This publication provides introductory technical guidance for civil engineers, structural engineers and other professional engineers and construction managers interested in design and construction of buildings and infrastructure using special concretes. Here is what is discussed: 1. GENERAL, 2. PREPLACED-AGGREGATE CONCRETE, 3. UNDERWATER CONCRETE, 4. BLOCKOUT CONCRETE, 5. HIGH-STRENGTH CONCRETE, 6. PUMPED CONCRETE, 7. FIBER-REINFORCED CONCRETE, 8. POROUS CONCRETE, 9. FLOWING CONCRETE, 10. SILICA-FUME CONCRETE