The light-weight deflectometer (LWD) has seen increased use in quality control and quality assurance testing. Pavement applications include general assessment of unbound layer stiffness and controlling the quality of compacted aggregate and soil layers. This webinar will share test set up, data analysis, and limitations of the LWD device.
Stabilization additives are used to increase the strength and stiffness of road foundations in weak and susceptible soils. Numerous additives exist for improving performance of aggregate base and subgrade layers. This webinar will explore examples and case studies using conventional and nonconventional additives.
For the first time, AASHTO bridge design specifications will permit the use of 0.7-inch strands. This webinar will present the results of a multi-year, multi-organizational research program leading to AASHTO’s revision.
The critical need for urgent action in advancing greater workforce diversity and development, innovation and continuous learning, and “people-readiness” at all levels has risen to new levels. This webinar will spotlight the development of policies and practices that more fully address inequities and injustices caused and contributed to by transportation.
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