705.22 Non-Shrink Mortar

1. Specification:

705.22 C&MS.

2. Sampling and/or Inspection Requirements:

Only non-shrink mortar supplied by an approved Producer/Supplier may be used. To verify, refer to Approved List on the OMM website http://www.dot.state.oh.us/Divisions/ConstructionMgt/Materials/Approved-List/Pages/default.aspx.

Make 3 or more 3" by 6" cylinders from the mix being used in the keyways. Cure cylinders in the same manner as the keyway for 16 to 28 hours. Send cylinders to OMM Cement & Concrete section with a TE31 or TE10 attached to the sample.

Sample will be tested at 3, 7, and 28 days. Do not open structure to traffic until a compressive strength of 5000 psi (34.5 MPa).

3. Methods of Test:

(OMM )

ASTM C 1107

ASTM C 39; std Drw PS BD-1-93

705.22 C&MS