玻璃纤维增强混凝土的抗冻融耐久性研究

Q2 Engineering

Journal of Sustainable Architecture and Civil Engineering Pub Date : 2020-04-10 DOI:10.5755/j01.sace.26.1.25130

R. Moceikis, A. Kičaitė, G. Sahmenko, Aušra Selsekienė

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引用次数: 1

摘要

采用除冰盐冻融结垢试验方法，对硅灰和偏高岭土改性的玻璃纤维混凝土（GRC）进行了112次循环后的抗冻融性能试验。得到了GRC复合材料的表面质量损失，根据载荷-变形曲线计算了弯曲应变能，并解释了GRC材料的韧性/脆性行为。SEM显微照片分析用于识别由于冻融影响而在长丝表面和纤维基体接触区上可能存在的缺陷。

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Durability Characterisation of Glass Fibre Reinforced Concrete by Resistance to Freezing and Thawing

Resistance to freezing and thawing of glass fibre reinforced concrete (GRC) modified with silica fume and metakaolin was tested according to scaling at freezing test method with de-icing salt after 112 cycles. Surface mass loss was obtained, flexural strain energies calculated from load- deformation curves and ductile/ brittle behavior of GRC composite explained. SEM micrograph analysis was used to identify possible flaws on the surface of filaments and fiber-matrix contact zone due to freeze-thaw influence.

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来源期刊

Journal of Sustainable Architecture and Civil Engineering Engineering-Architecture

CiteScore

1.20

自引率

0.00%

发文量

审稿时长

12 weeks