ASTM C 1040 - 05 Standard Test Methods for In-Place Density of Unhardened and Hardened Concrete, Including Roller Compacted Concrete, By Nuclear Methods

American Society for Testing and Materials (ASTM). Current edition approved July 1, 2005. Published August 2005. Originally approved in 1985. Last previous edition approved in 2000 as C 1040 – 00. 5 p. These test methods cover the determination of the in-place density of unhardened and hardened concrete, including roller compacted concrete, by gamma radiation. For notes on the nuclear test see Appendix X1.