In-plane and out-of-plane one-way vertical bending behavior interaction analysis of unreinforced masonry walls with newly developed load capacity interaction curve

Zeng, Bowen; Li, Yong

doi:10.1016/j.engstruct.2024.117729

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Cited by 3 publications

References 33 publications

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An improved method for statistics estimation of out-of-plane load resistance of masonry walls using design-code models and mechanics-based finite element models

Zeng,

2024

Engineering Structures

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An improved method for statistics estimation of out-of-plane load resistance of masonry walls using design-code models and mechanics-based finite element models

Zeng,

2024

Engineering Structures

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Enhanced Prediction and Uncertainty Analysis for In-Plane and Out-of-Plane Resistance of Unreinforced Masonry Walls: A Multifidelity Approach

Zeng,

Cruz-Noguez,

2024

ASCE-ASME J. Risk Uncertainty Eng. Syst., Part A: Civ. Eng.

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Partial safety factors determination to model uncertainty on Persian historic masonry elements

Ghamari,

Karimi

2025

Preprint

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This research explores the determination of partial safety factors for Persian historical masonry walls, following Eurocode-6 principles, which account for material and geometric uncertainties. The study explores the impact of lateral constraints or boundary conditions (B.C.), Height-Length Proportion (α), the thickness of wall (t), and pre-compression levels as a gravity loading (P) on the structural behavior of these walls when subjected to uncertain conditions. Nonlinear pushover analyses were carried out on 200 masonry wall specimens, considering four α, ten variations in B.C. (including the impact of vertical (lateral walls) and horizontal (upper slabs) components), and three standard t (0.20, 0.35, and 0.50 m), all subjected to three different P (0.05, 0.1, and 0.2 MPa). The research also evaluates how variations in the modulus of elasticity and t affect the results under nonlinear analysis. Findings show that the Maximum Shear Capacity (Fu), maximum drift limit (δu/H), and effective stiffness (𝐾𝑒ff) are highly responsive to these variables. Higher Fu and 𝐾𝑒ff were observed with increased t, P, and B.C., while reducing α had the opposite effect. As B.C., t, and P increased, δu/H showed a reduction, while a decrease in α led to an increase. The estimated Fu ranged 114.8–1476.5 kN, δu/H varied 1.56–3.43, and 𝐾eff spanned 7.72–250.80 kN/mm. The proposed partial safety factors are 1.17–1.96 for material strength (γM), 1.16–1.77 for displacement capacity (γdu), and 1.15–1.96 for effective stiffness (γk). The results emphasize that increasing B.C., t, and reducing α result in higher γM and γk values, while γdu values decrease. Additionally, all safety factors rise with increased P. These findings offer important insights for enhancing the preservation of Persian historical masonry structures.

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In-plane and out-of-plane one-way vertical bending behavior interaction analysis of unreinforced masonry walls with newly developed load capacity interaction curve

Cited by 3 publications

References 33 publications

An improved method for statistics estimation of out-of-plane load resistance of masonry walls using design-code models and mechanics-based finite element models

An improved method for statistics estimation of out-of-plane load resistance of masonry walls using design-code models and mechanics-based finite element models

Enhanced Prediction and Uncertainty Analysis for In-Plane and Out-of-Plane Resistance of Unreinforced Masonry Walls: A Multifidelity Approach

Partial safety factors determination to model uncertainty on Persian historic masonry elements

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