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Analysis Of The Bubblepoint Test For Determining The Pore Size Distribution Of Geotexiles
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Book Synopsis Comparative Evaluation of Geotextile Pore Sizes Using Bubble Point Test and Image Analysis by : AH. Aydilek
Download or read book Comparative Evaluation of Geotextile Pore Sizes Using Bubble Point Test and Image Analysis written by AH. Aydilek and published by . This book was released on 2007 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: Analysis of the filtration performance of a geotextile filter necessitates accurate information about the size distribution of geotextile pore openings. The effectiveness of the bubble point test in determining the pore and constriction sizes of geotextiles was evaluated. The characteristic woven geotextile pore and nonwoven geotextile constriction sizes, O95, were determined for a variety of specimens and compared with both the manufacturers' reported AOS values, and with those determined from the two previously developed image-based procedures and theoretical equations. The results indicated that the O95 sizes of woven mono and multifilament geotextiles determined by image analyses compared well with the AOS values, whereas the same observations were not made for the bubble point-based O95 sizes. The O95 constriction sizes of various nonwoven geotextiles obtained by the bubble point test were not comparable to the manufacturers' reported AOS values, indicating the limitation of ASTM D 4751 in determining constriction sizes. A direct method, such as image analysis, may be a better approach for determining the pore sizes of woven geotextiles, whereas the bubble point method should be preferred to determine constriction sizes in a nonwoven geotextile. Recommendations are made in regard to improvements in the current ASTM standard on bubble point testing.
Book Synopsis Analysis of the Bubblepoint Test for Determining the Pore Size Distribution of Geotexiles by : David L. Howie
Download or read book Analysis of the Bubblepoint Test for Determining the Pore Size Distribution of Geotexiles written by David L. Howie and published by . This book was released on 2002 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Comparisons Between Geotextile Pore Sizes Obtained from Capillary Flow And Dry Sieving Tests by : Nuzhath Fatema
Download or read book Comparisons Between Geotextile Pore Sizes Obtained from Capillary Flow And Dry Sieving Tests written by Nuzhath Fatema and published by . This book was released on 2020 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the United States of America, two standard methods of measuring the largest pore size of a geotextile have been accepted: Dry Sieving Test (ASTM D4751, Standard Test Methods for Determining Apparent Opening Size of a Geotextile ) and Capillary Flow Test (ASTM D6767, Standard Test Method for Pore Size Characteristics of Geotextiles by Capillary Flow Test ). Despite several drawbacks of Dry Sieving Tests, such as the amount of time required; tendency of glass beads to become trapped, including trapping of glass beads inside the geotextiles; likelihood of imprecise preparation of glass beads; and potential electrostatic effects, the largest pore size (apparent opening size [AOS], O 95 ) results obtained from Dry Sieving Test still determines many filtration criteria. Although the Capillary Flow Test was approved in 2002, it is still not widely adopted, despite the fact that it provides the largest pore size (Bubble Point, O 98 ) and a complete pore size distribution of a geotextile. Decades of analyses searched for a correlation between the Dry Sieving and Capillary Flow Test results; however, none of them have been widely accepted because of the limited number of geotextiles used and a lack of proper calibration. The current study investigates a possible correlation between the Dry Sieving and Capillary Flow Test results with 51 woven, nonwoven, and composite geotextiles. The Capillary Flow Porometer was calibrated using four thin metal plates with known pore openings and two membranes. This study describes the challenges experienced during the Capillary Flow Test and factors affecting the test results. One finding is that the cleaning of calibration materials and equipment with Methanol plays an important role in the Capillary Flow Test results. The use of different shape factors, contact angles, and wetting liquids in the analyses are also considered. The outliers of Capillary Flow Test results were removed from the analysis using a box plot and whisker diagram, and a good correlation between AOS and Bubble Point ( R 2 =0.78) was established.
Download or read book Geotextiles written by Amit Rawal and published by CRC Press. This book was released on 2010-10-06 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt: The monograph critically reviews most commonly used geotextile structures, their properties and performance characteristics. In general, both natural and synthetic fibres are used for the production of geotextiles, and the advantages and disadvantages of each type of fibre are discussed for various applications of geotextiles. The important functio
Book Synopsis Geosynthetics and Their Applications by : Sanjay Kumar Shukla
Download or read book Geosynthetics and Their Applications written by Sanjay Kumar Shukla and published by Thomas Telford. This book was released on 2002 with total page 465 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presents topics that are based on field application areas for geosynthetics in civil engineering. This book also includes case histories and practical aspects of the application of geosynthetics, along with developments and references. It is useful for students and engineers in search of approaches to solutions for civil engineering problems.
Book Synopsis Residual Fluid as a Source of Error in Bubble Point Testing by : David Elton
Download or read book Residual Fluid as a Source of Error in Bubble Point Testing written by David Elton and published by . This book was released on 2009 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: The bubble point test (ASTM D6767) is a method of calculating the pore size distribution of geotextiles. ASTM D6767 allows a variety of wetting fluids to be used in the test. However, different fluids are found to produce different pore size distributions, even though relevant fluid properties are supposedly accounted for in the data reduction (Elton, D. J., Hayes, D. W., Adanur, S., Geotech. Test. J., Vol. 30, No. 1, 2007, pp. 9-16). The ASTM D6767 data reduction is found to be theoretically incorrect. The effect of residual wetting fluid on the pore size distribution is examined. Residual fluid is defined as fluid that remains on the walls of a previously saturated pore after the critical pressure for the fluid in the pore has been reached (after the bubble point pressure is reached). Since the phenomenon of residual fluid is not considered in ASTM D6767, it presents a source of error. Bretherton's law suggests residual fluid errors will be reduced by using fluids with a small viscosity to surface tension ratio.
Book Synopsis Handbook of Nonwovens by : S. J. Russell
Download or read book Handbook of Nonwovens written by S. J. Russell and published by Woodhead Publishing. This book was released on 2022-05-31 with total page 650 pages. Available in PDF, EPUB and Kindle. Book excerpt: Handbook of Nonwovens, Second Edition updates and expands its popular interdisciplinary treatment of the properties, processing, and applications of nonwovens. Initial chapters review the development of the industry and the different classes of nonwoven material. The book then discusses methods of manufacture such as dry-laid, wet-laid, and polymer-laid web formation. Other techniques analyzed include mechanical, thermal, and chemical bonding, as well as chemical and mechanical finishing systems. The book concludes by assessing the characterization, testing, and modeling of nonwoven materials.Covering an unmatched range of materials with a variety of compositions and manufacturing routes, this remains the indispensable reference to nonwovens for designers, engineers, materials scientists, and researchers, particularly those interested in the manufacturing of automotive, aerospace, and medical products. Nonwovens are a unique class of textile material formed from fibers that are bonded together through various means to form a coherent structure. The range of properties they can embody make them an important part of a range of innovative products and solutions, which continues to attract interest from industry as well as academia. - Describes in detail the manufacturing processes of a range of nonwoven materials - Provides detailed coverage of the mechanical and thermal properties of non-woven fabrics - Includes extensive updates throughout on the characterization and testing of nonwovens - Explains how to model nonwoven structures
Book Synopsis An Introduction to Geosynthetic Engineering by : Sanjay Kumar Shukla
Download or read book An Introduction to Geosynthetic Engineering written by Sanjay Kumar Shukla and published by CRC Press. This book was released on 2017-07-12 with total page 466 pages. Available in PDF, EPUB and Kindle. Book excerpt: The development of the use of polymeric materials in the form of geosynthetics has brought about major changes in the civil engineering industry. Geosynthetics are available in a wide range of compositions appropriate to different applications and environments. Over the past three to four decades, civil engineers have grown increasingly interested
Book Synopsis Membrane Characterization by : Nidal Hilal
Download or read book Membrane Characterization written by Nidal Hilal and published by Elsevier. This book was released on 2017-02-18 with total page 460 pages. Available in PDF, EPUB and Kindle. Book excerpt: Membrane Characterization provides a valuable source of information on how membranes are characterized, an extremely limited field that is confined to only brief descriptions in various technical papers available online. For the first time, readers will be able to understand the importance of membrane characterization, the techniques required, and the fundamental theory behind them. This book focuses on characterization techniques that are normally used for membranes prepared from polymeric, ceramic, and composite materials. - Features specific details on many membrane characterization techniques for various membrane materials of industrial and academic interest - Contains examples of international best practice techniques for the evaluation of several membrane parameters, including pore size, charge, and fouling - Discusses various membrane models more suitable to a specific application - Provides examples of ab initio calculations for the design, optimization, and scale-up of processes based on characterization data
Book Synopsis Fundamentals of Geosynthetic Engineering by : Sanjay Kumar Shukla
Download or read book Fundamentals of Geosynthetic Engineering written by Sanjay Kumar Shukla and published by CRC Press. This book was released on 2006-04-28 with total page 428 pages. Available in PDF, EPUB and Kindle. Book excerpt: The development of polymeric materials in the form of geosynthetics has brought major changes to the area of Civil Engineering. Increasing interest in these materials and their use has resulted in significant advances in their practical applications in the last few decades. Following this progress, geosynthetics have become a common and favoured co
Book Synopsis Testing of Textile and Fibrous Materials by : Apurba Das
Download or read book Testing of Textile and Fibrous Materials written by Apurba Das and published by CRC Press. This book was released on 2024-02-28 with total page 419 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains detailed knowledge about testing principles of fibre, yarn, and fabric characteristics, the tensile characteristics of materials and testing of fibrous-composites and technical textiles. It starts with an introduction to textile testing and further covers moisture in relation to textile materials, sampling techniques for textile materials and the basic applied statistics, fibre characteristics, fibre length, cotton fibre fineness and maturity characteristics. It also deals with the advanced characterisation of cotton fibre by using HVI and AFIS systems. Features: It covers the principles of the testing of textile and fibrous materials along with modern techniques for testing textile materials It reviews all necessary topics related to fibre, yarn, fabric, technical textiles, and composite testing It explores the tensile characteristics of textile materials and measurement principles It discusses low-stress mechanical characteristics and transmission characteristics It includes a large number of examples and exercises based on actual industrial conditions worldwide including solutions This textbook is aimed at senior undergraduate students in textile testing and evaluation of textile materials.
Book Synopsis Advances in Technical Nonwovens by : George Kellie
Download or read book Advances in Technical Nonwovens written by George Kellie and published by Woodhead Publishing. This book was released on 2016-05-17 with total page 530 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Technical Nonwovens presents the latest information on the nonwovens industry, a dynamic and fast-growing industry with recent technological innovations that are leading to the development of novel end-use applications. The book reviews key developments in technical nonwoven manufacturing, specialist materials, and applications, with Part One covering important developments in materials and manufacturing technologies, including chapters devoted to fibers for technical nonwovens, the use of green recycled and biopolymer materials, and the application of nanofibres. The testing of nonwoven properties and the specialist area of composite nonwovens are also reviewed, with Part Two offering a detailed and wide-ranging overview of the many applications of technical nonwovens that includes chapters on automotive textiles, filtration, energy applications, geo- and agrotextiles, construction, furnishing, packaging and medical and hygiene products. - Provides systematic coverage of trends, developments, and new technology in the field of technical nonwovens - Focuses on the needs of the nonwovens industry with a clear emphasis on applied technology - Contains contributions from an international team of authors edited by an expert in the field - Offers a detailed and wide-ranging overview of the many applications of technical nonwovens that includes chapters on automotive textiles, filtration, energy applications, geo- and agrotextiles, and more
Book Synopsis Recent Developments in Geotextile Filters and Prefabricated Drainage Geocomposites by : Shobha Krishna Bhatia
Download or read book Recent Developments in Geotextile Filters and Prefabricated Drainage Geocomposites written by Shobha Krishna Bhatia and published by ASTM International. This book was released on 1996 with total page 241 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides information on woven and non-woven geotextiles used for filtering and drainage in geotechnical engineering. The design of such filters balances large pores for adequate permeability with smaller pores for proper soil retention. Of the 15 papers from a June 1995 symposium in Denver, Colorado
Download or read book Géotechnique written by and published by . This book was released on 2002 with total page 428 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings of the Fifth International Conference on Geotextiles, Geomembranes, and Related Products, Singapore, 5-9 September 1994 by : G. P. Karunaratne
Download or read book Proceedings of the Fifth International Conference on Geotextiles, Geomembranes, and Related Products, Singapore, 5-9 September 1994 written by G. P. Karunaratne and published by . This book was released on 1994 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Annual Book of ASTM Standards by : ASTM International
Download or read book Annual Book of ASTM Standards written by ASTM International and published by . This book was released on 2003 with total page 492 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advanced Characterization and Testing of Textiles by : Patricia I. Dolez
Download or read book Advanced Characterization and Testing of Textiles written by Patricia I. Dolez and published by Woodhead Publishing. This book was released on 2017-09-19 with total page 476 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advanced Characterization and Testing of Textiles explores developments in physical and chemical testing and specific high-performance tests relating to textiles. The book introduces the principles of advanced characterization and testing, including the importance of performance-based specifications in the textiles industry. Chapters are organized by textile properties, providing in-depth coverage of each characteristic. Tests for specific applications are addressed, with the main focus on high-performance and technical textiles. - Focuses on advanced testing methods for technical and high-performance textiles, covering state-of-the-art technology in its field - Details specific textile properties and associated testing for each characteristic
