UM
The relationships between stress and strain for high-performance concrete with metakaolin
Qian X.2; Li Z.2
2001-11-01
Source PublicationCement and Concrete Research
ISSN00088846
Volume31Issue:11Pages:1607-1611
AbstractThis paper reports the results of a study of stress-strain relationships (tension and compression) and bend strength measurements for concrete incorporating 0%, 5%, 10%, and 15% metakaolin. The test results show that the tensile strength and peak strain increase with increasing metakaolin content whereas the tensile elastic modulus shows only small changes. The descending area of overpeak stress is improved when 5% and 10% of cement is replaced by metakaolin. Also, the bend strength and compressive strength increase with increasing metakaolin content. The compressive elasticity modulus of concrete shows a small increase with increasing metakaolin replacement. The compressive strength increases substantially at early ages, and there is also higher long-term strength. Therefore, the metakaolin is a very efficient strength-enhancing addition. The workability of concrete is little influenced by small metakaolin contents (5% metakaolin). At higher metakaolin contents workability can be controlled effectively by superplasticizer additions. © 2001 Elsevier Science Ltd. All rights reserved.
KeywordConcrete Elastic moduli Metakaolin Relationships of stress and strain
DOI10.1016/S0008-8846(01)00612-3
URLView the original
Language英語
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被引频次[WOS]:59   [WOS记录]     [WOS相关记录]
Document TypeJournal article
专题University of Macau
Affiliation1.Hong Kong University of Science and Technology
2.Zhejiang University
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Qian X.,Li Z.. The relationships between stress and strain for high-performance concrete with metakaolin[J]. Cement and Concrete Research,2001,31(11):1607-1611.
APA Qian X.,&Li Z..(2001).The relationships between stress and strain for high-performance concrete with metakaolin.Cement and Concrete Research,31(11),1607-1611.
MLA Qian X.,et al."The relationships between stress and strain for high-performance concrete with metakaolin".Cement and Concrete Research 31.11(2001):1607-1611.
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