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http://dx.doi.org/10.5389/KSAE.2008.50.5.029

Stress-Strain Relation and Stress Block Parameters on Flexural Compressive Strength of Polymer Concrete  

Yeon, Kyu-Seok (강원대학교 지역건설공학)
Yi, Jai-Chul (강원대학교 지역건설공학)
Choi, Yoon-Sang (강원대학교 지역건설공학)
Publication Information
Journal of The Korean Society of Agricultural Engineers / v.50, no.5, 2008 , pp. 29-37 More about this Journal
Abstract
Stress-strain relation and stress block parameters of polymer concrete flexural compression members were experimentally investigated. For these purposes, a series of C-shaped polymer concrete specimens subjected to axial compressive load was tested. Based on the test results, we proposed an equation by which the stress-strain relation of polymer concrete can be predicted. In this model, we took account the slope of descending branch beyond the peak stress point of single curve. The proposed equation was numerically integrated to compute the rectangular stress block parameters. Computed ${\beta}_1$ was greater than the values prescribed in ACI 318 Code for cement concrete, and $\gamma$ was about 0.85 that is similar to the value regulated in the ACI.
Keywords
Polymer concrete; C-shaped specimen; Stress-strain relation; Stress block parameters;
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