Properties of one-part geopolymer incorporating wollastonite as partial replacement of geopolymer precursor or sand

被引：31

作者：

Bong, Shin Hau ^{[1
]}

Nematollahi, Behzad ^{[1
]}

Xia, Ming ^{[1
]}

Nazari, Ali ^{[1
]}

Sanjayan, Jay ^{[1
]}

机构：

[1] Swinburne Univ Technol, Fac Sci Engn & Technol, Ctr Smart Infrastruct & Digital Construct, Melbourne, Vic 3122, Australia

来源：

MATERIALS LETTERS | 2020年 / 263卷

基金：

澳大利亚研究理事会;

关键词：

One-part geopolymer; Wollastonite; Just-add-water; Fresh properties; Mechanical properties; MECHANICAL-PROPERTIES;

D O I：

10.1016/j.matlet.2019.127236

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This study reports the effects of using wollastonite as sand or geopolymer precursor replacements on properties of a one-part (just-add-water) geopolymer mortar. Fresh and hardened properties of mixtures containing 0, 10, and 20% (by mass) of wollastonite were experimentally measured. The results showed that using wollastonite as sand replacement significantly improved the flexural strength of the mixtures, while the compressive strength was either increased or remained unchanged, depending on the wollastonite content. However, using wollastonite as geopolymer precursor replacement did not improve the flexural strength of the mixtures. Using wollastonite as sand or geopolymer precursor replacements significantly reduced the workability and setting time of the mixtures. (C) 2019 Elsevier B.V. All rights reserved.

引用

页数：4

共 8 条

[1] Rheology, fiber distribution and mechanical properties of calcium carbonate (CaCO3) whisker reinforced cement mortar [J].