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Nov 6, 2024 · Roads & Bridges reports on the road and bridge construction industry in North America with news, application-based features, and expert analysis that cover a range of topics including design, technology, maintenance, materials, and equipment for an audience of engineers, contractors, and government employees from …
The engineering behind the Hoover Dam and its bypass
Oct 31, 2019 · The Hoover Dam Bypass is designed and constructed to last for more than 100 years. To accomplish this, the bridge was engineered to accommodate the normal expansion and contraction of concrete due to factors including temperature and weather changes, vehicular weight and movement. Watson Bowman Acme bridge expansion joints are integral part to ...
Understanding AASHTO LRFD Bridge Design Specs for cast-in …
Sep 19, 2018 · Cast-in-place and post-installed anchor systems have been used extensively in highway construction projects for many years for applications such as bridge girder connections, seismic retro-fit and strengthening, precast concrete member attachments, and attachments of light poles, signs, guard rails, and pedestrian fencing.
Trinity Highway Products | Roads and Bridges
Sep 1, 2021 · More Info on Valtir, LLC. Valtir has been an industry leader and global supplier of highway safety products for over 50 years. Our core roadway product lines include guardrail, end terminals, cable and steel longitudinal barriers, crash cushions, truck and trailer-mounted attenuators, water-filled barricades, sign supports, and delineators.
Hanson Pipe & Precast, Inc. | Roads and Bridges
Hanson Pipe & Precast is the largest manufacturer of concrete pipe and precast in North America, with more than 150 facilities in 26 states and Ontario, Canada. Hanson Pipe & Precast, a division of Hanson Building Products North America, is a sophisticated, diversified manufacturer of concrete pipe ...
The Past, Present, and Future of Concrete | Roads and Bridges
Jan 1, 2024 · The Science Behind Sustainable Concrete Sealing Solutions. Extend the lifespan and durability of any concrete. PoreShield is a USDA BioPreferred product and is approved for residential, commercial, and industrial use. It works great above...
Developing Pavement Management Systems | Roads and Bridges
Sep 5, 2023 · The Infrastructure Insider newsletter provides news and information on the current infrastructure markets, focusing on transportation, water, broadband, energy, and power. This bi-monthly newsletter reaches 50,000 engaged readers within these markets. Infrastructure is our Core. A step-by step guide for small and mid-size municipalities.
Bridge Safety in Five Steps | Roads and Bridges
May 31, 2023 · Timeliness. The updated regulations clarify required timeframes for various activities associated with bridge inspections. Whereas the prior regulation required initial inspections of newly constructed or replaced bridges within 90 days for state-owned bridges and 180 days for all others, the updated regulations now require initial inspections for each new, replaced, rehabilitated, and ...
NTSB issues final report on FIU bridge collapse, makes safety ...
Nov 19, 2019 · The National Transportation Safety Board (NTSB) recently released its final report on the Florida International University (FIU) pedestrian bridge collapse that took place in March 2018.. The report reiterates what the NTSB already announced in a recent public meeting about the determined cause of the bridge's collapse, along with safety recommendations from the agency to the Federal Highway ...
Rehabilitating Concrete - Roads and Bridges
Aug 13, 2023 · Strategies to keep our roads nice and smooth. Full-depth asphalt repairs will work like an expansion joint, allowing the concrete pavement to expand on either side of the patch and allowing the joints in nearby areas to move and fill with additional incompressible material, resulting in a cycle of damage.