The paper reports on a research program that was designed at the American University of Beirut (AUB) to investigate the fresh and hardened mechanical properties of a high performance concrete mix produced with partial or full substitution of crushed natural lime-stone aggregates with recycled aggregates from crushed tested cylinders in batching plants. Choosing crushed cylinders as so... https://www.ngetikin.com/hot-mega-Ventilationstejp-50-mm-Fresh-flash-find/