Sampling and Testing Concrete Masonry Units
INTRODUCTION Standards for sampling and testing concrete masonry units are developed by the technical committees of ASTM International in accordance…
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Modular Layout of Concrete Masonry
INTRODUCTION Although concrete masonry structures can be constructed using virtually any layout dimension, for maximum construction efficiency and economy, concrete…
Segmental Retaining Wall Units
INTRODUCTION Mortarless segmental retaining walls are a natural enhancement to a variety of landscape projects. Applications range from 8 in….