Articles by "Geosynthetics"

Showing posts with label Geosynthetics. Show all posts

Jonathan T. H. Wu ... 360 pages - Publisher: Wiley-Blackwell; (March, 2019) ... Language: English - ISBN-10: 1119375843 - ISBN-13: 978-1119375845.

The first book to provide a detailed overview of Geosynthetic Reinforced Soil Walls: Geosynthetic Reinforced Soil (GRS) Walls deploy horizontal layers of closely spaced tensile inclusion in the fill material to achieve stability of a soil mass. GRS walls are more adaptable to different environmental conditions, more economical, and offer high performance in a wide range of transportation infrastructure applications. This book addresses both GRS and GMSE, with a much stronger emphasis on the former. For completeness, it begins with a review of shear strength of soils and classical earth pressure theories. It then goes on to examine the use of geosynthetics as reinforcement, and followed by the load-deformation behavior of GRS mass as a soil-geosynthetic composite, reinforcing mechanisms of GRS, and GRS walls with different types of facing. Finally, the book finishes by covering design concepts with design examples for different loading and geometric conditions, and the construction of GRS walls, including typical construction procedures and general construction guidelines. 

The number of GRS walls and abutments built to date is relatively low due to lack of understanding of GRS. While failure rate of GMSE has been estimated to be around 5%, failure of GRS has been found to be practically nil, with studies suggesting many advantages, including a smaller susceptibility to long-term creep and stronger resistance to seismic loads when well-compacted granular fill is employed. Geosynthetic Reinforced Soil (GRS) Walls will serve as an excellent guide or reference for wall projects such as transportation infrastructure—including roadways, bridges, retaining walls, and earth slopes—that are in dire need of repair and replacement in the U.S. and abroad. Covers both GRS and GMSE (MSE with geosynthetics as reinforcement); with much greater emphasis on GRS walls. Showcases reinforcing mechanisms, engineering behavior, and design concepts of GRS and includes many step-by-step design examples. Features information on typical construction procedures and general construction guidelines. Includes hundreds of line drawings and photos. Geosynthetic Reinforced Soil (GRS) Walls is an important book for practicing geotechnical engineers and structural engineers, as well as for advanced students of civil, structural, and geotechnical engineering.

S. Kumar Shukla ... 456 pages - Publisher: Thomas Telford Publishing; (January, 2002) ... Language: English - ISBN-10: 0727731173 - ISBN-13: 978-0727731173.

Geosynthetics are being used extensively throughout the world as they offer the most efficient and cost-effective solutions of a myriad of civil engineering problems. If properly protected, geosynthetics have the potential of functioning for hundreds of years. Rational design methods - based on sound concepts and standardized text techniques for determining the technical properties of geosynthetics - are now available, placing the use of geosynthetics on a firm base.

T. Thyagaraj ... 406 pages - Publisher: Springer; (September, 2018) ... Language: English - ASIN: B07H1P5CLC by Amazon

The book comprises select proceedings of the 2016 annual conference of the Indian Geotechnical Society (IGC 2016), with technical papers on the theme “Ground Improvement and Geosynthetics”. The papers cover a wide range of topics, including chemical modification using admixtures, microbial-induced carbonate precipitation, geopolymers, fly ash and other industrial wastes, modification using geosynthetic materials such as natural and synthetic fibers, expanded polystyrene (EPS) geofoam, prefabricated vertical drains, geosynthetic encased-granular columns and mechanical densification through sand columns. This book is a valuable reference for researchers and practicing engineers alike.

Guangxin Li, Yunmin Chen, Xiaowu Tang ... 1300 pages - Publisher: Springer; (October, 2008) ... Language: English - ISBN-10: 3540693122 - ISBN-13: 978-3540693123

Geosynthetics in Civil and Environmental Engineering presents contributions from the 4th Asian Regional Conference on Geosynthetics held in Shanghai, China. The book covers a broad range of topics, such as: fundamental principles and properties of geosynthetics, testing and standards, reinforcement, soil improvement and ground improvement, filter and drainage, landfill engineering, geosystem, transport, geosynthetics-pile support system and geocell, hydraulic application, and ecological techniques. Special case studies as well as selected government-sponsored projects such as the Three Gorges Dam, Qinghai-Tibet Railway, and Changi Land reclamation project are also discussed. The book will be an invaluable reference in this field.

Robert M. Koerner ... 816 pages - Publisher: Prentice Hall; 5th edition (April, 2005) ... Language: English - ISBN-10: 0131454153 - ISBN-13: 978-0131454156

Geosynthetic materials have entered the mainstream in the professional arena and are no longer considered new construction material. Professionals need to keep up with the nuances of how geosynthetics work. Emphasizes design by function; overviews all types of geosynthetics, with stand-alone units on particular materials. Uses S.I. units for all problems and examples. Expands coverage of containers and tubes in the geotextile chapter. Discusses walls and slope design, including seismic analysis, in the geogrid chapter. Treats wet landfills, agricultural waste, waste stability, and dam waterproofing in the geomembrane chapter. Discusses new products and related performances in the geosynthetic clay liner chapter. Discusses new products and related behavior, including fiber reinforcement and wall drainage, in the geocomposite chapter. Adds a completely new chapter on geofoam. A useful reference for transportation, geotechnical, environmental, and hydraulics professionals and engineers.

Alva Peled, Arnon Bentur, Barzin Mobasher ... 512 pages - Publisher: CRC Press; (August, 2016) ... Language: English - ISBN-10: 1466552557 - ISBN-13: 978-1466552555  ...

Textile reinforced concrete (TRC) has emerged in recent years as an attractive new high performance cement-based composite. Textiles can significantly improve the mechanical behavior of cement matrices under static and dynamic conditions, and give superior tensile strength, toughness, ductility, energy absorption and protection against environmental degrading influences. Flexibility with fabric production methods enables the control of fabric and yarn geometry. This, along with the ability to incorporate into the fabric a range of yarns of different types and performances, as well as cement matrix modifications, enables design of the composite to a wide range of needs. The book is intended to provide a comprehensive treatment of TRC, covering the basic fundamentals of the composite material itself and the principles governing its performance on a macro-scale as a component in a structure. It provides in-depth treatment of the fabric, methods for production of the composite, the micro-mechanics with special attention to the role of bonding and microstructure, behavior under static and dynamic loading, sustainability, design, and the applications of TRC composites.

R. M. Koerner ... 280 pages - Publisher: Elsevier Science (October 22, 2013) - Language: English - ASIN: B01E3IBEOU ...

Geosynthetics can, and have, played a pivotal role in providing the primary functions of filtration, drainage and erosion control. Within each category this book counterpoints the design, testing and performance of the various materials against one another.

R. W. Sarsby ... 312 pages - Publisher: Woodhead Publishing; 1st edition (January, 2007) ... Language: English - ISBN-10: 1855736071 - ISBN-13: 978-1855736078 ...

Geosynthetics are man-made polymer-based materials which facilitate cost effective building, environmental, transportation and other construction projects. Given their versatility, geosynthetics are a vital material in all aspects of civil engineering. The first section of the book covers the fundamentals of geosynthetics. Chapters discuss the design and durability of geosynthetics together with their material properties and international standards governing their use. Building on these foundations, part two examines the various applications of geosynthetics in areas such as filters, separators, landfills, barriers and foundation materials. The book concludes by reviewing methods of quality assurance and the service life of geosynthetics. Written by an international team of contributors, Geosynthetics in civil engineering is an essential reference to all those involved in civil engineering. Discusses the fundamentals of geosynthetics + Examines various applications in areas such as filters, separators, landfills and foundation materials + Reviews quality assurance and the service life of geosynthetics.

Sanjay Kumar Shukla ... 472 pages - Publisher: CRC Press; (June, 2016) ... Language: English - ISBN-10: 113802774X - ISBN-13: 978-1138027749.

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 in geosynthetics and in understanding their correct use. Simultaneously, significant advances have been made in the use of geosynthetics in civil engineering applications as well as in the areas of aquaculture, agriculture and mining engineering. These developments have occurred because of the ongoing dialogue among leading engineers and researchers from several organizations and academic institutions. This concise introductory textbook on geosynthetics deals with the basic concepts of the subject, especially for meeting the requirements of senior undergraduate/graduate students as well as of practising engineers who have not been exposed to geosynthetics thus far. It includes recently developed fundamental concepts and new applications covering the use of polymer and other fibres in soil improvement.

Werner W. Müller ... 485 pages - Publisher: Springer; (November, 2006) ... Language: English - ISBN-10: 3540372865 - ISBN-13: 978-3540372868 ...

High-density Polyethylene (HDPE) geomembranes are widely used for liners and sealings in geotechnical engineering. Common applications include lining of ponds, dams and dykes, landfill underliners and cover systems, remediation of contaminated sites, waterproofing for tunnels, and beneath highways. This handbook covers all aspects of the field: basic materials, geomembrane manufacture, textured geomembranes, long-term performance and testing, installation and welding of geomembranes, quality assurance and control, leak detection, standards, recommendations and regulations. From The Back Cover: HDPE (High-density polyethylene) geomembranes are nowadays widely used for large-area liners and construction sealings in geotechnical engineering. Lining of water ponds, dams and dykes, landfill base liners and cover systems, remediation of contaminated sites, waterproof for tunnels, beneath highways and for various other civil engineering constructions are a few examples of application. The book covers all aspects of the HDPE geomembrane field: HDPE materials, geomembrane manufacture, textured geomembranes, properties, long-term performance and testing, installation and welding of geomembranes, quality assurance and control, leak detection, standards, recommendations and regulations. Various important topics are treated in detail. As part of it, the basic physical and chemical facts necessary to fully understand HDPE geomembrane properties and performance are carefully developed and explained. The book may therefore serve as a true handbook for manufacturers, designers, testing and inspection engineers and consultants and representatives of responsible administrations giving all relevant facts for appropriate design, manufacture and installation, testing and assessment of performance. Parts of it may also be used as textbook for lectures or seminars on geosynthetics and geotechnical or geoenvironmental engineering with geosynthetics in faculties of materials science and civil engineering.

Buddhima Indraratna, Jian Chu, Cholachat Rujikiatkamjorn ... 
796 pages - Publisher: Butterworth-Heinemann; 1st edition (June, 2015) ...
Language: English - ISBN-10: 0081006985 - ISBN-13: 978-0081006986 ... 

Written by an international group of contributors, Ground Improvement Case Histories: Compaction, Grouting and Geosynthetics provides over 700 pages of international case-histories. Each case-history provides an overview of the specific technology followed by applications, with some cases offering a comprehensive back-analysis through numerical modelling. Specific case-histories include: The Use of Alternative and Improved Construction Materials and Geosynthetics in Pavements, Case Histories of Embankments on Soft Soils and Stabilisation with Geosynthetics, Ground Improvement with Geotextile Reinforcements, Use of Geosynthetics to aid Construction over Soft Soils and Soil Improvement and Foundation Systems with Encased Columns and Reinforced Bearing Layers. Comprehensive analysis methods  using numerical modelling methods + Features over 700 pages of contributor generated case-histories from all over the world + Offers field data and clear observations based on the practical aspects of the construction procedures and treatment effectiveness.

Tapobrata Sanyal ... 218 pages - Publisher: Springer; 1st edition (September, 2016) ...
Language: English - ISBN-10: 9811019312 - ISBN-13: 978-9811019319 ...

This book presents a first-of-its-kind exposition on the emerging technology of jute fiber geotextiles. The book covers the characteristics of jute fiber and jute yarns, types and functions of jute geotextiles, and the mechanism of control of surficial soil with jute geotextiles. The content also includes applications such as the mechanisms of functioning of jute geotextiles in strengthening road sub-grade and controlling river bank erosion, stabilization of earthen embankments, management of settlement of railway tracks, and consolidation of soft soil by use of pre-fabricated vertical jute drains (PVJD). Geotextile standards, properties and test methods, variants of jute geotextiles, economical and environmental advantages in different applications are covered along with a few case studies. A chapter on soil basics is included to enable clearer understanding of soil mechanisms. The book can be used as a reference work or as primary or supporting text for graduate and professional coursework. It will also prove useful to researchers and practicing engineers looking for a comprehensive treatise on jute geotextiles.

Adam Bezuijen, E. W. Vastenburg ... 
164 pages - Publisher: CRC Press; 1st edition (November 14, 2012)
Language: English - ISBN-10: 0415621488 - ISBN-13: 978-0415621489

Geotextile encapsulated sand elements are three-dimensional systems manufactured from textile materials, non-woven materials or combinations of textile and non-woven materials that are filled with sand on-site. These systems are relatively new and the number of applications is growing in river and coastal engineering. Quite often Geosystems are mentioned as a possible solution, but planners, designers and contractors feel rather hesitant about the application of geotextile encapsulated sand elements due to a lack of experience and adequate design rules.

The use of geosystems has the advantage that local material can be applied and that no (expensive) quarry stone needs to be extracted and transported from the mountains to the site. Compared to traditional construction methods (with quarry stone) the application of geotextile sand filled elements may add considerable operational advantages to the execution of marine works and may offer attractive financial opportunities. In the application of geotextile encapsulated sand elements however, proper attention should be paid to the laying down of different responsibilities of the parties in the contract.

In Geosystems. Design Rules and Applications four types of geotextile sand elements are distinguished, each with specific properties: geo-bags, geo-mattresses, geotextile tubes and geotextile containers. The focus is on the use of geosystems filled with sand as a construction in river and coastal engineering. Geosystems filled with sludge are not covered. The chapters “Introduction” and “General design aspects” are followed by four chapters of the same structure dealing with the various systems. Each of these four chapters starts with a general description and applications and ends with a calculation example. Design aspects are dealt with in the remaining paragraphs.

Geosystems. Design Rules and Applications is based on research commissioned by the Dutch Rijkswaterstaat and Delft Cluster. The realisation of the Dutch version was coordinated by a CUR-committee. The English version is a translation of the Dutch version (CUR-publication 217). However, new developments have been added and the text was checked once again and improved. Geosystems. Design Rules and Applications is an essential reference for professionals and academics interested in River and Coastal Engineering, but aims also at those interested in Geotechnical Engineering.

L. David Suits, James B. Goddard, John S. Baldwin ...
121 pages - Publisher: ASTM International; (March 1, 2000)
Language: English - ISBN-10: 0803128606 - ISBN-13: 978-0803128606

This unique volume provides new information on the testing, application, and installation of geosynthetics used in drainage applications in roadway and landfills. 9 papers divided into 3 sections cover the following: Field Performance Studies--examines the performance of 3 different geocomposite materials. They include a geonet with a geotextile, a geopipe wrapped with a geotextile, and geocomposite capillary drain barrier. Pavement Design And Drainage--describes the use of geocomposite drainage layers in the base and subgrade of a roadway system, the use of geosynthetics in pavement drainage in cold climates, the development of performance-based specifications for highway edge drains, and some key installation issues on the use of geocomposite edge drain systems. Testing--explores 4 different laboratory testing programs to evaluate different aspects of geosynthetic drainage systems. They include the laboratory testing of a toe drain with a geotextile sock, two reports on a modified gradient ratio test system with micro pore pressure transducers inserted into the system, and a discussion on the influence of test conditions on transmissivity test results for geotextile drains. STP 1390 is a valuable resource for engineers in the following fields: geotechnical, geosynthetic, transportation, hydraulics, pavement, sanitary, and environmental. Also for civil engineering consultants, project inspectors, and testing agencies.

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