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Author: Jeremy Ingham
Publisher: CRC Press
ISBN: 184076600X
Category : Science
Languages : en
Pages : 195
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Book Description
The first comprehensive guide to the petrography of geomaterials, making the petrographers specialist knowledge available to practitioners, educators and students worldwide interested in modern and historic construction materials.
Author: Jeremy Ingham
Publisher: CRC Press
ISBN: 184076600X
Category : Science
Languages : en
Pages : 195
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Book Description
The first comprehensive guide to the petrography of geomaterials, making the petrographers specialist knowledge available to practitioners, educators and students worldwide interested in modern and historic construction materials.
Author: Jeremy P. Ingham
Publisher:
ISBN: 9780124076693
Category : Building materials
Languages : en
Pages : 192
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Book Description
Geomaterials, or geologically derived materials, are of enormous economic importance to the global construction industry. If you are a geologist or petrographer who provides consultation to architects, civil engineers, and construction engineers, you must have the knowledge and expertise of the features and applications of geomaterials to provide accurate and safe recommendations. This is the first guide to the petrography of geomaterials, making the petrographer's specialist knowledge available to you in a single source. More than 350 full-color and captioned photos provide concise explanations of petrographic properties of geomaterials and how to interpret them-arming you with the tools to identify the highest quality geomaterials and how they are used in the construction industry. - Provides a summary of the properties and classifications of geomaterials - Includes more than 350 color and captioned photographs plus 35 tables, line drawings and diagrams - Provides an overview of geomaterials practice and a state of the art review of petrographic techniques.
Author: Qingxiang Meng
Publisher: Frontiers Media SA
ISBN: 2832507131
Category : Science
Languages : en
Pages : 561
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Book Description
Author: Marino Maggetti
Publisher: Geological Society of London
ISBN: 9781862391956
Category : Science
Languages : en
Pages : 368
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Book Description
Papers from a session of the 32nd International Geological Congress.
Author: Petrica VIZUREANU
Publisher: Materials Research Forum LLC
ISBN: 1644901129
Category : Technology & Engineering
Languages : en
Pages : 212
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Book Description
Geopolymerization techniques allow the conversion of industrial waste materials into environmentally friendly materials. The vast list of applications includes thermal insulation, fire-resistant materials, construction materials, refractory linings, cements and concretes, encapsulation of radioactive and toxic waste etc. The book presents the technological processes involved, as well as the characterization and applications of the resulting ecomaterials. Keywords: Geopolymerization, Industrial Waste Materials, Green Materials, Thermal Insulation, Fire-resistant Materials, Construction Materials, Refractory Linings, Cements and Concretes, Encapsulation of Radioactive Waste, Encapsulation of Toxic Waste, Thermal Power Plant Ash, Aluminosilicates Recycling, Porous Geopolymers, Environmentally Friendly Concrete.
Author: J.T. Hannibal
Publisher: Geological Society of London
ISBN: 1786204088
Category : Science
Languages : en
Pages : 348
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Book Description
Heritage stones are building and ornamental stones that have special significance in human culture. The papers in this volume discuss a wide variety of such materials, including stones from Europe, Asia, North and South America, Africa and Australia. Igneous (basalt, porphyry, granite), sedimentary (sandstone, limestone) and metamorphic (marble, quartzite, gneiss, soapstone, slate) stones are featured. These have been utilized over long periods of time for a wide range of uses contributing to the historic fabric of the built environment. Many of these stones are of international significance, and so are potential Global Heritage Stone Resources, that is stones that have the requisite qualities for international recognition by the Heritage Stones Subcommission of the International Union of Geological Sciences. The papers bring together diverse information on these stones ranging from their geological setting and quarry locations to mechanical properties, current availability, and uses over time. As such the papers can serve as an entry into the literature on these important stones.
Author: Francesco D’Andria
Publisher: Cambridge Scholars Publishing
ISBN: 1443892297
Category : Social Science
Languages : en
Pages : 275
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Book Description
This book explores archaeological excavations and investigations into the history of the Lykos valley, Turkey. The contributions discuss the latest discoveries at the Ploutonion of Hierapolis; the excavations of the tabernae in Tripolis; the Lykos Valley in prehistory and the second millennium BC; the origins of the marble used in Hierapolis; and archaeo-botanic studies in Hierapolis, among others. Taken together, all the articles gathered here reveal the strong connections between the cities of the valley.
Author: Isabela Wilfred Mtani
Publisher: kassel university press GmbH
ISBN: 3737600740
Category : Buildings
Languages : en
Pages : 229
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Book Description
The contribution of this study to the general body of knowledge is in providing an understanding of the thermodynamic behaviour of soluble salt mixtures in historic buildings located in the tropical marine zone of Tanzania. This tropical zone is found in the eastern part of the country along the Indian Ocean coast. This research is geared towards informing the general public, most of whom believe that salt crystallisation is the main cause of historic buildings deteriorating. This belief emanates from the understanding that historic buildings in a marine environment are highly susceptible to salt crystallisation, more so because they tend to receive daily oceanic spray which contains salt. The problem is aggravated by the encroachment of the ocean on these buildings. Salt crystallisation on these structures is further complicated by air pollution owing to rapid urbanisation in these areas. It is worth noting that salt crystallisation is an extremely complex process and its effect depend on many variables including climate. Ten historic buildings involved in this study are located in three different areas of the country. Eight historic buildings are located in the tropical climate 1 - 200 m from the Indian Ocean, and two historic buildings are located in inland Tanzania 190 km and 589 km from the ocean. These two historic buildings experience a modified tropical climate and semi-arid climate. The criteria for selecting the buildings considered variations and the extent of salt deterioration in different parts of the country.
The main goal of the study was to embark on a detailed analysis of the salt deterioration on Tanzanian historic buildings which has not hitherto been fully investigated and to provide a sustainable solution to the problem through climate control. This solution is needed, since there is no approved conservation programme and as a result of existing government budgetary constraints, very little conservation research has been done on any site or monuments except those registered under UNESCO. The research results of this project contributes to solving the existing monument research gap, thereby stimulating the initiation of a sustainable restoration programme, together with the provision of the much needed government research tools. This research provides information on the type of construction and building materials used during the construction of these buildings. Such information is vital in salt analysis and in futurerestoration, conservation and consolidation of these buildings, which provides a substantial income to the country through the tourist industry. There are also other factors like the preservation of the history and culture of the country and job creation.
The abundance of chloride (Cl-) ions of magnesium (Mg2+), sodium (Na+), and potasium (K+) in these buildings as identified by this study explains the survival of the historic buildings in the tropical marine areas of Tanzania. These ions can lead to the formation of halite (NaCl), sylvite (KCl), bischofite (MgCl2•6H2O), ammonium chloride (NH4Cl) and antarcticite (CaCl2•6H2O), depending on their presence and quantity in the walls of historic buildings. The results of ECOS/RUNSALT program indicate that salt is not the major problem because the major ions hitherto detected form salts like halite and sylvite, are mostly in liquid form. Under a high evaporation rate these salts easily migrate to the surface of the building’s walls whereby a supersaturated solution is formed leading to surface crystallisation. The surface crystallisation is evident in salt profile analysis by photospectrometry, whereby the quantity of soluble salt ions decreases with depth. The detachment of protective rendering, the peeling off of paint and efflorescence in the investigated historic buildings in tropical marine areas of Tanzania is evidence of surface crystallisation. Mirabilite (Na2SO4•10H2O), gypsum (CaSO4•2H2O) and epsomite (MgSO4•7H2O) can crystallize in tropical areas. The SO42- and NO3- ions detected in these buildings are so scanty as not to cause ionic interactions needed for the formation of destructive sodium sulphate (Na2SO4) except in the Cooperation Building where SO42- is as high as 1.8 % w/w. However, this is not a trivial problem and should not be ignored, especially because of the destructive nature of Na2SO4 and the increase in air pollution.
Laboratory simulation of the three environmental conditions using two salts, Na2SO4 and NaCl, provided similar results on the exposure of lime mortar samples in 50% Relative Humidity (RH) and 20oC; 75% RH and 28oC and 85% RH and 28oC. Samples exposed to 85% RH and 28oC in a controlled environment showed enormous deterioration due to crystallisation of Na2SO4.
Subsequently, NaCl is the major salt and is always in the solution. Reducing this salt is necessary to avoid associated damage like the formation of microorganisms. Thehygroscopic nature of NaCl retards the drying of materials, hence keeping the walls moist all the time, creating a conducive environment for biocolonisation. Routine desalination is necessary to keep the wall dry. In future, Na2SO4 and magnesium sulphate (MgSO4) will be a problem. Therefore, the RH within a building located in a tropical marine environment should be protected from frequent RH variations to prevent the damage associated with sulphate salts, that is only if the current trend of air pollution (i.e. an increase of 6% (WHO, 2014)) is mantained or increased.
Author: Patrick Sean Quinn
Publisher: Archaeopress Publishing Ltd
ISBN: 1789699428
Category : Social Science
Languages : en
Pages : 264
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Book Description
Thin section ceramic petrography is a versatile interdisciplinary analytical tool for the characterization and interpretation of archaeological pottery. Using over 200 photomicrographs of thin sections from a diverse range of artefacts, time periods and geographic regions, this provides comprehensive guidelines for their study within archaeology.
Author: Jorge de Brito
Publisher: MDPI
ISBN: 3039211404
Category : Technology & Engineering
Languages : en
Pages : 280
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Book Description
This book is the result of a Special Issue published in Applied Sciences, entitled “New Trends in Recycled Aggregate Concrete". It identifies emerging research areas within the field of recycled aggregate concrete and contributes to the increased use of this eco-efficient material. Its contents are organised in the following sections: Upscaling the use of recycled aggregate concrete in structural design; Large scale applications of recycled aggregate concrete; Long-term behaviour of recycled aggregate concrete; Performance of recycled aggregate concrete in very aggressive environments; Reliability of recycled aggregate concrete structures; Life cycle assessment of recycled aggregate concrete; New applications of recycled aggregate concrete.
