ASTM A979/A979M-25

Detail information

Designation: ASTM A979/A979M-25

Publication date: 01/04/2025

Pages: 4

Country: American technical standard

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Anotation

This specification covers the minimum material requirements and describes the procedures for installing concrete pavements and linings in corrugated steel pipes and structural plate structures in the field. Concrete pavements shall be placed after the pipe has been installed. The concrete for pavements shall meet a minimum compressive strength. Concrete linings shall be placed after the pipe has been installed and backfilled to final grade. Concrete materials for pavements and linings shall consist of Portland cement, fly ash (when used), aggregates and water. The concrete mix shall be uniform and homogeneous. Pavements shall have a troweled or untroweled surface finish as specified in the contract documents. When paving or lining new pipes, damaged pipe shall be replaced or repaired in accordance with the ASTM documents referenced herein. Cleaning preparations, pavement methods, lining methods, and curing shall be followed accordingly for installing concrete pavements and linings in corrugated steel pipes.


Keywords:
concrete linings, concrete linings–corrugated steel pipe, concrete pavements, concrete pavements–corrugated steel pipe, corrugated steel pipe, pipe rehabilitation, steel structural plate,, ICS Number Code 23.040.50 (Pipes and fittings of other materials)