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Rilem Technical Committee 195 Dtd Recommendation For Test Methods For Ad And Td Of Early Age Concrete
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Book Synopsis RILEM Technical Committee 195-DTD Recommendation for Test Methods for AD and TD of Early Age Concrete by : Øyvind Bjøntegaard
Download or read book RILEM Technical Committee 195-DTD Recommendation for Test Methods for AD and TD of Early Age Concrete written by Øyvind Bjøntegaard and published by Springer. This book was released on 2014-08-28 with total page 109 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report presents the Round-Robin (RR) program and test results including a statistical evaluation of the RILEM TC195-DTD committee named “Recommendation for test methods for autogenous deformation (AD) and thermal dilation (TD) of early age concrete”. The task of the committee was to investigate the linear test set-up for AD and TD measurements (Dilation Rigs) in the period from setting to the end of the hardening phase some weeks after. These are the stress-inducing deformations in a hardening concrete structure subjected to restraint conditions. The main task was to carry out an RR program on testing of AD of one concrete at 20 °C isothermal conditions in Dilation Rigs. The concrete part materials were distributed to 10 laboratories (Canada, Denmark, France, Germany, Japan, The Netherlands, Norway, Sweden and USA), and in total 30 tests on AD were carried out. Some supporting tests were also performed, as well as a smaller RR on cement paste. The committee has worked out a test procedure recommendation which is reported separately and submitted acceptance as a RILEM method.
Book Synopsis RILEM Recommendations for the Prevention of Damage by Alkali-Aggregate Reactions in New Concrete Structures by : Philip J. Nixon
Download or read book RILEM Recommendations for the Prevention of Damage by Alkali-Aggregate Reactions in New Concrete Structures written by Philip J. Nixon and published by Springer. This book was released on 2015-09-30 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains the full set of RILEM Recommendations which have been produced to enable engineers, specifiers and testing houses to design and produce concrete which will not suffer damage arising from alkali reactions in the concrete. There are five recommended test methods for aggregates (designated AAR-1 to AAR-5), and an overall recommendation which describes how these should be used to enable a comprehensive aggregate assessment (AAR-0). Additionally, there are two Recommended International Specifications for concrete (AAR-7.1 & 7.2) and a Preliminary International Specification for dams and other hydro structures (AAR-7.3), which describe how the aggregate assessment can be combined with other measures in the design of the concrete to produce a concrete with a minimised risk of developing damage from alkali-aggregate reactions.
Book Synopsis Advanced Techniques for Testing of Cement-Based Materials by : Marijana Serdar
Download or read book Advanced Techniques for Testing of Cement-Based Materials written by Marijana Serdar and published by Springer Nature. This book was released on 2020-02-18 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book examines advanced, non-standardized techniques that have been developed for determining different properties of cement paste, mortar and concrete, and provides state-of-the-art information on methods for monitoring hydration-induced changes in cement-based materials (CBMs). These methods are often nondestructive and allow quasi-continuous monitoring covering the time span from placement of the material to formation of a fully hardened cement composite. The book also presents various applications of acoustic emission for characterizing fresh concrete, recent developments in ultrasonic methods for characterizing CBMs since placement, application of ambient response methods for measuring elastic modulus, methods for determining deformational characteristics of CBMs since setting and methods for in situ measurements of stresses in concrete elements during hardening.
Book Synopsis Volume Changes of Hardening Concrete by : Ole Mejlhede Jensen
Download or read book Volume Changes of Hardening Concrete written by Ole Mejlhede Jensen and published by . This book was released on 2006 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Application of Super Absorbent Polymers (SAP) in Concrete Construction by : Viktor Mechtcherine
Download or read book Application of Super Absorbent Polymers (SAP) in Concrete Construction written by Viktor Mechtcherine and published by Springer Science & Business Media. This book was released on 2012-01-03 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the state-of-the-art report prepared by the RILEM TC “Application of Super Absorbent Polymers (SAP) in concrete construction”. It gives a comprehensive overview of the properties of SAP, specific water absorption and desorption behaviour of SAP in fresh and hardening concrete, effects of the SAP addition on rheological properties of fresh concrete, changes of cement paste microstructure and mechanical properties of concrete. Furthermore, the key advantages of using SAP are described in detail: the ability of this material to act as an internal curing agent to mitigate autogenous shrinkage of high-performance concrete, the possibility to use SAP as an alternative to air-entrainment agents in order to increase the frost resistance of concrete, and finally, the benefit of steering the rheology of fresh cement-based materials. The final chapter describes the first existing and numerous prospective applications for this new concrete additive.
Book Synopsis Thermal Cracking of Massive Concrete Structures by : Eduardo M.R. Fairbairn
Download or read book Thermal Cracking of Massive Concrete Structures written by Eduardo M.R. Fairbairn and published by Springer. This book was released on 2018-05-23 with total page 409 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a State of the Art Report (STAR) produced by RILEM Technical Committee 254-CMS ‘Thermal Cracking of Mas-sive Concrete Structures’. Several recent developments related to the old problem of understanding/predicting stresses originated from the evolution of the hydration of concrete are at the origin of the creation this technical committee. Having identified a lack in the organization of up-to-date scientific and technological knowledge about cracking induced by hydration heat effects, this STAR aims to provide both practitioners and scientists with a deep integrated overview of consolidated knowledge, together with recent developments on this subject.
Book Synopsis Developments in the Formulation and Reinforcement of Concrete by : Sidney Mindess
Download or read book Developments in the Formulation and Reinforcement of Concrete written by Sidney Mindess and published by Woodhead Publishing. This book was released on 2019-06-26 with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt: Developments in the Formulation and Reinforcement of Concrete, Second Edition, presents the latest developments on topics covered in the first edition. In addition, it includes new chapters on supplementary cementitious materials, mass concrete, the sustainably of concrete, service life prediction, limestone cements, the corrosion of steel in concrete, alkali-aggregate reactions, and concrete as a multiscale material. The book's chapters introduce the reader to some of the most important issues facing today's concrete industry. With its distinguished editor and international team of contributors, users will find this to be a must-have reference for civil and structural engineers. Summarizes a wealth of recent research on structural concrete, including material microstructure, concrete types, and variation and construction techniques Emphasizes concrete mixture design and applications in civil and structural engineering Reviews modern concrete materials and novel construction systems, such as the precast industry and structures requiring high-performance concrete
Book Synopsis Resistance of Concrete to Chloride Ingress by : Luping Tang
Download or read book Resistance of Concrete to Chloride Ingress written by Luping Tang and published by CRC Press. This book was released on 2011-10-06 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chloride ingress in reinforced concrete induces corrosion and consequent spilling and structural weakness, and it occurs world-wide and imposes an enormous cost. Yet it can be resisted by using test methods and relevant models for service life prediction.Resistance of Concrete to Chloride Ingress sets out current understanding of chloride transport
Book Synopsis Structural Adhesive Joints in Engineering by : R. D. Adams
Download or read book Structural Adhesive Joints in Engineering written by R. D. Adams and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 317 pages. Available in PDF, EPUB and Kindle. Book excerpt: The intention of this book is that it should contain everything an engineer needs to know to be able to design and produce adhesively bonded joints which are required to carry significant loads. The advan tages and disadvantages of bonding are given, together with a sufficient understanding of the necessary mechanics and chemistry to enable the designer to make a sound engineering judgement in any particular case. The stresses in joints are discussed extensively so that the engineer can get sufficient philosophy or feel for them, or can delve more deeply into the mathematics to obtain quantitative solutions even with elasto plastic behaviour. A critical description is given of standard methods of testing adhesives, both destructively and non-destructively. The essen tial chemistry of adhesives and the importance of surface preparation are described and guidance is given for adhesive selection by me ans of check lists. For many applications, there will not be a unique adhesive which alone is suitable, and factors such as cost, convenience, produc tion considerations or familiarity may be decisive. A list of applications is given as examples. The authors wish to increase the confidence of engineers using adhesive bonding in load-bearing applications by the information and experience presented. With increasing experience of adhesives en gineering, design will become more elegant as weH as more fitted to its products.
Book Synopsis Digital Fabrication with Cement-Based Materials by : Nicolas Roussel
Download or read book Digital Fabrication with Cement-Based Materials written by Nicolas Roussel and published by Springer Nature. This book was released on 2022-01-12 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the work of the RILEM Technical Committee 276-DFC: Digital fabrication with cement-based materials. The most important outcomes of the technical committee are presented. First, a unified process classification for digital fabrication with concrete is proposed, discussed and illustrated. Then, a state of the art of the testing methods (both at a material and structural level and in the fresh and hardened state) is provided. The gathered knowledge is expected to form the foundation of some quality control procedures for fresh properties along with hardened properties and service life performance. The book will benefit academics, practitioners, industry and standardization committees interested in digital fabrication with cement-based materials.
Book Synopsis Cementitious Materials by : Herbert Pöllmann
Download or read book Cementitious Materials written by Herbert Pöllmann and published by Walter de Gruyter GmbH & Co KG. This book was released on 2017-12-18 with total page 518 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aside from water the materials which are used by mankind in highest quantities arecementitious materials and concrete. This book shows how the quality of the technical product depends on mineral phases and their reactions during the hydration and strengthening process. Additives and admixtures infl uence the course of hydration and the properties. Options of reducing the CO2-production in cementitious materials are presented and numerous examples of unhydrous and hydrous phases and their formation conditions are discussed. This editorial work consists of four parts including cement composition and hydration, Special cement and binder mineral phases, Cementitious and binder materials, and Measurement and properties. Every part contains different contributions and covers a broad range within the area. Contents Part I: Cement composition and hydration Diffraction and crystallography applied to anhydrous cements Diffraction and crystallography applied to hydrating cements Synthesis of highly reactive pure cement phases Thermodynamic modelling of cement hydration: Portland cements – blended cements – calcium sulfoaluminate cements Part II: Special cement and binder mineral phases Role of hydrotalcite-type layered double hydroxides in delayed pozzolanic reactions and their bearing on mortar dating Setting control of CAC by substituted acetic acids and crystal structures of their calcium salts Crystallography and crystal chemistry of AFm phases related to cement chemistry Part III: Cementitious and binder materials Chemistry, design and application of hybrid alkali activated binders Binding materials based on calcium sulphates Magnesia building material (Sorel cement) – from basics to application New CO2-reduced cementitious systems Composition and properties of ternary binders Part IV: Measurement and properties Characterization of microstructural properties of Portland cements by analytical scanning electron microscopy Correlating XRD data with technological properties No cement production without refractories
Book Synopsis Performance-Based Specifications and Control of Concrete Durability by : Hans Beushausen
Download or read book Performance-Based Specifications and Control of Concrete Durability written by Hans Beushausen and published by Springer. This book was released on 2015-09-24 with total page 373 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work gives an overview of significant research from recent years concerning performance-based design and quality control for concrete durability and its implementation. In engineering practice, performance approaches are often still used in combination with prescriptive requirements. This is largely because, for most durability test methods, sufficient practical experience still has to be gained before engineers and owners are prepared to fully rely on them. This book, compiled by RILEM TC 230-PSC, is intended to assist efforts to successfully build the foundation for the full implementation of performance-based approaches through the exchange of relevant knowledge and experience between researchers and practitioners worldwide.
Book Synopsis Analysis of Repeated Measures by : Martin J. Crowder
Download or read book Analysis of Repeated Measures written by Martin J. Crowder and published by Routledge. This book was released on 2017-10-24 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt: Repeated measures data arise when the same characteristic is measured on each case or subject at several times or under several conditions. There is a multitude of techniques available for analysing such data and in the past this has led to some confusion. This book describes the whole spectrum of approaches, beginning with very simple and crude methods, working through intermediate techniques commonly used by consultant statisticians, and concluding with more recent and advanced methods. Those covered include multiple testing, response feature analysis, univariate analysis of variance approaches, multivariate analysis of variance approaches, regression models, two-stage line models, approaches to categorical data and techniques for analysing crossover designs. The theory is illustrated with examples, using real data brought to the authors during their work as statistical consultants.
Author :International Union of Testing and Research Laboratories for Materials and Structures Publisher :RILEM Publications ISBN 13 :9782912143082 Total Pages :408 pages Book Rating :4.1/5 (43 download)
Book Synopsis Engineering and Transport Properties of the Interfacial Transition Zone in Cementitious Composites by : International Union of Testing and Research Laboratories for Materials and Structures
Download or read book Engineering and Transport Properties of the Interfacial Transition Zone in Cementitious Composites written by International Union of Testing and Research Laboratories for Materials and Structures and published by RILEM Publications. This book was released on 1999 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Time-Dependent Behaviour of Concrete Structures by : Raymond Ian Gilbert
Download or read book Time-Dependent Behaviour of Concrete Structures written by Raymond Ian Gilbert and published by CRC Press. This book was released on 2010-09-15 with total page 423 pages. Available in PDF, EPUB and Kindle. Book excerpt: Serviceability failures of concrete structures involving excessive cracking or deflection are relatively common, even in structures that comply with code requirements. This is often as a result of a failure to adequately account for the time-dependent deformations of concrete in the design of the structure. The serviceability provisions embodied in codes of practice are relatively crude and, in some situations, unreliable and do not adequately model the in-service behaviour of structures. In particular, they fail to adequately account for the effects of creep and shrinkage of the concrete. Design for serviceability is complicated by the non-linear and inelastic behaviour of concrete at service loads. Providing detailed information, this book helps engineers to rationally predict the time-varying deformation of concrete structures under typical in-service conditions. It gives analytical methods to help anticipate time-dependent cracking, the gradual change in tension stiffening with time, creep induced deformations and the load independent strains caused by shrinkage and temperature changes. The calculation procedures are illustrated with many worked examples. A vital guide for practising engineers and advanced students of structural engineering on the design of concrete structures for serviceability and provides a penetrating insight into the time-dependent behaviour of reinforced and prestressed concrete structures.
Book Synopsis Between Prohibition and Legalization by : Ed Leuw
Download or read book Between Prohibition and Legalization written by Ed Leuw and published by Kugler Publications. This book was released on 1994 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt: In a period of two decades Dutch drug policy has evolved in partial opposition to the internationally dominant ideology of prohibitionism. The "normalizing" home policy, together with the compliance to law enforcement in the international arena, make up a rather complicated and ambivalent Dutch position in drug policy. The Dutch drug policy is fully in line with the international control practices against wholesale drug trafficking. In regards to its social drug policy, however, it has become a rare dissenter within an increasingly unifying and compelling international drug policy context. This book gives an account of the national Dutch drug control strategy.
Book Synopsis Thermal Cracking in Concrete at Early Ages by : R. Springenschmid
Download or read book Thermal Cracking in Concrete at Early Ages written by R. Springenschmid and published by CRC Press. This book was released on 1994-10-13 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt: Restraint and intrinsic stresses in concrete at early ages are vitally important for concrete structures which must remain free of water-permeable cracks, such as water-retaining structures, tunnel linings, locks and dams. The development of hydration heat, stiffness and strength, also the degree of restraint and, especially for high-strength concrete, non-thermal effects, are decisive for sensitivity to cracking. Determining thses stresses in the laboratory and in construction components has led to a clearer understanding of how they develop and how to optimize mix design, temperature and curing conditions. New testing equipment has enabled the effects of all the important parameters to be qualified and more reliable models for predictiong restraint stresses to be developed. Thermal Cracking in Conrete at Early Ages contains 56 contributions by leading international specialists presented at the RILEM Symposium held in October 1994 at the Technical University of Munich. It will be valuable for construction and site engineers, concrete technologists and scientists.
