![]() The aggregate characteristics (i.e., particle angularity and surface texture) align well with the microtexture characteristics of the investigated sources. The second model expresses DFC 20 as a function of polishing resistance of aggregates, which is represented by the initial and terminal aggregate texture and angularity values measured using the AIMS device with an overall coefficient of determination ( R 2 ) of 0.949. The first model correlates the friction coefficient at 20 km / h ( DFC 20 ) with the British pendulum number (BPN). Browse laptops in a range of sizes + storage options at JB Hi. ![]() This study provides two empirical models for the friction characteristics of high-friction surface treatment (HFST)-application aggregates based on the experimental results. Our Microsoft Surface range includes the Microsoft Surface Studio Laptop, Pro7+, Book, and Go. The aggregate imaging measurement system (AIMS) technique was applied to evaluate the aggregate characteristics due to Micro-Deval degradation. The testing program included a British pendulum tester (BPT) and a dynamic friction tester (DFT), which were used to evaluate the friction characteristics of the proposed aggregates, along with basic and durability properties tests. In this study, a comprehensive experimental testing program was conducted on different aggregate sources, including calcined bauxite and five alternative local sources, to assess their friction characteristics. Moreover, vehicle safety, the amount of consumed fuel, and the wearing rate of vehicle tires generally are influenced by pavement surface friction. Find your Windows version: To find out which version and build of Windows you're using, select Start > Settings > System > About, then look under Windows specifications to find your operating system version and OS build number. ![]() Providing sufficient pavement surface friction (i.e., skid resistance) between vehicle tires and pavement surface throughout the pavement service life is considered to be one of the main objectives of highway design. Open the Surface app In Device information, look at the value next to Surface model.
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