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Author : ERM-Hong Kong, Ltd
Publisher :
ISBN 13 : 9789620202681
Total Pages : 200 pages
Book Rating : 4.2/5 (26 download)
Download or read book Slope Failures Along Bril Roads written by ERM-Hong Kong, Ltd and published by . This book was released on 1999 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Gareth J. Hearn
Publisher : Geological Society of London
ISBN 13 : 9781862393318
Total Pages : 320 pages
Book Rating : 4.3/5 (933 download)
Download or read book Slope Engineering for Mountain Roads written by Gareth J. Hearn and published by Geological Society of London. This book was released on 2011 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides a complete guide to the study, design, construction and management of landslide and slope engineering measures for mountain roads, with emphasis on low-cost. The geographical focus is on the tropics and sub-tropics, but is also highly relevant to other regions where heavy rain, steep slopes and weak soils and rocks combine to create slope instability. The causes and mechanisms of landslides are described, and the hazards they pose to mountain roads are illustrated. Methods of desk study, field mapping and ground investigation are reviewed and illustrated, with emphasis on geomorphological and engineering geological techniques. The design and construction of alignments, earthworks, drainage, retaining structures, the stabilization of soil slopes and rock slopes, and the control of erosion on slopes and in streams covered. Slope management as part of road maintenance and operation is reviewed, and procedures for risk assessment and works prioritization are described.
Author : S. A. Bakar
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (968 download)
Download or read book Slope Failures and Remedial Measures Along East-West Highway (Grik to Jeli) written by S. A. Bakar and published by . This book was released on 1995 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Laura Fay
Publisher : Transportation Research Board
ISBN 13 : 0309223628
Total Pages : 82 pages
Book Rating : 4.3/5 (92 download)
Download or read book Cost-effective and Sustainable Road Slope Stabilization and Erosion Control written by Laura Fay and published by Transportation Research Board. This book was released on 2012 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt: "In the United States it is estimated that 75 percent of all roads are low volume roads maintained by some 35,000 local agencies. Low volume roads often omit surface slope protection, and this can lead to slope failure, erosion, and maintenance, safety, and ecological issues. This report presents information on cost effective and sustainable road slope stabilization techniques, with a focus on shallow or near surface slope stabilization and related erosion control methods used on low volume roads. To fully address this topic, planning and site investigation are discussed, as well as erosion control techniques, soil bioengineering and biotechnical techniques, mechanical stabilization, and earthwork techniques. Information presented in this report was obtained through an extensive literature review, and from survey and interview responses. From the survey responses, 30 individuals were interviewed based on the information they made available in the survey. A total of 25 interviews were conducted over the phone, and in two cases written responses were received"--Preface.
Author : Mark Foxx
Publisher :
ISBN 13 :
Total Pages : 326 pages
Book Rating : 4.:/5 (55 download)
Download or read book Slope Failures in the Felton Quadrangle 1981-83 written by Mark Foxx and published by . This book was released on 1984 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : W. D. Harper
Publisher :
ISBN 13 :
Total Pages : 14 pages
Book Rating : 4.:/5 (32 download)
Download or read book Inspection of Recent Slope Failure Along the Abandoned County Road, Baker Gulch Slide Area, Lewiston Reservoir, Trinity River Division, Central Valley Project, California written by W. D. Harper and published by . This book was released on 1971 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Andrew E. Zimmer
Publisher :
ISBN 13 :
Total Pages : 322 pages
Book Rating : 4.:/5 (319 download)
Download or read book Shallow Slope Failures Along Wisconsin Highways written by Andrew E. Zimmer and published by . This book was released on 2008 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Md Aminul Islam (Ph.D.)
Publisher :
ISBN 13 :
Total Pages : 306 pages
Book Rating : 4.:/5 (132 download)
Download or read book Rainfall-induced Slope Failure written by Md Aminul Islam (Ph.D.) and published by . This book was released on 2022 with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt: Globally, slope failures cause substantial death tolls and economic loss. Embankments constructed on high plasticity clay are vulnerable to cyclic swelling and shrinkage when subjected to climate. Thus, over time, soil softens and reduces effective shear strength, and shrinkage cracks on slopes can act as pathways for rainfall infiltration, which increases pore water pressure and lowers the shear strength below critical levels, resulting in slope failure. This study aims to develop early warning criteria for rainfall-induced slope failure. Study areas were Tarrant, Dallas, Johnson, and Ellis, where soil types and a humid subtropical climate result in frequent slope failures. The field study was conducted on a 260 ft section of a highway slope (3H:1V) located over US 287 near Midlothian, TX. The test slope sections were instrumented using moisture sensors, temperature sensors, water potential sensors, and a rain gauge. According to the geotechnical investigation, there are two distinct soil strata: top 22 feet high plasticity clay (CH), followed by Eagle Ford Shale. Hydraulic conductivity and shear strength of soils fluctuated seasonally. Field tests using the Guelph Permeameter and Mini-Disk Infiltrometer showed 100 times higher permeability at the surface than at two feet below ground due to loosen and porous soil at the surface. As measured by Dynamic Cone Penetration (DPC) tests, soil shear strength was higher in the dry season and lower in the wet season. According to field instrumentation, soil moisture content and soil matric suction change with depth throughout the year: surface soil experiences more changes than deeper soils. Water content fluctuates most at the top sensors (10%) than at the deeper levels (3%). During the dry season, soil matric suction increased, but decreased after each rainfall. A slope failure inventory map for the DFW area was developed based on previous literature, thesis, and Google Earth analyses. Seventy percent of failure events were observed on highways built in high plasticity clay soils in Tarrant and Dallas counties, where the Eagle Ford Shale predominates. A susceptibility map was developed for the study area based on the slope failure inventory, geology, and topography data. Based on the frequency ratio (FR) method, slope, soil, elevation, aspect, curvature, profile curvature, plan curvature, normalized vegetation index, and soil moisture index were weighted. According to the map, there are five levels of susceptibility: very low, low, moderate, high, and very high. The slope failure susceptibility model demonstrated a success rate of 71.54% and a prediction rate of 70.12%. Slope failures tend to increase with increased rainfall. Empirical thresholds such as Intensity-duration (ID), Event rainfall-duration (ED), Event rainfall-intensity (EI), daily rainfall-antecedent rainfall (3, 5, 10, and 30 days) were established. The numerical study (seepage and slope stability) demonstrated that rainfall duration has a significant impact on rainfall-induced slope failure. A high-intensity rainfall can lead to a drastic drop in pore-water pressure in a short period of time, resulting in slope failure much faster than a low-intensity rain. The slope becomes more vulnerable to failure if it cracks and faces a higher rainfall intensity. Based on a numerical simulation of a field slope section, site-specific thresholds of rainfall intensity and duration were developed and can be used to prevent slope failure caused by rainfall. The numerical model successfully replicated the failed field section at the edge of the study area which failed in 2020. Empirical thresholds predicted the failure as well. Therefore, the established thresholds may be a useful tool for regional slope failure warning systems to predict rainfall-induced slope failure.
Author : Iain Turkington
Publisher : Open Dissertation Press
ISBN 13 : 9781374726291
Total Pages : pages
Book Rating : 4.7/5 (262 download)
Download or read book Review of the Lai Ping Road Slope Failures and the Influence of the Local Structural Geology written by Iain Turkington and published by Open Dissertation Press. This book was released on 2017-01-27 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation, "Review of the Lai Ping Road Slope Failures and the Influence of the Local Structural Geology" by Iain, Turkington, was obtained from The University of Hong Kong (Pokfulam, Hong Kong) and is being sold pursuant to Creative Commons: Attribution 3.0 Hong Kong License. The content of this dissertation has not been altered in any way. We have altered the formatting in order to facilitate the ease of printing and reading of the dissertation. All rights not granted by the above license are retained by the author. DOI: 10.5353/th_b3043141 Subjects: Landslides - China - Hong Kong Geology, Structural
Author : Walter F. Megahan
Publisher :
ISBN 13 :
Total Pages : 10 pages
Book Rating : 4.:/5 (225 download)
Download or read book Progressive, Long-term Slope Failure Following Road Construction and Logging on Noncohesive, Granitic Soils of the Idaho Batholith written by Walter F. Megahan and published by . This book was released on 1989 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Carleigh Beth Lider
Publisher :
ISBN 13 :
Total Pages : 46 pages
Book Rating : 4.:/5 (111 download)
Download or read book An Engineering Safety Analysis of Slope Failure Along the Banks of the Red Lake River of Crookston, MN written by Carleigh Beth Lider and published by . This book was released on 2016 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Darren L. Beckstrand
Publisher :
ISBN 13 : 9780309709521
Total Pages : 0 pages
Book Rating : 4.7/5 (95 download)
Download or read book Prevention and Mitigation of Surficial Slope Failures on Fill Highway Embankment Slopes written by Darren L. Beckstrand and published by . This book was released on 2024 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Surficial slope failures in highway fill embankments are shallow landslides that occur within the embankment fill, usually affecting only a portion of the slope’s height. These failures tend to occur after a vulnerable embankment slope is subjected to a triggering event. An embankment’s failure susceptibility generally depends on factors such as slope steepness, material composition, and ability to withstand adverse drainage conditions. Examples of trigger mechanisms include intense rainfall, snowmelt, seismic activity, and reshaping of the embankment. NCHRP Synthesis 617: Prevention and Mitigation of Surficial Slope Failures on Fill Highway Embankment Slopes, from TRB's National Cooperative Highway Research Program, documents state departments of transportation practices on identification, investigation, design guidance and requirements, prevention, and mitigation of surficial slope failures.
Author : Peter A. Stauffer
Publisher :
ISBN 13 :
Total Pages : 241 pages
Book Rating : 4.:/5 (866 download)
Download or read book An Examination of Earth Slope Failures in Texas written by Peter A. Stauffer and published by . This book was released on 1984 with total page 241 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Georgette Dimit
Publisher :
ISBN 13 :
Total Pages : 256 pages
Book Rating : 4.:/5 (181 download)
Download or read book An Investigation of Slope Failure Along the Maumee River from Grand Rapids, Ohio, to Toledo, Ohio written by Georgette Dimit and published by . This book was released on 1988 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Norman D. Dennis
Publisher :
ISBN 13 :
Total Pages : 186 pages
Book Rating : 4.:/5 (99 download)
Download or read book Evaluation of Monitoring and Remediation Measures for Slope Failures written by Norman D. Dennis and published by . This book was released on 2013 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Omid Mohseni
Publisher :
ISBN 13 :
Total Pages : 80 pages
Book Rating : 4.:/5 (17 download)
Download or read book Storm-induced Slope Failure Susceptibility Mapping written by Omid Mohseni and published by . This book was released on 2018 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt: A pilot study was conducted to characterize and map the areas susceptible to slope failure using state-wide available data. The objective was to determine whether it would be possible to provide slope-failure susceptibility mapping that could be used by local road and highway officials to understand better where slope failure may occur. This would allow the possibility of taking preventative measures where indicated, or developing contingency plans for areas of likely failure. As a first step, a review of pertinent slope-failure literature was conducted to determine which past studies could offer information or guidance useful for developing the mapping. The review helped identify which methods and factors could be most effectively used in assessing susceptibility to slope failure. Then, using physics-based concepts, and making use of publicly-available topographic, soils, and hydrologic information, an approach was developed for using the data to identify conditions under which slope failure would be likely. This approach was incorporated into a GIS-based model that produced mapping wherein slopes were identified and assigned one of five levels (very high to very low) of slopefailure susceptibility. The model was tested against a relatively small area in Carlton County to confirm that the indicated susceptibility to failure correlated well with locations in which there was observable or documented slope failure. The method was then validated by applying it to small areas in Sibley and Carver Counties where slope failures had occurred. Having validated the underlying physics-based approach, the mapping was then expanded to two Carlton and Sibley Counties.
Author : David Scott Ross
Publisher :
ISBN 13 :
Total Pages : 264 pages
Book Rating : 4.:/5 (485 download)
Download or read book Application of Reliability Based Approaches to the Region of Recent Slope Failures in Crawford and Washington Counties written by David Scott Ross and published by . This book was released on 2001 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt:
