict the shear strength of RC walls failed in shear accurately.

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“…Later, it was followed by Mau and Hsu (1986) to simplify the procedure in the preceding work for design purposes. After these two pioneer works, many research have been done to improve the softened truss model for calculating the shear strength of RC walls (Mau and Hsu 1987;Gupta and Rangan 1998;Mansour et al 2004;Kassem and Elsheikh 2010). The basis and development of this model are explained in the following paragraphs.…”

Section: Softened Truss Model and Compression Field Theorymentioning

confidence: 99%

“…Recent study by Kassem and Elsheikh (2010) aimed to address the issue of strut cracking angle (α) that had been previously dealt by Gupta and Rangan (1998). As previously mentioned, Gupta and Rangan (1998) proposed that the cracking angle could be taken as a function of geometric properties and they gave the lower as well as upper bound limits for the cracking angle values.…”

Section: Softened Truss Model and Compression Field Theorymentioning

confidence: 99%

“…unreasonably high clamping stresses in the web and incorrect predictions of failure mode. Thus, Kassem and Elsheikh (2010) proposed a new method to estimate the strut cracking angle based on regression analysis of maximum shear capacity from available experimental results of walls subjected to monotonic and cyclic loadings. Moreover, they also took into account parameters affecting wall strengths such as geometric properties, reinforcement ratios, axial load ratio, and concrete strength.…”

Section: Softened Truss Model and Compression Field Theorymentioning

confidence: 99%

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Shear behaviour of high strength concrete walls subjected to cyclic lateral loading

Chandra¹

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The author also would like to appreciate very much the research funding provided to the three Co-Principal Investigators -Prof. Tan Soon Keat (hydraulics), Prof. Susanto Teng (structures), and Prof. Chu Jian (geotechnics) by the National Research Foundation of Singapore (NRF) under the NRF-CRP funded project "Underwater Infrastructure and Underwater City of the Future". The funding enables the author to make real progress in this research work. Moreover, the author is very grateful for the corresponding NRF-CRP research scholarship provided through Nanyang Technological University. The scholarship enables the author to pursue his doctoral study without worrying about financial matters.Last but not least, the author would like to express his gratitude to his wife and family who continuously love, support, encourage, and pray for him. The author believes that their supports and prayers are priceless for enabling the author to complete his study with much less difficulty. iv

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Estimation of Shear Strength of Structural Shear Walls

Cited by 30 publications

References 6 publications

Shear strength of squat walls: A strut-and-tie model and closed-form design formula

Shear strength of squat walls: A strut-and-tie model and closed-form design formula

Shear strength prediction of reinforced concrete walls

Shear behaviour of high strength concrete walls subjected to cyclic lateral loading

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