Experimental and statistical exploring for mixed-mode (I&amp;II) fracture behavior of cement emulsified asphalt mortar under freeze–thaw cycles and aging condition

Najjar, Shima; Moghaddam, Abolfazl Mohammadzadeh; Sahaf, Ali; Aliha, M.R.M.

doi:10.1016/j.tafmec.2022.103643

Cited by 16 publications

(1 citation statement)

References 39 publications

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“…These two indexes can be determined experimentally using suitable laboratory samples. Review of available works reveals that some test specimens including SCB, [87][88][89][90][91][92][93][94][95][96][97] short and long cracked beams subjected to three-or four-point bending, 57,[98][99][100][101][102][103] center cracked Brazilian disk under diametric compression, 104,105 and the ENDB 52,64,[106][107][108][109][110][111][112][113][114][115][116] are among the common used test samples for investigating mixed modes I and II fracture in asphaltic materials. Among them, the ENDB specimen is the newest developed sample and has some advantages such as ease of manufacturing and testing.…”

Section: Mode I and Mode Ii Fracture Test Configurationsmentioning

confidence: 99%

Comparative cracking resistance‐cost study for the hot mix asphalt (HMA) mixtures made of natural and recycled asphaltic materials

Ghoroghi,

Haghighatpour,

Aliha

et al. 2023

Fatigue Fract Eng Mat Struct

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Cracking performance of control and RAPed hot mix asphalt (HMA) mixtures was studied under low and medium temperatures. The effects of recycled asphalt pavement (RAP) content (0 and 50%), compaction method, and temperature (−20, 0 and +20°C) on KIf and KIIf were investigated. Cracking resistances of both modes showed similar trends. The fracture toughness of RAPed mixture at +20°C was higher than the control mixture. However, at −20°C, KIf and KIIf obtained from the RAPed mixture were about 22% lower than control mixture. A cost analysis was performed to compare the manufacturing costs of both mixtures. Accordingly, the cost of HMA mixture containing 50% RAP was 26% less than the control mixture. The proposed life‐cost index in the RAPed mixture was 10, 25, and 100% greater than the control mixture at −20, 0, and +20°C, respectively. Temperature and RAP content had the most important impacts on fracture toughness and cost, respectively.

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