Micro vs. macro models for predicting building damage underground movements

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Title: Micro vs. macro models for predicting building damage underground movements
Authors: Truong-Hong, LinhLaefer, Debra F.
Permanent link: http://hdl.handle.net/10197/2482
Date: Nov-2008
Online since: 2010-09-30T14:12:16Z
Abstract: For over 30 years various micro and macro models have been used for analysing masonry, but no strong consensus within the structural engineering community exists as to usage. Selection remains driven by field scenarios, cost restrictions, and level of result detail needed. This paper contributes to this discussion by comparing micro and macro models of buildings subjected to excavation-induced ground movements. A smeared crack model is used to represent cracking in bricks and mortar joints, and the brick structure is modelled as an isotropic continuum. In the macro model, a homogeneous procedure employed is an alternative approach for determining mechanical properties of a basic cell. Results are compared to large-scale modelling work. Respective advantages and disadvantages are shown.
Funding Details: Science Foundation Ireland
metadata.dc.description.othersponsorship: National Science Foundation
Type of material: Conference Publication
Keywords: Micro modelingMacro modelingHomogenization techniqueSmeared crack modelLarge-scale model testBuilding damage
Subject LCSH: Earth movements and building
Subsidences (Earth movements)--Forecasting
Language: en
Status of Item: Peer reviewed
Conference Details: Paper presented at CSM-2008 the International Conference on Computational Solid Mechanics, November 27-30, 2008, Ho Chi Minh City, Vietnam
Appears in Collections:Urban Institute Ireland Research Collection
Critical Infrastructure Group Research Collection
Civil Engineering Research Collection

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