Development of a Hollow-Cylinder Tensile Tester for Asphalt Mixtures
The Strategic Highway Research Program (SHRP) was a $50-million research effort that led to the development of performance-based tests and prediction models for the design of asphaltic paving mixtures. However, there are many obstacles standing in the path of full implementation of the new methodologies, particularly the cost and complexity of the new test devices. A hollow-cylinder tensile test device is being developed to serve as a low-cost, easy-to-operate device for the control of low-temperature cracking of asphalt pavements. Viscoelastic and fracture-related properties of standard laboratory cylinders will be determined at low and intermediate temperatures using the new device.