Standard Specification for Molds for Forming Concrete Test Cylinders Vertically
STANDARD published on 1.6.2023
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Designation standards: ASTM C470/C470M-23
Publication date standards: 1.6.2023
The number of pages: 5
Approximate weight : 15 g (0.03 lbs)
Country: American technical standard
Category: Technical standards ASTM
This specification deals with molds for forming concrete test cylinders vertically. Molds shall be constructed in the form of right circular cylinders and have a nominal inside height equal to twice the nominal inside diameter. The following are types of molds covered: reusable molds and single-use molds. Reusable molds shall be made of nonabsorptive materials and shall be tested for water leakage. Single-use molds may be made of sheet metal, plastic, suitably treated paper products, or other materials. These materials shall conform to the following requirements: water leakage, absorptivity, and elongation. The following are additional requirements for the types of single-use molds: plastic mold—wall thickness, bottom design, and material; paper molds—side walls, bottom caps, and waterproofing; and sheet metal molds—metal thickness, bottom design, top edge, and coating. Test for elongation, absorption, and water leakage shall also be performed.
Keywords:
concrete, molds, test cylinders ,, ICS Number Code 91.100.30 (Concrete and concrete products)