Standard Specification for Corrugated Steel Structural Plate, Zinc-Coated, for Field-Bolted Pipe, Pipe-Arches, and Arches
STANDARD published on 15.5.2024
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Designation standards: ASTM A761/A761M-24
Publication date standards: 15.5.2024
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: American technical standard
Category: Technical standards ASTM
This specification covers corrugated steel structural plate, zinc-coated, used in the construction of pipe, pipe-arches, arches, underpasses, and special shapes for field assembly. Appropriate fasteners and accessory materials are also described. The pipe, arches, and other shapes are generally used for drainage purposes, pedestrian and vehicular underpasses, and utility tunnels. The base steel shall be made by any of the following processes: open-hearth, basic oxygen, or electric furnace. The base metal analysis shall conform to the required chemical composition for sulfur, carbon, manganese, phosphorus, and silicon. The mechanical properties of the flat plate material prior to corrugating shall conform to the required value for yield strength, tensile strength and elongation. When specified, metal bearings for arches shall be cold-formed channels made from flat plate material while steel members for circumferential or longitudinal stiff reeners, or secondary structural components, shall be fabricated from rolled shapes or from flat plate material. Structural plates shall be fabricated from flat sheets or plates, punched for bolted lap seams and curved to the required radius. Corrugations shall form smooth continuous curves and tangents. The bolt holes shall be punched so that all plates having like dimensions, curvature, and same size and number of bolts per foot of seam shall be interchangeable. All structural plates, including fittings and cut ends, shall be zinc coated after cutting, corrugating, punching of holes, and welding.
Keywords:
corrugated steel pipe, drainage pipe, pipe—corrugated steel, steel pipe—corrugated, steel structural plate, structural plate pipe,, ICS Number Code 77.140.70 (Steel profiles)