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[1]夏 勇,陈嘉健*,马岸民,等.石材废粉砂浆的流动性研究[J].武汉工程大学学报,2020,42(06):652-657.[doi:10.19843/j.cnki.CN42-1779/TQ.202003007]
 XIA Yong,CHEN Jiajian*,MA Anmin,et al.Study on Fluidity of Waste Stone Powder Mortar[J].Journal of Wuhan Institute of Technology,2020,42(06):652-657.[doi:10.19843/j.cnki.CN42-1779/TQ.202003007]
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石材废粉砂浆的流动性研究(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
42
期数:
2020年06期
页码:
652-657
栏目:
资源与环境工程
出版日期:
2021-01-30

文章信息/Info

Title:
Study on Fluidity of Waste Stone Powder Mortar
文章编号:
1674 - 2869(2020)06 - 0652 - 06
作者:
夏 勇1陈嘉健*1马岸民1李子宏1黄焯超2
1. 佛山科学技术学院交通与土木建筑学院,广东 佛山 528000;2. 佛山市技术创新协会,广东 佛山 528000
Author(s):
XIA Yong1 CHEN Jiajian*1 MA Anmin1 LI Zihong1 HUANG Zhuochao2
1. School of Transportion, Civil Engineering and Architecture, Foshan University, Foshan 528000, China;2. Foshan Technological Innovation Association, Foshan 528000, China
关键词:
流动性平均液层厚度填充密度石材废粉砂浆
Keywords:
fluidity mean liquid thicknesspacking density waste stone powdermortar
分类号:
TU528.52
DOI:
10.19843/j.cnki.CN42-1779/TQ.202003007
文献标志码:
A
摘要:
为了探索掺入石材废粉置换等体积细骨料对砂浆性能的影响,研究测量了20组不同水灰比、不同石材废粉体积下砂浆的流动性、黏聚性和抗压强度,量化了各配比的填充密度和平均液层厚度,揭示了石材废粉砂浆流动性能的主要控制因素。结果表明,掺入石材废粉降低了流速和扩展度,最大降幅分别为71.7%和12.0%;提高了黏聚性和抗压强度,最大增幅分别为69.3%和70.8%。回归分析揭示了流速、扩展度和黏聚性受平均液层厚度和石材废粉体积的协同影响,拟合公式相关系数R2值分别为0.92、0.85和0.84。
Abstract:
To study the effects of waste stone powder (WSP) as fine aggregate replacement on the performances of mortar,we measured the fluidity,cohesiveness and compressive strength of 20 mortar mixes with various WSP volumes at water/cement ratios,and quantified the packing densities and mean liquid thickness to disclose the governing parameters of the fluidity. The results show that the addition of WSP decreases the flow rate and flow spread with the maximum decrease of 71.7% and 12.0%,respectively. Addition of WSP increases the cohesiveness and compressive strength with the maximum increase of 69.3% and 70.8%,respectively. Regression analysis demonstrates that the flow rate,cohesiveness and compressive strength are mainly governed by the mean liquid thickness and WSP volume. And the correlation coefficients R2 are confirmed as 0.92,0.85 and 0.84 respectively.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2020-03-10基金项目:广东省高校省级重点平台和重大科研项目(2018GXJK197);广东省高等教育教学改革项目(2018年度序号595);佛山科学技术学院自由探索基金(2019ZYTS29)作者简介:夏 勇,硕士研究生。E-mail:[email protected]*通讯作者:陈嘉健,博士,副教授。E-mail:[email protected]引文格式:夏勇,陈嘉健,马岸民,等. 石材废粉砂浆的流动性研究[J]. 武汉工程大学学报,2020,42(6):652-657.
更新日期/Last Update: 2020-12-17