![]() ![]() Although HPFRCC shows smeared distributed cracks in tensile loads, a significant reduction in the diffusion coefficient of HPFRCC is not obtained compared to plain concrete when the cyclic compressive load is applied below 85% of the strength. However, the chloride diffusion coefficient increases only up to 1.5-times, whereas the specific crack area increases up to 3-times with an increase in damage. The results show that the residual axial strain, lateral strain and specific crack area of HPFRCC specimens increase with an increase in the damage induced by repeated loads. The chloride diffusivity of HPFRCC is measured after being subjected to various repeated loads. ![]() Therefore, the goal of the present study is to explore the chloride diffusion characteristics of HPFRCC damaged by compressive loads. However, the chloride permeability of HPFRCC under compressive loading conditions is not yet fully understood. Recently, it was recognized that a high-performance fiber-reinforced cement composite (HPFRCC) provides a possible solution to this inherent problem of cracking by smearing one or several dominant cracks into many distributed microcracks under tensile loading conditions. Approaches to controlling crack development and crack width in concrete structures have been widely debated. The development of cracking in concrete structures leads to significant permeability and to durability problems as a result. ![]()
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