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Freeze-Thaw Damage (FTD) is one of the most important factors that can reduce the Warm Mix Asphalt's (WMA) crack resistance. In this study, modified WMA and WMA mixtures' fracture behavior containing vertical and angular cracks was evaluated using semi-circular bend geometry (SCB). For this purpose, SCB samples containing vertical cracks (Pure mode II) and angular cracks (Pure mode I) were made first; Then, FTD conditions were applied to the samples to condition them. The results showed that all the mixtures modified with Calcium Lignosulfonate (CL) and polyester fibers (PE) had a better crack resistance than the base sample under FTD conditions. As a result, the fracture energy of WMA mixtures containing 6% CL increased by about 146, 141, 75, and 93%, respectively, while the fracture toughness of WMA mixtures containing 3% CL increased by about 103, 95, 97, and 92%, respectively. The results of the brittleness indices showed that mixtures containing 6% CL, 0.25% PE-6% CL, and 0.25% PE had a more flexible behavior than other mixtures under FTD conditions, respectively. Therefore, using these mixtures, in addition to improving the fracture performance, was also recommended for environmentally friendly purposes. [ABSTRACT FROM AUTHOR]

The importance of the baggage claim area as the gateway to the city is extremely high. Therefore, the initial impression of the quality of services provided at the destination airport is based on this area. In this research, an agent-based and discrete event approach using five parameters (speed and traffic of passengers, speed and arrangement of carousels, and air traffic) was applied in order to simulate passenger flow in the baggage claim area of Imam Khomeini International Airport, Tehran, Iran. In this regard, forty-eight scenarios were identified and simulated using AnyLogic software, and the waiting time and level of service for each scenario were obtained. Finally, it was revealed that changing the arrangement of the carousels from T-shaped to oval-shaped and expansion of the circumference by 10% had the greatest effect. Also, changing the speed of the carousels had the least influence on increasing the level of service and reducing waiting time. [ABSTRACT FROM AUTHOR]