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Author : T. S. Nagaraj
Publisher :
ISBN 13 :
Total Pages : 56 pages
Book Rating : 4.:/5 (15 download)
Download or read book Analysis of Compressibility of Soft & Sensitive Soils written by T. S. Nagaraj and published by . This book was released on 1985 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Myint Win Bo
Publisher : World Scientific Publishing Company
ISBN 13 : 9813107057
Total Pages : 330 pages
Book Rating : 4.8/5 (131 download)
Download or read book Compressibility Of Ultra-soft Soil written by Myint Win Bo and published by World Scientific Publishing Company. This book was released on 2008-04-17 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt: The formation of an alluvial clay deposit normally goes through sedimentation and consolidation. While the bottom portion is undergoing self-weight consolidation, sedimentation continues to take place at the top. However, the compression behavior of such deposits upon loading is not well understood.This book describes the compression behavior of ultra-soft soil upon additional load application. Various types of laboratory compression tests suitable for this type of soil are discussed, such as tests using small- and large-scale consolidometers, hydraulic Rowe cells under different drainage conditions, constant rate of loading and constant rate of strain tests. It also explains how to determine the transition point, which differentiates the two distinct behaviors between slurry state and soil state deformation. Methods to determine the compression indices and coefficients of consolidation at different stress ranges, which are required for the prediction of magnitude of settlement and time rate of settlement, are developed. An equation for predicting settlement of ultra-soft soil in both the slurry and soil stages is elaborated upon. These proposed methods of characterization or analyses — which are validated against published data, laboratory measurements and a case study — serve as useful tools for designing and constructing embankments and for carrying out land reclamation on ultra-soft soil.
Author : Hossien A. Mehrizi
Publisher :
ISBN 13 :
Total Pages : 100 pages
Book Rating : 4.:/5 (833 download)
Download or read book Analysis of Compressibility of Soil by Digital Computer written by Hossien A. Mehrizi and published by . This book was released on 1981 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Byoung Chan Jung
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (662 download)
Download or read book Probabilistic Analysis of the Compressibility of Soils written by Byoung Chan Jung and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Geotechnical engineers are always faced with uncertainties and spatial variations in material parameters. In this work, we propose to develop a framework able to account for different types of uncertainties in a formal and logical manner, to incorporate all available sources of information, and to integrate the uncertainty in an estimate of the probability. In geotechnical engineering, current soil classification charts based on CPT data may not provide an accurate prediction of soil type, even though soil classification is an essential component in the design process. As a cheaper and faster alternative to sample retrieval and testing, field methods such as the cone penetration test (CPT) can be used. A probabilistic soil classification approach is proposed here to improve soil classification based on CPT. The proposed approach provides a simple and straightforward tool that allows updating the soil classification charts based on sitespecific data. In general, settlements can be the result of surface loads or variable soil deposits. In current practice, the analysis to determine settlements is deterministic. It assumes that the soil profile at a site is uniform from location to location, and only allows limited consideration of the variations of the material properties and initial conditions within soil layers in spite of the wide range of compositions, gradations, and water contents in natural soils. A Bayesian methodology is used to develop an unbiased probabilistic model that accurately predicts the settlements and accounts for all the prevailing uncertainties. The proposed probabilistic model is used to estimate the settlements of the foundation of a structure in the Venice Lagoon, Italy. The conditional probability (fragility) of exceeding a specified settlement threshold for a given vertical pressure is estimated. A predictive fragility and confidence intervals are developed with special attention given to the treatment and quantification of aleatory and epistemic uncertainties. Sensitivity and importance measures are computed to identify the key parameters and random variables in the model.
Author : Jay Ameratunga
Publisher : Springer
ISBN 13 : 8132226291
Total Pages : 236 pages
Book Rating : 4.1/5 (322 download)
Download or read book Correlations of Soil and Rock Properties in Geotechnical Engineering written by Jay Ameratunga and published by Springer. This book was released on 2015-12-11 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a one-stop reference to the empirical correlations used extensively in geotechnical engineering. Empirical correlations play a key role in geotechnical engineering designs and analysis. Laboratory and in situ testing of soils can add significant cost to a civil engineering project. By using appropriate empirical correlations, it is possible to derive many design parameters, thus limiting our reliance on these soil tests. The authors have decades of experience in geotechnical engineering, as professional engineers or researchers. The objective of this book is to present a critical evaluation of a wide range of empirical correlations reported in the literature, along with typical values of soil parameters, in the light of their experience and knowledge. This book will be a one-stop-shop for the practising professionals, geotechnical researchers and academics looking for specific correlations for estimating certain geotechnical parameters. The empirical correlations in the forms of equations and charts and typical values are collated from extensive literature review, and from the authors' database.
Author : Ahsan Rabbani
Publisher : GRIN Verlag
ISBN 13 : 3668708649
Total Pages : 59 pages
Book Rating : 4.6/5 (687 download)
Download or read book Effect of Temperature on Swelling Pressure and Compressibility of Soil written by Ahsan Rabbani and published by GRIN Verlag. This book was released on 2018-05-23 with total page 59 pages. Available in PDF, EPUB and Kindle. Book excerpt: Master's Thesis from the year 2018 in the subject Engineering - Geotechnology, grade: 9.36, National Institute of Technology, Rourkela, language: English, abstract: Construction of building on clay soil is highly risky due to its poor strength. Clayey soil creates many problems to the Geotechnical Engineers primarily because of repeated change of moisture content. Normally, these soils increase in size and swell when they absorb water and reduce in size and shrink when they become dry. Volume change in soil leads to distortions in the form of settlement due to contraction as a result of dryness or in the form of expansion due to swelling as a result of the absorption of water. There may be the need for soil treatment to improve the engineering properties of such soil. Compacted bentonite is often used as a buffer materials and for radioactive waste disposal system. A good understanding of the hydro-mechanical behavior of clay soil is essential to ensure safe disposal. The present study reports the results on the effects of temperature on swelling pressure and compressibility characteristics of soil. In this study, two different type of soils were used. One of them was a bentonite (liquid limit = 139%) procured from Bikaner, Rajasthan another one was Rourkela local soil (liquid limit = 35%). A new oedometer was designed and developed in-house to carry out consolidation and swelling pressure tests at a higher temperature. Swelling pressures tests on compacted bentonite specimens of targeted dry density of 1.6 Mg/m3 were conducted under constant volume condition for the temperature range between 25 to 90 0C. Compressibility tests at various temperatures for both soils were conducted using distilled water as the saturating fluid. It observed that high temperature caused an increase in swelling pressure and compressibility index of bentonite soil. There is no effect of temperature on compressibility index of Rourkela local soil.
Author : Glenn F. Lindsay
Publisher :
ISBN 13 :
Total Pages : 82 pages
Book Rating : 4.:/5 (126 download)
Download or read book Statistical Analysis of Near-Surface Soil Compressibility Data from Ralston Valley, Nevada written by Glenn F. Lindsay and published by . This book was released on 1981 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt: A statistical analysis of geotechnical data from Ralston Valley, Nevada, is conducted with the objective of seeking relationships whereby near-surface-soil compressibility may be predicted within acceptable limits. Such relationships can be utilized in place of much of the extensive and costly boring, core sampling, and laboratory analysis that is required for design of such strategic structures as those for the MX Missile System. Possible predictors of compressibility which are investigated include site descriptors obtainable from maps, seismic surveys, bag samples from borings, and undisturbed core samples. Study findings suggest that site characteristics from maps, particle gradation variance, and soil porosity offer promise as predictors of compressibility at depths of ten feet.
Author : Hanhua Zhu
Publisher : Springer
ISBN 13 : 9811307229
Total Pages : 109 pages
Book Rating : 4.8/5 (113 download)
Download or read book Controlling Differential Settlement of Highway Soft Soil Subgrade written by Hanhua Zhu and published by Springer. This book was released on 2018-05-25 with total page 109 pages. Available in PDF, EPUB and Kindle. Book excerpt: Drawing on years of practical on-site experience, this book presents a new method for controlling "bridge-head bumping" in soft soil ground. Based on deformation compatibility and control theory of structure, it proposes strategies for improving the design method of soft soil ground and the effective "bridge-head bumping" control method. Soft soil ground is chiefly characterized by a large void ratio, high compressibility, high water content, low impermeability, low strength, strong structure and high sensitivity. As a result, it has pronounced rheological properties, and controlling "bridge-head bumping" in soft soil ground is essential to control the amount of soil rheology-induced unstable successive settlement. The book offers extensive information on this and related topics, making it a valuable guide for engineers in Civil Engineering and Geotechnical Engineering alike.
Author : T. S. Nagaraj
Publisher : Taylor & Francis
ISBN 13 : 9788122406337
Total Pages : 316 pages
Book Rating : 4.4/5 (63 download)
Download or read book Analysis and Prediction of Soil Behaviour written by T. S. Nagaraj and published by Taylor & Francis. This book was released on 1994 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Book Brings Out The Possibilities Of Generalizations Of Behaviour Of Soils And Hence Of Predicting The Required Engineering Properties Without Elaborate Testing. We Recognize That A Single Approach Cannot Be Evolved For All Soil Types And Hence The Necessity For Classifying Soils Into Different Categories And To Use Appropriate Model For Each. First Of All, Based On Mechanism Of Stress Transfer And Interaction Between The Phases, Two Obvious Classes, The Fine Grained And Coarse-Grained Soils Have Been Differentiated.The Discussions Bring Out That Because Of Identical Mode Of Stress Transfer, The Mechanical Behaviour I.E., Compressibility, Shear Strength Relations, Permeability Variations Etc. Can Be Generalized For All Fine Grained Soils, Enabling The Prediction Of Behaviour Of Such Soils With Just The Knowledge Of Certain State And Index Properties. The Sequence Of Discussion Is On The Characterization Of Specific Soil States And Prediction Of Proportion Starting From The Ideal Saturated Uncemented Soils, Both Normally And Over Consolidated, Cemented Saturated Soils And Partly Saturated Soils.In Dealing With The Behaviour Of Coarse Grained Soils, The Importance Of Microfabric And The Difficulties In Possible Generalizations Are Discussed. Perhaps The Unique Feature Of This Book Is That The Division Of The Chapters Is Based On Different Soil States, All The Mechanical Behaviours Being Discussed Under Each Soil State.The Book Will Be Of Interest To Both Academicians And Practising Engineers, Researchers And Postgraduate Students. It Would Serve As A Textbook For Undergraduate Students With Prior Knowledge Of Basic Soil Mechanics.
Author : Amr S. Azzouz
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (562 download)
Download or read book Statistical analyses of index properties and compressibility of soils written by Amr S. Azzouz and published by . This book was released on 1974 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : A.K.L. Kwong
Publisher : Routledge
ISBN 13 : 1351416170
Total Pages : 730 pages
Book Rating : 4.3/5 (514 download)
Download or read book Soft Soil Engineering written by A.K.L. Kwong and published by Routledge. This book was released on 2017-10-06 with total page 730 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains seven keynote lectures and over 100 technical contributions by scientists, researchers, engineers and students from more than 25 countries and regions worldwide on the subject of soft soil engineering.
Author : Fernando Schnaid
Publisher : CRC Press
ISBN 13 : 0203931335
Total Pages : 352 pages
Book Rating : 4.2/5 (39 download)
Download or read book In Situ Testing in Geomechanics written by Fernando Schnaid and published by CRC Press. This book was released on 2009-01-13 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt: Demanding a thorough knowledge of material behaviour and numerical modelling, site characterisation and in situ test interpretation are no longer just basic empirical recommendations. Giving a critical appraisal of the understanding and assessment of the stress-strain-time and strength characteristics of geomaterials, this book explores new interpretation methods for measuring properties of a variety of soil formations. Emphasis is given to the five most commonly encountered in situ test techniques: standard penetration tests cone penetration tests vane test pressuremeter tests dilatometer tests Ideal for practising engineers in the fields of geomechanics and environmental engineering, this book solves numerous common problems in site characterisation. It is also a valuable companion for students coming to the end of their engineering courses and looking to work in this sector.
Author : Wissem Frikha
Publisher : Springer
ISBN 13 : 3319619020
Total Pages : 421 pages
Book Rating : 4.3/5 (196 download)
Download or read book Soil Testing, Soil Stability and Ground Improvement written by Wissem Frikha and published by Springer. This book was released on 2017-07-11 with total page 421 pages. Available in PDF, EPUB and Kindle. Book excerpt: Earthwork projects are critical components in civil construction and often require detailed management techniques and unique solution methods to address failures. Being earth bound, earthwork is influenced by geomaterial properties at the onset of a project. Hence, an understanding of the in-situ soil properties is essential. Slope stability is a common problem facing earthwork construction, such as excavations and shored structures. Analytical methods for slope stability remain critical for researchers due to the mechanical complexity of the system. Striving for better earthwork project managements, the geotechnical engineering community continues to find improved testing techniques for determining sensitive properties of soil and rock, including stress-wave based, non-destructive testing methods. To minimize failure during earthwork construction, past case studies and data may reveal useful lessons and information to improve project management and minimize economic losses. This volume is part of the proceedings of the 1st GeoMEast International Congress and Exhibition on Sustainable Civil Infrastructures, Egypt 2017.
Author : Kasinathan Muthukkumaran
Publisher : Springer Nature
ISBN 13 : 9811965137
Total Pages : 367 pages
Book Rating : 4.8/5 (119 download)
Download or read book Soil Behavior and Characterization of Geomaterials written by Kasinathan Muthukkumaran and published by Springer Nature. This book was released on 2022-11-30 with total page 367 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book comprises the select peer-reviewed proceedings of the Indian Geotechnical Conference (IGC) 2021. The contents focus on Geotechnics for Infrastructure Development and Innovative Applications. The book covers topics related to soil behavior and characterization of geomaterials, geotechnical, geological, and geophysical investigation of special topics such as behavior of unsaturated soils, offshore and marine geotechnics, remote sensing and GIS, instrumentation and monitoring, retrofitting of geotechnical structures, reliability in geotechnical engineering, geotechnical education, codes and standards, among others. This volume will be of interest to those in academia and industry.
Author : Sijing Wang
Publisher : Springer Nature
ISBN 13 : 9819990734
Total Pages : 575 pages
Book Rating : 4.8/5 (199 download)
Download or read book Engineering Geology for a Habitable Earth: IAEG XIV Congress 2023 Proceedings, Chengdu, China written by Sijing Wang and published by Springer Nature. This book was released on with total page 575 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Dhirajlal Somchand Shah
Publisher :
ISBN 13 :
Total Pages : 212 pages
Book Rating : 4.:/5 (364 download)
Download or read book An Experimental Study of the Compressibility of Soils written by Dhirajlal Somchand Shah and published by . This book was released on 1930 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Andre Kruk
Publisher :
ISBN 13 :
Total Pages : 124 pages
Book Rating : 4.:/5 (116 download)
Download or read book Compressibility of Fine-grained Soil in Central Florida written by Andre Kruk and published by . This book was released on 2020 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt: Settlement is a limiting design aspect in most geotechnical projects. Fine-grained cohesive soils are typically responsible for the majority of site settlements through a time dependent process known as consolidation. For this reason, it is desirable to accurately determine the degree of consolidation, referred to in the report as soil compressibility, of the fine-grained layers impacted by loading. Soil compressibility is commonly determined from the Oedometer test; however, this test is time consuming, expensive, highly susceptible to soil disturbance, and represents a very small zone of the soil layer. An alternative method to estimate the compressibility would be correlations with index properties which can be performed for all soil layers at a low cost and with quick turnover. Other methods include in-situ testing techniques such as Standard Penetration Testing (SPT), Cone Penetration Testing (CPT), Dilatometer Testing (DMT), and Pressuremeter Testing (PMT). The CPT is the most ideal test as it is repeatable, continuous, and commonly used. For this reason, this study utilizes an empirical method to refine correlations to index properties for local soils and estimate the compressibility via CPT. It was found that compressibility can be accurately estimated via CPT for soils with relatively high activity and moisture content. Index test correlations, when refined for the local geology, performed better than the generic correlations. The results for both techniques are not accurate enough to completely replace better in-situ or laboratory tests. However, it is this authors opinion that accurate determination of preconsolidation pressure is more important for accurate settlement estimation than compressibility indices. If the preconsolidation pressure is well defined for the site, the small error in the compressibility indices will have a minimal impact on the overall estimation of settlement. Consequently, this study will recommend a refined model for preconsolidation pressure in the conclusion chapter.
