Bibliografías temáticas / Sonic integrity testing

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Literatura académica sobre el tema "Sonic integrity testing"

Autor: Grafiati

Publicado: 4 de junio de 2021

Última modificación: 11 de febrero de 2022

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Artículos de revistas sobre el tema "Sonic integrity testing"

Hung, Michael Y. Y. y H. M. Shang. "OS02W0433 Nondestructive testing of bonding integrity between tiles and wall using sonic-shearography". Abstracts of ATEM : International Conference on Advanced Technology in Experimental Mechanics : Asian Conference on Experimental Mechanics 2003.2 (2003): _OS02W0433. http://dx.doi.org/10.1299/jsmeatem.2003.2._os02w0433.

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Liong, Gouw Tjie. "Sonic Logging Vs PIT untuk Mendeteksi Integritas Pondasi Tiang". ComTech: Computer, Mathematics and Engineering Applications 2, n.º 2 (1 de diciembre de 2011): 1031. http://dx.doi.org/10.21512/comtech.v2i2.2853.

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Non destructive testing on piles can be divided into two main categories. The first category is to find out the integrity of the piles, such as pile integrity testing (PIT) and sonic logging. The second category is to find out the pile capacity, such as dynamic load testing/pile driving analysis. Since the early 1990s, the application of the tests was brought into practice and gained its popularity in Indonesia. However, the basic theory behind the testing has not been widely disseminated. This study tries to elaborate the first category of the testing, i.e. the pile integrity testing and sonic logging. The basic theory, the advantages and disadvantages, the application, the limitation and the interpretation of those techniques shall be discussed. Comparison on case studies of those testing methods also shall be given.

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Zhussupbekov, Askar, Yoshinori Iwasaki, Nurgul Shakirova y Eun Chul Shin. "CONTROL AND QUALITY OF PILES BY NON-DESTRUCTIVE EXPRESS METHODS: LOW STRAIN METHOD AND CROSS-HOLE SONIC LOGGING". International Journal for Computational Civil and Structural Engineering 15, n.º 1 (25 de marzo de 2019): 171–80. http://dx.doi.org/10.22337/2587-9618-2019-15-1-171-180.

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This paper described using Low Strain Method and Cross-Hole Sonic logging (CSL) for identify of integrity of bridge foundations of LRT in Astana, Kazakhstan. The CSL is a method prescribed by ASTM D6760 - 08, Standard Test Method for Integrity Testing of Concrete Deep Foundations. This method is considered to be more accurate than sonic echo testing in the determination of soundness of concrete. The sonic access tubes do not contribute to the structural capacity of the pile. The bored piles of LRT are 1.0^1.5 m of diameters and 10^55 m of lengths. Design bearing capacity of piles is more than 4500 kN. At the testing period were founded defects in foundation bodies. To check of integrity were conducted by static load tests. The CSL test is based on the length of time for an ultrasonic wave to be propagated between any two of the selected tubes. The velocity of the propagated wave depends on the material through which the wave is transmitted. The aim of this paper is to discuss the advantages and disadvantages of Low Strain Method and CSL methods by analysis of field testing. For checking integrity applying two methods - Low Strain Method and Cross-Hole Sonic Logging. The aim of this paper is to discuss the advantages and disadvantages of each method using the examples of a real application.

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Imada, Kazuo, Tatsunori Matsumoto y Masashi Nakabayashi. "Estimation of Pile Head Stiffness Using Analytical Results of Sonic Integrity Testing". Soils and Foundations 41, n.º 2 (abril de 2001): 123–32. http://dx.doi.org/10.3208/sandf.41.2_123.

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Lo, Kuo Feng, Sheng Huoo Ni, Jenq Jy Charng y Yan Hong Huang. "Time–Frequency Signal Analysis for Nondestructive Evaluation of Pile with Cap". Advanced Materials Research 47-50 (junio de 2008): 9–12. http://dx.doi.org/10.4028/www.scientific.net/amr.47-50.9.

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As stress waves decay as they pass through the pile foundation system, it is extremely challenging for all nondestructive testing methods to evaluate the pile integrity of a shaft underneath a structure. In this study, time–frequency signal analysis (TFSA) is used for signal processing and adopted to interpret the pile integrity testing signal. An experimental case with pile lengths of 58m with caps, were tested by the low strain sonic echo method. Traditional time domain analyses can not identify the pile tip response signals 58m lengths. After time-history curves are transformed into a time–frequency domain distribution, the results indicate the pile tip can be located more easily and clearly than the traditional time-domain analyses of pile integrity testing allowed for.

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Hung, Michael Y. Y. y Huai Min Shang. "OS2(4)-17(OS02W0433) Nondestructive Testing of Bonding Integrity Between Tiles and Wall Using Sonic-Shearography". Abstracts of ATEM : International Conference on Advanced Technology in Experimental Mechanics : Asian Conference on Experimental Mechanics 2003 (2003): 283. http://dx.doi.org/10.1299/jsmeatem.2003.283.

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Liao, Shu-Tao, Chin-Kuo Huang y Chung-Yue Wang. "Sonic echo and impulse response tests for length evaluation of soil nails in various bonding mediums". Canadian Geotechnical Journal 45, n.º 7 (julio de 2008): 1025–35. http://dx.doi.org/10.1139/t08-034.

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The objective of this paper is to present the results of research for evaluating the installed lengths of soil nails with nondestructive testing methods. Two closely related methods, the sonic echo test and the impulse response test, both of which had been widely applied to assess the integrity of drilled shafts and driven piles, were evaluated to test their capabilities on soil nails. To carry out this study, soil nails of various lengths were embedded in different surrounding materials in the laboratory and then tested with both methods to predict their lengths. The surrounding materials studied in this research included soil and cement grout. Finally, field tests for in situ soil nails were carried out. The results indicated that the relative stiffness of the soil nail to the bond material plays a very important role in the success of testing. It is hoped that through this kind of study, the capability and limitation of using these nondestructive testing techniques to determine the installed lengths or to evaluate the bonding conditions of soil nails can be better understood.

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Ni, S. H., J. J. Charng y K. F. Lo. "Nondestructive Evaluation of In-Isolation Pile Shaft Integrity by Wigner-Ville Distribution". Journal of Mechanics 23, n.º 1 (marzo de 2007): 15–21. http://dx.doi.org/10.1017/s1727719100001039.

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AbstractThe Wigner-Ville Distribution is a new numerical analysis tool for signal process technique in the time-frequency domain and it can offer assistance and enhance signal characteristics for better resolution both easily and quickly. Time-frequency transform can describe how a spectrum of signals changes with time owing to defects and boundary conditions. In this study, five single pre-cast concrete piles have been tested and evaluated by both sonic echo method and Wigner-Ville distribution (WVD). The appropriateness of time-frequency domain analysis is discussed. Furthermore, two difficult problems in nondestructive evaluation problems are discussed and solved: the first one is with a pile with slight defect, whose necking area percentage is less than 10%, and the other is a pile with multiple defects. The results show that WVD can not only recognize the characteristics easily, but also locate the defects more clearly than the traditional pile integrity testing method.

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NI, SHENG-HUOO, KUO-FENG LO y YAN-HONG HUANG. "NONDESTRUCTIVE INTEGRITY EVALUATION OF PC PILE USING WIGNER-VILLE DISTRIBUTION METHOD". Modern Physics Letters B 22, n.º 11 (10 de mayo de 2008): 959–64. http://dx.doi.org/10.1142/s021798490801567x.

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Nondestructive evaluation (NDE) techniques have been used for years to provide a quality control of the construction for both drilled shafts and driven concrete piles. This trace is typically made up of transient pulses reflected from structural features of the pile or changes in its surrounding environment. It is often analyzed in conjunction with the spectral response, mobility curve, arrival time, etc. The Wigner-Ville Distribution is a new numerical analysis tool for signal process technique in the time-frequency domain and it can offer assistance and enhance signal characteristics for better resolution both easily and quickly. In this study, five single pre-cast concrete piles have been tested and evaluated by both sonic echo method and Wigner-Ville distribution (WVD). Furthermore, two difficult problems in nondestructive evaluation problems are discussed and solved: the first one is with a pile with slight defect, whose necking area percentage is less than 10%, and the other is a pile with multiple defects. The results show that WVD can not only recognize the characteristics easily, but also locate the defects more clearly than the traditional pile integrity testing method.

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Zhussupbekov, Askar, Ivan Morev, Gulzhanat Tanyrbergenova y Nurgul Shakirova. "Evaluation of the quality of pile foundations by different methods". MATEC Web of Conferences 265 (2019): 05013. http://dx.doi.org/10.1051/matecconf/201926505013.

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At the present time, in Astana city is going on works by construction public transport system LRT (Light Railway Transport). LRT is an overhead road with two railway lines. The first stage of construction is including construction of overhead road (bridge) with 22.4 km length and 18 stations. The foundation of bridge is the bored piles with cross-section of 1.0-1.5 m and length of 8-35 m. A design bearing capacity of pile is 4500-8000 kN. Chinese drilling rigs Zoomlion was used for soil boring without casing. A polymer slurry is used to maintain the walls of boreholes in sand and gravel soils. In these conditions very important point is the integrity of concrete body of each bored piles. For checking the integrity was used two methods – the Low Strain Method and the Cross-Hole Sonic Logging. The aim of this paper is finding the advantages and disadvantages of each method which applying on testing site.

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Tesis sobre el tema "Sonic integrity testing"

Palm, Martin. "Single-hole sonic logging - A study of possibilities and limitations of detecting flaws in piles". Thesis, KTH, Bro- och stålbyggnad, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-99377.

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As a part of the Dutch development program Geo-impulse, which aims to half the occurrence of geotechnical failures in civil engineering projects inside the Netherlands by 2015, this master thesis is investigating how to trace imperfections in bored piles at an early stage. The objective is to carry out literature study on suitable methods and then focus the research on one particular method. The basis of the research is the single-hole sonic logging method. Field and laboratory measurements are carried out with the aim to investigate the detection range of the method as well as try to apply more advanced post-processing techniques. Results from the measurements are discussed and also a comparison between single-hole sonic logging and the better standardized test cross-hole sonic logging is made. The results indicate that single-hole sonic logging has a small detection range inside a bored pile, especially compared to cross-hole sonic logging. Also more advanced post-processing techniques fails or make the test to advance to use on a daily basis. Finally the recommendation is to carry on research with other techniques which in scientific papers have showed some promising results.

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Libros sobre el tema "Sonic integrity testing"

Sonic Integrity Testing of Deep Foundations (1987). A half day seminar, Sonic Integrity Testing of Deep Foundations: Wednesday, October 28, 1987. [Vancouver, B.C: BiTech Publishers Ltd., 1987.

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Down-to-Earth and Up-to-Date. 2^a ed. Rotterdam, The Netherlands: Fugro N.V., 2002.

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Actas de conferencias sobre el tema "Sonic integrity testing"

Messer, Barry, Jose R. Fuentes, Bart Tarleton y Peter den Boer. "Novel Ultrasonic Testing of Complex Welds". En ASME 2005 Pressure Vessels and Piping Conference. ASMEDC, 2005. http://dx.doi.org/10.1115/pvp2005-71408.

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Fluor and RTD have recently applied an ultrasonic testing (UT) technique that incorporates a phased array to field and shop operations. The new technique allows verification of weld integrity for difficult to access welds such as branch connection fittings and full penetration groove welds with fillet reinforcements. Verification of these types of welds is a necessity for power, oil and gas facilities, in particular, those operating under high pressure, high temperature, and corrosive environments. Historically, visual inspections of welds and radiograph testing (RT) have been used, but these methods are costly, time-consuming, and cannot match the benefits of the new UT phased array (UT-PA) method. The UT-PA technique has an arrangement of multiple piezoelectric elements that are independently controlled for developing synchronized and manageable sonic waves. The technique requires less time than conventional UT, is not hazardous as compared to RT, and allows for 100% volumetric inspection. Other advantages of UT-PA include its ease of use, increased accuracy, and development of instantaneous digital inspection records for tracking defect propagations in the future. The present work describes the application of this nondestructive examination (NDE) technique to a branched connection of an ASTM B564 outlet fitting to both an ASTM A608 modified 20Cr-32Ni-Nb statically cast header and an HP45 modified tee. An outline of the advantages for the UT-PA method is also included which explains the rationale that, in the future, will cause the welding industry to rely more on modified UT advanced imaging.

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Cahill, Q., R. Marsh, D. Calogero y B. Dutta. "Predictive Modelling and Technical Design Application into Effective Casing Wear Operational Management Plan". En IADC/SPE Asia Pacific Drilling Technology Conference. SPE, 2021. http://dx.doi.org/10.2118/201076-ms.

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Abstract Predicting casing wear has often been regarded as an empirical art as there are many influencing factors, including but not limited to the sizes and grades of the drill pipe and casing, type of hardbanding, drilling fluid properties, rate of penetration, trajectory and formation properties. Formations present in offshore Western Australia often contain loose and friable sands which produce highly abrasive cuttings which, when suspended and circulated in drilling fluid, are known to exacerbate casing wear. Casing wear is considerably worse in deviated and multilateral (ML) wells; Woodside's experience drilling ML wells has involved costly non-productive time (NPT) due to the subsequent requirement for remedial tieback systems to maintain well integrity. In 2018 and 2019 three tri-lateral wells were drilled as part of the larger Greater Enfield Project drilling campaign. Each of the multilateral wells were progressively longer and more challenging with regard to casing wear. Previous experience on nearby wells in analogous fields identified casing wear as a significant risk for the project. Further to this, an opportunity was identified to design the longest tri-lateral well as a quad-lateral well, which would allow increased recovery if reservoir quality was poorer than expected. The Drilling and Completion Engineering team were challenged with proving that casing wear could be effectively evaluated and managed during operations to allow a quad-lateral well design if required. Several key areas were investigated in order to effectively manage casing wear. These included: Assessment and measurement of casing manufacturing tolerances;Predictive casing wear modelling using well offsets in conjunction with casing wear software;Casing connection finite element analysis and mechanical hardbanding testing;Full length ultra-sonic testing of casing for wall thickness benchmarking;Hardbanding management plan (which formed part of the overall drill pipe fatigue management plan);Casing wear management plan based on well offsets and casing wear software modelling results, including additional controls such as 'krev' and swarf monitoring;Planning and execution of casing wear logging;Post well evaluation. The casing wear operational plan was effective in monitoring and limiting the amount of wear. It provided confidence to the management team that successful execution of a quad-lateral well was feasible. This paper will describe the steps taken to minimise casing wear, discuss comparisons between the predicted wear and the actual measured casing wear, and provide a recommended workflow for predicting casing wear in future wells where casing wear is a critical factor.

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Grimes, Joseph y Alberto Nunez de Alvarez. "Utilizing Circumferential MFL for the Detection of Linear and Axially Oriented Metal Loss Anomalies in Pipelines". En 2008 7th International Pipeline Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/ipc2008-64275.

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In-line inspection (ILI) technologies have advanced quite significantly since their first usage over 30 years ago. This has been even more evident over the last 5–10 years. Technological developments in electronics, computing power, combined with an increased and better understanding of complex physical applications have lead to the latest generation of in-line inspection technologies which have been commercially available over this same time period. The owner / operators of the liquid and gas pipeline systems are faced with an increased awareness of their aging infrastructures and they are looking to the experts and providers of the latest technological developments to assist them in their efforts to manage and maintain pipeline integrity. ILI has proven time- and time again to be the most useful and cost effective tool that pipeline operators have to ensure safe, reliable and economic operation of their pipeline system(s). One of the main challenges that the industry is currently facing is the early detection of long narrow, axially oriented defects in pipelines. There have been various efforts within the industry to accomplish the goal of producing an efficient system that is economically feasible as well as reliable. In an effort to meet the demand for an in-line inspection tool that can meet the challenge, ILI companies have developed different applications. Ultra-sonic tools have been researched, developed, and used commercially in an effort to detect axially oriented anomalies affecting both pipe body and longitudinal weld seam. However, a tool utilizing UT technology is highly dependant upon the pipe’s functionality and medium (gas / liquid), and thus, is prone to incomplete and/or unacceptable survey data. Taking this into account, the utilization of UT technology for these purposes can be very costly with limited results. Because of the limitations and issues that UT tools experiences, ILI providers also researched the feasibility of utilizing proven MFL technology in this application. After proper development and testing, Circumferential Magnetic Flux Leakage technology was released for the inspection of pipelines — specifically, pipeline systems that were in need of longitudinal seam weld inspection. ROSEN’s solution to this challenge is the Axial Flaw Detection (AFD) tool. The AFD tool utilizes Magnetic Flux Leakage (MFL) technology by applying a circumferential magnetic field (CMFL), as opposed to the traditional axial oriented application of the field, to the pipe wall in order to detect and characterize anomalies which are linear and/or axially oriented that a typical MFL tool would under grade or not even detect. This article is meant to give the reader a better understanding of the technology as well as the development process of complex in-line inspection in today’s comprehensive and demanding pipeline industry. It will also provide historical findings within controlled environments and statistics from dig verifications from actual surveys.

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