Chen, Shikun;
Ruan, Shengqian;
Zeng, Qiang;
Liu, Yi;
Zhang, Mingzhong;
Tian, Ye;
Yan, Dongming;
(2022)
Pore structure of geopolymer materials and its correlations to engineering properties: A review.
Construction and Building Materials
, 328
, Article 127064. 10.1016/j.conbuildmat.2022.127064.
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Abstract
The pore structure plays an important role in determining the performance of solid materials. This paper reviews the studies about the pore structure of geopolymers, a rising kind of eco-friendly low-calcium-content cementitious material. Geopolymers usually show a four-leveled multiscale pore structure. The abundance in nano pores is the key feature of the pore structure of geopolymers comparing with that of ordinary Portland cement. Factors, such as raw materials, alkali activators, additional materials and etc. could alter the pore structure of geopolymers and thus have effects on the performance of these materials. A variety of macro properties, such as compressive strength, thermal conductivity, permeability and etc., have close relationship with the pore structure of geopolymers. General rules to optimize the pore structure and performance of geopolymers are figured out in this review, which would help the rational design and application of geopolymers. Further research trend is also discussed.
| Type: | Article |
|---|---|
| Title: | Pore structure of geopolymer materials and its correlations to engineering properties: A review |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1016/j.conbuildmat.2022.127064 |
| Publisher version: | https://doi.org/10.1016/j.conbuildmat.2022.127064 |
| Language: | English |
| Additional information: | This version is the author accepted manuscript. For information on re-use, please refer to the publisher's terms and conditions. |
| Keywords: | Geopolymer; Pore structure; Engineering property |
| UCL classification: | UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Civil, Environ and Geomatic Eng UCL > Provost and Vice Provost Offices > UCL BEAMS UCL |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10144840 |
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