Development of engineered cementitious composites made with dune sand

Richard Abubakar Shuaibu, Zhong Tao, Zhu Pan, Jian Zhou

Research output: Chapter in Book / Conference PaperConference Paperpeer-review

Abstract

In the last few decades, different studies have been conducted to develop high-performance fibre reinforced cementitious composites (HPFRCCs) exhibiting very high tensile strain. This type of material is designed based on micromechanics principles and is different from conventional concrete as it contains only very fine sand, usually silica sand with maximum aggregate size about 250μm. However, other types and sizes of aggregates have been successfully used to produce HPFRCCs. This study aims to develop ECC, which is a class of HPFRCCs, produced with a replacement of silica sand with dune sand at 0, 50 and 100% by weight. The presence of dune sand was seen to improve the strength of ECC by up to 50% at both early and later ages. The tensile strain at early age also was seen to improve in comparison to the control mix.
Original languageEnglish
Title of host publicationProceedings of the 1st International Conference on Structural Engineering Research (iCSER2017), 20-22 November 2017, Sydney, Australia
PublisherScience, Technology and Management Crest
Pages140-146
Number of pages7
ISBN (Print)9780648014768
Publication statusPublished - 2017
EventInternational Conference on Structural Engineering Research -
Duration: 20 Nov 2017 → …

Conference

ConferenceInternational Conference on Structural Engineering Research
Period20/11/17 → …

Keywords

  • sand dunes
  • tensile strength
  • ductility

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