Evaluation of mechanical properties of polymer concretes for the rapid repair of runways

被引：72

作者：

Jung, Kyung-Chae ^{[1
]}

Roh, In-Taek ^{[1
]}

Chang, Seung-Hwan ^{[1
]}

机构：

[1] Chung Ang Univ, Sch Mech Engn, Seoul 156756, South Korea

来源：

COMPOSITES PART B-ENGINEERING | 2014年 / 58卷

关键词：

Particle-reinforcement; Mechanical properties; Mechanical testing; BRAGG GRATING SENSORS; REINFORCED-CONCRETE; FLEXURAL BEHAVIOR; THERMAL-EXPANSION; FIBER; EPOXY; COMPOSITE; PAVEMENTS; AIRPORT; TEMPERATURE;

D O I：

10.1016/j.compositesb.2013.10.076

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This paper aims to evaluate the material properties of polymer concrete for the repair of runways. Test specimens were prepared under room temperature conditions (25 degrees C), and the mixing ratios between aggregates and epoxy resin were 90:10, 85:15, 80:20, and 70:30 by weight. The real-time degree of cure for the epoxy resin was measured by a dielectrometry sensor. Compressive and flexural tests were carried out, in order to measure any property changes in the polymer concrete according to the mixing ratio. The thermal expansion for each of the specimens was measured by attached FBG fiber optic sensors, with temperature variation from -25 degrees C to 85 degrees C in a controlled environment chamber. The thermal expansion measurements were used to estimate the coefficient of thermal expansion of the polymer concrete. Based on the measured mechanical properties, the serviceability of polymer concrete as a repair material for runways was investigated. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：352 / 360

页数：9

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