American Society for Testing and Materials (ASTM). Current edition approved May 1, 2005. Published May 2005. Originally approved in 1999. Last previous edition approved in 1999 as C 1435 – 99. 5 p. This practice covers molding cylindrical test specimens from concrete when the standard procedures of rodding and internal vibration, as described in Practice C 31/C 31M and Practice C 1176, are not practicable. This practice is applicable to freshly-mixed concrete, prepared in the laboratory and the field