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Dynamic failure of dry-joint masonry arch structures modelled with the combined finite–discrete element method

journal contribution
posted on 2023-05-20, 22:13 authored by Chen, X, Wang, H, Andrew ChanAndrew Chan, Agrawal, AK
As assemblage of blocks, masonry arch structures are highly discontinuous. The combined finite–discrete element method (FDEM) where finite elements are incorporated into discrete elements is employed to investigate the dynamic failure behaviour of dry-joint masonry arch structures subjected to base motions in this paper. By using this method, both the internal deformation of blocks and the contact action between blocks could be simulated accurately. With a cohesive fracture model implemented, rupture of blocks is also considered. Oppenheim’s arch and buttresses-supported arch structures are examined. Numerical results are compared with those from analytical and other computational sources. Failure thresholds for both monolithic and multi-block buttresses–arch masonry structures are provided. Typical failure modes due to hinge instability and ring separation are identified. Relationships between triggering factors and failure modes are revealed for future research. In general, the FDEM is proven to be successful in simulating the dynamic failure of dry-joint masonry arch structures.

History

Publication title

Computational Particle Mechanics

Volume

7

Pagination

1017-1028

ISSN

2196-4378

Department/School

School of Engineering

Publisher

Springer

Place of publication

Germany

Rights statement

Copyright 2019 OWZ

Repository Status

  • Restricted

Socio-economic Objectives

Civil construction processes

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