Keywords: Seismic designs. Large pile groups. Caissons. Retrofitting. Long-span bridges. Ground motions. Soil-foundation-structure interaction (SFSI). Kinematic soil-pile interaction. Linear stiffness ...

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The new Narrows Bridge was built just 200 feet south of the existing bridge. Complex stratigraphy, diverse topography, fault-zones, landslide-prone slopes, contaminated soils and endangered species.

Crews working on the new Tacoma Narrows Bridge are well on their way to getting the first foundation anchored in the Narrows, engineers reported Tuesday. As of Tuesday evening, workers had attached ...

The caissons are made of reinforced concrete with the rebar lattice constructed on site. The 10-in.-thick tilt-up walls were also poured and tilted on site. All concrete work on the project is being ...

Construction of the Tacoma caisson of the new Tacoma Narrows bridge is five weeks behind schedule, according to a report released Monday by the state Department of Transportation. But bridge builders ...

Equipment supplier and Caterpillar dealer Empire Southwest is known throughout the region as a supplier of heavy machinery for innovative and unique projects. Last year, the firm began work on their ...