Brazil nut effect and CONCRETE: Entering terra incognita - 文章详情页

作者：

Stroeven, Piet (Stroeven, Piet.) | He, Huan (He, Huan.)

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EI Scopus

摘要：

This　paper　presents　some　evidence　of　the　impact　of　the　Brazil　nut　effect　(BNE)　on　concrete＇s　particulate　structure　on　meso-level　(aggregate)　as　well　as　on　micro-level　(cement　paste).　BNE　is　associated　with　long-range　size　segregation　in　particle　mixtures　due　to　vibration　in　slurry　state　of　concrete,　both　near　boundaries　and　in　bulk.　Presented　evidences　on　meso-　as　well　as　on　micro-level　are　coming　from　experiences　in　practice　and　in　research,　as　well　as　from　discrete　element　modelling　(DEM)　investigations.

关键词：

Aggregates Cements Concrete aggregates Concrete mixtures Concretes Finite difference method Segregation (metallography)

作者机构：

[ 1 ] [Stroeven, Piet]Faculty of Civil Engineering and Geosciences, Delft University of Technology, Stevinweg 1, 2628 CN Delft, Netherlands
[ 2 ] [He, Huan]Faculty of Civil Engineering and Geosciences, Delft University of Technology, Stevinweg 1, 2628 CN Delft, Netherlands
[ 3 ] [He, Huan]College of Architecture and Civil Engineering, Beijing University of Technology, Pingleyuan 100, 100124, Beijing, China

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