BS 1881 -109 : Part 109: Method for making test beams from fresh concrete
Scope This Part of this British Standard describes a method for making test beams of nominal sizes 150 mm × 150 mm × 750 mm long and 100 mm × 100 mm × 500 mm long out of fresh concrete. The method applies to plain and air-entrained concrete made with lightweight, normal weight and heavy …
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