Shear demand and inelastic displacement capacity of RC walls of different lengths forming a structural system

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F22%3A00359033" target="_blank" >RIV/68407700:21110/22:00359033 - isvavai.cz</a>

Result on the web

<a href="https://doi.org/10.1007/s10518-022-01494-w" target="_blank" >https://doi.org/10.1007/s10518-022-01494-w</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1007/s10518-022-01494-w" target="_blank" >10.1007/s10518-022-01494-w</a>

Result language

angličtina

Original language name

Shear demand and inelastic displacement capacity of RC walls of different lengths forming a structural system

Original language description

This article presents a study on the pushover response of four slender cantilever rectangular reinforced concrete (RC) walls of different lengths, analysed as independent elements (independent case), and forming a structural system with horizontal displacement compatibility at each storey level (system case). The aim is to investigate differences in the response of each of such walls under these two conditions, focusing on: the yielding top-displacement (Δy); the base shear demand (V0); and the ultimate top-displacement (Δu). The walls were modelled using four approaches: lumped-inelasticity macro-elements with bilinear (BLM) and trilinear (TLM) skeleton; a strut-and-tie model (SAT); and a finite element model (FEM). Additionally, the paper introduces a novel analytical formulation for predicting the pushover-curves. The numerical results showed that the response of each wall differed for the independent and system cases. These differences increased for the shorter walls and were larger for the macro-models than for SAT and FEM. In the worst case, the system-to-independent ratios of Δy, V0 and Δu, obtained with FEM were 0.55, 4.2, and 0.82, respectively. It is shown that the proposed analytical approach is able to accurately approximate the pushover-curves predicted with FEM for the system case. It is concluded that: the system effect should be considered in the seismic design of RC wall buildings; as the results obtained with the macro-models are in contradiction with FEM, their accuracy as a modelling approach is challenged; and analyses based on individual/independent walls in general, might not provide conservative estimates of their seismic response within a system.

Czech name

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Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

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OECD FORD branch

20101 - Civil engineering

Project

—

Continuities

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2022

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Bulletin of Earthquake Engineering

ISSN

1570-761X

e-ISSN

1573-1456

Volume of the periodical

20

Issue of the periodical within the volume

13

Country of publishing house

NL - THE KINGDOM OF THE NETHERLANDS

Number of pages

32

Pages from-to

7315-7346

UT code for WoS article

000841132300003

EID of the result in the Scopus database

2-s2.0-85136225988