Embankments On Organic Soils
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Embankments On Organic Soils
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Author : J. Hartlén
language : en
Publisher: Elsevier
Release Date : 1996-11-08
Embankments On Organic Soils written by J. Hartlén and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996-11-08 with Medical categories.
More and more civil engineering constructions are being built on soft soils. As areas with better foundations are used up the necessity to be able to build structures on soft soils increases. The most troublesome of soft soils are organic soils due mainly to their high compressibility (much higher than in mineral soils), and also their very low shear strength. The large diversity of organic soils with respect to their origin as well as their properties make classification, testing, and engineering prediction of behaviour, very difficult. For this reason, engineers try, in general, to avoid constructing on deep layers of organic soils. If forced, by necessity, to do so, they manage with light structures e.g. embankments or low buildings. The authors of this book have been involved in a joint research project on the testing of embankments on organic soils. This was carried out in the North-Western part of Poland by the Swedish Geotechnical Institute and the Department of Geotechnics of Warsaw Agricultural University. The results of their research is presented in this new book and provides a valuable insight into this growing area in the field of engineering geology.
The Unified Soil Classification System
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Author : Waterways Experiment Station (U.S.)
language : en
Publisher:
Release Date : 1953
The Unified Soil Classification System written by Waterways Experiment Station (U.S.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1953 with Embankments categories.
Unified Soil Classification System For Roads Airfields Embankments And Foundations
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Author : United States. Department of Defense
language : en
Publisher:
Release Date : 1962
Unified Soil Classification System For Roads Airfields Embankments And Foundations written by United States. Department of Defense and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1962 with Soil mechanics categories.
Military Standard
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Author : United States. Department of Defense
language : en
Publisher:
Release Date : 1968
Military Standard written by United States. Department of Defense and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968 with Military engineering categories.
Design And Performance Of Embankments On Very Soft Soils
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Author : Marcio de Souza S. Almeida
language : en
Publisher: CRC Press
Release Date : 2013-09-03
Design And Performance Of Embankments On Very Soft Soils written by Marcio de Souza S. Almeida and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-09-03 with Technology & Engineering categories.
Embankment construction projects on very soft soil often give rise to serious problems. This volume on geotechnics and soft soil engineering therefore treats all phases of the design and construction process exhaustively, from the first investigation step to the monitoring of constructed work. The book presents the development concepts necessary fo
Ground Improvement Case Histories
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Author : Buddhima Indraratna
language : en
Publisher: Butterworth-Heinemann
Release Date : 2015-05-27
Ground Improvement Case Histories written by Buddhima Indraratna and has been published by Butterworth-Heinemann this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-05-27 with Technology & Engineering categories.
Written by a group of international contributors, Ground Improvement Case Histories: Embankments with Special Reference to Soil Consolidation and Other Physical Methods, employs the use of case-histories to illustrate and apply equations, numerical methods and technology to undertake even the most complicated ground improvement projects. In this book, each case-history provides an overview of the specific technology followed by field applications and in some cases comprehensive back-analysis through numerical modelling. Specific embankment case-histories with special reference to soil consolidation included are: Ballina Bypass (Australia), Tianjin Port (China), Second Bangkok International Airport (Thailand), Changi East reclamation (Singapore), Maizuru-Wakasa Expressway (Japan) and Colombo Airport Expressway, Sri Lanka. Other physical methods include performance of stone columns at Penny’s Bay reclamation in Hong Kong and PCC piles for highway and high-speed railway construction in China, among others. Provides a wealth of contributor-generated case histories from all over the world Includes an abundance of illustrations and worked out examples All inclusive discussion of preloading, vertical drains and vacuums applications Features case-histories regarding sand and gravel piles, stone columns and other Rigid Inclusions
Numerical Modelling Of Embankments On Soft Soils
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Author : Harald Krenn
language : en
Publisher:
Release Date : 2008
Numerical Modelling Of Embankments On Soft Soils written by Harald Krenn and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with categories.
The design of embankments on soft soils requires a reliable estimate of deformations and stability of the embankment. Natural soft soils are structured materials, and as a consequence they exhibit anisotropy in their stress-strain-strength behaviour. The complex nature of soft soil makes it very difficult for designers to estimate deformations during construction and over time. The properties of very soft clays, silts and organic soils can be improved with deep mixing. Conventional design methods are very limited and do not account for the complex stress-strain-strength behaviour of the soft soil and/or the deep mixed soil. Numerical techniques, such as the finite element method provide a powerful tool, given the complex stress-strain-strength behaviour of the soft soil and/or the deep mixed material can be taken into account using advanced constitutive models. The aim of the thesis is to investigate through 2D and 3D numerical simulations using advanced constitutive models the behaviour of embankments constructed on soft clays. In addition to embankments constructed on natural soils, embankments on deep mixed columns are studied. Simulations investigate the effect of anisotropy, apparent interparticle bonding and destructuration on the predicted response. It was found that ignoring anisotropy and destructuration leads to underprediction of surface settlements and horizontal displacements. However, although the effect of anisotropy was more pronounced than the effect of destructuration, the latter is needed to represent the measured remoulded and natural undrained strength in time. Constitutive models with a hyperbolic stress-strain relationship give a good representation of the non-linear behaviour of deep mixed material. 3D simulations of embankments on deep mixed columns showed that with increasing column spacing, differential settlements occur between column and soil. The results furthermore demonstrate that floating columns can be very effective in settlement reduction.
The Unified Soil Classification System
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Author : Waterways Experiment Station (U.S.)
language : en
Publisher:
Release Date : 1953
The Unified Soil Classification System written by Waterways Experiment Station (U.S.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1953 with Soils categories.
Organic Soils And Peat Materials For Sustainable Agriculture
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Author : Leon Etienne Parent
language : en
Publisher: CRC Press
Release Date : 2002-07-29
Organic Soils And Peat Materials For Sustainable Agriculture written by Leon Etienne Parent and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002-07-29 with Technology & Engineering categories.
While organic soils have the potential to contribute greatly to agricultural production, the irreversible processes that occur from draining organic soils need to be managed with caution. The wise use of peatlands must include the avoidance of unacceptable ecological effects on the contiguous and global environment. Organic Soils and Peat Materials
The Unified Soil Classification System
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Author : Waterways Experiment Station (U.S.)
language : en
Publisher:
Release Date : 1953
The Unified Soil Classification System written by Waterways Experiment Station (U.S.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1953 with Soils categories.