Peak Shear Strength of Flanged Reinforced Concrete Squat Walls

Ma, Jiaxing; Ning, Chao‐Lie; Li, Bing

doi:10.1061/(asce)st.1943-541x.0002575

Cited by 16 publications

(10 citation statements)

References 14 publications

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“…Moreover, the performance factor and the average absolute error of the proposed model are statistically better than the previously proposed model. Among the previously proposed model, the least predictive ability is obtained from the model proposed by Eurocode and Ma et al [15]. The main reason for its low performance is that the Eurocodes [10] neglect the influence of flanges.…”

Section: Performance Of Gep Modelsmentioning

confidence: 99%

“…Calculation guidelines for rectangular walls are widely available in the design codes [8-10], however, provisions for flanged walls are limited [11,12]. A review of the literature reveals a significant disparity in the available shear capacity equations of the flanged squat walls [1,[13][14][15]. This discrepancy is attributed to the interaction of flanged and the web segment of these walls.…”

Section: Introductionmentioning

confidence: 99%

“…Consequently, extensive study has been conducted [5][6][7]15] and several empirical formulas are proposed to predict the shear strength of squat flanged walls. These empirical models, however, have limitations that have to be recognized to obtain good estimation.…”

Section: Introductionmentioning

confidence: 99%

“…Whereas Kassem's analytical formula [6], derived based on strut-and-tie modeling, neglects the effect of the flange element, thus resulting in inconsistency between the experimental and predicted results. The underlying limitations of the empirical models proposed by Adorno et al [7] and Ma et al [15] are that the dataset comprises less than 140 experiments, and also the aspect ratio of the shear walls in the dataset is less than 1.20. Moreover, all of these previous investigations consider limited significant parameters because of which the prediction does not represent experiment outcomes well.…”

Section: Introductionmentioning

confidence: 99%

“…Comparative results of test data and different available methods. (a) Proposed Model (b) ACI 318M-14 [8], (c) ASCE 43-05 [9], (d) EN 1998-1 [10], (e) Gulec &Whittaker[5], (f) Ma, et al[15], (g) Wood, et al[3], (h) Barda, et al[2], (i) Adorno-Bonilla[7], (j) Kaseem[6].…”

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confidence: 99%

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Gene Expression Programming for Estimating Shear Strength of RC Squat Wall

et al. 2022

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The flanged, barbell, and rectangular squat reinforced concrete (RC) walls are broadly used in low-rise commercial and highway under and overpasses. The shear strength of squat walls is the major design consideration because of their smaller aspect ratio. Most of the current design codes or available published literature provide separate sets of shear capacity equations for flanged, barbell, and rectangular walls. Also, a substantial scatter exists in the predicted shear capacity due to a large discrepancy in the test data. Thus, this study aims to develop a single gene expression programming (GEP) expression that can be used for predicting the shear strength of these three cross-sectional shapes based on a dataset of 646 experiments. A total of thirteen influencing parameters are identified to contrive this efficient empirical compared to several shear capacity equations. Owing to the larger database, the proposed model shows better performance based on the database analysis results and compared with 9 available empirical models.

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Section: Performance Of Gep Modelsmentioning

confidence: 99%