Title
Mechanical behavior of strain-hardening cement-based composites (SHCC) subjected to torsional loading and to combined torsional and axial loading
Date Issued
15 January 2021
Access level
open access
Resource Type
journal article
Author(s)
Figueiredo T.C.S.P.
Curosu I.
Hering M.
Silva F.d.A.
Curbach M.
Mechtcherine V.
Pontificia Universidad Católica de Río
Publisher(s)
Elsevier Ltd
Abstract
Strain-hardening cement-based composites (SHCC) are a novel class of fiber-reinforced concretes which exhibit high tensile strain capacity prior to failure localization. Although the tensile behavior of SHCC has been a matter of study in numerous research works, the behavior of these composites under other loading modes has scarcely been investigated. The article at hand addresses the mechanical behavior of two types of normal-strength SHCC subject to uniaxial tension, torsion, and combinations of torsional and axial loading. The SHCC under investigation were made with polyvinyl-alcohol (PVA) and ultra-high molecular weight polyethylene (UHMWPE) fibers, respectively. Digital Image Correlation (DIC) was applied to evaluate the multiple cracking process and crack opening modes in conjunction with the axial and torsional loading histories. The study demonstrates the suitability of torsion experiments to assess the multi-axial and shear performance of SHCC, highlights the relation between multiple cracking and transfer capacity for shear forces, and emphasizes the importance of the type of reinforcing fibers on the shear strength and ductility of such composites.
Volume
198
Language
English
OCDE Knowledge area
Ingeniería de materiales
Subjects
Scopus EID
2-s2.0-85097640921
Source
Materials and Design
ISSN of the container
02641275
Sponsor(s)
The authors would like to express their gratitude to the Technical Manager of the Instituto Tecnológico, M.Sc. Adrian Giassone, for his invaluable support. Additionally, this study was financed in part by the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior CAPES (Brazil) - Finance Code 001. Moreover, support by CAPES (Brazil) through the Probral program N o 12/2017 and DAAD (Germany) within the research project 8887.144079/2017-00 is gratefully acknowledged. The 1st author also expresses gratitude to the Brazilian Agency CNPq for her stipend. Finally, the authors at the TU Dresden appreciate the funding by the Deutsche Forschungsgemeinschaft (DFG – German Research Foundation) in the framework of the Research Training Group GRK 2250/1 “Mineral-bonded composites for enhanced structural impact safety”, project number 287321140.
Sources of information:
Directorio de Producción Científica
Scopus