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Author: Jeffrey J. Carter Publisher: ISBN: Category : Languages : en Pages : 142
Book Description
For the purposes of this paper, the study will be limited to developing a design method for earth retaining structures that have been reinforced with geosynthetics and are subjected to cyclic motion such as that caused by earthquakes. It will examine some case studies of the performance of geosynthetic reinforced earth retaining structures (GSRW) and review some time tested concepts dealing with both geosynthetics and seismic earth pressures. Finally, this paper will mesh the various concepts together to form a step-by-step procedure for designing one type of earth retaining structure and compare the results to an equivalent concrete cantilever retaining wall.
Author: Jeffrey J. Carter Publisher: ISBN: Category : Languages : en Pages : 142
Book Description
For the purposes of this paper, the study will be limited to developing a design method for earth retaining structures that have been reinforced with geosynthetics and are subjected to cyclic motion such as that caused by earthquakes. It will examine some case studies of the performance of geosynthetic reinforced earth retaining structures (GSRW) and review some time tested concepts dealing with both geosynthetics and seismic earth pressures. Finally, this paper will mesh the various concepts together to form a step-by-step procedure for designing one type of earth retaining structure and compare the results to an equivalent concrete cantilever retaining wall.
Author: Hoe I. Ling Publisher: CRC Press ISBN: 9780203911976 Category : Technology & Engineering Languages : en Pages : 532
Book Description
This one-of-a-kind reference evaluates the efficacy, stability, and strength of various soil walls, slopes, and structures enhanced by geosynthetic materials. Offering stimulating contributions from more than 50 leading specialists in the field, Reinforced Soil Engineering compiles recent innovations in design layout, controlled construction, and g
Author: Philip C. Lambe Publisher: ISBN: Category : Science Languages : en Pages : 926
Book Description
Proceedings of the 1990 Specialty Conference on Design and Performance of Earth-Retaining Structures, held in Ithaca, New York, June 18-21, 1990. Sponsored by the Geotechnical Engineering Division of ASCE. This Geotechnical Special Publication contains 50 papers on the design and performance of earth-retaining structures. Topics include historical perspectives, wall selection, contracting practices, waterfront structures, gravity walls, mechanically stabilized systems, cast-in-place walls, soil nailing, tied-back excavations, and seismic design. Papers survey the current state of the practice for earth retention and support, detail the rapid and profound changes to design and construction practices in the past 20 years, and forecast technological developments that are likely to carry the practice into the next century. Sixteen invited papers by international experts address aspects of each of the general topics, including trends in ground movements, effects of material selection and construction practices, and advances in design analyses and procedures. Other papers address specific case histories of various types of earth-retaining structures, provide results of performance monitoring, compare predicted to actual performance, and assess the impacts of construction practice and design procedures on performance.
Author: Michele Maugeri Publisher: Springer Science & Business Media ISBN: 3319031821 Category : Science Languages : en Pages : 391
Book Description
Pseudo-static analysis is still the most-used method to assess the stability of geotechnical systems that are exposed to earthquake forces. However, this method does not provide any information about the deformations and permanent displacements induced by seismic activity. Moreover, it is questionable to use this approach when geotechnical systems are affected by frequent and rare seismic events. Incidentally, the peak ground acceleration has increased from 0.2-0.3 g in the seventies to the current value of 0.6-0.8 g. Therefore, a shift from the pseudo-static approach to performance-based analysis is needed. Over the past five years considerable progress has been made in Earthquake Geotechnical Engineering Design (EGED). The most recent advances are presented in this book in 6 parts. The evaluation of the site amplification is covered in Part I of the book. In Part II the evaluation of the soil foundation stability against natural slope failure and liquefaction is treated. In the following 3 Parts of the book the EGED for different geotechnical systems is presented as follows: the design of levees and dams including natural slopes in Part III; the design of foundations and soil structure interaction analysis in Part IV; underground structures in Part V. Finally in Part VI, new topics like the design of reinforced earth retaining walls and landfills are covered.
Author: Jonathan T. H. Wu Publisher: John Wiley & Sons ISBN: 1119375843 Category : Technology & Engineering Languages : en Pages : 414
Book Description
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.
Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
Use of soil retaining walls for roads, embankments and bridges is increasing with time and reinforced soil retaining walls are found to be very efficient even under critical conditions compared to unreinforced walls. They offer competitive solutions to earth retaining problems associated with less space and more loads posed by tremendous growth in infrastructure, in addition to the advantages in ease and cost of construction compared to conventional retaining wall systems. The study of seismic performance of reinforced soil retaining walls is receiving much attention in the light of lessons learned from past failures of conventional retaining walls. Laboratory model studies on these walls under controlled seismic loading conditions help to understand better how these walls actually behave during earthquakes. The objective of the present study is to investigate the seismic response of geosynthetic reinforced soil wall models through shaking table tests. To achieve this, wrap faced and rigid faced reinforced soil retaining walls of size 750 × 500 mm in plan and 600 mm height are built in rigid and flexible containers and tested under controlled dynamic conditions using a uni-axial shaking table. The effects of frequency and acceleration of the base motion, surcharge pressure on the crest, number of reinforcing layers, container boundary, wall structure and reinforcement layout on the seismic performance of the retaining walls are studied through systematic series of shaking table tests. Results are analyzed to understand the effect of each of the considered parameters on the face displacements, acceleration amplifications and soil pressures on facing at different elevations of the walls. A numerical model is developed to simulate the shaking table tests on wrap faced reinforced soil walls using a computer program FLAC (Fast Lagrangian Analysis of Continua). The experimental data are used to validate the numerical model and parametric studies are carried out on 6 m hei.
Author: Christopher L. Meehan Publisher: ISBN: 9780784412787 Category : Civil engineering Languages : en Pages : 2280
Book Description
This Geotechnical Special Publication contains 229 peer-reviewed technical papers and case studies focusing on the stability, performance, and rehabilitation of slopes, embankments, and dams. Topics include: exploration and characterisation of soil and rock slopesdesign, analysis, and performance of slopesmonitoring and inspection of slopeshazard assessment and managementground improvement and stabilisation in the repair and remediation of slopes. These papers are valuable to geotechnical researchers and practicing engineers, especially those interested in the design and maintenance of slopes, embankments and dams.
Author: H. Ochiai Publisher: CRC Press ISBN: 9789026518638 Category : Technology & Engineering Languages : en Pages : 420
Book Description
Earth reinforcing techniques are increasingly becoming a useful, powerful and economical solution to various problems encountered in geotechnical engineering practice. Expansion of the experiences and knowledge in this area has succeeded in developing new techniques and their applications to geotechnical engineering problems. In order to discuss the latest experiences and knowledge, and with the purpose of spreading them all over the world for further development, the IS Kyushi conference series on the subject of earth reinforcement have been held in Fukuoka, Japan, every four years since 1988. This fourth symposium, entitled "Landmarks in Earth Reinforcement", is a continuation of the series IS Kyushu conferences, and also aims at being one of the landmarks in the progress of modern earth reinforcement practice. The first volume contains 137 papers selected for the symposium covering almost every aspect of earth reinforcement. The second volume contains texts of the special and keynote lectures.
Author: Donald G. Anderson Publisher: Transportation Research Board ISBN: 0309117658 Category : Earthquake resistant design Languages : en Pages : 148
Book Description
This report explores analytical and design methods for the seismic design of retaining walls, buried structures, slopes, and embankments. The Final Report is organized into two volumes. NCHRP Report 611 is Volume 1 of this study. Volume 2, which is only available online, presents the proposed specifications, commentaries, and example problems for the retaining walls, slopes and embankments, and buried structures.
Author: Jeffrey J. Carter
Author: Jeffrey J. Carter
Author: Hoe I. Ling
Author: Philip C. Lambe
Author: Michele Maugeri
Author: Jonathan T. H. Wu
Author: 
Author: Christopher L. Meehan
Author: H. Ochiai
Author: Donald G. Anderson
Author: Gene Dodd