Fire Resistance Ratings of Concrete Masonry Assemblies
INTRODUCTION Concrete masonry is widely specified for fire walls and fire barriers because concrete masonry is noncombustible, provides durable fire…
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Evaluating Existing Concrete Masonry Construction
INTRODUCTION The majority of quality control testing of concrete masonry materials is conducted on samples representative of those used in…
Segmental Retaining Wall Units
INTRODUCTION Mortarless segmental retaining walls are a natural enhancement to a variety of landscape projects. Applications range from 8 in….