Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/105799
Title: A micromechanical model for concrete under static loading
Authors: Liu, Yu
Teng, Susanto
Li, Qingliu
Keywords: DRNTU::Engineering::Civil engineering::Construction management
Issue Date: 2014
Source: Teng, S., Li, Q., & Liu, Y. (2014). A micromechanical model for concrete under static loading. Magazine of concrete research, 66(18), 913-924.
Series/Report no.: Magazine of concrete research
Abstract: A micromechanical model is developed to describe the stress–strain behaviours of concrete under uniaxial compression. Two kinds of defects are considered, namely microcracks around the mortar–coarse aggregate interface or the interfacial transition zone and aligned coalesced cracks in the concrete. The mortar–coarse aggregate interfaces (interfacial transition zone) are modelled as spring layers between the mortar matrix and the inclusions (aggregates) and the existences of the microcracks in the interfacial transition zone are considered as reductions of the spring parameters under the frame of the Mori–Tanaka method. The aligned coalesced cracks in concrete (mortar + aggregate) are treated as void inclusions in the matrix of concrete using the Mori–Tanaka scheme as well. Stochastic evolution rules are adopted for both defects. The numerical examples are worked out and the proposed model is shown to be capable of estimating the moduli of concrete under its whole loading process.
URI: https://hdl.handle.net/10356/105799
http://hdl.handle.net/10220/20903
DOI: 10.1680/macr.14.00024
Rights: © 2014 Thomas Telford(owned by Institution of Civil Engineers). This paper was published in Magazine of Concrete Research and is made available as an electronic reprint (preprint) with permission of Thomas Telford. The paper can be found at the following official DOI: [http://dx.doi.org/10.1680/macr.14.00024]. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:CEE Journal Articles

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