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Development of Model Equations for Strength Properties with Age in Concrete Pavement  

Yang, Sung-Chul (홍익대학교 건축공학부)
Kwon, Su-Ahn (한국건설기술연구원 도로연구실)
Lim, Yu-Jin (배재대학교 건설환경철도공학과)
Publication Information
Journal of the Korean Society of Hazard Mitigation / v.10, no.6, 2010 , pp. 35-43 More about this Journal
Abstract
This study was carried out to find reliable relations between various concrete strength properties which are used as input data in concrete pavement design program. Concretes were made from different sources of coarse grained(granite, limestone and sandstone) and fine grained aggregates such as natural sand, washed sand and crushed sand. From strength test results, model equations were obtained based on the relation between strengths. For each coarse grained aggregate, models for compression-flexural strengths, compression-split tensile strengths, compressive strength-modulus and flexural-split tensile strengths with age were obtained. For concrete mixed with gneiss granite aggregates, concrete strengths were obtained from numerical mean values of concrete strengths mixed with fine grained aggregates. In addition models for concrete split tensile strengths and modulus values were provide by averaging numerically the estimated values obtained from the derived relationship and the experimental values. This is due to more scattered values of split tensile strengths and modulus values than other strength properties. Finally criteria for drying shrinkage strain as well as Poisson's ratio for concrete used in pavement were presented for all mixes with differed coarse grained aggregates.
Keywords
material properties; strength; modulus; Poisson's ratio; drying shrinkage;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
연도 인용수 순위
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