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Simplified Approach for In-Plane Strength Capacity of URM Walls by Using Lower-Bound Limit Analysis and Predefined Damage Patterns
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Date
2022-06-01
Author
Karadeniz, Derya
Yılmaz, Mustafa Tolga
Icel, Cemal
Erberik, Murat Altuğ
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Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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In this study, a two-phase simplified approach is proposed to predict the in-plane strength capacity of unreinforced masonry (URM) walls. In the first phase, in-plane damage and failure patterns of URM walls are determined from available observational (field) data, experimental data and also from numerical analysis data. Then, a set of rules are proposed to estimate damage and failure patterns of URM wall panels. In the second phase, this valuable information is employed to develop a simplified numerical model with a coarse mesh for the masonry wall, which is consistent with the crack formation at the ultimate state. Then, lower-bound limit analysis approach is used to predict the failure load of the wall without any detailed micro-element analysis. At the final stage, the proposed approach is verified by comparing the numerical results with experimental data from URM wall tests. By the assistance of this approach, it becomes possible to estimate the lateral capacities of ordinary, non-engineered URM walls and buildings from damage patterns at failure state. As an ultimate goal, this structural information can be used for seismic risk assessment of regions where the building typology considered in this study governs the building stock.
Subject Keywords
URM wall
,
in-plane strength
,
lower-bound limit analysis
,
masonry damage
,
crack propagation
,
macro panel
,
UNREINFORCED MASONRY WALLS
,
BUILDINGS
,
BEHAVIOR
,
MODEL
,
PERFORMANCE
,
EARTHQUAKE
URI
https://hdl.handle.net/11511/101055
Journal
BUILDINGS
DOI
https://doi.org/10.3390/buildings12060777
Collections
Department of Civil Engineering, Article
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BibTeX
D. Karadeniz, M. T. Yılmaz, C. Icel, and M. A. Erberik, “Simplified Approach for In-Plane Strength Capacity of URM Walls by Using Lower-Bound Limit Analysis and Predefined Damage Patterns,”
BUILDINGS
, vol. 12, no. 6, pp. 0–0, 2022, Accessed: 00, 2022. [Online]. Available: https://hdl.handle.net/11511/101055.