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Relevant bibliographies by topics / Concrete Concrete Ultrasonic testing

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Academic literature on the topic 'Concrete Concrete Ultrasonic testing'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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Journal articles on the topic "Concrete Concrete Ultrasonic testing"

1

Fitzka, Michael, Ulrike Karr, Maximilian Granzner, Tomáš Melichar, Martin Rödhammer, Alfred Strauss, and Herwig Mayer. "Ultrasonic fatigue testing of concrete." Ultrasonics 116 (September 2021): 106521. http://dx.doi.org/10.1016/j.ultras.2021.106521.

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2

Gu, Jun Bin. "Analysis on the Nondestructive Testing Method of Concrete Strength." Applied Mechanics and Materials 578-579 (July 2014): 987–90. http://dx.doi.org/10.4028/www.scientific.net/amm.578-579.987.

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Preliminary study the damage of concrete beam by the ultrasonic-rebound method.The contents of the ultrasonic-rebound method are shown below: the concrete rebound value was determined by Rebound method and the ultrasound propagation time in concrete beam was determined by ultrasonic meter to calculate the ultrasonic velocity value in concrete, finally based on the concrete rebound value and the ultrasonic velocity value to confirm the strength of concrete beam.Because of a single rebounding or ultrasonic method is limit in theory and application, and lead to the defect in the application. But the ultrasonic-rebound synthetic method is much better than the above two methods respectively, and it improves the testing precision to apply to the engineering practice.

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Washer, G., P. Fuchs, B. A. Graybeal, and J. L. Hartmann. "Ultrasonic Testing of Reactive Powder Concrete." IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control 51, no. 2 (February 2004): 193–201. http://dx.doi.org/10.1109/tuffc.2004.1295394.

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Washer, G., P. Fuchs, B. A. Graybeal, and J. L. Hartmann. "Ultrasonic testing of reactive powder concrete." IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control 51, no. 2 (February 2004): 193–201. http://dx.doi.org/10.1109/tuffc.2004.1320767.

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Rizkiasari, Anggia Eta, and Abdul Rouf. "Analisis Hubungan Kecepatan Gelombang Dengan Kuat Tekan Beton Menggunakan Metode UPV." IJEIS (Indonesian Journal of Electronics and Instrumentation Systems) 10, no. 1 (April 30, 2020): 11. http://dx.doi.org/10.22146/ijeis.33414.

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Until now the use of concrete as a building material is still widely used for building structures. It is important to do concrete compressive strength testing as one of the factors to know the quality of a concrete. NDT (Non-Destructive Testing) is a method of solid quality testing without damaging the object. Testing with the NDT method is considered more efficient than the destructive test method. One method for performing NDT testing is by utilizing UPV (Ultrasonic Pulse Velocity).UPV is a method for estimating concrete compressive strength based on the ultrasonic pulse velocity relationship through concrete with the concrete compressive strength itself. UPV testing works by emitting ultrasonic pulses of 40 kHz through concrete to obtain the travel time of the pulse. Then the resulting time will be calculated the value of its speed and then will be converted into concrete compressive strength.Concrete compressive strength measurement system for high-quality concrete using UPV method can be designed by utilizing relation between ultrasonic pulse velocity with concrete compressive strength. Based on the test results, the average error value of concrete compressive strength testing is 3.04% with a maximum error of 6.63%.

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Camara, Letícia, Mayara Wons, Ian Esteves, and Ronaldo Medeiros-Junior. "Monitoring the Self-healing of Concrete from the Ultrasonic Pulse Velocity." Journal of Composites Science 3, no. 1 (February 2, 2019): 16. http://dx.doi.org/10.3390/jcs3010016.

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Concrete has the ability to naturally heal its cracks, in a process called self-healing. This article aimed to analyze the self-healing of concretes, evaluating the influence of fly ash and the age of occurrence of cracks. Concrete specimens were submitted to cracking at 7 and 28 days. Subsequently, the samples were exposed to 12 wetting and drying cycles in order to favor the self-healing process. The phenomenon was evaluated through the ultrasonic pulse velocity testing, performed weekly on the specimens from the molding stage until the end of all cycles. The concretes showed a decrease in ultrasonic pulse velocity at the time they were cracked. This is due to the greater difficulty in the propagation of ultrasonic waves in the voids formed during cracking. This drop was higher for concrete with fly ash. Also, the results show that the fly ash concretes presented a more expressive self-healing process when cracked at 28 days, which may be related to the presence of pozzolanic reactions and the presence of more anhydrous particles. The concretes without fly ash had self-healing when they were cracked at 7 days. This is explained by the high hydration rate characteristic of ordinary Portland cement.

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Gao, Feng, Gui Ling Liu, and Feng Xian Wang. "Concrete Compression Strength Non-Destruction Detecting with Rebounding and Ultrasonic Synthesis Method." Applied Mechanics and Materials 357-360 (August 2013): 1488–91. http://dx.doi.org/10.4028/www.scientific.net/amm.357-360.1488.

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Regional materials and mixing ratio in Datong region are used to make the concrete testing blocks. The rebounding and ultrasonic non-destruction detecting testing for concrete compression strength were done by using the six types of strength grades concrete standard specimens according to the technical regulation. By using the common software Matlab7.0, the mathematical models between rebounding values, ultrasonic velocity values, rebounding- ultrasonic method values and concrete compression strength were set up by three kinds of functions’ regression analysis. The error analysis showed that the rebounding-ultrasonic non-destruction detecting testing method had higher precision results and was used firstly when the conditions were permitted, compared with the rebounding testing method or the ultrasonic testing method.

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Rhim, Hong Chul, Dae You Kim, Chang Shik Cho, and Do Hyun Kim. "Effect of Steel Plates on Estimation of the Compressive Strength of Concrete via Ultrasonic Testing." Materials 13, no. 4 (February 17, 2020): 887. http://dx.doi.org/10.3390/ma13040887.

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The presence of embedded steel affects the estimates obtained for the compressive strength of concrete during ultrasonic testing, as it increases the ultrasonic wave velocity. Thus, if the presence of steel in concrete is inevitable, then a correction factor is required for an accurate estimation of the concrete strength. While previous studies focused on the effect of steel reinforcing bars on the speed of ultrasonic waves in concrete, this work expands on the significance of embedded steel from steel bars to include steel plates. The wave velocity was measured for varying dimensions of embedded steel plates from 15 mm to 150 mm using 54-kHz ultrasonic testing equipment. Through experiments, the effect of steel plates on the ultrasonic testing of concrete was quantified to derive proper correction factors. It was found that the thickness, depth, and height of the steel plates significantly affected the test results. These findings can be applied to ultrasonic testing to estimate the compressive strength of concrete consisting of a significant volume of steel, such as in steel-reinforced concrete structures.

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Abdel Rahim, Khalid Abdel Naser. "Evaluating Concrete Quality using Nondestructive In-situ Testing Methods." Revista Tecnología y Ciencia, no. 36 (October 10, 2019): 22–40. http://dx.doi.org/10.33414/rtyc.36.22-40.2019.

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This manuscript investigate the quality of concrete using non-destructive in-situ testing.The in-situ testing is a process by which different test are carried out such as rebound hammer, ultrasonic pulse veloc-ity, initial surface absorption test and fig air, to determine thein-situ strength, durability and deterioration, air permeability, concrete quality control andperformance. Additionally, the quality of concrete was researched using test methods with experimental results. Moreover, this research has found that (1) the increase in w/c ra-tioleads to a decrease in compressive strength and ultrasonic pulse velocity. Thus, lower w/cratio gives a bet-ter concrete strength in terms of quality, (2) the quicker the ultrasonic pulse travels through concrete indicates that the concrete is denser, therefore, better quality, (3) the lower initial surface absorption value indicates a better concrete with respect to porosity and (4) the w/c ratio plays an important role in the strength and per-meability of concrete.

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Zhang, Weiguang, Muhammad Arfan Akber, Shuguang Hou, Jiang Bian, Dong Zhang, and Qiqi Le. "Detection of Dynamic Modulus and Crack Properties of Asphalt Pavement Using a Non-Destructive Ultrasonic Wave Method." Applied Sciences 9, no. 15 (July 24, 2019): 2946. http://dx.doi.org/10.3390/app9152946.

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Non-destructive ultrasonic testing has attained popularity due to its robustness and cost-effectiveness in monitoring the structural health and performance evaluation of pavements, thus replacing traditional methods. This paper presents the application of an explicit finite element method for the modeling of ultrasonic wave propagation through asphalt concrete. Prior to modeling, non-destructive ultrasonic testing was conducted on four different types of asphalt concrete (AC-13, SMA-13, AC-20, and AM-20). Based on acoustic information (wave velocity) obtained in non-destructive testing (NDT) and density, the dynamic moduli of these asphalt concretes were evaluated and used in numerical modeling of ultrasonic wave propagation using the commercial software package ABAQUS. The ultrasonic wave results obtained by numerical modeling were compared with experimental results. This comparison showed a good fit between the finite element (FE) results and the experimental results and confirmed a good FE approach for ultrasonic wave propagation. In addition, the influence of varying dynamic moduli, density, varying location, and crack size/depth on ultrasonic wave propagation was analyzed.

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Dissertations / Theses on the topic "Concrete Concrete Ultrasonic testing"

1

Whitcomb, Richard W. "Quantitative ultrasonic evaluation of concrete." Thesis, Georgia Institute of Technology, 1992. http://hdl.handle.net/1853/19004.

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Blum, Frank. "A focused, two dimensional, air-coupled ultrasonic array for non-contact generation." Thesis, Available online, Georgia Institute of Technology, 2004:, 2003. http://etd.gatech.edu/theses/available/etd-04072004-180005/unrestricted/blum%5Ffrank%5F200312%5Fms.pdf.

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Mong, Seng Ming. "Non-destructive evaluation with ultrasonic pulse velocity (UPV) in concrete structure." access abstract and table of contents access full-text, 2005. http://libweb.cityu.edu.hk/cgi-bin/ezdb/dissert.pl?msc-ap-b21175032a.pdf.

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Thesis (M.Sc.)--City University of Hong Kong, 2005.
At head of title: City University of Hong Kong, Department of Physics and Materials Science, Master of Science in materials engineering & nanotechnology dissertation. Title from title screen (viewed on Sept. 4, 2006) Includes bibliographical references.

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Lau, Connie K. Y. "Non-destructive evaluation with ultrasonic pulse velocity (UPV) in concrete structure." access abstract and table of contents access full-text, 2005. http://libweb.cityu.edu.hk/cgi-bin/ezdb/dissert.pl?msc-ap-b21174441a.pdf.

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Thesis (M.Sc.)--City University of Hong Kong, 2005.
At head of title: City University of Hong Kong, Department of Physics and Materials Science, Master of Science in materials engineering & nanotechnology dissertation. Title from title screen (viewed on Sept. 1, 2006) Includes bibliographical references.

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In, Chi-Won. "Defect characterization in heterogeneous civil materials using ultrasound." Diss., Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/47545.

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Asphalt and Portland cement concrete constitutes a significant portion of the total infrastructure all over the world. It has been reported that much of this concrete infrastructure is now approaching or has already passed its original design life. Thus it is critical to be able to quantitatively assess the condition of these concrete components. In order to rehabilitate or repair the civil infrastructure, nondestructive evaluation (NDE) techniques have been of great interest for infrastructure management agencies. However concrete components present several specific NDE challenges that must be addressed. . Concrete naturally exhibits large scale heterogeneous microstructure with a great deal of local material property variability, For this reasons, many conventional NDE techniques that work well for steel and other homogeneous materials cannot be applied to concrete; concrete is unable to transmit high frequencies, as the heterogeneity of the concrete causes signals of smaller wavelengths or wavelengths equal to the nominal aggregate size to be scattered and severely attenuated. Nevertheless, progress has been made towards accurate and reliable in-place NDE of concrete structures and materials, for example impact echo, ultrasonic pulse velocity method, and the ultrasonic wave transmission method. However, the detection of smaller sized defects or remote defects that are located away from the testing location still pose problems. In addition, the large size and potential limited access conditions of civil structures raise additional challenges. To overcome the limitations of current NDE techniques for concrete, this research considers two different types of ultrasonic waves (coherent and incoherent wave) to quantitatively characterize and monitor defects in heterogeneous concrete materials. The global objective of this research is to determine the feasibility and applicability of using these ultrasonic waves as a global, rapid, reliable, and non-biased technique for the routine screening of defects or monitoring of concrete structures and materials. Three different problems are considered: 1) characterization of segregation in asphaltic concrete, 2) crack depth determination in pier cap of concrete bridge structure, and 3) monitoring of self-healing process in cement-based concrete.

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Chan, Denny Yuk. "Structural integrity assessment of cantilevered type concrete structures by instrumented impact hammer (IIH) technique & ultrasonic pulse velocity (UPV) technique." access abstract and table of contents access full-text, 2005. http://libweb.cityu.edu.hk/cgi-bin/ezdb/dissert.pl?msc-ap-b21174088a.pdf.

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Thesis (M.Sc.)--City University of Hong Kong, 2005.
At head of title: City University of Hong Kong, Department of Physics and Materials Science, Master of Science in materials engineering & nanotechnology dissertation. Title from title screen (viewed on Aug. 31, 2006) Includes bibliographical references.

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Schempp, Fabian. "Fully non-contact, air-coupled generation and detection of ultrasound in concrete for nondestructive testing." Thesis, Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/50396.

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It is well known that liquid coupling agents, which are commonly used in conventional ultrasonic testing to couple an ultrasonic transducer to a solid specimen, cause a number of problems including inconsistency in results and slowness of the inspection. This is especially true when the specimen surface is rough, such as those in field concrete structures; here the solution involves time-consuming surface preparation to polish every single point of inspection, making it impractical to inspect field structures with conventional, contact methods. To address this issue, this thesis proposes a new, fully non-contact, air-coupled measurement setup in the mid to high ultrasonic frequencies (50-150 kHz). This advanced setup and measurement technique is evaluated by calculating the signal to noise ratio for different numbers of signal averages. In addition, the effect of the lift-off distance of the transducer over the sample is also investigated. Ultrasonic waves are generated and detected in this frequency range with a sufficiently high signal to noise ratio (SNR), which enables performing a fast scan with a small number of signal averages. Using this setup, phase velocity and attenuation of Rayleigh surface waves in a concrete specimen are first measured. Then, the air coupled ultrasound technique is used to detect dicontinuities such as cracks at a concrete joint and reinforcement bars in a concrete block. Also, the capability of the proposed technique for measuring depths of surface-breaking cracks using air-coupled generated Rayleigh waves is demonstrated. Since this measurement setup directly generates Rayleigh waves, most of the disadvantages in the techniques based on the impact-echo method can be avoided and thus data processing is much simpler than that in the impact-echo based techniques. The results of the measurements show that this setup is highly promising and a big advancement towards the rapid ultrasonic nondestructive testing on large-scale field concrete structures.

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Arne, Kevin C. "Crack depth measurement in reinforced concrete using ultrasonic techniques." Thesis, Georgia Institute of Technology, 2014. http://hdl.handle.net/1853/51914.

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Concrete is the most widely used construction material in the world, so the assessment of damage in concrete is critical from the point of view of both safety and cost. Of particular interest are macro cracks that extend through the concrete cover of the reinforcement, which can potentially expose the reinforcement to corrosive elements. The high density of scatterers such as aggregate and voids in concrete makes quantitative imaging with coherent ultrasound difficult. As an alternative, this research focuses on diffuse energy based ultrasonic methods rather than coherent ultrasonic methods for crack depth assessment. Two types of ultrasonic measurements were made on real cracks formed under four point bending: one that focuses on time of flight measurements from an impactor; while the other uses the arrival time of maximum energy in a diffuse field excited by an impulsive load from a transducer. Each of these ultrasonic techniques is used to interrogate a macro crack in a concrete beam, and the results are compared to determine their accuracy and robustness. The actual crack depth is determined using direct surface measurements and a destructive dye-injected approach with drilled cores. The results suggest that the diffusion method, using a maximum energy approach, more accurately estimates the crack than visual inspection and impact echo methods, which overestimate the depth.

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9

Punurai, Wonsiri. "Cement-based materials' characterization using ultrasonic attenuation." Diss., Available online, Georgia Institute of Technology, 2006, 2006. http://etd.gatech.edu/theses/available/etd-04042006-171125/.

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Thesis (Ph. D.)--Civil and Environmental Engineering, Georgia Institute of Technology, 2006.
Dr. Jennifer Michaels, Committee Member ; Dr. Jacek Jarzynski, Committee Member ; Dr. Jianmin Qu, Committee Member ; Dr. Laurence J. Jacobs, Committee Chair ; Dr. Kimberly E. Kurtis, Committee Co-Chair.

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Deroo, Frederik. "Damage detection in concrete using diffuse ultrasound measurements and an effective medium theory for wave propagation in multi-phase materials." Thesis, Atlanta, Ga. : Georgia Institute of Technology, 2009. http://hdl.handle.net/1853/31801.

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Thesis (M. S.)--Civil and Environmental Engineering, Georgia Institute of Technology, 2010.
Committee Chair: Laurence J. Jacobs; Committee Member: Jianmin Qu; Committee Member: Jin-Yeon Kim. Part of the SMARTech Electronic Thesis and Dissertation Collection.

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Books on the topic "Concrete Concrete Ultrasonic testing"

1

Combined ultrasound methods of concrete testing. Amsterdam: Elsevier, 1990.

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Garbacz, Andrzej. Ultrasonic evaluation methods applicable to polymer concrete composites. Gaithersburg, MD: U.S. Dept. of Commerce, Technology Administration, National Institute of Standards and Technology, 2003.

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Stawiski, Bohdan. Ultradźwiękowa badania betonów i zapraw głowicami puktowymi. Wrocław: Oficyna Wydawnicza Politechniki Wrocławskiej, 2009.

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Shui ni hun ning tu ban chao sheng jian ce ji shu yan jiu: Shuini hunningtuban chaosheng jiance jishu yanjiu. Ha'erbin Shi: Heilongjiang da xue chu ban she, 2010.

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Sztukiewicz, Romuald Jan. Aneks do rozprawy Ultradźwiękowy opis i analiza stanu warstwy wierzchniej nawierzchni drogowej z betonu asfaltowego. Poznań: Wydawn. Politechniki Poznańskiej, 1993.

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Shou zai yan shi hun ning tu de sheng xue te xing ji qi ying yong. Beijing: Ke xue chu ban she, 2009.

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Alexander, A. Michel. Application of artificial neural networks to ultrasonic pulse echo system for detecting microcracks in concrete. Vicksburg, Miss: U.S. Army Engineer Waterways Experiment Station, 1998.

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Kubota, Kazuo. Shiyōzumi nenryō chozō shisetsuyō konkurīto kyasuku no kyanisuta futa yōsetsubu no UT kensa hōhō no kentō: Study of ultrasonic test method for welded lids of canisters for concrete casks in spent fuel storage facility. Tōkyō-to Minato-ku: Genshiryoku Anzen Kiban Kikō, 2014.

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Institution, British Standards. Testing concrete. London: British Standards Institution, 1986.

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Institution, British Standards. Testing concrete. London: BSI, 1988.

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Book chapters on the topic "Concrete Concrete Ultrasonic testing"

1

Benouis, A., and A. Grini. "Effect of Concrete Mixtures on Estimation of Porosity by Ultrasonic Velocity." In Nondestructive Testing of Materials and Structures, 309–16. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-0723-8_44.

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Gibson, A., and D. Ciancio. "Early-Age Ultrasonic Testing of Concrete and Shotcrete using Embedded Sensors." In Nondestructive Testing of Materials and Structures, 485–90. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-0723-8_69.

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Molero, M., G. Al-Assadi, S. Aparicio, M. J. Casati, and M. G. Hernández. "Damage Assessment by Ultrasonic Images in Concrete Subjected to Freeze-Thaw Cycles." In Nondestructive Testing of Materials and Structures, 219–25. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-0723-8_32.

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Robeyst, N., C. U. Grosse, and N. Belie. "Factors Affecting the Monitoring of the Early Setting of Concrete by Ultrasonic P-Waves." In Nondestructive Testing of Materials and Structures, 423–29. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-0723-8_60.

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Alexander, Mark, Arnon Bentur, and Sidney Mindess. "Durability testing: Transport properties." In Durability of Concrete, 209–40. Boca Raton : CRC Press, [2017] | Series: Modern concrete technology series: CRC Press, 2017. http://dx.doi.org/10.1201/9781315118413-7.

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Alexander, Mark, Arnon Bentur, and Sidney Mindess. "Durability testing: Degradation mechanisms." In Durability of Concrete, 241–62. Boca Raton : CRC Press, [2017] | Series: Modern concrete technology series: CRC Press, 2017. http://dx.doi.org/10.1201/9781315118413-8.

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Tavossi, H. M., B. R. Tittmann, and F. Cohen-Tenoudji. "Ultrasonic Characterization of Cement and Concrete." In Review of Progress in Quantitative Nondestructive Evaluation, 1943–48. Boston, MA: Springer US, 1999. http://dx.doi.org/10.1007/978-1-4615-4791-4_248.

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Phalippou, Marc. "Abstract testing and concrete testers." In IFIP Advances in Information and Communication Technology, 221–36. Boston, MA: Springer US, 1995. http://dx.doi.org/10.1007/978-0-387-34867-4_15.

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"Ultrasonic pulse velocity methods." In Testing of Concrete in Structures, 63–93. CRC Press, 2006. http://dx.doi.org/10.1201/9781482264685-8.

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"Ultrasonic Pulse Velocity Methods." In Testing of Concrete in Structures. Spon Press, 1995. http://dx.doi.org/10.4324/9780203487839.ch3.

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Conference papers on the topic "Concrete Concrete Ultrasonic testing"

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Keyou Liu, Jianlin Zhu, Yu Tu, Yi Yuan, and Hualing Yuan. "Ultrasonic Testing Technology of Concrete Component." In 2013 Fifth International Conference on Measuring Technology and Mechatronics Automation (ICMTMA 2013). IEEE, 2013. http://dx.doi.org/10.1109/icmtma.2013.315.

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Ozsoy, Ufuk, Gokhan Koyunlu, Okechukwu C. Ugweje, and Abubakar Dayyabu. "Nondestructive testing of concrete using ultrasonic wave propagation." In 2017 13th International Conference on Electronics, Computer and Computation (ICECCO). IEEE, 2017. http://dx.doi.org/10.1109/icecco.2017.8333326.

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Shokouhi, Parisa, and Anna Lorenz. "Ultrasonic investigation of damage progression in concrete." In 40TH ANNUAL REVIEW OF PROGRESS IN QUANTITATIVE NONDESTRUCTIVE EVALUATION: Incorporating the 10th International Conference on Barkhausen Noise and Micromagnetic Testing. AIP Publishing LLC, 2014. http://dx.doi.org/10.1063/1.4864919.

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Yang Yan. "Ultrasonic testing of the application of the concrete defects." In 2012 First National Conference for Engineering Sciences (FNCES). IEEE, 2012. http://dx.doi.org/10.1109/nces.2012.6543431.

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Yang, Yan. "Ultrasonic testing of the application of the concrete defects." In 2013 Conference on Education Technology and Management Science. Paris, France: Atlantis Press, 2013. http://dx.doi.org/10.2991/icetms.2013.391.

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Zhu, Yuxuan, Shuqi Zhao, Ren Liu, Xingcheng Wang, Jipeng Kan, Jinshuai Zhang, Meijing Wu, Weiyang Jiang, and Dong Xiang. "Study on ultrasonic testing of imperfect defects in concrete." In 4th International Conference on Renewable Energy and Environmental Technology (ICREET 2016). Paris, France: Atlantis Press, 2017. http://dx.doi.org/10.2991/icreet-16.2017.106.

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Roe, Shannon E., C. Woodward, and M. J. Cramer. "Nonlinear Ultrasonic Testing on a Laboratory Concrete Bridge Deck." In REVIEW OF PROGRESS IN QUANTITATIVE NONDESTRUCTIVE EVALUATION. AIP, 2007. http://dx.doi.org/10.1063/1.2718134.

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Huang, Shifeng, Mimi Li, Yuesheng Xu, Dongyu Xu, Xinchun Xie, and Xin Cheng. "Research on Embedded Sensors for Concrete Health Monitoring Based on Ultrasonic Testing." In International Conference on the Durability of Concrete Structures. Purdue University Libraries Scholarly Publishing Services, 2014. http://dx.doi.org/10.5703/1288284315429.

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Ozsoy, Ufuk, Gokhan Koyunlu, Abubakar Dayyabu, and Okechukwu Ugweje. "Analysis of ultrasonic pulse velocity in concrete using hypothesis testing." In 2017 13th International Conference on Electronics, Computer and Computation (ICECCO). IEEE, 2017. http://dx.doi.org/10.1109/icecco.2017.8333327.

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Washer, Glenn, Paul Fuchs, Ali Rezai, and Hamid Ghasemi. "Ultrasonic Testing for Quality Control of Ultra-High Performance Concrete." In Structures Congress 2006. Reston, VA: American Society of Civil Engineers, 2006. http://dx.doi.org/10.1061/40889(201)78.

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Reports on the topic "Concrete Concrete Ultrasonic testing"

1

Ulrich, Timothy J. II, Cedric Payan, and Peter M. Roberts. Addressing Facility Needs for Concrete Assessment Using Ultrasonic Testing: Mid-year Report. Office of Scientific and Technical Information (OSTI), March 2012. http://dx.doi.org/10.2172/1038121.

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Clayton, Dwight A., Lev Khazanovich, Mattia Zammerachi, and N. Dianne Bull Ezell. Linear Array Ultrasonic Testing Of A Thick Concrete Specimens For Non-Destructive Evaluation. Office of Scientific and Technical Information (OSTI), April 2017. http://dx.doi.org/10.2172/1355888.

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Baral, Aniruddha, Jeffrey Roesler, M. Ley, Shinhyu Kang, Loren Emerson, Zane Lloyd, Braden Boyd, and Marllon Cook. High-volume Fly Ash Concrete for Pavements Findings: Volume 1. Illinois Center for Transportation, September 2021. http://dx.doi.org/10.36501/0197-9191/21-030.

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Abstract:

High-volume fly ash concrete (HVFAC) has improved durability and sustainability properties at a lower cost than conventional concrete, but its early-age properties like strength gain, setting time, and air entrainment can present challenges for application to concrete pavements. This research report helps with the implementation of HVFAC for pavement applications by providing guidelines for HVFAC mix design, testing protocols, and new tools for better quality control of HVFAC properties. Calorimeter tests were performed to evaluate the effects of fly ash sources, cement–fly ash interactions, chemical admixtures, and limestone replacement on the setting times and hydration reaction of HVFAC. To better target the initial air-entraining agent dosage for HVFAC, a calibration curve between air-entraining dosage for achieving 6% air content and fly ash foam index test has been developed. Further, a digital foam index test was developed to make this test more consistent across different labs and operators. For a more rapid prediction of hardened HVFAC properties, such as compressive strength, resistivity, and diffusion coefficient, an oxide-based particle model was developed. An HVFAC field test section was also constructed to demonstrate the implementation of a noncontact ultrasonic device for determining the final set time and ideal time to initiate saw cutting. Additionally, a maturity method was successfully implemented that estimates the in-place compressive strength of HVFAC through wireless thermal sensors. An HVFAC mix design procedure using the tools developed in this project such as the calorimeter test, foam index test, and particle-based model was proposed to assist engineers in implementing HVFAC pavements.

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Clayton, Dwight A., Cyrus M. Smith, Dr Christopher C. Ferraro, Jordan Nelson, Dr Lev Khazanovich, Dr Kyle Hoegh, Satish Chintakunta, and Dr John Popovics. Evaluation of Ultrasonic Techniques on Concrete Structures. Office of Scientific and Technical Information (OSTI), September 2013. http://dx.doi.org/10.2172/1095161.

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Garbacz, Andrzej, and Edward J. Garboczi. Ultrasonic evaluation methods applicable to polymer concrete composites. Gaithersburg, MD: National Institute of Standards and Technology, 2003. http://dx.doi.org/10.6028/nist.ir.6975.

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Bullard, Jeffrey W. Virtual cement and concrete testing laboratory :. Gaithersburg, MD: National Institute of Standards and Technology, 2010. http://dx.doi.org/10.6028/nist.ir.7707.

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Ferraris', Chiara F., and Francois de Larrard. Testing and modelling of fresh concrete rheology. Gaithersburg, MD: National Institute of Standards and Technology, 1998. http://dx.doi.org/10.6028/nist.ir.6094.

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DePaoli, D. W., M. T. Harris, and M. R. Ally. Testing and evaluation of electrokinetic decontamination of concrete. Office of Scientific and Technical Information (OSTI), October 1996. http://dx.doi.org/10.2172/383590.

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Clayton, Dwight A., Kyle Hoegh, and Lev Khazanovich. Thick Concrete Specimen Construction, Testing, and Preliminary Analysis. Office of Scientific and Technical Information (OSTI), March 2015. http://dx.doi.org/10.2172/1185937.

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Bullard, Jeffrey W. The virtual cement and concrete testing laboratory consortium:. Gaithersburg, MD: National Institute of Standards and Technology, 2003. http://dx.doi.org/10.6028/nist.ir.7096.

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