Concrete Mix Proportion Orthogonal Test of Sulfate Corrosion Resistant High Performance Concrete - 文章详情页

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Using　fly　ash,　slag　and　silica　fume　as　mineral　admixtures,　high　performance　concrete　of　low　water-binder　ratio　was　made.　Through　orthogonal　test　of　concrete　mix　proportion　in　wet-dry　cycling,　the　paper　analyzed　the　effects　and　results　of　relevant　factors　on　the　performance　of　concrete　sulfate　corrosion　and　efflorescence.　The　results　show　that　water　binder　ratio　has　the　deepest　influence,　follows　by　silica　fume,　and　fly　ash　and　slag　has　less　effect;　effect　changes　with　the　variation　of　the　content　of　mineral　admixture　except　water　binder　ratio;　the　optimal　mixture　ratio　is　water　binder　ratio　0.33,　silica　fume　10%,　fly　ash　10%　and　slag　15%,　considering　of　sulfate　corrosion　and　efflorescence;　HPC　with　low　water　binder　ratio　and　mineral　admixtures　can　help　the　crystallization　of　hydration　products;　the　filling　effects　and　superimposed　pozzolanic　effects　increase　the　compactness　of　concrete.　©　2017,　The　Press　of　NUC.　All　right　reserved.

关键词：

Concrete; Mineral admixture; Orthogonal experiment; SEM

作者机构：

[ 1 ] [Liu, J.-Y.]Dept. of Civil Engineering, Shanxi University, Taiyuan, 030013, China
[ 2 ] [Liu, J.-Y.]School of Mechanics and Civil Engineering, China University of Mining & Technology(Beijing), Beijing, 100083, China
[ 3 ] [Li, X.-D.]Architectural Engineering Institute, Beijing University of Technology, Beijing, 100022, China
[ 4 ] [Gong, T.-Z.]Dept. of Civil Engineering, Shanxi University, Taiyuan, 030013, China
[ 5 ] [Ma, H.-Q.]School of Mechanics and Civil Engineering, China University of Mining & Technology(Beijing), Beijing, 100083, China
[ 6 ] [Chu, Z.]School of Mechanics and Civil Engineering, China University of Mining & Technology(Beijing), Beijing, 100083, China
[ 7 ] [Zhang, Y.-T.]School of Mechanics and Civil Engineering, China University of Mining & Technology(Beijing), Beijing, 100083, China
[ 8 ] [Su, Z.-J.]School of Mechanics and Civil Engineering, China University of Mining & Technology(Beijing), Beijing, 100083, China

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