Brittle Matrix Composites 9

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Brittle Matrix Composites 10

Author : A M Brandt
Publisher : Elsevier
ISBN 13 : 0857099892
Total Pages : 350 pages
Book Rating : 4.8/5 (57 download)

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Book Synopsis Brittle Matrix Composites 10 by : A M Brandt

Download or read book Brittle Matrix Composites 10 written by A M Brandt and published by Elsevier. This book was released on 2012-11-12 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt: The subjects of the symposia are on composite materials behaving as brittle, normal and special conditions of exploitation. Brittle matrix composites are applied in various domains and the series of symposia are closely related to their applications in civil engineering. In the last decades their importance is increasing along with their variety and the use of most advanced methods of testing. Papers include concretes, fibre concretes and ceramics, particularly their composition, microstructure and fracture processes. Various new and advanced engineering problems are presented in the papers.

Brittle Matrix Composites 9

Author : A M Brandt
Publisher : Woodhead Publishing
ISBN 13 : 9781845697754
Total Pages : 0 pages
Book Rating : 4.6/5 (977 download)

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Book Synopsis Brittle Matrix Composites 9 by : A M Brandt

Download or read book Brittle Matrix Composites 9 written by A M Brandt and published by Woodhead Publishing. This book was released on 2009-11-30 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The subjects of the symposia are on composite materials with matrices behaving as brittle in normal or special conditions. Brittle matrix composites are applied in various domains (civil engineering, mechanical equipment and machinery, vehicles, etc.) and in the last decades their importance is increasing together with their variety. Papers include: aggregate-binder composites (concretes, fibre concretes, rocks); sintered materials (ceramics); high strength composites with brittle matrices. In principle, the general problems of structures made of composite materials are not included in the papers. Various approaches to the material engineering problems are presented in the papers.

Brittle Matrix Composites 10

Author : Andrzej Marek Brandt
Publisher :
ISBN 13 : 9788389687753
Total Pages : 409 pages
Book Rating : 4.6/5 (877 download)

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Book Synopsis Brittle Matrix Composites 10 by : Andrzej Marek Brandt

Download or read book Brittle Matrix Composites 10 written by Andrzej Marek Brandt and published by . This book was released on 2012 with total page 409 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Brittle Matrix Composites 9

Author : A M Brandt
Publisher : Elsevier
ISBN 13 : 085709307X
Total Pages : 600 pages
Book Rating : 4.8/5 (57 download)

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Book Synopsis Brittle Matrix Composites 9 by : A M Brandt

Download or read book Brittle Matrix Composites 9 written by A M Brandt and published by Elsevier. This book was released on 2009-11-30 with total page 600 pages. Available in PDF, EPUB and Kindle. Book excerpt: The subjects of the symposia are on composite materials with matrices behaving as brittle in normal or special conditions. Brittle matrix composites are applied in various domains (civil engineering, mechanical equipment and machinery, vehicles, etc.) and in the last decades their importance is increasing together with their variety. Papers include: aggregate-binder composites (concretes, fibre concretes, rocks); sintered materials (ceramics); high strength composites with brittle matrices. In principle, the general problems of structures made of composite materials are not included in the papers. Various approaches to the material engineering problems are presented in the papers.

Brittle Matrix Composites 7

Author : A M Brandt
Publisher : Woodhead Publishing
ISBN 13 : 9781855737693
Total Pages : 582 pages
Book Rating : 4.7/5 (376 download)

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Book Synopsis Brittle Matrix Composites 7 by : A M Brandt

Download or read book Brittle Matrix Composites 7 written by A M Brandt and published by Woodhead Publishing. This book was released on 2003-10 with total page 582 pages. Available in PDF, EPUB and Kindle. Book excerpt: The International Symposium in Brittle Matrix Composites October 13-15, 2003 covers a wide spectrum of topics including cement based composites, ceramic composites and brittle polymer matrix composites. In the papers various topics and issues are considered such as: analytical and numerical studies related to the design of composites, prediction of behaviour and verification of strength and stability, testing methods, manufacturing processes and repair, environmental effects and durability assessment. The present volume of 55 papers proves that there are still many problems in the field of brittle matrix composites deserving theoretical and experimental investigations and that new solutions to these problems are needed for practical application in civil engineering, industrial structures, machinery and other domains.

Brittle Matrix Composites

Author : Tomasz Zdeb
Publisher : Elsevier Inc. Chapters
ISBN 13 : 0128090227
Total Pages : 350 pages
Book Rating : 4.1/5 (28 download)

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Book Synopsis Brittle Matrix Composites by : Tomasz Zdeb

Download or read book Brittle Matrix Composites written by Tomasz Zdeb and published by Elsevier Inc. Chapters. This book was released on 2012-11-12 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper presents the results from an experimental study on the behaviour of Reactive Powder Concretes (RPC) at high temperature. The exposure to high temperature is related to the potential risk of fire. A previous study has shown that RPC is prone to spalling in such circumstances and for this reason polypropylene fibres were used in RPC concrete to prevent this occurring. The addition of PP fibres reduces the risk of spalling due to an increase in permeability, however it reduces the initial compressive strength of the RPC material by approx. 20 %. The results demonstrate that the strength of concrete along with the modulus of elasticity decrease with increasing temperature. Two experimental concretes were prepared and prismatic specimens, 40x40x80mm in size, were cast from each mixture and tested in compression after being submitted to the high temperature. The relative value of compressive strength course for both types of concrete shows a similar development. The change in modulus of elasticity with temperature was determined from the stress-strain relationship and compared with the dynamic modulus of elasticity determined with the use of a Pundit plus ultrasonic pulse velocity defectoscope.

Brittle Matrix Composites

Author : Agnieszka J Klemm
Publisher : Elsevier Inc. Chapters
ISBN 13 : 012809012X
Total Pages : 350 pages
Book Rating : 4.1/5 (28 download)

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Book Synopsis Brittle Matrix Composites by : Agnieszka J Klemm

Download or read book Brittle Matrix Composites written by Agnieszka J Klemm and published by Elsevier Inc. Chapters. This book was released on 2012-11-12 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt: Construction industry like any other area of economic and social life undergoes continuous alterations and improvements in order to successfully comply with the requirements of sustainable development. Consumers demand more durable, less labour and service intensive materials at a competitive price. To meet these expectations numerous new composite materials have been developed over the last couple of decades, including cementitious materials modified by superabsorbent polymers (SAP). The paper presents part of the larger research project on the performance of cementitious mortars containing two types of superabsorbent polymers (SAP) as the internal curing agent.SAP A is a copolymer of acrylamide and acrylic acid and SAP B is a polymer based on acrylic acid. Research work presented in this paper involves macro and micro scale characterisation of polymer modified mortars. The microstructural features were studied with application of the Mercury Intrusion Porosimetry and the Scanning Electron Microscopy techniques. Analyses of pore size distribution in mortars of different ages are accompanied by the analyses of strength and autogenous shrinkage development as well as early density changes in immature mortars by the X-ray absorption method. The investigations confirmed the positive effect of SAP A on the reduction of autogenous shrinkage and microcrack propagation. Limited absorption/desorption abilities of SAP B cannot reassure continuous supply of water and hence the performance of SAP B mortars was comparable with the reference samples. The effect of both SAPs on strength development proved to be negligible.

Brittle Matrix Composites

Author : Piotr Woyciechowski
Publisher : Elsevier Inc. Chapters
ISBN 13 : 0128090200
Total Pages : 350 pages
Book Rating : 4.1/5 (28 download)

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Book Synopsis Brittle Matrix Composites by : Piotr Woyciechowski

Download or read book Brittle Matrix Composites written by Piotr Woyciechowski and published by Elsevier Inc. Chapters. This book was released on 2012-11-12 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt: The aim of the paper was to show the important aspect of treating waste additives as the main way to achieve sustainable development in the concrete technology. The author considers the effects of minimizing the use of cement replacing it with waste additives, on the concrete durability. The depth of carbonation is adopted as the possible measure of durability. Results of accelerated and natural tests of carbonation progress for concrete with normal and fluidal fly ash, silica fume and blast furnace slag are shown, influence on carbonation of the additive type, its content in concrete and its role (cement or aggregate substitution) is discussed. The important impact of early water curing on depth of carbonation is stated also.

Brittle Matrix Composites

Author : Tatiana V. Lyashenko
Publisher : Elsevier Inc. Chapters
ISBN 13 : 012809026X
Total Pages : 350 pages
Book Rating : 4.1/5 (28 download)

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Book Synopsis Brittle Matrix Composites by : Tatiana V. Lyashenko

Download or read book Brittle Matrix Composites written by Tatiana V. Lyashenko and published by Elsevier Inc. Chapters. This book was released on 2012-11-12 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fibre reinforced polymer-cement compositions for self-levelling flooring are studied. The individual and combined effects of dispersible polymer powder with properties of binder and superplasticiser, of various methylcelluloses, and of polypropylene fibre on effective viscosity of the mix and mechanical properties of the hardened mortar are evaluated and analysed. Used for analysis are multifactor experimental-statistical models built on the data obtained for 18 mixes (of the same workability) in the designed experiment and describing the fields of rheological model parameters, of strength, and other criteria in composition coordinates. The models have made it possible to simulate material behaviour in computational experiments, to reveal and evaluate the correlations of the properties for different technological conditions, to find individual and compromise optima.

Brittle Matrix Composites

Author : Conrado de Souza Rodrigues
Publisher : Elsevier Inc. Chapters
ISBN 13 : 0128090464
Total Pages : 350 pages
Book Rating : 4.1/5 (28 download)

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Book Synopsis Brittle Matrix Composites by : Conrado de Souza Rodrigues

Download or read book Brittle Matrix Composites written by Conrado de Souza Rodrigues and published by Elsevier Inc. Chapters. This book was released on 2012-11-12 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt: More recent investigations on cellulose-cement composites predominantly deal with durability aspects, whereby use is made of accelerated weathering cycles as the main approach to establishing the deterioration mechanisms and the efficiency of treatment methods. As moisture transport is the main mechanism that leads to the deterioration of those composites, accelerated ageing tests are commonly based on wet-drying cycles with a combination of temperature and relative humidity (R.H.) variations. Both variables result in dimensional changes of the samples, leading to interfacial abrasion and the progressive decrease in the composites’ toughness and strength. To investigate the effects of each of these variables, the weathering tests were performed in an environmental chamber considering each variable separately in two ageing cycles. In the first one the composites were submitted to saturation and drying at a constant 25°C, by means of a relative humidity change in the chamber. For the second ageing cycle a temperature variation between 20°C and 60°C at a constant R.H. of 50% was applied. The effects of each ageing cycle on the cellulose-cement composites were assessed on the basis of physical and mechanical parameters, determined after 0, 5, 20 and 50 cycles. Moreover, part of the samples was provided with electrical strain gauges, which rendered possible to determine the composites’ expansion-shrinkage behaviour during the temperature and R.H. variations. As the main treatment approach, the partial replacement of cement (OPC) by rice husk ash (RHA) was investigated. It was found that RHA improved the strength and durability performance of the composites, although the increased porosity resulted from the 30% replacement rate of OPC and carbonate filler by RHA.

Brittle Matrix Composites

Author : Tomasz Ponikiewski
Publisher : Elsevier Inc. Chapters
ISBN 13 : 0128090278
Total Pages : 350 pages
Book Rating : 4.1/5 (28 download)

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Book Synopsis Brittle Matrix Composites by : Tomasz Ponikiewski

Download or read book Brittle Matrix Composites written by Tomasz Ponikiewski and published by Elsevier Inc. Chapters. This book was released on 2012-11-12 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt: The paper presents results of tests on self-compacting mixtures with the addition of steel fibres (Steel Fibre Reinforced Self-Compacting Concrete). Four types of steel fibres at 3 levels of the volume ratio are considered. The results include studies on samples belonging to classes of slump flow SF, classes of viscosity T500, and rheological tests. The studies were based on application of two rheometers for rheological properties of concrete mixtures - BT2 Rheometer and Viskomat XL. Additionally, a study of compressive strength fcm,28 and flexural strength f was carried out on concrete SFRSCC. These studies have confirmed the possibility of using steel fibres in concrete SCC while maintaining the assumed technological parameters for concrete mixtures and, above all, their workability.

Brittle Matrix Composites

Author :
Publisher :
ISBN 13 :
Total Pages : 728 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Brittle Matrix Composites by :

Download or read book Brittle Matrix Composites written by and published by . This book was released on 1994 with total page 728 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Brittle Matrix Composites 3

Author : Andrzej M Brandt
Publisher : Springer
ISBN 13 : 9781851666874
Total Pages : 606 pages
Book Rating : 4.6/5 (668 download)

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Book Synopsis Brittle Matrix Composites 3 by : Andrzej M Brandt

Download or read book Brittle Matrix Composites 3 written by Andrzej M Brandt and published by Springer. This book was released on 1991-08-31 with total page 606 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the third volume published in the series of proceedings of international symposia called 'Brittle Matrix Composites' organised every three years in Poland. The first Symposium, denoted as BMC1, was organised in Jablonna near Warsaw in 1985 under the auspices of the European Mechanics Committee (EUROMECH 204). The second (BMC2) took place in Cedzyna near Kielce in 1988; the present (BMC3) is being held in Warsaw in September 1991. The BMC Symposia are intended to cover mechanical problems related to three main groups of composite materials: high-strength composites, ceramics and cement-based materials. The common feature which is a link between these materials is their brittle behaviour. Brittleness has no clear definition, but it is considered as an important potential disadvantage of every material. Brittle fracture creates various situations which may be very dangerous for the safety and serviceability of structures manufactured from composite materials. Also the brittleness of non-structural elements may give rise to disadvan tageous behaviour, e.g. during transportation and montage. There are many structural and technological ways of reducing material brittleness. Their development and further improvement are of primordial importance for most applications of these composite materials. The problems considered in the series of BMC Symposia cover all aspects of brittle matrix composites: • design studies, theoretical considerations, computational methods; • prediction of behaviour, fracture mechanics and other approaches; • testing methods, test results, all types of experimental studies; • manufacturing processes, applications, observations and durability assess ments, environmental effects, etc.

Brittle Matrix Composites

Author : Dominik Logoń
Publisher : Elsevier Inc. Chapters
ISBN 13 : 0128090332
Total Pages : 350 pages
Book Rating : 4.1/5 (28 download)

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Book Synopsis Brittle Matrix Composites by : Dominik Logoń

Download or read book Brittle Matrix Composites written by Dominik Logoń and published by Elsevier Inc. Chapters. This book was released on 2012-11-12 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt: The main motivation for this work was the attempt to limit the rapid destruction of brittle high performance concrete UPC and, in consequence, to obtain SRCC (safe rope effect cement composite). In the high performance fiber reinforced cement composites HPFRC deflection and flexural strength are increased. The rope effect in HPFRC results in a highly deflected damaged specimen with multicracking effect and with post-peak load at bending exceeding that corresponding to the first crack, which enables to obtain cement composite with the ability to absorb additional energy after the appearance of the macrocrack. The SRCC paste and mortar were presented in the previous paper. This paper shows different effects of the strengthening of cement concrete with dispersed synthetic structural polypropylene fibers 19 and 54mm long. The possibility to control multicracking and the crack propagation process using the rope effect for SRCC composites, which eliminates the catastrophic process of the destruction of composite, was presented and a new possibility of the strengthening effects assessment was suggested.

Brittle Matrix Composites 2

Author : Andrzej M Brandt
Publisher : Springer
ISBN 13 : 9789400925458
Total Pages : 674 pages
Book Rating : 4.9/5 (254 download)

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Book Synopsis Brittle Matrix Composites 2 by : Andrzej M Brandt

Download or read book Brittle Matrix Composites 2 written by Andrzej M Brandt and published by Springer. This book was released on 2011-10-17 with total page 674 pages. Available in PDF, EPUB and Kindle. Book excerpt: The papers contained herein were presented at the Second International Sym posium on Brittle Matrix Composites (BMC2) held at Cedzyna, Poland, 20-22 September 1988. The colloquium was organiscd and sponsored by thc Institute of Fundamental Technological Research, Polish Academy of Sciences, in associa tion with Kielce Technical University and the Civil Engineering Committee of the Polish Academy of Sciences. The Symposium forms a logical progression from BMCI which was held in Jablonna, Poland, in November 1985. As the title implies, the Symposium addressed a variety of problems ranging from concrete to ceramics and so on; others which become embrittled under extraneous conditions were also addressed. Participants from twenty countries (Belgium, Bulgaria, People's Republic of China, Czechoslovakia, Denmark, Finland, France, Federal Republic of Germany, German Democratic Republic, Hungary, Japan, North Korea, The Netherlands, Poland, Portugal, the Soviet Union, Sweden, the United Kingdom, the United States and Vietnam) contri butcd to the success of the event. For logistical reasons, apart from five invited Plenary papers, the remaining sixty-nine contributions were, broadly speaking, subdivided into two Parallel Sessions. One branch dealt with Cement Based Composites, the other with Poly mers and Ceramics. Except for the inherent disadvantages of Parallel Sessions, this was probably the most efficient subdivision possible.

Brittle Matrix Composites 10

Author : Andrzej Marek Brandt
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (128 download)

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Book Synopsis Brittle Matrix Composites 10 by : Andrzej Marek Brandt

Download or read book Brittle Matrix Composites 10 written by Andrzej Marek Brandt and published by . This book was released on 2013 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The subjects of the symposia are on composite materials behaving as brittle, normal and special conditions of exploitation. Brittle matrix composites are applied in various domains and the series of symposia are closely related to their applications in civil engineering. In the last decades their importance is increasing along with their variety and the use of most advanced methods of testing. Papers include concretes, fibre concretes and ceramics, particularly their composition, microstructure and fracture processes. Various new and advanced engineering problems are presented in the papers.

Brittle Matrix Composites 7

Author : A M Brandt
Publisher : Elsevier
ISBN 13 : 085709310X
Total Pages : 564 pages
Book Rating : 4.8/5 (57 download)

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Book Synopsis Brittle Matrix Composites 7 by : A M Brandt

Download or read book Brittle Matrix Composites 7 written by A M Brandt and published by Elsevier. This book was released on 2003-10-01 with total page 564 pages. Available in PDF, EPUB and Kindle. Book excerpt: The International Symposium in Brittle Matrix Composites October 13-15, 2003 covers a wide spectrum of topics including cement based composites, ceramic composites and brittle polymer matrix composites. In the papers various topics and issues are considered such as: analytical and numerical studies related to the design of composites, prediction of behaviour and verification of strength and stability, testing methods, manufacturing processes and repair, environmental effects and durability assessment. The present volume of 55 papers proves that there are still many problems in the field of brittle matrix composites deserving theoretical and experimental investigations and that new solutions to these problems are needed for practical application in civil engineering, industrial structures, machinery and other domains.