Mechanical response of solid clay brickwork under eccentric loading. Part I: Unreinforced masonry

Title: Mechanical response of solid clay brickwork under eccentric loading. Part I: Unreinforced masonry
Author(s): A. Brencich, L. Gambarotta
Paper category : journal
Serial title: Materials and Structures
Abreviated Serial title: Mater. Struct.
ISSN: 1359-5997
Publisher: RILEM Publications SARL
Volume: 38
Issue: 276
Issue date: 2005-03-01
Publication year: 2005
Pages: 257 - 266
Total Pages: 10
Nb references: 37
Language: English

Abstract: Over the past decades a considerable research effort has been attributed to the modelling of chloride ingress into reinforced concrete in order to control its durability.
Traditional models are based on the error-function.
In the present paper computational results of an advanced model are presented, which takes environmental temperature and humidity fluctuations, chloride adsorption, diffusion and convection, as well as carbonation effects into account.
These qualifications make the model particularly suitable for simulating drying-wetting cycles, an example of which is included.
The good performance of the moisture submodel is demonstrated in an example concerning drying cement paste.
An other example deals with a simple submersion case.
The examples are based on laboratory and real-life experiments with documented concrete or paste compositions and environmental conditions, as well as the eventual measured chloride profiles.
In general, the computational results are in good agreement with the measurements.
The paper concludes with a comparison between simulation results of the present model and the error-function model for the case of cyclic drying-wetting exposure.
It appeared that the implicit negligence of the moisture fluctuations by the error-function model, forced that model to deploy strongly deviating material characteristics to reach agreement with the measured chloride profile.

Online publication: 2005-01-21
Classification: Scientific Reports
Publication type : full_text
Public price (Euros): 0.00
doi: 10.1617/14134