SPECIFICATIONS FOR CONCRETE MASONRY
Specifications governing manufacturing, testing, and use of concrete masonry units and associated materials can be found in the following ASTM Standard:
Specifications
| C55 | Concrete Building Brick |
| C73 | Calcium Silicate Face Brick (Sand Lime Brick) |
| C90 | Hollow Load-Bearing Concrete Masonry Units |
| C129 | Non-Load-Bearing Concrete Masonry Units |
| C139 | Concrete Masonry Units for Construction of Catch Basins/Manholes |
| C144 | Aggregate for Masonry Mortar |
| C145 | Solid Load-Bearing Concrete Masonry Units |
| C270 | Mortar for Unit Masonry |
| C331 | Lightweight Aggregate for Concrete Masonry Units |
| C476 | Grout for Masonry |
| C744 | Prefaced Concrete and Calcium Silicate Masonry Units |
Testing Methods
| C140 | Sampling and Testing Concrete Masonry Units |
| C426 | Drying Shrinkage of Concrete Block |
| C780 | Preconstruction and Construction Evaluation of Mortars for Plain and Reinforced Unit Masonry |
| C1019 | Sampling and Testing Grout |
| E447 | Compressive Strength of Masonry Prisms |
All of the above ASTM standards are reprinted in their entirety, in a booklet published by the National Concrete Masonry Association. The publication, appropriately called "ASTM Specifications for Concrete Masonry Units" can be obtained by contacting the:
P.O. Box 781
Herndon, VA 22070-0781
Note
Please be advised that due to the high rainfall and humidity in Florida, Type I moisture controlled units, as prescribed by ASTM C-90 are not available. Control joint spacing and location should be designed utilizing the Type II non-moisture controlled units.
Structural Design
Design of Concrete Masonry Structures and preparation of masonry specifications should be done under the guidelines of the ACI 530-88/ASCE 5-88 National Design Code and Specifications. This code was published in 1989 and represents the latest in both concrete and clay masonry building technology. ACI 530-88/ASCE 55-88 may be obtained by contacting the:
or
American Society of Civil Engineers
Local building codes may require methods of construction that
differ from the National ACI 530-88/ASCE 5-88 Code. Please note
that with rare exception, local building codes allow for a registered
Architect or Engineer to use the provisions and methods of the
National Codes in lieu of the local code requirements.
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