hollow masonry units
Identification code: 300014615
Hierarchy classification:
Alternative term/s
- block, hollow
- hollow block
- masonry units, hollow
- units, hollow masonry
Anotations
Scope note:
Masonry units whose net corss-sectioned area in any plane parallel to the bearing surface is less than 75% of its gross cross-sectional area measured in the same plane.
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