条件の異なるコンクリートの音速と動弾性係数との関係 : 非破壊試験による構造体コンクリートの品質検査法の総合的検討 (その2)

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This paper describes the relationship between ultrasonic pulse velocity and dynamic modulus of elasticity of concrete in a number of measurements obtained from the laboratory tests, the experiments of full-scaled model structures and the investigations of existing buildings. It was found there was a fairly good correlation, which appears to be univocal, between them. Influences of materials, mix proportions, strength levels, ages and moisture conditions on the relationships were very small. The regression equation of the correlation is proposed as an estimation equation for the dynamic modulus of elasticity of concrete in structures from measurements of ultrasonic pulse velocity.
社団法人日本建築学会の論文
2000-01-30