Robert L. Nelson
Robert L. Nelson is President of Robert L. Nelson & Associates, Inc. Construction Materials Laboratory.
3 articles by Robert L. Nelson:
The American Society for Testing and Materials (ASTM) has developed two distinct standards for testing masonry mortars: ASTM C 270 and ASTM C 780. Full story
The ASTM symposium, Masonry: Materials, Testing, and Applications, will be held on December 9, 1998, at the Opryland Hotel in Nashville, Tenn. Full story