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Evaluation of low and intermediate temperatures fracture indices for modified Warm mix asphalt (WMA) using edge notched disc bend (ENDB) specimen by Mohammad Zarei; Ali Abdi Kordani; Mohsen Zahedi; Farzad Akbarinia; Maziar Khanjari is a Engineering article available to read on EtoBox.
What is Evaluation of low and intermediate temperatures fracture indices for modified Warm mix asphalt (WMA) using edge notched disc bend (ENDB) specimen about?
Fracture toughness and fracture energy have been used as the main fracture indices to evaluate asphalt mixtures' fracture resistance. Recently, some cracking-related index parameters such as Flexibility Index (FI), Toughness Index (TI), and Cracking Resistance Index (CRI) have proposed the brittle behavior of asphalt mixtures by normalizing the fracture energy obtained from the load–displacement curve. Although previous studies have evaluated fracture indices in a limited range of temperature conditions and on a limited number of geometries, this study tried to evaluate different fracture indices on Warm Mix Asphalt (WMA) using Edge notched disc bend (ENDB) geometry (pure mode I and III) at low and intermediate temperatures. Besides, environmentally friendly additives, including Calcium Lignosulfonate (CL) and polyester fibers (PE), were used in different percentages jointly and separately to improve WMA mixtures' fracture performance. The results showed that although the risk of cracking of pure mode III was higher than pure mode I based on the toughness results, nevertheless, more fracture energy was required to fracture the sample in pure mode III than pure mode I. For the modif
Who reads Evaluation of low and intermediate temperatures fracture indices for modified Warm mix asphalt (WMA) using edge notched disc bend (ENDB) specimen?
It is typically read by researchers, students, and practitioners in Engineering.
- Author
- Mohammad Zarei; Ali Abdi Kordani; Mohsen Zahedi; Farzad Akbarinia; Maziar Khanjari
- Published
- 2021
- Language
- EN
- Field
- Engineering (Physical Sciences)