Feasibility Study of Geosynthetic Reinforced Soil Integrated Bridge Systems (GRS-IBS) in Oklahoma PDF Download
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Author: Theresa Ngo
Publisher:
ISBN:
Category : Bridges
Languages : en
Pages : 252
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Book Description
Author: Theresa Ngo
Publisher:
ISBN:
Category : Bridges
Languages : en
Pages : 252
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Book Description
Author: Luis Pena Castaneda
Publisher:
ISBN:
Category : Bridges
Languages : en
Pages : 442
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Book Description
Author:
Publisher:
ISBN:
Category : "Publication no. FHWA-HRT-11-026."
Languages : en
Pages : 176
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Book Description
"This manual outlines the state-of-the-art and recommended practice for designing and constructing Geosynthetic Reinforced Soil (GRS) technology for the application of the Integrated Bridge System (IBS). The procedures presented in this manual are based on 40 years of State and Federal research focused on GRS technology as applied to abutments and walls"--Technical report documentation page.
Author:
Publisher:
ISBN:
Category : Bridges
Languages : en
Pages : 58
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Book Description
"This report is the second in a two-part series to provide engineers with the necessary background knowledge of Geosynthetic Reinforced Soil (GRS) technology and its fundamental characteristics as an alternative to other construction methods. It supplements the interim implementation manual (FHWA-HRT-11-026), which outlines the design and construction of the GRS Integrated Bridge System (IBS). The research behind the proposed design method is presented along with case histories to show the performance of in-service GRS-IBS and GRS walls"--Technical report documentation page.
Author: Allam I. S. Ardah
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Andrew Kost
Publisher:
ISBN:
Category : Bridges
Languages : en
Pages : 137
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Book Description
Author: U.s. Department of Transportation
Publisher: Createspace Independent Publishing Platform
ISBN: 9781723470479
Category :
Languages : en
Pages : 68
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Book Description
Geosynthetic Reinforced Soil Integrated Bridge System, synthesis report /
Author: Andrew Boeckmann
Publisher:
ISBN:
Category : Bridges
Languages : en
Pages : 44
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Book Description
An instrumentation and monitoring system was implemented for a geosynthetic reinforced soil (GRS) integrated bridge system (IBS) constructed in Boone County, Missouri in 2014. The project location is subjected to relatively frequent flash flooding, which was a significant consideration in the design of the bridge and the design of the monitoring system. The monitoring system includes 26 surveying points on the bridge exterior to monitor external movement; settlement plates and inclinometers to monitor vertical and horizontal exterior movement, respectively; earth pressure cells to monitor total stresses within the abutment backfill; and vibrating wire piezometers to monitor pore pressures and drainage within the abutment backfill. The GRS-IBS was monitored for a period of 19 months after construction. The monitoring period included several high-water events, but none overtopped the bridge. The results indicate satisfactory performance, including negligible external and internal movements and rapid backfill drainage in response to groundwater level increases.
Author:
Publisher:
ISBN:
Category : Bridges
Languages : en
Pages : 115
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Book Description
Laboratory testing on aggregate fill with and without geosynthetic material showed improvements in shear strength parameters and permanent deformation behavior when reinforced with geosynthetic due to lateral restraint effect at the soil-geosynthetic interface. Bridge LL testing under static loads indicated maximum deflections close to 0.9 in and non-uniform deflections transversely across the bridge due to poor load transfer between RRFCs. The ratio of horizontal to vertical stresses in the GRS fill was lo3 (less than 0.25), indicating low lateral stress on the soil surrounding GRS fill material. Bearing capacity analysis at Bridge 2 indicated lower than recommended factor of safety (FS) values due to low ultimate reinforcement strength of the geosynthetic material used in this study and relatively weak underlying foundation layer.
Author: Jonathan T. H. Wu
Publisher: John Wiley & Sons
ISBN: 1119375851
Category : Technology & Engineering
Languages : en
Pages : 416
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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.
