Subsurface Utility Engineering Leads to Increased Safety, Cost Savings
The built world is continually evolving. You don’t have to look far to see road improvements, new houses and buildings, increased public transit, revitalization efforts, and more. New infrastructure means a higher demand for utilities, from water to telecommunications. Yet these additional utilities place increased stress on America’s rights-of-way, where most of these lines are… Read More »
Tale of Two Centuries: How to Save a Historic Bridge
It was three years after the Model T became the first mass-produced automobile when a salesman from the Iowa Bridge Company met with the City of Chippewa Falls, Wisconsin, to extol the virtues of a new type of bridge from the Marsh Engineering Company. The attractive rainbow-arched bridge with glass globe lanterns at each of… Read More »
Tags: Bridge, Bridge Rehabilitation, Bridge Repair, Fiber-Reinforced Polymer, Marsh Rainbow Arch Bridge, Structural Design, Structural Inspection
How to Make Curves Safer: High Friction Surface Treatment One of Many Options
The I-43/I-41 HFST shows up as a texturized surface that improves grip on this curved fly-over ramp. Verville Roth By Phillip Verville III, PE, and William Roth, PE Traveling down a straight stretch of highway generally is not a high-risk endeavor. Throw in a curve and some rain or snow, though, and your chances of… Read More »
Tags: Compound Curves, Curve Reconstruction, HFST, High Friction Surface Treatments, Lane Drops, Pavement Grooving, Rumble Strips, Signage, Slope Flattening, Superelevation Correction