Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Page 14 Page 15 Page 16 Page 17 Page 18 Page 19 Page 20 Page 21 Page 22 Page 23 Page 24 Page 252 0 1 5 A N N U A L R E P O R T N AT I O N A L C O N C R E T E M A S O N R Y A S S O C I AT I O N 1 3 W E R E S E A R C H linear drying shrinkage mortar and grout evaluations water repellency evaluations spray bar and water uptake The lab expanded is capabilities this year by acquiring a new environment chamber for freeze-thaw testing in accordance with ASTM C666 Standard Test Method for the resistance of concrete to rapid freezing and thawing. This chamber is used for evaluating manufactured stone veneer for durability as well as a Foundation-sponsored project on comparing durability of dry-cast and wet-cast products for retaining wall applications. For Members and the Industry The NCMA Research and Development Laboratory continues to provide testing services for clients and provides industry-sponsored research as well. The Laboratory maintains accreditation to ISOIEC 170252005 through the International Accreditation Service. In 2015 the lab managed more than 360 individual projects for members and the industry. The most common tests performed were compressive strength absorption density freeze-thaw