· ASTM C 31M PDF. Ap admin. This practice covers procedures for making and curing cylinder and beam specimens from representative samples of fresh concrete for a construction project. C 31/C 31M Practice for Making and Curing Concrete Test 1 This test method is under the jurisdiction of ASTM Committee C09 on. topfind247.co: Dogal Yokree. Initial curing for 24 hours - Within limits of ASTM C31 Condition Relative Strength (day) Cement A Cement B 60°F in water % ( psi) % ( psi) 60°F in air 92% 97% 80°F in water 89% 93% 80°F in air 81% 88% NRMCA study: Meininger, ASTM Cement Concrete Aggregates, Average Effect: Water vs. Air +% 60°F vs. 80°F +%. Designation: C31/C31M −19 Standard Practice for Making and Curing Concrete Test Specimens in the Field1 This standard is issued under the fixed designation C31/C31M; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last topfind247.co Size: KB.
ASTM CC31M - 08b - Free download as PDF File .pdf), Text File .txt) or read online for free. Scribd is the world's largest social reading and publishing site. Open navigation menu. Humboldt Concrete Air Meter. 1. H Dial Thermometer, Pocket-Type: Range 25 to °F with 1°F divisions. 1. Choose One: HPML. Plastic, Single-Use Cylinder Mold Concrete Cylinder Molds, 4" x 8" ( x mm), Carton of HPML. ASTM C31 is typically required by specifying agencies to prove product strength conformance, whereas ASTM C is typically used to validate a concrete mix design. NPCA Plant Certification, often a requirement for precasters, specifies ASTM C31 in section Practice C31 is to be used for concrete having a measurable slump.
with ASTM C31, “Standard Practices For Making and Curing Test Specimens In The Field”. ASTM C31 requires that a certified ACI Field Testing Grade I technician or equivalent shall make test specimens in the field. When making cylinders, the technician must test the fresh concrete for temperature, unit weight, air content and slump. ASTM C31/C31Ma Standard Practice for Making and Curing Concrete Test Specimens in the Field. standard by ASTM International, 05/15/ View all product details. Initial curing for 24 hours - Within limits of ASTM C31 Condition Relative Strength (day) Cement A Cement B 60°F in water % ( psi) % ( psi) 60°F in air 92% 97% 80°F in water 89% 93% 80°F in air 81% 88% NRMCA study: Meininger, ASTM Cement Concrete Aggregates, Average Effect: Water vs. Air +% 60°F vs. 80°F +%.
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