No abstract

No abstract

In 2020, the CoronaVirus Global Pandemic pressed pause on basic, everyday human activities all around the world. Except online. Hastings draws upon the power of performative writing and autonarratives to stitch together her memories of living and teaching online during a pandemic. By using digital communication tools and social media platforms, Hastings shows how she engaged in a new-age form of performative decolonization that is carried out through dramatic acts of digital advocacy. She presents both a snapshot of the past and a glimpse of how we might use digital resources to move forward—virtually and culturally.

Inadequate drainage conditions may lead to airfield pavement deterioration. A thorough review of existing pavement drainage guidance and literature was necessary to identify key drainage considerations such as surface drainage infrastructure, pavement drainage layer thickness, use of geotextiles, and performance in freeze–thaw climates. Existing airport drainage guidance is provided by the Unified Facilities Criteria (UFC), the Federal Aviation Administration (FAA), and the Tri-Service Pavements Working Group (TSPWG). Pavement drainage guidance is buried within regulations for pavement de-sign and can, at times, be split awkwardly to accommodate pavement guidance that is split between rigid and flexible designs. Most airfield pavement guidance has been adapted from guidance for highway design. Most guidance is also strength based, with little to no attention paid to material erodibility (a potential cause of pavement deterioration). This review also found very little reference to repairing, rather than completely replacing, damaged subsurface drainage layers. Further research is needed to assess the use of geofabrics and moisture in freeze–thaw conditions on drainage layers and surface structures. With further research, the retrofit and repair of existing subpavement systems might become a more economical solution to drainage-caused pavement deterioration issues than complete reconstruction.

No abstract