Research and Development BulletinPortland Cement Association., 1971 - Cement |
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Common terms and phrases
aggregate alloy steel bars assumed ASTM Beam 73 Beam 85 bearing plate Bonded cables calculated capacities and deflections concrete cover conduit creep strains crete curvature end of test Equation fire endurances Fire Resistance fire tests flange flexural cracks ft-kips Grade 60 bars grout high temperatures high-strength alloy bars Hr Fig imposed strains lightweight concrete MCR's mesh Midspan deflections midspan region modulus of elasticity normal weight concrete PCA Research Department Portland Cement Post post-tensioned cold-drawn wire post-tensioned reinforcement Prestressed Concrete Beams prestressing steel PRESTRESSING STRAINS pretensioned strand reinforcing bars Research Department Bulletin Resistance of Prestressed shown in Fig simply supported soffit spalling occurred specimens steel and concrete steel temperature strain compatibility Strain Scale Strains Stresses stress-strain relationships temperature history tensile strength Test duration thermal and creep thermal expansion thermal strains thermocouples tion ture ultimate capacity ultimate moment capacity Wedge Anchor