MASONRY BLOCKS AND MASONRY CONCRETE ADMIXTURE FOR IMPROVED FREEZE-THAW DURABILITY

摘要

A masonry concrete, for use in making segmental retaining wall units,payers, blocks, and the like, having zero slump and incorporating betaine forimproving freeze-thaw durability, and optionally efflorescent control agentsand/orwater reducer agents. Exemplary admixtures and methods of improving thefreezethawdurability of masonry units are also disclosed.