Mechanical behavior of strain-hardening cement-based composites (SHCC) subjected to torsional loading and to combined torsional and axial loading

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 behavior SHCC has been matter study in numerous research works, these under other loading modes scarcely investigated. The article at hand addresses mechanical two types normal-strength subject uniaxial tension, torsion, and combinations torsional axial loading. investigation were made with polyvinyl-alcohol (PVA) ultra-high molecular weight polyethylene (UHMWPE) fibers, respectively. Digital Image Correlation (DIC) was applied evaluate multiple cracking process crack opening conjunction histories. demonstrates suitability torsion experiments assess multi-axial shear performance SHCC, highlights relation between transfer for forces, emphasizes importance type reinforcing fibers on strength ductility such composites.