In railroad tracks, rail ties hold the rails in place and ensure that their separation does not change. Modern concrete ties warp and crack through repeated use, leading to safety concerns including ...

A Kansas State University-led research project is helping high-speed rail systems handle the stress of freezing and thawing weather conditions. The university's Kyle Riding, assistant professor of ...

DENVER--(BUSINESS WIRE)--Rocla Concrete Tie, Inc. (“Rocla”), the leading producer of pre-stressed concrete railroad ties in the United States, today announced the grand opening of its new ...

A research team at the University of Illinois Urbana-Champaign has found a way to stop concrete rail ties from cracking under heavy train traffic. Led by civil and environmental engineering professor ...

The UST uses steel or concrete rails, reinforced by hundreds of high-tension wires running through the middle of the rail, suspended above the ground on towers approximately 30 m apart. Unlike roads ...

Since the implementation of the bridge rail guidance provided in AASHTO LRFD BDS Section 13 (AASHTO 2017), the landscape of roadside safety hardware testing, evaluation, and design has changed ...

Shape memory alloys are used to prevent damage to concrete rail ties in research led by Illinois Grainger Engineering professor Bassem Andrawes. The system allows for reinforcement that adapts in ...

A concrete tie deforming under the weight of rail traffic. The arrow indicates where SMAs were inserted to demonstrate adaptive reinforcement. In railroad tracks, rail ties hold the rails in place and ...