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A reinforced concrete column is a structural member designed to carry compressive loads, composed of concrete with an embedded steel frame to provide reinforcement. For design purposes, the columns are separated into two categories: short columns and slender columns.
The G-506 trucks, 1 + 1 ⁄ 2-ton, 4x4, produced as the Chevrolet G7100 (and originally G4100) models, were a series of (light) medium four wheel drive trucks used by the United States Army and its allies during and after World War II. This series came in standard cargo, as well as many specialist type bodies.
The fourth-generation C/K pickup trucks were marketed by the Chevrolet and GMC divisions of General Motors. Offered in 1500 (1 ⁄ 2-ton), 2500 (3 ⁄ 4-ton), and 3500 (1-ton) payload series, the C/K pickup trucks were sold in two-door standard cab, two- or three-door extended cab, and four-door crew cab configurations. In total, six wheelbases ...
The now-imprecise ton rating has continued since the post World War II era to compare standard sizes, rather than actual capacities. [25] [26] In 1975, a change in U.S. emission laws required any vehicle under 6000 pounds GVWR to burn unleaded fuel. U.S. pickup truck manufacturers responded with a "heavy half" pickup of over 6000 pounds GVWR. [23]
1961 Chevrolet Apache C10. The first-generation C/K trucks are built using body-on-frame construction. Diverging from light truck design precedent, the C/K ended its use of straight frame rails, adopting a drop-center design; 1 ⁄ 2-ton and 3 ⁄ 4-ton trucks used a hybrid of an X-frame and perimeter-frame layout, while 1-ton trucks used a drop-center ladder frame.
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In 1950 the next generation of tactical trucks were being developed. Sizes were rationalized, with 1 ⁄ 4 and 3 ⁄ 4-ton 4x4s and 2 + 1 ⁄ 2, 5, and 10-ton 6x6s. Trucks were military standard designs, 6x6 trucks used common cabs and similar fender and hood styles. [14]
Grade beam. A grade beam or grade beam footing is a component of a building's foundation. It consists of a reinforced concrete beam that transmits the load from a bearing wall into spaced foundations such as pile caps or caissons. [1] It is used in conditions where the surface soil's load-bearing capacity is less than the anticipated design loads.