Effect of Strain Rate and Fiber Type on Tensile Behavior of High-Strength Strain-Hardening Cement-Based Composites (HS-SHCC): Fid-Bau Portal

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Effect of Strain Rate and Fiber Type on Tensile Behavior of High-Strength Strain-Hardening Cement-Based Composites (HS-SHCC)

Heravi, Ali A. / Smirnova, Olga / Mechtcherine, Viktor

Abstract The tensile behavior of four different types of high-strength strain-hardening cement-based composite (HS-SHCC) is investigated under both quasi-static and dynamic loading at strain rates of 0.005 and 20 s−1, respectively. The mixtures consist of the same fine-grained cement matrix, but contain different types of high-performance polymer fiber as dispersed reinforcement. In case of dynamic loading, a new drop-weight testing device is used to apply direct tensile load to a sample with the same geometry as in the quasi-static tests. The mechanical performance of mixtures is explained based on the properties of the fibers and their interactions with the cement-based matrix. Moreover, a comparison between quasi-static and dynamic results is made in order to clarify the effect of loading rate on mechanical properties of various HS-SHCC mixtures.

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Effect of Strain Rate and Fiber Type on Tensile Behavior of High-Strength Strain-Hardening Cement-Based Composites (HS-SHCC)

Heravi, Ali A. / Smirnova, Olga / Mechtcherine, Viktor

Abstract The tensile behavior of four different types of high-strength strain-hardening cement-based composite (HS-SHCC) is investigated under both quasi-static and dynamic loading at strain rates of 0.005 and 20 s−1, respectively. The mixtures consist of the same fine-grained cement matrix, but contain different types of high-performance polymer fiber as dispersed reinforcement. In case of dynamic loading, a new drop-weight testing device is used to apply direct tensile load to a sample with the same geometry as in the quasi-static tests. The mechanical performance of mixtures is explained based on the properties of the fibers and their interactions with the cement-based matrix. Moreover, a comparison between quasi-static and dynamic results is made in order to clarify the effect of loading rate on mechanical properties of various HS-SHCC mixtures.

Effect of Strain Rate and Fiber Type on Tensile Behavior of High-Strength Strain-Hardening Cement-Based Composites (HS-SHCC)

Heravi, Ali A. / Smirnova, Olga / Mechtcherine, Viktor

Abstract The tensile behavior of four different types of high-strength strain-hardening cement-based composite (HS-SHCC) is investigated under both quasi-static and dynamic loading at strain rates of 0.005 and 20 s−1, respectively. The mixtures consist of the same fine-grained cement matrix, but contain different types of high-performance polymer fiber as dispersed reinforcement. In case of dynamic loading, a new drop-weight testing device is used to apply direct tensile load to a sample with the same geometry as in the quasi-static tests. The mechanical performance of mixtures is explained based on the properties of the fibers and their interactions with the cement-based matrix. Moreover, a comparison between quasi-static and dynamic results is made in order to clarify the effect of loading rate on mechanical properties of various HS-SHCC mixtures.

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Title:

Effect of Strain Rate and Fiber Type on Tensile Behavior of High-Strength Strain-Hardening Cement-Based Composites (HS-SHCC)

Contributors:

Heravi, Ali A. (author) / Smirnova, Olga (author) / Mechtcherine, Viktor (author)

Published in:

Strain-Hardening Cement-Based Composites ; 266-274

RILEM Bookseries ; 15

Publication date:

2017-09-05

Size:

9 pages

ISBN:

978-94-024-1194-2 , 978-94-024-1193-5

ISSN:

2211-0844 , 2211-0852

DOI:

https://doi.org/10.1007/978-94-024-1194-2_31

Type of media:

Article/Chapter (Book)

Type of material:

Electronic Resource

Language:

English

Keywords:

SHCC , Polymer fiber , Tension , Impact loading , Drop-weight test Engineering , Building Materials , Characterization and Evaluation of Materials , Continuum Mechanics and Mechanics of Materials

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