ASTM A964/A964M-23

Detailinformationen

Bezeichnung: ASTM A964/A964M-23

Ausgabedatum: 01.04.2023

Seiten: 12

Land: Amerikanische technische Norm

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Annotation

This specification covers standard requirements for material, geometric, and wall section properties of steel box culverts manufactured from corrugated plate or sheet, with or without attached stiffeners, for field assembly. Appropriate fasteners and optional materials such as steel invert plates and headwalls are also described. Applications for steel box culverts include conduits for gravity flow drainage of surface water such as culverts and storm drains, as well as for small bridges and grade separation structures such as pedestrian or vehicular underpasses, and utility tunnels. Material standards shall not include requirements for foundations, backfill, or the relationship between earth cover or live loads and strength requirements. Manufactured steel box culverts shall not include requirements for the hydraulic design of these structures. Steel box culverts shall be classified in five types: Type I, II, III, IV and V. The required design properties shall be determined for the crown and haunch segments of the box culvert and shall conform to the geometric dimensional limits. The corrugated plate material utilized for the shells of Type I, II, III, and IV box culverts shall be fabricated from steel sheet or plate conforming to the chemical, mechanical, thickness, shape, and coating requirements. Sampling and testing of corrugated plate material shall be conducted and shall conform to the required chemical composition, mechanical properties and coating weight.


Keywords:
bridge, box culvert, corrugated structural plate, culvert, galvanized steel, grade separation, low cover structure, low profile structure, storm sewer,, ICS Number Code 93.030 (External sewerage systems)