The Washington State Dept. of Transportation is creating a list of best construction practices for floating bridges, based on results of tests conducted on a pontoon built at one-sixth the typical ...
ABERDEEN — Always mixing and tweaking, industrial engineers continue working to develop the right concrete recipe and process to build the strongest pontoons possible for the upcoming Highway 520 ...
ABERDEEN — Always mixing and tweaking, industrial engineers continue working to develop the right concrete recipe and process to build the strongest pontoons possible for the upcoming Highway 520 ...