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Axial Deformation Measurement In Repeated Load Triaxial Testing
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Book Synopsis Axial Deformation Measurement in Repeated Load Triaxial Testing by : A. Nataatmadja
Download or read book Axial Deformation Measurement in Repeated Load Triaxial Testing written by A. Nataatmadja and published by . This book was released on 1990 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper describes a method of axial deformation measurement for use in repeated load triaxial testing of pavement materials. An internal deformation measurement system is necessary because of the low strain regime involved, but normal transducers can only be used in an inert cell fluid. As this is both expensive and messy, the use of sealed transducers in water is preferable, but the cost of such units induces the use of a system based on a single transducer. Therefore, aluminium rings are used in an arrangement that allows the mean axial deformation over the central portion of the specimen to be determined by the use of a single hermetically sealed displacement transducer.
Download or read book ספר המצרף written by and published by . This book was released on 1820 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Characterisation of the Deformation Behaviour of Unbound Granular Materials Using Repeated Load Triaxial Testing by : Negin Zhalehjoo
Download or read book Characterisation of the Deformation Behaviour of Unbound Granular Materials Using Repeated Load Triaxial Testing written by Negin Zhalehjoo and published by . This book was released on 2018 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Unbound Granular Materials (UGMs) are used in the base/subbase layers of flexible pavements for the majority of roads around the world. The deterioration of pavements increases with the increase of traffic loadings. To ensure the long-term performance and serviceability of pavement structures through a realistic design, the precise evaluation and comprehensive characterisation of the resilient and permanent deformation behaviour of pavement materials are essential. The present PhD study aims to investigate the characterisation of the resilient and permanent deformation behaviour of four road base UGMs sourced from quarries in Victoria, Australia, using Repeated Load Triaxial (RLT) testing. The triaxial system used in this study is instrumented with four axial deformation measurement transducers to achieve highly precise measurements and to evaluate the effect of instrumentation on the resilient modulus of UGMs. The resilient Poisson's ratio of the studied UGMs is also determined using a radial Hall-Effect transducer. Moreover, a series of permanent deformation tests is performed to precisely characterise the axial and radial permanent deformation behaviour of UGMs and investigate the factors that may significantly influence the accumulated axial and radial permanent deformations. Finally, three permanent deformation models incorporated with a time-hardening procedure are employed to predict the magnitude of permanent strain for multiple stress levels of the RLT test. The predictions using the employed models are then compared against the measured values to evaluate the suitability of the models and to identify the model that best predicts the strain accumulation behaviour of the tested UGMs. While this study focuses on the resilient and permanent deformation behaviour of four Victorian UGMs under repeated loading, the knowledge generated from this comprehensive investigation will contribute towards the global development of more reliable methods for evaluating the long-term performance of pavement structures and minimising road maintenance and repair costs." -- Abstract.
Book Synopsis Triaxial Testing of Soils by : Poul V. Lade
Download or read book Triaxial Testing of Soils written by Poul V. Lade and published by John Wiley & Sons. This book was released on 2016-03-09 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt: Triaxial Testing of Soils explains how to carry out triaxial tests to demonstrate the effects of soil behaviour on engineering designs. An authoritative and comprehensive manual, it reflects current best practice and instrumentation.References are made throughout to easily accessible articles in the literature and the books focus is on how to obtain high quality experimental results.
Book Synopsis Resilient and Permanent Characteristics of Reinforced Granular Materials by Repeated Load Triaxial Tests by : F. Moghaddas-Nejad
Download or read book Resilient and Permanent Characteristics of Reinforced Granular Materials by Repeated Load Triaxial Tests written by F. Moghaddas-Nejad and published by . This book was released on 2003 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt: Drained repeated load triaxial compression tests were conducted to investigate the resilient and permanent stress-strain behavior of two granular materials reinforced by a geogrid. In order to obtain more accurate measurement of recoverable deformation, an on-sample measuring method was utilized. Because devices for measuring the axial and lateral deformation are attached to the specimen, the confining pressure is provided by applying a vacuum within the specimen. The effect of a geogrid in reducing the permanent deformation of soils at various combinations of deviator and confining stress is investigated and discussed. The test results indicate that a geogrid can play a significant role in reduction of deformation of the triaxial specimen, and could, therefore, be expected to reduce deformations in the field. However, the results obtained for resilient deformations show that the geogrid does not have a considerable influence on the resilient modulus of the two types of soil (sand and fine gravel) that were tested.
Book Synopsis In Situ Testing Devices and Strain Measurements by : National Research Council (U.S.). Transportation Research Board
Download or read book In Situ Testing Devices and Strain Measurements written by National Research Council (U.S.). Transportation Research Board and published by . This book was released on 1998 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Functional Pavement Design by : Sandra Erkens
Download or read book Functional Pavement Design written by Sandra Erkens and published by CRC Press. This book was released on 2016-10-14 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: Functional Pavement Design is a collections of 186 papers from 27 different countries, which were presented at the 4th Chinese-European Workshops (CEW) on Functional Pavement Design (Delft, the Netherlands, 29 June-1 July 2016). The focus of the CEW series is on field tests, laboratory test methods and advanced analysis techniques, and cover analysis, material development and production, experimental characterization, design and construction of pavements. The main areas covered by the book include: - Flexible pavements - Pavement and bitumen - Pavement performance and LCCA - Pavement structures - Pavements and environment - Pavements and innovation - Rigid pavements - Safety - Traffic engineering Functional Pavement Design is for contributing to the establishment of a new generation of pavement design methodologies in which rational mechanics principles, advanced constitutive models and advanced material characterization techniques shall constitute the backbone of the design process. The book will be much of interest to professionals and academics in pavement engineering and related disciplines.
Book Synopsis Determination of Resilient Modulus Values for Typical Plastic Soils in Wisconsin by : Hani Hasan Titi
Download or read book Determination of Resilient Modulus Values for Typical Plastic Soils in Wisconsin written by Hani Hasan Titi and published by . This book was released on 2011 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objectives of this research are to establish a resilient modulus test results database and to develop correlations for estimating the resilient modulus of Wisconsin fine-grained soils from basic soil properties. A laboratory testing program was conducted on representative Wisconsin fine-grained soils to evaluate their physical and compaction properties. The resilient modulus of the investigated soils was determined from the repeated load triaxial (RLT) test following the AASHTO T307 procedure. The laboratory testing program produced a high-quality and consistent test results database.
Book Synopsis Triaxial Testing System for Measuring Loading-Rate Effects During Cyclic Tests of Sand by : E. Hoque
Download or read book Triaxial Testing System for Measuring Loading-Rate Effects During Cyclic Tests of Sand written by E. Hoque and published by . This book was released on 2004 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: A triaxial testing system is described for obtaining reliable data for measuring stiffness and damping of a sand by applying cyclic load in the frequency range between 0.005 and 2.0 Hz. The system is equipped with LDTs to measure axial deformations locally, gap sensors (GSs) to measure axial and radial deformations, and a load-cell. The data acquisition units of these components were critically examined for the possible existence and the influences of time lag in the stress-strain responses of cyclic load. For the measurement of a pair of corresponding stress and strain, data acquisition systems consisting of various electronic transducers must be identical to each other. Damping ratio evaluated with axial strain by the inductive-type sensor GS was found unreliable when used with a strain-gage type load cell to measure deviator stress. The problem was totally absent in the pair of load cell and LDTs as they are strain-gage type devices having similar data acquisition units. Using the latter combination, the stiffness was observed independent of frequency, while damping showed noticeable dependency on the frequency of loading.
Book Synopsis Mechanics of Structures and Materials by : M.A. Bradford
Download or read book Mechanics of Structures and Materials written by M.A. Bradford and published by CRC Press. This book was released on 1999-01-01 with total page 788 pages. Available in PDF, EPUB and Kindle. Book excerpt: Structural mechanics in Australasia is the focus of the some 100 papers, but among them are also contributions from North America, Japan, Britain, Asia, and southeast Asia.
Book Synopsis Deformation Characteristics of Geomaterials / Comportement Des Sols Et Des Roches Tendres by : H. Di Benedetto
Download or read book Deformation Characteristics of Geomaterials / Comportement Des Sols Et Des Roches Tendres written by H. Di Benedetto and published by CRC Press. This book was released on 2003-01-01 with total page 1460 pages. Available in PDF, EPUB and Kindle. Book excerpt: The main themes of this conference are experimental investigations into deformation properties - from very small strains to beyond failure, laboratory, in-situ and field observation interpretations, and behaviour characterization and modelling. Emphasis is placed on exploring recent investigations into time-related stresses, and on applying advanced geotechnical testing to real engineering problems.
Download or read book Transportation Research Record written by and published by . This book was released on 1999 with total page 838 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Soil Stress-Strain Behavior: Measurement, Modeling and Analysis by : Hoe I. Ling
Download or read book Soil Stress-Strain Behavior: Measurement, Modeling and Analysis written by Hoe I. Ling and published by Springer Science & Business Media. This book was released on 2007-11-28 with total page 989 pages. Available in PDF, EPUB and Kindle. Book excerpt: The material in this work is focused on recent developments in research into the stress-strain behavior of geomaterials, with an emphasis on laboratory measurements, soil constitutive modeling and behavior of soil structures (such as reinforced soils, piles and slopes). The latest advancements in the field, such as the rate effect and dynamic behavior of both clay and sand, behavior of modified soils and soil mixtures, and soil liquefaction are addressed.
Download or read book CRREL Report written by and published by . This book was released on 1987 with total page 686 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A System for the Measurement of Dynamic Stress and Strain in Repetitional Triaxial Loading by : M. Ryall
Download or read book A System for the Measurement of Dynamic Stress and Strain in Repetitional Triaxial Loading written by M. Ryall and published by . This book was released on 1970 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Roads and Airfields in Cold Regions by : Ted S. Vinson
Download or read book Roads and Airfields in Cold Regions written by Ted S. Vinson and published by ASCE Publications. This book was released on 1996-01-01 with total page 334 pages. Available in PDF, EPUB and Kindle. Book excerpt: This state-of-the-practice report on the design and development of roads and airfields is the eighth monograph in a series prepared by the Technical Council on Cold Regions Engineering of the American Society of Civil Engineers. Previous reports in the series covered such topics as frost action and its control embankment design, and arctic coastal processes. This book discusses such topics as: 1) Route-location/siting; 2) frost action; 3) design for permafrost conditions; 4) low temperature cracking; 5) maintenance; 6) use of geosynthetics; and 7) materials specifications and testing. This monograph contributes a substantial amount of new material to the Cold Regions Engineering series.
Book Synopsis Advances in Interlaboratory Testing and Evaluation of Bituminous Materials by : Manfred N. Partl
Download or read book Advances in Interlaboratory Testing and Evaluation of Bituminous Materials written by Manfred N. Partl and published by Springer Science & Business Media. This book was released on 2012-10-17 with total page 465 pages. Available in PDF, EPUB and Kindle. Book excerpt: This STAR on asphalt materials presents the achievements of RILEM TC 206 ATB, acquired over many years of interlaboratory tests and international knowledge exchange. It covers experimental aspects of bituminous binder fatigue testing; the background on compaction methods and imaging techniques for characterizing asphalt mixtures including validation of a new imaging software; it focuses on experimental questions and analysis tools regarding mechanical wheel tracking tests, comparing results from different labs and using finite element techniques. Furthermore, long-term rutting prediction and evaluation for an Austrian road are discussed, followed by an extensive analysis and test program on interlayer bond testing of three different test sections which were specifically constructed for this purpose. Finally, the key issue of manufacturing reclaimed hot mix asphalt in the laboratory is studied and recommendations for laboratory ageing of bituminous mixtures are given.
