Standard Specification for Precast Reinforced Concrete Crib Wall Members
NORMA vydaná dňa 1.7.2018
Označenie normy: ASTM C915-79(2018)
Dátum vydania normy: 1.7.2018
Počet strán: 6
Približná hmotnosť: 18 g (0.04 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
This specification covers open- and closed-face precast reinforced concrete crib wall members for earth-retaining structures or protection against stream encroachment. The concrete crib wall shall conform to the dimensions prescribed in this specification. Manufacturing materials shall include portland cement, aggregates, chemical admixtures, water, and steel reinforcement. Manufacturing shall conform to the procedures which include mixing, reinforcement-concrete placing, forming, curing, cleaning, oiling, and finishing. Compression tests shall be made on standard concrete cylinders and shall conform to the design strength indicated in this specification.
Keywords:
ICS Number Code 91.100.30 (Concrete and concrete products)