2022
DOI: 10.1016/j.cscm.2022.e01466
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Mechanical properties and damage constitutive of recycled aggregate concrete with polyvinyl alcohol fiber under compression and shear

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Cited by 4 publications
(3 citation statements)
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“…This is because a certain normal stress neutralizes the defects of RAC. Similarly, Chen et al 33 observed that introducing RCA reduced the shear strength of concrete This is because the attached mortar, which is an important composition of RCA, results the poor adhesion. Besides, the crack of RCA occurring during the manufacturing process is another reason.…”
mentioning
confidence: 91%
See 1 more Smart Citation
“…This is because a certain normal stress neutralizes the defects of RAC. Similarly, Chen et al 33 observed that introducing RCA reduced the shear strength of concrete This is because the attached mortar, which is an important composition of RCA, results the poor adhesion. Besides, the crack of RCA occurring during the manufacturing process is another reason.…”
mentioning
confidence: 91%
“…The results of Xu et al 31 and Trabucchi et al 32 show that the uniformly distributed PP fibers in concrete can inhibit the initiation of the original micro‐crack while enhancing the toughness of concrete. In terms of RAC, Chen et al 33 and Zareei et al 34 have shown that PVA and PP fiber can enhance the local strength of concrete, especially the ITZ area between new mortar and old mortar by bridging the cracks inside the concrete. Furthermore, the PP fibers play an important role in determining the splitting tensile and flexural strength of concrete 30 .…”
Section: Introductionmentioning
confidence: 99%
“…[4][5][6][7] However, according to previous studies, the material properties of RAC are different from natural aggregate concrete (NAC). 8 It is shown that: recycled coarse aggregate (RCA) usually has greater porosity, water absorption, and lower strength at the same ratio; RAC has a low modulus of elasticity and greater dispersion of parameters [9][10][11] ; RAC is more brittle than NAC 12,13 ; RAC has a damage evolution is more complex than that of NAC. 14 The above research proved that there are some differences in the properties of RAC compared with NAC after crushing.…”
Section: Introductionmentioning
confidence: 99%