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Effect of supplementary materials on the autogenous shrinkage of cement paste

Journal Article (2020)
Author(s)

Tianshi Lu (TU Delft - Civil Engineering & Geosciences)

Zhenming Li (TU Delft - Civil Engineering & Geosciences)

Hao Huang (TU Delft - Civil Engineering & Geosciences)

Research Group
Materials and Environment
DOI related publication
https://doi.org/10.3390/ma13153367 Final published version
More Info
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Publication Year
2020
Language
English
Research Group
Materials and Environment
Issue number
15
Volume number
13
Article number
3367
Pages (from-to)
1-15
Downloads counter
341
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Abstract

In recent years more and more attention has been given to autogenous shrinkage due to the increasing use of high-performance concrete, which always contains supplementary materials. With the addition of supplementary materials-e.g., fly ash and blast furnace slag-internal relative humidity, chemical shrinkage and mechanical properties of cement paste will be affected. These properties significantly influence the autogenous shrinkage of cement paste. In this study, three supplementary materials-i.e., silica fume, fly ash and blast furnace slag-are investigated. Measurements of final setting time, internal relative humidity, chemical shrinkage, compressive strength and autogenous deformation of the cement pastes with and without supplementary materials are presented. Two water-binder ratios, 0.3 and 0.4, are considered. The effects of different supplementary materials on autogenous shrinkage of cement paste are discussed.