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NPA geocell for railway line repair in permafrost region
June 1st, 2021
FIGURE 1 Exposed degraded permafrost on the damaged track after the flood event in 2017 Churchill is a port city located on Hudson Bay in northern Manitoba, Canada. The nearest roadhead village of Gillam is 156 miles (252 km) south. Hudson Bay Railway (HBR), the only mode of land transport to Churchill, was completed in […]
High-strength geocell and geogrid hybrid reinforcement
June 1st, 2020
Compressor station gravel pad on soft subgrade By Sanat Pokharel, Timothy Yii, Marc Breault and Meisam Norouzi Infrastructure development in natural resources rich Alberta, Canada, often encounters very soft ground conditions that pose several construction and sustainability challenges to transportation infrastructure, such as roads, rails and pipelines. As the conventional construction practices may not always […]