UNI EN 12504-4 : 2005
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
TESTING CONCRETE - PART 4: DETERMINATION OF ULTRASONIC PULSE VELOCITY
01-08-2022
01-01-2005
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Method
5 Apparatus
5.1 General
5.2 Performance requirements
5.3 Transducers
5.4 Apparatus for determination of arrival time of the pulse
6 Procedures
6.1 Determination of Pulse Velocity
7 Expression of result
8 Test report
9 Precision
Annex A (informative) Determination of pulse velocity
- indirect transmission
Annex B (informative) Factors influencing pulse velocity
measurements
B.1 General
B.2 Moisture content
B.3 Temperature of the concrete
B.4 Path length
B.5 Shape and size of specimen
B.6 Effect of reinforcing bars
B.7 Cracks and voids
Annex C (informative) Correlation of pulse velocity and
strength
C.1 General
C.2 Correlation using moulded specimens
C.3 Correlation by tests on cores
C.4 Correlation with the strength of precast units
Bibliography
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