Apr 12, 2011 · C109 is a laboratory method, but is applicable to mortar. C780 is appropriate for mortar testing for preconstruction and construction evaluation. 2-inch cube molds may be used …

Oct 29, 2008 · Unconfined compressive strength testing of 2-inch cubes has been specified to follow ASTM C 942. What is the primary difference, if any, than testing to ASTM C 109? The …

May 15, 2013 · I am trying to find out if ASTM permits the use of pad caps when breaking mortar cubes during compressive strength testing. My office recently aquired a high profile D.O.T. …

Feb 23, 2011 · As I recall (actual standard not available now), ASTM C109 is a laboratory test for measuring properties of mortar. It is done using a non-absorptive cube mold and does not …

Feb 23, 2006 · See ASTM C109, section 10.5 . You keep the specimens in the moist room for 20 to 72 hours. If removed from moulds before 24 hours, keep in moist room until 24 hours then …

Sep 25, 2008 · My contractor has decided to use Type I Cement Grout underneath the baseplates of our 5 story building rather than use non-shrink grout spec'd in our drawings conforming to …

Jun 1, 2015 · In ASTM C109 It says to use a load rate of about .35 t .70 mpa per second and we also found German/Europe standard for cubes that wants 2400Ns ± 200 which is even faster …

Mar 19, 2013 · ASTM C1260 Thread starter labboss; ... ASTM C109 vs. C780. gbkxbb; Sep 30, 2011; Concrete Engineering ...

Aug 11, 2001 · Testing Compressive Strength of High Strength Gypsum used in ASTM C617 by way of ASTM C109 . TTPJC; May 16 ...

Jul 20, 2005 · Testing Compressive Strength of High Strength Gypsum used in ASTM C617 by way of ASTM C109 . TTPJC; May 16 ...