Hamilton Mayer International

Steel-concrete composite bridges: Strength, efficiency, and versatility in modern infrastructure. Steel-concrete composite bridges combine the strengths of both materials for optimal performance. Steel beams or girders handle tensile forces, while concrete provides compressive strength, creating a durable and efficient structure. These bridges are ideal for long spans due to steel's ability to cover wide distances, while concrete adds weight and stability. They are also cost-effective, requiring less maintenance over time and enabling faster construction with prefabricated elements. The blend of steel and concrete offers flexibility in design, enhancing the bridge's aesthetic appeal. Additionally, composite bridges reduce environmental impact by efficiently utilizing materials and energy. Their versatility makes them suitable for highways, railways, and pedestrian crossings. video rights : Respective owners DM for removal/credits #bridges #bridgeconstruction #bridgedesign #construction #civilengineering #civilengineer #construction #engenhariacivil #engenharia #civilconstruction #engeheiro #engenheirocivil #ingeniero #ingenierocivil

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This week, we're celebrating the 60th anniversary of the Verrazzano-Narrows Bridge, which has served as a vital link connecting Staten Island and Brooklyn since Nov. 21, 1964. When it opened, it was the world’s largest suspension span and today, remains the longest suspension bridge in North America at a total 9,865 feet between abutments. Designed by renowned civil engineer Othman Amman, the bridge carries more than 1,600 MTA buses every weekday and carried over 80 million vehicles in 2023. Here are some historic photos of the iconic bridge! -- Photo Information: Photo 1: Opening day motorcade crosses the Verrazzano-Narrows Bridge on November 21, 1964 Photo 2: The first car to cross over the Verrazzano-Narrows Bridge. George Scarpelli and his six passengers drove a Cadillac and wore rented tuxedos. Photo 3: Ship passing under cables on September 25, 1963, Photo by Paul Rubenstein for Lenox Studios Photo 4: Groundbreaking Ceremony on August 13, 1959, Photo from Port Authority Photo 5: Men installing iron guard frames over cable on November 17, 1964, Photo by Paul Rubenstein for Lenox Studios Photo 6: Cable squeezing apparatus on Brooklyn side span cable "A". September 12, 1963. Photo by Paul Rubenstein for Lenox Studios Photo 7: Floor truss unit erected, Photo by Paul Rubenstein for Lenox Studios Photo 8: Poster for the 22nd Annual New York City Marathon, held November 3, 1991.