Abrasion On Concrete Surfaces Caused By Hydraulic Loading With Water Borne Sands

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Abrasion on Concrete Surfaces Caused by Hydraulic Loading with Water-Borne Sands

Author : Mohammad Sabbir Hasan
Publisher :
ISBN 13 :
Total Pages : 136 pages
Book Rating : 4.:/5 (111 download)

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Book Synopsis Abrasion on Concrete Surfaces Caused by Hydraulic Loading with Water-Borne Sands by : Mohammad Sabbir Hasan

Download or read book Abrasion on Concrete Surfaces Caused by Hydraulic Loading with Water-Borne Sands written by Mohammad Sabbir Hasan and published by . This book was released on 2015 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hydraulic structures play an important role in regulation and transport of water in reservoirs as well as open channels. They are also useful for flow measurement. Examples of such structures include spillways, stilling basins, weirs, gates, and culverts. These structures commonly have concrete surfaces. Under the impacts of water flow, the concrete surfaces suffer inevitably from abrasive erosion. This is particularly problematic for ageing structures under the impacts of flowing water with suspended sediment in high concentrations. Severe abrasion can cause structural deterioration, leading to a shortened service life. It may not be possible to completely prevent abrasion in hydraulic structures. However, it is possible to reduce abrasion by using proper repairing materials. This study is aimed at investigating different types of repairing materials, with respect to their suitability as a protective layer on existing concrete surfaces. This study takes the experimental approach. Concrete specimens of cylindrical shape were cast using four types of materials: 1) a premium quality concrete mix of Portland cement, 2) latex modified repair material, 3) silica fume fibre-reinforced repair material, and 4) fly ash fibre-reinforced repair material. The concrete specimens were allowed to harden for a period of up to 28 days. A series of laboratory experiments were carried out, where the flat circular surface at the top of the concrete cylinders was subject to direct impact (for 3 to 9 hours) from a high-speed jet of a sand and water mixture from a nozzle. Material mass loss was determined as well as the depth of jet-induced abrasion on the top surface, abraded surface topography and abraded material volume, were measured using 3D scan technology. These measurements were analyzed using ArcGIS tools, and MATLAB functions. Evaluations of how well the concrete specimens resisted abrasive erosion were determined through comparisons. The results show that in terms of abrasion resistance, the silica fume material is the best among the four types of materials, whereas the concrete mix is the poorest. The results also show that abrasion resistance of the concrete specimens increases when they have had sufficient time to age to their maximum structural integrity. A longer exposure to jet flow leads to higher abrasion. This study is perhaps the first to combine 3D scan and ArcGIS technologies to investigate abrasion depth and volume of different concrete materials. This study has led to the development of effective methods for data analysis and interpretation.

Repair of Concrete Surfaces Subjected to Abrasion Erosion Damage

Author : James E. McDonald
Publisher :
ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.:/5 (227 download)

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Book Synopsis Repair of Concrete Surfaces Subjected to Abrasion Erosion Damage by : James E. McDonald

Download or read book Repair of Concrete Surfaces Subjected to Abrasion Erosion Damage written by James E. McDonald and published by . This book was released on 1979 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: A survey of Corps Divisions and District offices identified 54 structures that have experienced concrete damage due to erosion. Depths of erosion ranged from a few inches to approximately 10 ft. In general, this erosion damage resulted from the abrasive effects of waterborne rocks and other debris being circulated over the concrete surface during construction and operation of the structure. A variety of materials including armored concrete, conventional concrete, epoxy resins, fiber-reinforced concrete, and polymer-impregnated concrete have been used in the repairs reported herein with varying degrees of success, the degree of success generally being inversely proportional to the degree of exposure to those conditions conducive to erosion damage. These materials have been used with various construction procedures including dewatering and underwater repairs. It appears that given appropriate flow conditions in the presence of debris, all of the materials described are susceptible to some degree of erosion. No one material has demonstrated a consistently superior performance advantage over alternate materials. While improvements in materials should reduce the rate of concrete damage due to erosion, this alone will not solve the problem. Until the adverse hydraulic conditions which caused the original damage are minimized or eliminated, it will be extremely difficult for any of the materials currently being used in repair to perform in the desired manner. (Author).

Proceedings of the 7th International Probabilistic Workshop

Author : Pieter van Gelder
Publisher : Dirk Proske Verlag
ISBN 13 : 3000250484
Total Pages : 588 pages
Book Rating : 4.0/5 (2 download)

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Book Synopsis Proceedings of the 7th International Probabilistic Workshop by : Pieter van Gelder

Download or read book Proceedings of the 7th International Probabilistic Workshop written by Pieter van Gelder and published by Dirk Proske Verlag. This book was released on 2009 with total page 588 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Performance Criteria for Concrete Durability

Author : H. Hilsdorf
Publisher : CRC Press
ISBN 13 : 0203626672
Total Pages : 226 pages
Book Rating : 4.2/5 (36 download)

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Book Synopsis Performance Criteria for Concrete Durability by : H. Hilsdorf

Download or read book Performance Criteria for Concrete Durability written by H. Hilsdorf and published by CRC Press. This book was released on 2004-06-02 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is a state-of-the-art report prepared by RILEM Technical Committee 116-PCD and is an authoritative, international review of the subject and is an essential reference source for engineers and technologists. Performance Criteria for Concrete Durability explains key aspects of concrete durability, and the relationships between transport mechanisms and concrete durability characteristics. It reviews test methods for measuring permeability in the laboratory and on site, and discusses the many factors which influence the durability of concrete to carbonation, chlorides, abrasion etc.

ASM Handbook

Author :
Publisher :
ISBN 13 :
Total Pages : 744 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis ASM Handbook by :

Download or read book ASM Handbook written by and published by . This book was released on 2005 with total page 744 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Hydrodemolition of Concrete Surfaces and Reinforced Concrete

Author : Andreas Momber
Publisher : Elsevier
ISBN 13 : 0080534309
Total Pages : 285 pages
Book Rating : 4.0/5 (85 download)

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Book Synopsis Hydrodemolition of Concrete Surfaces and Reinforced Concrete by : Andreas Momber

Download or read book Hydrodemolition of Concrete Surfaces and Reinforced Concrete written by Andreas Momber and published by Elsevier. This book was released on 2011-04-18 with total page 285 pages. Available in PDF, EPUB and Kindle. Book excerpt: Industrial manufacturers are increasingly using very high pressure water jets for the cleaning and breaking up of materials. Until recently, the demolition of reinforced concrete has been a long and difficult process, but developments in the design and use of high pressure water jets have made this a cleaner and faster process with many other applications in civil, construction and environmental engineering. Andreas Momber, a well known expert in water jet and abrasive water jet cutting technology has produced a unique and comprehensive book dealing with the fundamentals of the hydrodemolition process. Coverage includes equipment, processes, surface quality aspects, demolition with abrasive water jets, pulsed liquid jets, alternative applications and safety aspects. This book will help you to...•Understand the hydrodemolition process and its rewards, enabling you to achieve a cleaner, faster process in the demolition of concrete surfaces and reinforced concrete. •Learn when and where hydrodemolition can be used •Understand the costs, advantages and safety aspects involved•Apply the technique to new applications in your industry such as cleaning and waste management•Purchase the appropriate equipment, cutting time and maintenance costs * Written by a well known expert in the field of water jet and abrasive water jet cutting technology* First comprehensive book in the growing area of hydrodemolition of concrete surfaces and reinforced concrete * Coverage includes the theory and practice of the hydrodemolition process

Architectural Graphic Standards

Author : American Institute of Architects
Publisher : John Wiley & Sons
ISBN 13 : 111890950X
Total Pages : 1096 pages
Book Rating : 4.1/5 (189 download)

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Book Synopsis Architectural Graphic Standards by : American Institute of Architects

Download or read book Architectural Graphic Standards written by American Institute of Architects and published by John Wiley & Sons. This book was released on 2016-03-21 with total page 1096 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 'Architect's Bible' since 1932, updated with the latest codes and standards Architectural Graphic Standards is the written authority for architects, designers, and building contractors. It provides comprehensive guidance on the visual representation of materials, products, systems, and assemblies. Updated to reflect the most current codes and standards, this new 12th edition features over 300 new drawings, tables, and designs and twenty-five percent new content. In response to architects' feedback and overwhelming demand for a more graphics-heavy format, this edition employs shorter, more accessible texts and more images of the standards and evolution of design and construction. New coverage includes building resiliency and the building envelope, expert discussion on the fundamentals of design and construction documentation, and new examination of environmental factors and material properties and performance. Sustainable Design is no longer separated, but incorporated throughout, and extensive appendices keep useful data right at your fingertips. Graphic standards are essential to building design. They cover everything from door frames and roof designs to air ducts and outdoor sports facilities. This meticulous resource provides a compendium of planning standards, optimum dimensions, and normative construction details. The book is organized into three core sections covering: design and documentation, materials, and building elements. Architectural Graphic Standards features: Key architectural design and production processes—functional planning, environmental assessment, building resiliency, and architectural construction documentation Thorough coverage of materials: concrete, masonry, metals, wood, plastics, composites, and glass An exhaustive survey of building elements—substructures, shells, services, equipment, furnishings, special structures, and siteworks Comprehensive appendixes filled with pertinent data such as: classic architectural elements, mathematical data, and structural calculations Endorsed by the American Institute of Architects, this book has an enduring and unsurpassed reputation for high-quality illustration, text, and graphic design. For crucial information in a user-friendly format, Architectural Graphic Standards is the go-to reference on building design and construction.

Concrete Under Severe Conditions

Author : University of British Columbia. Department of Civil Engineering
Publisher :
ISBN 13 :
Total Pages : 1184 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Concrete Under Severe Conditions by : University of British Columbia. Department of Civil Engineering

Download or read book Concrete Under Severe Conditions written by University of British Columbia. Department of Civil Engineering and published by . This book was released on 2001 with total page 1184 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Design and Control of Concrete Mixtures

Author : Steven H. Kosmatka
Publisher :
ISBN 13 :
Total Pages : 224 pages
Book Rating : 4.X/5 (6 download)

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Book Synopsis Design and Control of Concrete Mixtures by : Steven H. Kosmatka

Download or read book Design and Control of Concrete Mixtures written by Steven H. Kosmatka and published by . This book was released on 1988 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt: Portland Cement Association reference, dealing with fundamentals, cold weather concreting, curing, admixtures, aggregates, mixing, and much more.

Journal of Hydrodynamics

Author :
Publisher :
ISBN 13 :
Total Pages : 436 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Journal of Hydrodynamics by :

Download or read book Journal of Hydrodynamics written by and published by . This book was released on 2006 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt:

ACI Materials Journal

Author :
Publisher :
ISBN 13 :
Total Pages : 776 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis ACI Materials Journal by :

Download or read book ACI Materials Journal written by and published by . This book was released on 1995 with total page 776 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Engineering and Design

Author : Us Army Corps Of Engineers
Publisher : Military Bookshop
ISBN 13 : 9781780397603
Total Pages : 192 pages
Book Rating : 4.3/5 (976 download)

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Book Synopsis Engineering and Design by : Us Army Corps Of Engineers

Download or read book Engineering and Design written by Us Army Corps Of Engineers and published by Military Bookshop. This book was released on 1995-06 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: This manual provides guidance on evaluating the condition of the concrete in a structure, relating the condition of the concrete to the underlying cause or causes of that condition, selecting an appropriate repair material and method for any deficiency found, and using the selected materials and methods to repair or rehabilitate the structure. Guidance is also included on maintenance of concrete and on preparation of concrete investigation reports for repair and rehabilitation projects. Considerations for certain specialized types of rehabilitation projects are also given.

Architectural Graphic Standards

Author : The American Institute of Architects
Publisher : John Wiley & Sons
ISBN 13 : 0471700916
Total Pages : 1120 pages
Book Rating : 4.4/5 (717 download)

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Book Synopsis Architectural Graphic Standards by : The American Institute of Architects

Download or read book Architectural Graphic Standards written by The American Institute of Architects and published by John Wiley & Sons. This book was released on 2007-03-30 with total page 1120 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since 1932, the ten editions of Architectural Graphic Standards have been referred to as the "architect's bible." From site excavation to structures to roofs, this book is the first place to look when an architect is confronted with a question about building design. With more than 8,000 architectural illustrations, including both reference drawings and constructible architectural details, this book provides an easily accessible graphic reference for highly visual professionals. To celebrate seventy-five years as the cornerstone of an industry, this commemorative Eleventh Edition is the most thorough and significant revision of Architectural Graphic Standards in a generation. Substantially revised to be even more relevant to today's design professionals, it features: An entirely new, innovative look and design created by Bruce Mau Design that includes a modern page layout, bold second color, and new typeface Better organized-- a completely new organization structure applies the UniFormat(r) classification system which organizes content by function rather than product or material Expanded and updated coverage of inclusive, universal, and accessible design strategies Environmentally-sensitive and sustainable design is presented and woven throughout including green materials, LEEDS standards, and recyclability A bold, contemporary new package--as impressive closed as it is open, the Eleventh Edition features a beveled metal plate set in a sleek, black cloth cover Ribbon Markers included as a convenient and helpful way to mark favorite and well used spots in the book All New material Thoroughly reviewed and edited by hundreds of building science experts and experienced architects, all new details and content including: new structural technologies, building systems, and materials emphasis on sustainable construction, green materials, LEED standards, and recyclability expanded and updated coverage on inclusive, universal, and accessible design strategies computing technologies including Building Information Modeling (BIM) and CAD/CAM new information on regional and international variations accessibility requirements keyed throughout the text new standards for conducting, disseminating, and applying architectural research New and improved details With some 8,500 architectural illustrations, including both reference drawings and constructible architectural details, Architectural Graphic Standards continues to be the industry's leading, easily accessible graphic reference for highly visual professionals.

Public Works

Author :
Publisher :
ISBN 13 :
Total Pages : 564 pages
Book Rating : 4.3/5 (117 download)

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Book Synopsis Public Works by :

Download or read book Public Works written by and published by . This book was released on 1977 with total page 564 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Selected Water Resources Abstracts

Author :
Publisher :
ISBN 13 :
Total Pages : 878 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Selected Water Resources Abstracts by :

Download or read book Selected Water Resources Abstracts written by and published by . This book was released on 1989 with total page 878 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Effects of Substances on Concrete and Guide to Protective Treatments

Author :
Publisher :
ISBN 13 :
Total Pages : 17 pages
Book Rating : 4.:/5 (124 download)

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Book Synopsis Effects of Substances on Concrete and Guide to Protective Treatments by :

Download or read book Effects of Substances on Concrete and Guide to Protective Treatments written by and published by . This book was released on 1981 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Use of Fiber-reinforced Concrete in Hydraulic Structures and Marine Environments

Author : George C. Hoff
Publisher :
ISBN 13 :
Total Pages : 38 pages
Book Rating : 4.3/5 (126 download)

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Book Synopsis Use of Fiber-reinforced Concrete in Hydraulic Structures and Marine Environments by : George C. Hoff

Download or read book Use of Fiber-reinforced Concrete in Hydraulic Structures and Marine Environments written by George C. Hoff and published by . This book was released on 1975 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper was prepared for presentation at the first RILEM (Reunion Internationale des Laboratoires dEssais et de Recherches sur les Materiaux et les Constructions) International Symposium on Fiber-Reinforced Cement and Concrete held in London, England, UK, 14-17 September 1975.