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Detection And Quantification Of Expansive Clay Minerals In Geologically Diverse Texas Road Aggregate Fines
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Book Synopsis Detection and Quantification of Expansive Clay Minerals in Geologically-Diverse Texas Road Aggregate Fines by : George Andrew Russell
Download or read book Detection and Quantification of Expansive Clay Minerals in Geologically-Diverse Texas Road Aggregate Fines written by George Andrew Russell and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Expansive clay mineral contamination of road aggregate materials in Texas is a persistent problem. Hydrous layer silicate minerals - particularly smectites - in concretes are associated with decreased strength and durability in Portland cement and asphalt concretes. The Texas Department of Transportation (TXDOT) and Texas A&M Transportation Institute (TTI) evaluated the methylene blue adsorption test for its potential to identify and estimate quantities of expansive clays in aggregate stockpiles. Clay mineral quantification was completed for 27 geologically-diverse aggregate materials from Texas, Oklahoma, and Arkansas. X-ray diffraction analysis (XRD) of separated clays on glass was conducted, and NEWMOD was utilized to model the resulting diffraction patterns. Methylene blue adsorption (MBA) and cation exchange capacity (CEC) of clay fractions (
Book Synopsis Application of the Modified Methylene Blue Test to Detect Clay Minerals in Coarse Aggregate Fines by : Brandon Thomas Pitre
Download or read book Application of the Modified Methylene Blue Test to Detect Clay Minerals in Coarse Aggregate Fines written by Brandon Thomas Pitre and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this study was to implement a new, rapid field method to effectively and accurately detect harmful clay minerals in aggregate fines by using the modified methylene blue (MMB) test. The focus of this study was based on existing knowledge that expansive, or swelling, clays can cause performance problems in pavements whose coarse aggregate fraction contains an appreciable amount of clay. It has been shown through various research projects along with pavement sections in the field that have failed due to distresses caused by the presence of a considerable amount of deleterious clay minerals. As part of this study, nearly thirty aggregate sources, mainly throughout Texas, have been collected and tested using the MMB test. These samples also underwent chemical separation in order to determine the amount of clay contained within each sample. A strong correlation between the MMB test and the clay content detected by chemical separation results has been established. In other words, clay-rich samples have been reflected by the results of the MMB test, thus providing evidence of the test̕ s accuracy in detecting expansive clay minerals. In addition to the quantification of aggregate fines by mineralogy, performance testing using hot mix asphalt (HMA) and Portland cement concrete (PCC) mixes was also conducted. In one phase of the study, known amounts of standard clay minerals were introduced to the mixes, and performance testing was carried out. This was done in hopes of establishing a limit of tolerable amounts of clay in coarse aggregate fines that would not sacrifice concrete performance. In another phase of this study, natural stockpiled aggregates from select quarries throughout Texas known to contain clay minerals in the aggregate fines were used to make Portland cement concrete to see how they performed as the coarse aggregate fraction of the mixes. Through extensive methylene blue and concrete performance testing, the aim was to establish a threshold methylene blue value (MBV) that corresponds with the maximum permissible clay content within the aggregate fines. The electronic version of this dissertation is accessible from http://hdl.handle.net/1969.1/148415
Book Synopsis The Aggregates Handbook, Second Edition by : National Stone, Sand & Gravel Association
Download or read book The Aggregates Handbook, Second Edition written by National Stone, Sand & Gravel Association and published by . This book was released on 2013-03-20 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Handbook for Stabilization of Pavement Subgrades and Base Courses with Lime by : Dallas N. Little
Download or read book Handbook for Stabilization of Pavement Subgrades and Base Courses with Lime written by Dallas N. Little and published by . This book was released on 1995 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Correlations of Soil and Rock Properties in Geotechnical Engineering by : Jay Ameratunga
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.
Download or read book Aggregates written by Mick R. Smith and published by Geological Society of America. This book was released on 2001 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Interstratified Clay Minerals by : Saverio Fiore
Download or read book Interstratified Clay Minerals written by Saverio Fiore and published by . This book was released on 2010 with total page 175 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Handbook of Geotechnical Investigation and Design Tables by : Burt G. Look
Download or read book Handbook of Geotechnical Investigation and Design Tables written by Burt G. Look and published by CRC Press. This book was released on 2007-04-26 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt: This practical handbook of properties for soils and rock contains, in a concise tabular format, the key issues relevant to geotechnical investigations, assessments and designs in common practice. In addition, there are brief notes on the application of the tables. These data tables are compiled for experienced geotechnical professionals who require a reference document to access key information. There is an extensive database of correlations for different applications. The book should provide a useful bridge between soil and rock mechanics theory and its application to practical engineering solutions. The initial chapters deal with the planning of the geotechnical investigation, the classification of the soil and rock properties and some of the more used testing is then covered. Later chapters show the reliability and correlations that are used to convert that data in the interpretative and assessment phase of the project. The final chapters apply some of these concepts to geotechnical design. This book is intended primarily for practicing geotechnical engineers working in investigation, assessment and design, but should provide a useful supplement for postgraduate courses.
Book Synopsis The Deep Mixing Method by : Masaki Kitazume
Download or read book The Deep Mixing Method written by Masaki Kitazume and published by CRC Press. This book was released on 2013-02-21 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Deep Mixing Method (DMM), a deep in-situ soil stabilization technique using cement and/or lime as a stabilizing agent, was developed in Japan and in the Nordic countries independently in the 1970s. Numerous research efforts have been made in these areas investigating properties of treated soil, behavior of DMM improved ground under static and d
Book Synopsis Practices for Unbound Aggregate Pavement Layers by : E. Tutumluer
Download or read book Practices for Unbound Aggregate Pavement Layers written by E. Tutumluer and published by . This book was released on 2013 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: "TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 445: Practices for Unbound Aggregate Pavement Layers consolidates information on the state-of-the-art and state-of-the-practice of designing and constructing unbound aggregate pavement layers. The report summarizes effective practices related to material selection, design, and construction of unbound aggregate layers to potentially improve pavement performance and longevity."--Publisher website.
Book Synopsis Water in Road Structures by : Andrew Dawson
Download or read book Water in Road Structures written by Andrew Dawson and published by Springer Science & Business Media. This book was released on 2008-10-21 with total page 454 pages. Available in PDF, EPUB and Kindle. Book excerpt: Only book world-wide addressing this topic. The principal output of the European co-operative Action on "Water Movements in Road Pavements & Embankments". Provides unique guidance on assessing water condition and its affects on road performance. Provides unique guidance on assessing and ameliorating contaminant movement in pavement groundwater. Written by leading experts in Europe.
Book Synopsis Soil Stabilization with Portland Cement by : National Research Council (U.S.). Highway Research Board
Download or read book Soil Stabilization with Portland Cement written by National Research Council (U.S.). Highway Research Board and published by . This book was released on 1961 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report surveys the available information on mixtures of soil and cement. Included are data on (1) properties of cement-treated soil, (2) factors influencing properties of cement-treated soil, (3) uses of cement-treated soil and bituminous surfacing requirements, (4) preliminary surveying, sampling, testing and mix design for cement- treated soil construction, (5) structural design of soil- cement bases, (6) cement-treated soil construction, (7) engineering control of construction, and (8) field performance of soil-cement base courses.
Book Synopsis Mechanics of Particulate Materials by : J. Feda
Download or read book Mechanics of Particulate Materials written by J. Feda and published by Elsevier Science & Technology. This book was released on 1982 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mechanics of Particulate Materials
Download or read book Geo-frontiers 2011 written by and published by . This book was released on 2011 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Microscopy of Ceramics and Cements by : Herbert Insley
Download or read book Microscopy of Ceramics and Cements written by Herbert Insley and published by Elsevier. This book was released on 2013-10-22 with total page 301 pages. Available in PDF, EPUB and Kindle. Book excerpt: Microscopy of Ceramics and Cements: Including Glasses, Slags, and Foundry Sands presents the extraordinary value of the microscope in dealing with problems in the manufacture and use of ceramics. This book outlines the methods that are useful in applying polarizing microscope. Organized into 15 chapters, this book begins with an overview of the features of the instruments and of the methods employing them that are appropriate to their use in ceramic research and control laboratories. This text then book surveys the foundation of past experience with the microscope in the several ceramic fields of whitewares, refractories, porcelain enamels, cements, abrasives, foundry sands, and metallurgical slags as a basis for engineering applications and fundamental studies. Other chapters consider the nomenclature employed and interference figures. This book discusses as well the raw materials of ceramics. The final chapter deals with commercially used natural abrasives. This book is a valuable resource for chemists, physicist, and mineralogists.
Book Synopsis Foundations on Expansive Soils by : Fu Hua Chen
Download or read book Foundations on Expansive Soils written by Fu Hua Chen and published by Elsevier. This book was released on 2012-12-02 with total page 301 pages. Available in PDF, EPUB and Kindle. Book excerpt: Foundations on Expansive Soils provides the practicing engineer with a summary of the state-of-the-art of expansive soils and practical solutions based on the author's experience. The book is organized into two parts. Part I deals with theory and practice, and summarizes some of the theoretical physical properties of expansive soils. It also discusses various techniques employed to found structures on expansive soils such as drilled pier foundation, mat foundation, moisture control, soil replacement, and chemical stabilization. Topics covered include the origin, mineralogical composition, and the basic structure of expansive soils; the migration of water, swelling potential, and swelling pressure; site investigations and laboratory testing; moisture control; and soil stabilization. Part II presents case studies on the following: distress caused by pier uplift; distress caused by the improper design and construction of a drilled pier foundation system; distress caused by heaving of footing pad and floor slab; distress caused by heaving of continuous footings; and distress caused by a rise of ground water.
Download or read book Lime Stabilization written by and published by Transportation Research Board National Research. This book was released on 1987 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: For many years, various forms of lime, including products with varying degrees of purity, have been utilized successfully as soil stablizing agents. The state of the art in lime treatment based on a comprehensive analysis of current practice and technical literature is presented in this report. References are included for more information.
