Research on the relation between the particle shape of a coarse aggregate and void content

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成果类型：

期刊论文

作者：

He, Xiao;Yin, Jian*;Yang, Jiewen;Liang, Qiao;Wu, Songyun

通讯作者：

Yin, Jian

作者机构：

[Yin, Jian; Liang, Qiao; Yang, Jiewen; He, Xiao; Wu, Songyun] Cent South Univ Forestry & Technol, Sch Civil Engn, 498 Shaoshan South Rd, Changsha 410004, Hunan, Peoples R China.

通讯机构：

[Yin, Jian] C

Cent South Univ Forestry & Technol, Sch Civil Engn, 498 Shaoshan South Rd, Changsha 410004, Hunan, Peoples R China.

语种：

英文

关键词：

coarse aggregate;particle shape;sphericity;flatness;void content

期刊：

Materiali in Tehnologije

ISSN：

1580-2949

年：

2019

卷：

期：

页码：

171-175

DOI：

10.17222/mit.2018.187

基金类别：

This research was supported by the National Key R&D Program of China (no. 2016YFC0700801-01), Scientific Innovation Fund for Post-Graduates of Central South University of Forestry and Technology (no. 20181006).

机构署名：

本校为第一且通讯机构

院系归属：

土木工程学院

摘要：

To quantitatively characterize the shape of coarse aggregates, a needle flake gauge meter was used to sieve coarse aggregates. The image technique was used to carry out the operations of edge recognition, greying and image binarization. Image-Pro Plus was employed to obtain the grain-shape parameters of the coarse aggregates, including sphericity and flatness. Tested void contents were obtained for the coarse aggregates so that the relationship between the shape parameters (sphericity, flatness) and the accumulated void content was analyzed. Th...

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