which factors affects ultrasonic pulse velocity in concrete
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Which Factors Affects Ultrasonic Pulse Velocity in Concrete?

2021-8-17  Following are the factors which affect ultrasonic pulse velocity of UPV test in concrete. Ultimately they affect the results of ultrasonic testing. 01. How the Path Length Affect the Ultrasonic Pulse Velocity?

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Factors influencing ultrasonic pulse velocity in concrete

2020-3-26  The ultrasonic pulse velocity readings in concrete specimens are affected by numerous factors, such as lack of accuracy of the inspector, reading

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Factors influencing ultrasonic pulse velocity in concrete ...

Factors influencing ultrasonic pulse velocity in concrete 2. in a X-ray fluorescence spectrometer X (FRX) PW2424/00 – Materials and methods In order to reach the proposed goals, a total of 45 cylindrical test specimens (10 cm x 20 cm) and 9 cubic test specimens with edges of 25 cm were molded. From this set of

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Influence of Different Factors of Concrete which are ...

2020-10-29  The ultrasonic pulse velocity of concrete is not an intrinsic characteristics of concrete as it depends on microstructural properties of concrete many other factors of concrete.

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Reinforcement effect on the ultrasonic pulse velocity in ...

2010-9-14  ties can be assessed by using material nondestructive test method ― by applying the ultrasonic pulse velocity measuring devices. At the same time, it is also known that there are several factors that influence the ultrasonic pulse propagation velocity in the concrete and the reinforced con-crete

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Pulse Velocity of Concrete: 6 Factors Concrete Technology

2021-7-14  It has been observed that variation in ambient temperature affects the pulse velocity in concrete significantly. The variation between 5°C to 30°C does not affect the pulse velocity significantly, but at temperatures between 30°C and 60°C an reduction of 5% in the pulse velocity has been reported.

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(PDF) Ultrasonic pulse velocity analysis in concrete

The concrete performance is influenced by some building variables, such as: the water/cement ratio, the aggregate type and size, the humidity and the cement type.

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Ultrasonic Pulse Velocity Evaluation of Cementitious

2018-9-25  The ultrasonic pulse velocity in cement-based materials depends mainly on its elastic modulus and, since the latter is closely related to mechanical strength (how is elastic modulus related to strength, something can be stiff and weak (e.g. chalf)) or stiff and strong (e.g. carbon fibre), it is natural do believe the pulse velocity can be also correlated to compressive strength. The correlation, however, is

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Pulse Velocity - an overview ScienceDirect Topics

The ultrasonic pulse velocity (UPV) measurement can be utilized for the determination of concrete uniformity, cracks or voids' presence, changes in properties with time. As the amount of DOTP in the concrete increases, the ultrasonic pulse velocity of the concrete decreases.

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Everything About Ultrasonic Pulse Velocity Test ...

2020-8-18  Variations of the concrete temperature between 5 and 30°C do not affect the pulse velocity measurements in concrete. At temperatures between 30 to 60°C there can be a reduction in pulse velocity up to 5 per cent. Below freezing temperature, the free water freezes within the concrete, resulting in an increase in pulse velocity up to 7.5 per cent.

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Factors influencing ultrasonic pulse velocity in concrete ...

Factors influencing ultrasonic pulse velocity in concrete 2. in a X-ray fluorescence spectrometer X (FRX) PW2424/00 – Materials and methods In order to reach the proposed goals, a total of 45 cylindrical test specimens (10 cm x 20 cm) and 9 cubic test specimens with edges of 25 cm were molded. From this set of

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Influence of Different Factors of Concrete which are ...

2020-10-29  However the studies on the factors which may influence the ultrasonic pulse velocity of concrete are still lack of clarity and lots of research are yet required to accentuate the proper assessment of ultrasonic pulse velocity test of concrete. 3. TESTING METHOD The ultrasonic pulse velocity test of concrete based on the

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Reinforcement effect on the ultrasonic pulse velocity in ...

2010-9-14  ties can be assessed by using material nondestructive test method ― by applying the ultrasonic pulse velocity measuring devices. At the same time, it is also known that there are several factors that influence the ultrasonic pulse propagation velocity in the concrete and the reinforced con-crete

Get Price

Review of the ultrasonic pulse velocity Evaluating ...

2014-9-3  E. Factors affecting propagation velocity . Several factors can affect the speed of propagation related to whether or other properties of the concrete. aggregate size and type, size, content Several researchers have shown that the speed pulse is affected by the type and content of aggregates.

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Pulse Velocity of Concrete: 6 Factors Concrete Technology

2021-7-14  Following factors affect the value of pulse velocity: 1. Smoothness of Contact Surface under Test 2. Length of Path of Pulse Velocity 3. Temperature of Concrete 4. Moisture Conditions of Concrete 5. Presence of Reinforcing Steel 6. Material and Mix Proportion of the Concrete. Factor # 1.

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Ultrasonic Pulse Velocity Test Construction Diagnostics ...

Ultrasonic pulse velocity has been found to be a valuable and reliable method of detecting interior of concrete member in truly a non destructive way. If the data about factors influencing pulse velocity as stated above is not available , then, the assessment of compressive strength will have limitations.

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Ultrasonic pulse velocity in concrete made with recycled ...

2021-6-22  A detailed experimental investigation was carried out to understand the effect of ultrasonic pulse velocity (UPV) in concrete made with recycled brick aggregate (RBA). For this, cylindrical concrete specimens of 100 mm × 200 mm size were prepared

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Effect of temperature on ultrasonic pulse velocity in ...

2017-3-14  16x16x40 mm to measure ultrasonic pulse velocity. On the other hand cubic specimens have been prepared by dimension 150mmx150 mm to measure compressive strength. Tables 4,5,6,7,8,9 show the results obtained for compressive strength and ultrasonic pulse velocity at room temperature, 2000C, 6000C. Table 4 .

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Pulse Velocity - an overview ScienceDirect Topics

The ultrasonic pulse velocity (UPV) measurement can be utilized for the determination of concrete uniformity, cracks or voids' presence, changes in properties with time. As the amount of DOTP in the concrete increases, the ultrasonic pulse velocity of the concrete decreases. It can be said that this is due to the porous structure of DOTP-reinforced concrete (Şimşek et al., 2018).

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What is Ultrasonic Testing of Concrete for Compressive ...

Ultrasonic Testing of Concrete. Ultrasonic pulse velocity test consists of measuring travel time, T of ultrasonic pulse of 50 to 54 kHz, produced by an electro-acoustical 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.

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Factors influencing ultrasonic pulse velocity in concrete

3.1 Ultrasonic pulse velocity of concrete in fresh state. In this stage of the study, it was sought to verify the behavior of the ultrasonic pulse velocity during the first hours of concrete hydration. In other words, in the transition period between the plastic state and the one of porous solid.

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Review of the ultrasonic pulse velocity Evaluating ...

2014-9-3  E. Factors affecting propagation velocity . Several factors can affect the speed of propagation related to whether or other properties of the concrete. aggregate size and type, size, content Several researchers have shown that the speed pulse is affected by the type and content of aggregates.

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Geometric Effects on Ultrasonic Pulse Velocity ...

2017-12-5  Keywords: Non-Destructive Testing of Concrete, Ultrasonic Pulse Velocity, Laser Vibrometer, Size effects 1. Introduction Concrete is a popular structural material used in Civil Engineering applications. As for any material, condition of concrete may be affected by the quality of design, manufacturing, loads applied to a structure, character of the

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ANALYTICAL MODEL OF ULTRASONIC PULSE VELOCITY

2020-9-21  Ultrasonic pulse velocity (UPV) is a non-destructive tech- ... proportions, aggregate type, age of concrete, moisture content and other factors. However, the factors which might signifi-cantly affect the strength of the concrete have little influence on the UPV. As a result, a strength estimated with the pulse ...

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[PDF] Moisture Effect on the Ultrasonic Pulse Velocity in ...

Abstract The ultrasonic pulse velocity (UPV) in water-saturated concrete is higher than in dry concrete. However, moisture influence on the UPV is defined within a wide range: - from negligible to quite significant (16 per cent). The nature of "UPV − concrete moisture" correlation is also interpreted in different ways - both as linear and as exponential.

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Ultrasonic Pulse Velocity Meter - iricen.gov

2019-12-27  The quality of concrete in terms of uniformity, incidence or absence of internal flaws, cracks and segregation, etc, indicative of the level of workmanship employed; can thus be assessed using the guidelines given in Table 2, which have been evolved for characterising the quality of concrete in structures in terms of the ultrasonic pulse velocity.

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Ultrasonic Testing of Concrete FPrimeC Solutions Inc.

2017-4-13  Ultrasonic Pulse Velocity (UPV) is an effective non-destructive testing (NDT) method for quality control of concrete materials, and detecting damages in structural components. The UPV methods have traditionally been used for the quality control of materials, mostly homogeneous materials such as metals and welded connections.

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Advantages of Ultrasonic Inspection in Concrete Structure

2021-8-9  Learn the procedure for ultrasonic testing and get the idea about the factors that affect ultrasonic pulse velocity in concrete. Here are the advantages of ultrasonic inspection in the concrete structures. Advantages of Ultrasonic Inspection in Concrete Structure: Following are the advantages of ultrasonic inspection in the concrete structure.

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Ultrasonic Pulse Velocity Ultrasonic Concrete Test ...

2021-7-11  The Ultrasonic Pulse Velocity (UPV) systems are designed to identify and map voids, honeycomb, cracks, delaminations, and other damage in concrete, wood, masonry, stone, ceramics, and metal materials. UPV tests are also performed to predict strength of early age concrete. The UPV methodology relies on direct arrival of compressional waves.

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What is Ultrasonic Testing of Concrete for Compressive ...

Ultrasonic Testing of Concrete. Ultrasonic pulse velocity test consists of measuring travel time, T of ultrasonic pulse of 50 to 54 kHz, produced by an electro-acoustical 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.

Get Price
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