Is Code A UPV test? The Ultrasonic 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.
Is Code A UPV test?
The Ultrasonic 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. The method consists of measuring the time of travel of an ultrasonic pulse passing through the concrete.
Is code rebound hammer test?
For example, if the load-carrying capacity of structural ensemble is to be assessed, carrying out a full-scale load test 8s per IS 456 : 1978 ‘Code of practice for plain and reinforced concrete ( third revision )’ or IS 1343′: 1980 ‘Code of practice for prestressed concrete (first revision )’ is the most direct way; on …
Which is code is used for Ultrasonic pulse velocity test?
Regulation and standards From 2018, procedure and specification for Ultrasonic pulse velocity test is outlined in IS 516 Part 5:Non destructive testing of concrete Section 1:Ultrasonic Pulse Velocity Testing. This test indicates the quality of workmanship and to find the cracks and defects in concrete.
What is hammer test?
1. A non-destructive technique used to determine the compressive strength, surface hardness and penetration resistance of reinforced concrete and masonry structures by measuring the rebound of a spring-loaded mass impacting against the surface of the sample. The hammer hits the surface at a defined energy.
What is velocity in ultrasonic testing?
Ultrasonic testing The sound velocity of a shear wave in a given material is usually one-half of a longitudinal wave and about 1.1 times that of a surface wave. The frequency of ultrasound used for testing is usually between 1 and 6 MHz. Most common frequency for weld inspection is 2.25 MHz.
What is the principle of rebound hammer test?
Principle: When the plunger of rebound hammer is pressed against the surface of the concrete, the spring- controlled mass rebounds and the extent of such rebound depends upon the surface hardness of concrete.
Is the rebound hammer test accurate?
04. The rebound hammer test results obtained by the test are not perfectly accurate and hence not conclusive. 05. They are suggestive only and are used for making the comparative study of different elements in one particular structure.