Ultrasonic Pulse Velocity Testing
Ultrasonic Pulse Velocity Testing is non destructive technique which is used to check the quality of Concrete, In this method of testing we identify internal cracks, voids, strength and compaction quality of the concrete structure.
In this method we find out the velocity of pulse inside the concrete.
The higher velocity shows the good quality and lower velocity shows the bad quality of Concrete.
Velocity can be calculated by formula:-
(V) = Distance b/w trns. & rcvr. (L) / Reading of machine or time take by pulse (t)
There are three methods of Ultrasonic pulse velocity technique.
1:- Direct Method
2:- Semi Direct Method
3:- Indirect Method
1:- Direct Method:- This method is more relaibale and accurate. In this method we place the tansducer on one end and on other end we place the receiver.
As shown in Image:-
2:- Semi Direct Method:- This method is not as accurate as direct Method, In this method we place transducer and receiver inclined surface( At an angle).
As shown in Image:-
3:- Indirect Method:- This method is least accurate method of testing, In this method we place transducer and receiver on the same surface.
As shown in Image:-
In this method we find out the velocity of pulse inside the concrete.
The higher velocity shows the good quality and lower velocity shows the bad quality of Concrete.
Velocity can be calculated by formula:-
(V) = Distance b/w trns. & rcvr. (L) / Reading of machine or time take by pulse (t)
There are three methods of Ultrasonic pulse velocity technique.
1:- Direct Method
2:- Semi Direct Method
3:- Indirect Method
1:- Direct Method:- This method is more relaibale and accurate. In this method we place the tansducer on one end and on other end we place the receiver.
As shown in Image:-
2:- Semi Direct Method:- This method is not as accurate as direct Method, In this method we place transducer and receiver inclined surface( At an angle).
As shown in Image:-
3:- Indirect Method:- This method is least accurate method of testing, In this method we place transducer and receiver on the same surface.
As shown in Image:-
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ReplyDeleteultrasonic pulse velocity test is performed on concrete to assess the quality of concrete by passing ultrasonic pulse velocity through it as per IS: 13311 (Part 1) – 1992.
Thanks for good information of Ultrasonic Pulse Velocity Testing
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