Evaluation of High-Temperature and Antireflection Cracking Performance of Warm Mixed Recycled Asphalt Mixture

Wang, Lan; Wu, Hui; Guo, Zhaoyang

doi:10.1061/(asce)mt.1943-5533.0004642

Cited by 2 publications

(2 citation statements)

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“…The DIC technique is a non-contact method of measuring the strain field on the surface of a specimen, and has advantages in macroscopic and microscopic dimensions that are unmatched by other methods (Alhakim et al 2023, Allain et al 2023, Holmes et al 2023, 2023c, 2023d, Miao et al (2023) monitored the crack development of marble specimens during compression using the DIC technique and found that tensile cracks developed from the clear narrow strains in the strain field diagram and shear cracks developed from the fuzzy wide strains in the strain field. Kinda et al (2023) investigated the drying creep and shrinkage of cement paste from a microscopic point of view using the DIC technique under SEM and established a model between creep modulus, drying rate and relative humidity.…”

Section: Introductionmentioning

confidence: 99%

“…Kinda et al (2023) investigated the drying creep and shrinkage of cement paste from a microscopic point of view using the DIC technique under SEM and established a model between creep modulus, drying rate and relative humidity. Wang et al (2023aWang et al ( , 2023bWang et al ( , 2023cWang et al ( , 2023d added corn straw fibers to gangue powder concrete and monitored the surface of the specimens using the DIC technique, and the results of the tests showed that the addition of corn straw fibers improved the stability of the cement soil. Guo et al (2023) monitored the horizontal strain field and vertical displacement field of concrete during uniaxial compression and obtained the law of crack development with the failure mechanism of concrete, in addition, DIC technique has important applications in the analysis of strain fields in material fields such as asphalt (Klimczak et al 2023, Ren et al 2023, 2023c, 2023d, metals (Gao et al 2022, He and Feng, 2023, Kannan et al 2023 and rocks (Liu et al 2023, 2023c, 2023d, 2023e, Zhong et al 2023.…”

Section: Introductionmentioning

confidence: 99%

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Effect of fiber content on mechanical parameters and crack development of two kinds of reinforced cement soil

Zhang

Shu

2023

Mater. Res. Express

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PVA fiber and basalt fiber are two kinds of common fibers used to reinforce cementitious materials and are widely used in engineering, therefore it is of great interest to study the effect of the content of the two kinds of fibers on the strength change of the cementitious materials. In this study, the unconfined compressive strength(UCS) test and digital image correlation (DIC) test of cement soil with different contents (0,0.25%, 0.5%, 0.75% and 1%) were carried out. The following conclusions were drawn: in the process of uniaxial compression, the curve of specimens can be roughly divided into five stages : compaction, elasticity, plastic yield, failure and residual stage; the UCS of the soil specimens increased with the increase with the content of the two kinds of fibers, the UCS of 1 % PVA fiber can be increased to 179.32 % of the control group, but when the content is greater than 0.75%, the development of strength was limited by fiber aggregation; The modulus of deformation and the compressive toughness index of the soil specimen are linearly related to the compressive strength; DIC technology can simply and efficiently monitor the horizontal strain field changes and crack development of specimens in several stages, which can be extended to the actual project.

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