TRB’s National Cooperative Highway Research Program (NCHRP) Report 717: Scour at Bridge Foundations on Rock presents a methodology for estimating the time rate of scour and the design scour depth for a bridge founded on rock. The report also includes design and construction guidelines for application of the methodology. [Source: TRB. Image: TRB]
TRB’s National Cooperative Highway Research Program (NCHRP) Report 691: Mix Design Practices for Warm-Mix Asphalt explores a mix design method tailored to the unique material properties of warm mix asphalt technologies. Warm mix asphalt (WMA) […]
The record-breaking precipitation in BC and the Pacific Northwest causes major destruction to bridges, embankments, roads, and rail corridors. The BC Ministry of Transport and Infrastructure posted some photos today that are quite dramatic. See […]
The current edition of the AASHTO LRFD Bridge Design and Construction specifications do not have specifications for soil nail retaining walls. This TRB publication is meant to be an interim solution for agencies who still […]
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