Feb 02, 20 ultrasonic pulse velocity test it measures the time of travel of an ultrasonic pulse passing through the concrete. The apparatus for ultrasonic pulse velocity measurement shall consist of the following. Abstractultrasonic pulse velocity test is one of the best known techniques which can be used for the measurement of concrete uniformity, its elastic modulus, layer thickness and presence of honeycombing in concrete. Ultrasonic velocity an overview sciencedirect topics.
Non destructive testing of structures linkedin slideshare. For the love of physics walter lewin may 16, 2011 duration. The pundit 250 array is a modular phased array pulse echo instrument incorporating drypoint contact transducers. Pdf ultrasonic pulse velocity in concrete using direct. Presently available test equipment limits path lengths to approximately 50mm minimum and 15m maximum, depending, in part. Principle of test the method consists of measuring the time of travel of an ultrasonic pulse passing through the concrete being tested. Sep 20, 2014 ultrasonic pulse velocity test this test is done to assess the quality of concrete by ultrasonic pulse velocity method as per is. In addition to physical deterioration of the concrete structure is. Pundit ultrasonic pulse velocity, ultrasonic pulse echo. The pundit pl200pe employs stateoftheart pulse echo technology to extend the ultrasonic application to objects where access is restricted to a single side. Ultrasonic testing is one of the nondestructive test method based on the transmission of the ultrasonic pulse in the component or materials like concrete, steel, etc.
The test can also be used to evaluate the effectiveness of crack repair. The ultrasonic pulse velocity test is performed on concrete to asses the quality of concrete by passing ultrasonic pulse velocity through it as per is. Nondestructive testing of concrete methods of test. Pdf concrete is a basic material used for the great amount of engineering projects. The ultrasonic pulse in this instance is a pwave or compression wave.
Nov 11, 2019 the ultrasonic pulse velocity test is performed on concrete to asses the quality of concrete by passing ultrasonic pulse velocity through it as per is. Keywords direct, indirect, semidirect, ultrasonic waves, velocity. The test procedure has been standardized as standard test method for pulse velocity through concrete astm c 597, 2016. Influence of test conditions the pulse velocity in concrete may be influenced by any or all of the following. The apparatus for ultrasonic pulse velocity measurement consists of the following. Ultrasonic testing procedure for concrete structure. Method of nondestructive testing of concret, part 1. The tests begin when an ultrasonic pulse is generated and transmitted for an electro.
Comparatively higher velocity is obtained when concrete quality is good in terms of density, uniformity, homogeneity etc. Evaluation of engineering properties of rock using ultrasonic. Ultrasonic tests ultrasonic pulse velocity upv method is particularly effective, powerful and flexible, allowing indepth analysis of material homogeneity. It features unique real time bscans as well as onsite cscans, pscans and volume scans. Ultrasonic pulse velocity test of concrete properties as. The concrete specimens were immersed in water for 90. Experimental evaluation of cracks in concrete by ultrasonic.
The ultrasonic testing method is based on the use of equipment composed of transducers which. Ultrasonic testing is known as ut or ultrasonic pulse velocity test or upv test. Ultrasonic testing of concrete fprimec solutions inc. Procedure to determine strength of hardened concrete by ultrasonic pulse velocity. The transparency measurements figure 3and 4 of longitudinal sound waves through a member. Standard test method for laboratory determination of pulse.
An experimental study is conducted to compare direct, indirect and semidirect ultrasonic pulse velocity upv measurements on a total of 30 concrete blocks 30. The ultrasonic testing method is based on the use of equipment composed of transducers which produce and receive the. Introduction ultrasonic measurements are used in structural engineering to determine material properties, detect defects. Water content and temperature effect on ultrasonic pulse. Ultrasonic pulse velocity test this test is done to assess the quality of concrete by ultrasonic pulse velocity method as per is. Ultrasonic pulse velocity method civil engineering. Ultrasonic pulse velocity as stated earlier this is one of the most popular techniques used for the detection of flaws in a specimen. This test is done to assess the quality of concrete by ultrasonic pulse velocity method as per is. The quality of the concrete in relation to standard. Ultrasonic pulse velocity method civil engineering portal. It is the most widely used method because there is maximum pulse energy which is transmitted and received so this is.
Pdf ultrasonic pulse velocity analysis in concrete specimens. Nondestructive test has been applied to measure damage in structures. Ultrasonic pulse velocity test on concrete civiconcepts. Because the velocity of the pulses is almost independent of the geometry of the material through which they pass and depends only on its elastic properties, pulse velocity method is a convenient technique for investigating structural concrete. To assess the quality of concrete by ultrasonic pulse velocity method as per is. The variation between the measured transit times of single test specimens should be within % of the mean value of the three measurements. Ultrasonic pulse velocity upv test instrument to examine the quality of concrete to en125044, astm c 59702, bs 1881 part 203, iso19207. Ultrasonic pulse velocity tester, concrete testing equipment. It is possible to determine concrete uniformity, to control its quality, to follow up the deterioration, to check the presence of. In summary, ultrasonic pulse velocity tests have a great potential for concrete control, particularly for establishing uniformity and detecting cracks or defects. In this method, the time required to travel of an ultrasonic pulse passing through the concrete is measured. What is ultrasonic testing of concrete for compressive. It can also be connected to an oscilloscope and can perform transit time measurement from 0. What is the laying and jointing procedure of concrete pipes.
Ultrasonic pulse velocity testing in its most basic mode is called time of flight. M chandra kishen 2,b 1department of civil engineering, indian institute of technology kharagpur, kharagpur, india 2department of civil engineering, indian institute of science, bangalore 560012, india asrikalyan. Ultrasonic pulse velocity method of non destructive test of. Comparison between different methods of ultrasonic pulse. The transmitter and receiver are placed on the two opposite faces of the element to test. The underlying principle of this test is the method consists of measuring the time of travel of an ultrasonic pulse passing through the concrete being tested. The presence of cracks, voids and other imperfections. In this test, the strength and quality of concrete or rock is assessed by measuring the velocity of an ultrasonic pulse passing through a concrete structure or natural rock formation. Ultrasonic wave propagation characteristics that can be used for these purposes are. A series of tests were performed to examine the relationship between water content and upv of concrete with different aggregate mixture proportions. During the test, the transducer held in contact with one surface of concrete and it traverse a known path length q in the concrete and then an electrical signal passed the second transducer held in contact with the other surface of the concrete member and the transit time t of the pulse to be measured.
Ultrasonic pulse velocity testing, ultrasonic pulse. Refer to astm d 2845 standard test method for laboratory determination of pulse velocities and ultrasonic elastic constants of rock. Astm c597 16 standard test method for pulse velocity. The ultrasonic pulse velocity method could be used to establish. Ultrasonic pulse velocity upy test on concrete under compression. This refers to timing the arrival of an ultrasonic pulse from one transducer to another through a solid medium. Ultrasonic pulse velocity test of concrete youtube. The presence of cracks,voids and other imperfections, 3. In addition to physical deterioration of the concrete structure is also access by upv test. Pdf ultrasonic pulse velocity evaluation of cementitious materials. See ultrasonic pulse analyser pulsonic model 58e4900 with incorporated oscilloscope, suitable for determining the dynamic modulus of elasticity, the measurement of the attenuation of the transmitted energy, the spectrum analysis by fft method, the concrete strength evaluation combining the pulse velocity with the rebound number of the concrete. The elastic moduli are calculated from the velocity measurements. Pdf ultrasonic pulse velocity in concrete using direct and.
The ultrasonic pulse velocity test 359 mean pulse velocity and mean strength obtained from each set of three nominally identical test specimens provide the data to construct the calibration curve. What is ultrasonic testing of concrete for compressive strength. Introduction ultrasonic pulse velocity test is used to evaluate the material properties, to detect defects on the concrete structures. A procedure for ultrasonic testing is outlined in astm c597 09. Ultrasonic pulse velocity test consists of measuring travel time, t of ultrasonic pulse of 50 to 54 khz, produced by an electroacoustical transducer, held in contact with one surface of the concrete member under test and receiving the same by a similar transducer in contact with the surface at the other end. Ultrasonic pulse velocity in concrete using direct and indirect transmission. The method consists of measuring the time of travel of an ultrasonic pulse passing through the concrete being tested. Apr, 2017 ultrasonic testing of concrete is an effective way for quality assessment and uniformity, and crack depth estimation. In this method, the time required to travel of an ultrasonic pulse. Ultrasonic pulse velocity tester, concrete testing. Ultrasonic pulse velocityecho testing of concrete, rock, wood and ceramics with pundit pl200pe.
Crosssectionalareaof thesample failureload ucsmpa 2 2. In addition, radiographic, radiometric, nuclear, magnetic. Review of the ultrasonic pulse velocity evaluating concrete. The ucs of the test sample is calculated by the following formula. In this paper, water content and temperature effect on the ultrasonic pulse velocity upv of concrete was investigated. There are three methods adopted for ultrasonic pulse velocity testing on. Changes in the structure of the concrete which may occur with time, 4. It also allows nonstandard transducers up to 500 khz to be used with pundit lab. Ultrasonic pulse velocity method of non destructive test. Cube test specimens were made of concrete with watercement ratio of 0. Scribd is the worlds largest social reading and publishing site. The ultrasonic testing method is based on the use of equipment composed of transducers which produce and receive the ultrasonic wave of 0. In the ultrasonic pulse velocity test method, an ultrasonic wave pulse through concrete is created at a point on the surface of the test object, and the time of its travel from that point to another is measured. Application of ultrasonic pulse velocity to detect.
This laboratory manual of nondestructive testing for concrete structure will be used in. Ultrasonic pulse velocity in concrete using direct and. Pundit pd8000, the wireless inspection solution with multichannel ultrasonic pulse echo technology, brings onsite structural concrete. Knowing the distance between the two points, the velocity of the wave pulse can be determined. Shamshad ahmad determination of pulse velocity requires measurement of the transit time using the upv equipment with an accuracy of 0. Evaluation of engineering properties of rock using. A two stage procedure for assessment of in situ concrete strength using. A test procedure to determine indirect wave velocities was refined by defining the spacing of the transducers. Apr 21, 2018 the ultrasonic pulse is produced by the transducer. In this test, the strength and quality of concrete or rock is assessed by measuring the velocity of an ultrasonic pulse passing through a. The ultrasonic pulse is generated by an electro acoustical transducer. The ultrasonic pulse is produced by the transducer.
Feb 07, 2014 ultrasonic pulse velocityecho testing of concrete, rock, wood and ceramics with pundit pl200pe. The pundit pl200 is a bestinclass ultrasonic pulse velocity upv test instrument to examine the quality of concrete and other materials such as rock, wood and ceramics. Ultrasonic pulse velocity testing services at present the ultrasonic pulse velocity method is the only one of this type that shows potential for testing concrete strength in situ. Strength assessment of recycled aggregate concrete by.
The ultrasonic pulse velocity test upv is one of the popular methods which are used to obtain. Ultrasonic pulse velocity tester concrete testing pcte. Not all forms of deterioration or damage actually change the pulse velocity of the material, but they affect the actual path for the pulse to travel from transmitter to receiver. The ultrasonic pulseecho technique is a widely used method to obtain ultrasonic velocity data for solids.
Review of the ultrasonic pulse velocity evaluating. Pundit pl200 pulse echo transducer ultrasonic testing. Ultrasonic pulse velocity test it measures the time of travel of an ultrasonic pulse passing through the concrete. Its use for predicting strength is much more limited, owing to the large number of variables. The ultrasonic pulse echo technique is a widely used method to obtain ultrasonic velocity data for solids. Application of ultrasonic pulse velocity techniques for. Guidebook on nondestructive testing of concrete structures. After a length l the pulse of vibrations is converted into an electrical signal by the second transducer, the timing circuit enables the transit time t of the pulse to be measured.
Ultra sonic pulse velocity test on a pier duration. It measures the time of travel of an ultrasonic pulse passing through the concrete. In addition, influence of test conditions and some general guidance on the interpretation of test results are also given. Experimental evaluation of cracks in concrete by ultrasonic pulse velocity t sri kalyan 1, a and j. Ultrasonic testing is an indicative and other tests such as destructive testing must be conducted to find the structural and mechanical properties of the material. An ultrasonic pulse velocity test is an insitu, nondestructive test to check the quality of concrete and natural rocks. Utc3034 ultrasonic pulse velocity tester is a microprocessor incorporated equipment which can be connected to a pc through the rs 232 output. Ultrasonic pulse velocityecho testing of concrete, rock. Ultrasonic pulse velocity tester utest malzeme test. This test is done to assess the quality of concrete by ultrasonic pulse velocity method as per. Upv test report ultrasound nondestructive testing free.
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