How is the Bending Beam Rheometer (BBR) used in bitumen analysis?
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十一月 21, 2024 12:12 上午 by Natalie Dupont
The BBR assesses low-temperature properties by measuring the flexural creep stiffness of a bitumen beam specimen at low temperatures. It provides parameters like creep stiffness (S) and m-value (rate of stiffness change), indicating the binder’s ability to resist thermal cracking by absorbing stresses through deformation without fracturing.
