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Lift slab construction (also called the Youtz-Slick Method) is a method of constructing concrete buildings by casting the floor or roof slab on top of the previous slab and then raising (jacking) the slab up with hydraulic jacks. This method of construction allows for a large portion of the work to be completed at ground level, negating the ...
To accommodate the excess forces, the design called for expensive, high-strength concrete and steel to support the bridge. Because of the high cost of materials and construction of such a span, the design of the arch was revised to a 6.6:1 span-to-rise ratio, making the main arch taller and decreasing its length from 480 ft (150 m) to 400 ft ...
Minimum design speed: A minimum design speed of 70 mph (113 km/h) is to be used, except in mountainous and urban areas, where the minimum is 50 mph (80 km/h). [ 4 ] The sight distance , curvature and superelevation of the highway should follow the current edition of AASHTO's A Policy on Geometric Design of Highways and Streets for the chosen ...
To meet and exceed current traffic needs, the project replaced three of the four cloverleaf ramps at I-270 with two flyover ramps and one "fly under" tunnel, reconfigured the Sunbury Road exit into a modified single-point urban interchange (SPUI), and add through lanes for both I-270 and SR-161. [26] [27] The project was completed in the fall ...
Three Nationwide Plaza is the 10th tallest building in Columbus. Construction on the building finished in December 1988. The architect responsible was the NBBJ Group and the building design follows a postmodern style. The building was constructed for approximately $89 million and the main materials used were glass, steel, and precast concrete ...
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