Conservative code masonrtyt-Structural Engineering Design and Appraisal, Study notes of Structural Design and Architecture

The document, titled "In-plane Strength of Masonry Wall Panels," compares the design codes and high-fidelity models for assessing the in-plane strength of masonry walls, focusing on seismic resistance. It examines failure mechanisms such as rocking, toe-crushing, and diagonal shear cracking, and evaluates the accuracy of analytical formulations from ASCE 41-13 and the Italian code against finite element models. The study includes a parametric analysis of wall aspect ratios, pre-compression levels, and boundary conditions, validated through experimental tests. The findings highlight discrepancies between code predictions and high-fidelity models, emphasizing the need for more accurate design approaches. The document is technical, aimed at structural engineering students and professionals, and provides insights into masonry wall behavior under seismic loads.

Typology: Study notes

2024/2025

Available from 03/13/2025

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3/13/25, 4:13 PM about:blank Conservative code masonrtyt Seuctrot72025)1869-1899 ‘Contents sts available at ScienceDirect Structures journal homepage: wwclsviezconvlocaestrucares In-plane strength of masonry wall panels: A comparison between design codes and high-fidelity models Hisham Tariq *, Mohammad Amir Najafgholipour —°, Vasil Papin of hi ageing nda nit of Tso, Kang, aa Sathosis ‘, Gabriele Milani “ of Coad Envios Engin, Siar Univenty 0 Tesh, Shi, Ina “Sc! of Ci geet, Une ofa 297 Lah Ok Deprmen ul nvtonment snd Cnsratio Engncring (ADC) occ Minn Paz Leon eV 2, 20135 Me, ay Kewonte “Trenscepbile of masonry eras soja ein plane ols ermine bye leeches Muon might occur, whic ar govermed byte material und geomet properties of te mason. In pac, mas0my phe eo alls ar uly analy ang design codes, which ae derived om anal (code tated) methods, How: ie Co ions ‘er, design codes maybe overt simplisicndcoservay , neces 72 weluion aa seat er snsto comple nd reiew varios xing design cos for determining the i-plnesrengih of sony alls and ase thei ality when predicting masonry wall panel in plane sng wth iffeent geometry Dit wpe {nd mtr ropes, For his pupese, Mowe Cat simulatons Were wsedto vary th ametiund mati ropes of wall and ndersand how thse as in-plane srength and fire made. An extensive ‘unarilinvesigaon employing thee dmensionsl Zecca (FE) ayes wa alo udeaken to beet dering te nen of al eight length rata aspect of masonry eis ote Ingle foreseaaciy of hemnony walls Fst aeelic quite wailed validate te numeri ‘model The esl fom he numeral analysis were good zecnent wt the expernentl ndings in terms ‘of loads it curve and damage pater, Following ft the numerical model wes used to implement = ramet vegan. According tthe nding, plane wrngth decreases athe aspect rat ofthe wall Jnceases, Precompresson also inenes the in-plane seth ofthe masary wall and he riteness ofthe ‘lu nplane seg of he shar contol walls was higher tas hat of eae conte wal Fare ofall wie ‘udedand of are as observed. Alb, Aheaspect too ‘stinated eng and hire mode ofthe walls using the code formulations with tows obtnned fo th ‘marist inate tha in ome ase (paisa the squat walls ad her cotles wl the codes it ot predic the behaviour fhe wal pans sacri. Tit maybe atu to he mle governing ‘modes of tail sel ess, whi th cade frmulations ely conser parla ule mode. The ndings Posted ae hgh th od for wpe design code. 1, ntodetion Masonry is one of he oldest and most common consrutionmatecal ‘thanks to its long history and its ease of availability and wse. I is a ‘composite and ths heterogeneous ad aistropic material. Masonry is ‘very good in compression. However, the capacity of masonry to with- stand tensile and shear stress slow. Masonry walls and piers represent the basic structure components in masonry structures. During an carthquske, masonry walls and pers are subjected to in-plane ltral * Coneponding auth. malades: pile milnipotit(G, Milani. nips ong 10.1016 sr, 200211. 125 toads and thas shear and flexural mechanisms may develop inthem. So, understanding the parameters which drive in-plane shear and flexural development in masonry walls and pies i important for their seismic resistance verification of buildings in earthquake prone ares, The in ‘plane failure mechanisms in walls ae generally classified a follows: + Rocking: This future mechanisms mostly dctileand often observed Re 1 ey 20 Ree vil em 2 Oe 20; Ae Never 2022 ‘Avlblonine {2 SeomaimsunoneaconlEngien, bboy Aghwee 1/31