WebMar 1, 2024 · The British Pendulum Number (BPN) is the result of the British Pendulum Test (BPT). The BPT is comprised of a swinging arm that is attached to a rubber slider at … WebMar 24, 2024 · A drag pointer indicates the British Pendulum (Tester) Number. The greater the friction between the slider and the test surface, the more the swing is retarded, and the larger the BPN reading. Apply sufficient water to cover the test area thoroughly. Execute one swing but don’t record reading.
Standard Test Method for Measuring Surface Frictional …
Webmeasure the British Pendulum Number (BPN) on more than 70 flexible pavement surfaces around the state as part of Partnered Pavement Research Center Strategic Plan Element (PPRC SPE) 4.16, entitled “Investigation of Noise, Durability, Permeability and Friction Performance Trends for Asphaltic Pavement Surface Types.” The WebBritish Pendulum Test (BPT) was used to quantify microtexture, and a sand patch test (modified for laboratory use) was used to measure macrotexture in terms of texture … little big foxes phonics
Evaluation of Skid Resistance Performance Using British Pendulum …
WebMar 24, 2024 · A drag pointer indicates the British Pendulum (Tester) Number. The greater the friction between the slider and the test surface, the more the swing is … WebSep 14, 2024 · The range from wet to dry, equivalent to a British Pendulum Number (BPN) from ~40 to ~50, was considered as good conditions on the runway. All the RDPs tested in the study improved the BPN from untreated conditions. ... The friction coefficient is then calculated as a function of the difference between the initial and final speed. The greater ... WebThe British pendulum test is commonly used to measure low-speed pavement friction and provide a measure of the quality of pavement surface micro-texture in terms of skid … little bigfoot publishing submissions