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BS 1881-203:1986
Superseded
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Testing concrete Recommendations for measurement of velocity of ultrasonic pulses in concrete
Hardcopy , PDF
13-10-2004
English
29-08-1986
Foreword
Committees responsible
Recommendations
1 Scope
2 Definitions
3 Applications
4 Principle
5 Measuring apparatus
6 Determination of pulse velocity
7 Factors influencing pulse velocity measurements
8 Determination of concrete uniformity
9 Detection of defects
10 Determination of changes in concrete properties
11 Correlation of pulse velocity and strength
12 Determination of the module of elasticity and
dynamic Poisson's ratio
13 Report
Appendix
A Bibliography
Tables
1 Effect of temperature on pulse transmission
2 Effect of specimen dimensions on pulse transmission
3 Values of dynamic Poisson's ratio
4 Empirical relationship between static and dynamic
moduli of elasticity and pulse velocity
Figures
1 Methods of propagating and receiving ultrasonic
pulses
2 Pulse velocity determination by indirect (surface)
transmission
3 Influence of steel reinforcement on pulse velocity:
bar parallel to pulse path
4 Influence of steel reinforcement on pulse velocity:
correction factors for bars parallel to pulse path
5 Influence of steel reinforcement on pulse velocity:
bars normal to pulse path
6 Arrangement for determination of crack depth
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