What is a tamping rod?

What is a tamping rod?

Tamping rods are dimensionally accurate rods used to tamp fresh concrete into concrete cylinder molds and grout sample boxes to eliminate voids and excess air.

What is the size of the hm-47 tamping rod?

They also conform to ASTM C31/31M for curing concrete specimens in the field, and in testing air content of concrete by volumetric, gravimetric, or pressure method as indicated in ASTM C173, ASTM C138, and AASHTO T 152. HM-47 Tamping Rod is 12×3/8in (305x10mm) LxDia.

What is the size of a 6×12 concrete cylinder rod?

Both models are for use in consolidating 6x12in (152x305mm) concrete cylinder specimens. These rods meet ASTM C143 and AASHTO T 119 standards when testing the workability of fresh concrete with Slump Cones.

What are Gilson tamping rods used for?

Gilson’s Tamping Rods are used in consolidation of fresh concrete specimens in test applications for slump, air content and strength in accordance with many ASTM and AASHTO standards. The stainless steel rods are corrosion-resistant, with hemispherical tips at both ends. They come in varying lengths and diameters and are available in four models.