Monitoring the setting process of mortars by ultrasonic P and S-wave transmission velocity measurement

Carette, Jerome; Staquet, Stéphanie

doi:10.1016/j.conbuildmat.2015.06.054

Cited by 75 publications

(45 citation statements)

References 42 publications

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“…The determination of the dynamic modulus with resonance frequency is based on empirical equations as shown in Equation (17). The dynamic modulus can also be calculated with the sound speed through a theoretical equation [20,46] as shown in Equation (18).…”

Section: Dynamic Modulus Analysis With Ultrasonic Parameters On Hardementioning

confidence: 99%

“…Particularly, the elastic modulus and Poisson's ratio were determined acoustically. Jerome [17] monitored the setting process of mortar samples with the ultrasonic technique. The shear wave velocity was found more appropriate to determine the final setting time than the compression wave velocity.…”

Section: Of 18mentioning

confidence: 99%

“…The resonant frequency was then determined with the captured signal, after which the dynamic modulus can be calculated. In this study, the dynamic modulus was determined with the longitudinal resonance frequency as shown in Equation (17). …”

Section: Dynamic Modulus Analysis With Ultrasonic Parameters On Hardementioning

confidence: 99%

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Ultrasonic Techniques for Air Void Size Distribution and Property Evaluation in Both Early-Age and Hardened Concrete Samples

et al. 2017

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Entrained air voids can improve the freeze-thaw durability of concrete, and also affect its mechanical and transport properties. Therefore, it is important to measure the air void structure and understand its influence on concrete performance for quality control. This paper aims to measure air void structure evolution at both early-age and hardened stages with the ultrasonic technique, and evaluates its influence on concrete properties. Three samples with different air entrainment agent content were specially prepared. The air void structure was determined with optimized inverse analysis by achieving the minimum error between experimental and theoretical attenuation. The early-age sample measurement showed that the air void content with the whole size range slightly decreases with curing time. The air void size distribution of hardened samples (at Day 28) was compared with American Society for Testing and Materials (ASTM) C457 test results. The air void size distribution with different amount of air entrainment agent was also favorably compared. In addition, the transport property, compressive strength, and dynamic modulus of concrete samples were also evaluated. The concrete transport decreased with the curing age, which is in accordance with the air void shrinkage. The correlation between the early-age strength development and hardened dynamic modulus with the ultrasonic parameters was also evaluated. The existence of clustered air voids in the Interfacial Transition Zone (ITZ) area was found to cause severe compressive strength loss. The results indicated that this developed ultrasonic technique has potential in air void size distribution measurement, and demonstrated the influence of air void structure evolution on concrete properties during both early-age and hardened stages.

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Section: Dynamic Modulus Analysis With Ultrasonic Parameters On Hardementioning

confidence: 99%

Section: Of 18mentioning

confidence: 99%

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Ultrasonic Techniques for Air Void Size Distribution and Property Evaluation in Both Early-Age and Hardened Concrete Samples

et al. 2017

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“…Liu et al [17] successfully monitored setting and hardening processes of mortar and concrete using ultrasonic S-wave velocity in the laboratory and verified that S-wave velocity correlated well with penetration resistance in mortar regardless of test setup and water-to-cement ratio. Carette and Staquet [18] observed that S-wave velocity is more sensitive to the setting process of cement-based materials than P-wave velocity. In addition, unlike P-waves, S-waves are theoretically not sensitive to confinement conditions of concrete [12].…”

Section: Introductionmentioning

confidence: 99%

“…The plot in Figure 9 represents the relationship between static elastic modulus and compressive strength measured in accordance with ASTM C469/C469M-14 [6] and ASTM C39/C39M-14 [18], respectively. Figure 9 also compares the experimental results with code equations [33][34][35][36] and a recently proposed equation by Noguchi et al [37].…”

Section: Relationship Between Compressive Strength and Dynamicmentioning

confidence: 99%

Evaluating the Dynamic Elastic Modulus of Concrete Using Shear-Wave Velocity Measurements

Lee¹,

Kee

et al. 2017

Advances in Materials Science and Engineering

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The objectives of this study are to investigate the relationship between static and dynamic elastic moduli determined using shear-wave velocity measurements and to demonstrate the practical potential of the shear-wave velocity method for in situ dynamic modulus evaluation. Three hundred 150 by 300 mm concrete cylinders were prepared from three different mixtures with target compressive strengths of 30, 35, and 40 MPa. Static and dynamic tests were performed at 4, 7, 14, and 28 days to evaluate the compressive strength and the static and dynamic moduli of the cylinders. The results obtained from the shear-wave velocity measurements were compared with dynamic moduli obtained from standard test methods (P-wave velocity measurements according to ASTM C597/C597M-16 and fundamental longitudinal and transverse resonance tests according to ASTM C215-14). The shear-wave velocity measured from cylinders showed excellent repeatability with a coefficient of variation (COV) less than 1%, which is as good as that of the standard test methods. The relationship between the dynamic elastic modulus based on shearwave velocity and the chord elastic modulus according to ASTM C469/C469M was established. Furthermore, the best-fit line for the shear-wave velocity was also demonstrated to be effective for estimating compressive strength using an empirical relationship between compressive strength and static elastic modulus.

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Validation of Self‐Healing Properties of Construction Materials through Nondestructive and Minimal Invasive Testing

Snoeck

Malm

Cnudde

et al. 2018

Adv Materials Inter

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When studying the self‐healing properties of construction materials, a plethora of destructive and nondestructive testing (NDT) techniques can be used. In this review, the applicability of different nondestructive test methods is discussed in detail. The methods can be categorized whether they are used to study the encapsulation and/or protection mechanism of the healing agent, the sequestered healing agent itself, the distribution of healing agents, the trigger mechanism for healing, the healing efficiency, or healing performance. Based on this categorization, nondestructive techniques found in literature are discussed. In this way, a robust understanding of the different techniques can be used for future research on self‐healing construction materials.

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Monitoring the setting process of mortars by ultrasonic P and S-wave transmission velocity measurement

Cited by 75 publications

References 42 publications

Ultrasonic Techniques for Air Void Size Distribution and Property Evaluation in Both Early-Age and Hardened Concrete Samples

Ultrasonic Techniques for Air Void Size Distribution and Property Evaluation in Both Early-Age and Hardened Concrete Samples

Evaluating the Dynamic Elastic Modulus of Concrete Using Shear-Wave Velocity Measurements

Validation of Self‐Healing Properties of Construction Materials through Nondestructive and Minimal Invasive Testing

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