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Comparison And Retrofitting Of Rcc Columns With Frp Overlays
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Book Synopsis Comparison and Retrofitting of Rcc Columns with Frp Overlays by : Aditya Gaikwad
Download or read book Comparison and Retrofitting of Rcc Columns with Frp Overlays written by Aditya Gaikwad and published by LAP Lambert Academic Publishing. This book was released on 2010-10 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book describes a detailed comparision of the various engineering properties of an FRP column and a reinforced concrete column. Also, a detailed understanding of the various processes involved in the manufacturing and testing of a FRP composite for retrofitting has been presented. There is a considerable number of existing reinforced concrete structures that do not meet current design standards because of inadequate design and/or construction or need structural upgrading to meet new seismic design requirements. Inadequate performance of this type of structures is a major concern from public safety standpoint. This paper presents an experimental research program aimed at developing a retrofitting technique that utilizes locally available high strength, lightweight, corrosion resistance advanced composites for retrofitting existing reinforced concrete columns. The proposed technique consists of applying Glass Fiber Reinforced Plastic (GFRP) to all surfaces of the concrete column to increase its stiffness and flexural strength.
Book Synopsis Statistics of Retrofitting Rcc Columns with Frp Overlays by : Pratim Doshi
Download or read book Statistics of Retrofitting Rcc Columns with Frp Overlays written by Pratim Doshi and published by LAP Lambert Academic Publishing. This book was released on 2011-03 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book is an effort to bring forth the process involved in retrofitting deformed or cracked concrete columns with Fiber Reinforced Plastic overlays and to analyse the properties of the columns before and after retrofitting. It details the various process available for retrofitting and details the calculations and analysis of a typical process using multiple samples of the columns. It is statistical in nature outlining the observation from the experimental results and their interpretation.
Book Synopsis Seismic Retrofit of RC Columns with FRP Composites and Anchorage System by : Apostolos Psaros Andriopoulos
Download or read book Seismic Retrofit of RC Columns with FRP Composites and Anchorage System written by Apostolos Psaros Andriopoulos and published by . This book was released on 2015 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt: Research on the use of composite materials in structural applications started more than 30 years ago but still remains active. The challenges that accompany those applications are diverse and seem to increase as the variety of applications grows. There are several fiber-reinforced polymer (FRP) systems that have been introduced through the years for strengthening reinforced concrete (RC) structures. Those systems focus on strengthening of slabs, beams and columns. The present study pertains to seismic retrofit of rectangular RC columns. The typical FRP materials used in structural applications are introduced, as well as, how FRP materials become an integral part of the force-resisting system. In addition, analysis work pertaining to a series of strengthened RC columns was conducted and the results were compared to the experimental data. Moreover, deficiencies of typical material models were highlighted. Design guidelines are discussed and recommendations about current design practices are provided. Finally, research gaps and future research recommendations are identified.
Book Synopsis Advances in Organic Farming by : Vijay Singh Meena
Download or read book Advances in Organic Farming written by Vijay Singh Meena and published by Woodhead Publishing. This book was released on 2021-08-10 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Organic Farming: Agronomic Soil Management Practices focuses on the integrated interactions between soil-plant-microbe-environment elements in a functioning ecosystem. It explains sustainable nutrient management under organic farming and agriculture, with chapters focusing on the role of nutrient management in sustaining global ecosystems, the remediation of polluted soils, conservation practices, degradation of pollutants, biofertilizers and biopesticides, critical biogeochemical cycles, potential responses for current and impending environmental change, and other critical factors. Organic farming is both challenging and exciting, as its practice of “feeding the soil, not the plant provides opportunity to better understand why some growing methods are preferred over others. In the simplest terms, organic growing is based on maintaining a living soil with a diverse population of micro and macro soil organisms. Organic matter (OM) is maintained in the soil through the addition of compost, animal manure, green manures and the avoidance of excess mechanization. Presents a comprehensive overview of recent advances and new developments in the field OF research within a relevant theoretical framework Highlights the scope of the inexpensive and improved management practices Focuses on the role of nutrient management in sustaining the ecosystems
Book Synopsis Analytical Models for Reinforced Concrete Columns Retrofitted with Fiber-reinforced Polymer Composites by : Jason Donald Ross
Download or read book Analytical Models for Reinforced Concrete Columns Retrofitted with Fiber-reinforced Polymer Composites written by Jason Donald Ross and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: Traditional rebar reinforcement methods in concrete columns have been accepted for many years as the common practice among designers and contractors. There has been a tremendous amount of research completed and designers are capable of predicting the future performance of the columns. More recently, retrofit methods have been used on aging concrete columns. This includes adding an additional layer of concrete or composite material around the existing column to slow the deterioration and to increase the concrete confinement. Current models exist in the use of a combination of a rebar cage and concrete as the retrofit method. Fiber-reinforced polymer (FRP) wraps are fast becoming a new form of technology to replace traditional rebar retrofit technology. The fiber-reinforced polymer wraps are a composite material that can be attached to the existing concrete column using an epoxy resin. The wrap increases the concrete confinement of the column and provides support for the concrete dilation in the column. However, FRP wraps are not heavily used in structural applications because there is not an accepted model that has been proven to accurately predict future strength characteristics of the confined concrete column. The focus of this research project is to use the results of an already completed test of concrete columns confined by FRP wraps, and compare the resulting stress-strain curves to the commonly proposed modeling technology available. FRP modeling is still relatively new and there is not a widely accepted model. The purpose of this research project is to determine how accurately the proposed FRP models predict the strength of the tested columns. There are many different models that have been proposed, but the key to the future of FRP retrofitting is to create a widely accepted, reliable model that engineers can use in design. It is important to normalize the design process of FRP retrofitted columns in order to better use the technology in the future.
Book Synopsis Seismic Design of Reinforced Concrete and Masonry Buildings by : Thomas Paulay
Download or read book Seismic Design of Reinforced Concrete and Masonry Buildings written by Thomas Paulay and published by Wiley-Interscience. This book was released on 1992-04-10 with total page 768 pages. Available in PDF, EPUB and Kindle. Book excerpt: Emphasizes actual structural design, not analysis, of multistory buildings for seismic resistance. Strong emphasis is placed on specific detailing requirements for construction. Fundamental design principles are presented to create buildings that respond to a wide range of potential seismic forces, which are illustrated by numerous detailed examples. The discussion includes the design of reinforced concrete ductile frames, structural walls, dual systems, reinforced masonry structures, buildings with restricted ductility and foundation walls. In addition to the examples, full design calculations are given for three prototype structures.
Author :fib Fédération internationale du béton Publisher :fib Fédération internationale du béton ISBN 13 :9782883940758 Total Pages :234 pages Book Rating :4.9/5 (47 download)
Book Synopsis Retrofitting of Concrete Structures by Externally Bonded FRPs, With Emphasis on Seismic Applications by : fib Fédération internationale du béton
Download or read book Retrofitting of Concrete Structures by Externally Bonded FRPs, With Emphasis on Seismic Applications written by fib Fédération internationale du béton and published by fib Fédération internationale du béton. This book was released on 2006-01-01 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt: fib Bulletin 35 is the first bulletin to publish documentation from an fib short course. These courses are held worldwide and cover advanced knowledge of structural concrete in general, or specific topics. They are organized by fib and given by internationally recognized experts in fib, often supplemented with local experts active in fib. They are based on the knowledge and expertise from fib's ten Commissions and nearly fifty Task Groups. fib Bulletin 35 presents the course materials developed for the short course "Retrofitting of Concrete Structures through Externally Bonded FRP, with emphasis on Seismic Applications", given in Ankara and Istanbul in June 2005. The course drew on expertise both from outside Turkey and from the large pool of local experts on this subject. In most countries of the world, the building stock is ageing and needs continuous maintenance or repair. Moreover, the majority of existing constructions are deficient in the light of current knowledge and design codes. The problem of structural deficiency of existing constructions is especially acute in seismic regions, as, even there, seismic design of structures is relatively recent. The direct and indirect costs of demolition and reconstruction of structurally deficient constructions are often prohibitive; furthermore they entail a substantial waste of natural resources and energy. Therefore, structural retrofitting is becoming increasingly widespread throughout the world. Externally bonded Fibre Reinforced Polymers (FRPs) are rapidly becoming the technique of choice for structural retrofitting. They are cleaner and easier to apply than conventional retrofitting techniques, reduce disruption to the occupancy and operation of the facility, do not generate debris or waste, and reduce health and accident hazards at the construction site as well as noise and air pollution in the surroundings. fib Bulletin 35 gives state-of-the-art coverage of retrofitting through FRPs and presents relevant provisions from three recent standardisation milestones: EN 1998-3:2005 "Eurocode 8: Design of structures for earthquake resistance - Part 3: Assessment and retrofitting of buildings", the 2005 Draft of the Turkish seismic design code, and the Italian regulatory document CNR-DT 200/04, "Instructions for Design, Execution and Control of Strengthening Interventions by Means of Fibre-Reinforced Composites" (2004).
Author :fib Fédération internationale du béton Publisher :fib Fédération internationale du béton ISBN 13 :9782883940543 Total Pages :178 pages Book Rating :4.9/5 (45 download)
Book Synopsis Externally Bonded FRP Reinforcement for RC Structures by : fib Fédération internationale du béton
Download or read book Externally Bonded FRP Reinforcement for RC Structures written by fib Fédération internationale du béton and published by fib Fédération internationale du béton. This book was released on 2001-01-01 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt: In December 1996, the then CEB established a Task Group with the main objective to elaborate design guidelines for the use of FRP reinforcement in accordance with the design format of the CEB-FIP Model Code and Eurocode2. With the merger of CEB and FIP into fib in 1998, this Task Group became fib TG 9.3 FRP Reinforcement for concrete structures in Commission 9 Reinforcing and Prestressing Materials and Systems. The Task Group consists of about 60 members, representing most European universities, research institutes and industrial companies working in the field of advanced composite reinforcement for concrete structures, as well as corresponding members from Canada, Japan and USA. Meetings are held twice a year and on the research level its work is supported by the EU TMR (European Union Training and Mobility of Researchers) Network "ConFibreCrete”. The work of fib TG 9.3 is performed by five working parties (WP): Material Testing and Characterization (MT&C) Reinforced Concrete (RC) Prestressed Concrete (PC) Externally Bonded Reinforcement (EBR) Marketing and Applications (M&A) This technical report constitutes the work conducted as of to date by the EBR party. This bulletin gives detailed design guidelines on the use of FRP EBR, the practical execution and the quality control, based on the current expertise and state-of-the-art knowledge of the task group members. It is regarded as a progress report since it is not the aim of this report to cover all aspects of RC strengthening with composites. Instead, it focuses on those aspects that form the majority of the design problems. several of the topics presented are subject of ongoing research and development, and the details of some modelling approaches may be subject to future revisions. as knowledge in this field is advancing rapidly, the work of the EBR WP will continue. Inspite of this limit in scope, considerable effort has been made to present a bulletin that is today’s state-of-art in the area of strengthening of concrete structures by means of externally bonded FRP reinforcement.
Book Synopsis Advances in FRP Composites in Civil Engineering by : Lieping Ye
Download or read book Advances in FRP Composites in Civil Engineering written by Lieping Ye and published by Springer Science & Business Media. This book was released on 2012-02-01 with total page 956 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Advances in FRP Composites in Civil Engineering" contains the papers presented at the 5th International Conference on Fiber Reinforced Polymer (FRP) Composites in Civil Engineering in 2010, which is an official conference of the International Institute for FRP in Construction (IIFC). The book includes 7 keynote papers which are presented by top professors and engineers in the world and 203 papers covering a wide spectrum of topics. These important papers not only demonstrate the recent advances in the application of FRP composites in civil engineering, but also point to future research endeavors in this exciting area. Researchers and professionals in the field of civil engineering will find this book is exceedingly valuable. Prof. Lieping Ye and Dr. Peng Feng both work at the Department of Civil Engineering, Tsinghua University, China. Qingrui Yue is a Professor at China Metallurgical Group Corporation.
Book Synopsis Experimental Research of Reinforced Concrete Column Retrofit Methods by : Eric Andrew Miller
Download or read book Experimental Research of Reinforced Concrete Column Retrofit Methods written by Eric Andrew Miller and published by . This book was released on 2006 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: As our infrastructure continues to age, retrofitting of existing structural members is becoming a very common practice. Several methods have been researched and proven effective in increasing the axial load capacity of reinforced concrete columns. These methods include concrete, steel, and fiber reinforced polymer (FRP) jackets. Reinforcement for concrete jacketed specimens has traditionally been provided by rebar reinforcement as well as welded wire fabric (WWF). FRP has been applied as a wrap and in composite plate form. A new reinforcement product, Prefabricated Cage System (PCS), is suggested as a possible alternative retrofit reinforcement for concrete jackets. A thorough literature review of concrete retrofit and confinement research was conducted. The aforementioned retrofits are experimentally tested and compared with the new PCS reinforcement product as part of this research. Seventeen circular columns were constructed, retrofitted, and tested under axial compression until failure. Axial load-displacement responses of the specimens were recorded and the critical behaviors of the specimens were documented during testing. Data from the testing is analyzed and compared. Additionally, innovative concepts to accurately determine the behavior of concrete jacket retrofitted columns are presented, which may assist in future concrete jacket retrofit modeling.
Book Synopsis Seismic Performance and Retrofitting of Reinforced Concrete Bridge Bents by :
Download or read book Seismic Performance and Retrofitting of Reinforced Concrete Bridge Bents written by and published by . This book was released on 2002 with total page 566 pages. Available in PDF, EPUB and Kindle. Book excerpt: Summary available via the World Wide Web as of 8/29/2002 from the Bridge Research and Information Center web site,
Book Synopsis Failure, Distress and Repair of Concrete Structures by : Norb Delatte
Download or read book Failure, Distress and Repair of Concrete Structures written by Norb Delatte and published by Elsevier. This book was released on 2009-10-26 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt: Understanding and recognising failure mechanisms in concrete is a fundamental pre-requisite to determining the type of repair, or whether a repair is feasible. This title provides a review of concrete deterioration and damage, as well as looking at the problem of defects in concrete. It also discusses condition assessment and repair techniques. Part one discusses failure mechanisms in concrete and covers topics such as causes and mechanisms of deterioration in reinforced concrete, types of damage in concrete structures, types and causes of cracking and condition assessment of concrete structures. Part two reviews the repair of concrete structures with coverage of themes such as standards and guidelines for repairing concrete structures, methods of crack repair, repair materials, bonded concrete overlays, repairing and retrofitting concrete structures with fiber-reinforced polymers, patching deteriorated concrete structures and durability of repaired concrete. With its distinguished editor and international team of contributors, Failure and repair of concrete structures is a standard reference for civil engineers, architects and anyone working in the construction sector, as well as those concerned with ensuring the safety of concrete structures. Provides a review of concrete deterioration and damage Discusses condition assessment and repair techniques, standards and guidelines
Book Synopsis Advances in Earthquake Engineering for Urban Risk Reduction by : S. Tanvir Wasti
Download or read book Advances in Earthquake Engineering for Urban Risk Reduction written by S. Tanvir Wasti and published by Springer Science & Business Media. This book was released on 2006-06-15 with total page 563 pages. Available in PDF, EPUB and Kindle. Book excerpt: Earthquakes affecting urban areas can lead to catastrophic situations and hazard mitigation requires preparatory measures at all levels. Structural assessment is the diagnosis of the seismic health of buildings. Assessment is the prelude to decisions about rehabilitation or even demolition. The scale of the problem in dense urban settings brings about a need for macro seismic appraisal procedures because large numbers of existing buildings do not conform to the increased requirements of new earthquake codes and specifications or have other deficiencies. It is the vulnerable buildings - liable to cause damage and loss of life - that need immediate attention and urgent appraisal in order to decide if structural rehabilitation and upgrading are feasible. Current economic, efficient and occupant-friendly rehabilitation techniques vary widely and include the application either of precast concrete panels or layers, strips and patches of fiber reinforced polymers (FRP) in strategic locations. The papers in this book, many by renowned authorities in earthquake engineering, chart new and vital directions of research and application in the assessment and rehabilitation of buildings in seismic regions. While several papers discuss the probabilistic prediction and quantification of structural damage, others present approaches related with the in-situ and occupant friendly upgrading of buildings and propose both economical and practical techniques to address the problem.
Book Synopsis ACI 440. 2R-17 Guide for the Design and Construction of Externally Bonded FRP Systems for Strengthening Concrete Structures by : ACI Committee 440
Download or read book ACI 440. 2R-17 Guide for the Design and Construction of Externally Bonded FRP Systems for Strengthening Concrete Structures written by ACI Committee 440 and published by . This book was released on 2017-04-27 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis 10th International Conference on FRP Composites in Civil Engineering by : Alper Ilki
Download or read book 10th International Conference on FRP Composites in Civil Engineering written by Alper Ilki and published by Springer Nature. This book was released on 2021-11-26 with total page 2516 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume highlights the latest advances, innovations, and applications in the field of FRP composites and structures, as presented by leading international researchers and engineers at the 10th International Conference on Fibre-Reinforced Polymer (FRP) Composites in Civil Engineering (CICE), held in Istanbul, Turkey on December 8-10, 2021. It covers a diverse range of topics such as All FRP structures; Bond and interfacial stresses; Concrete-filled FRP tubular members; Concrete structures reinforced or pre-stressed with FRP; Confinement; Design issues/guidelines; Durability and long-term performance; Fire, impact and blast loading; FRP as internal reinforcement; Hybrid structures of FRP and other materials; Materials and products; Seismic retrofit of structures; Strengthening of concrete, steel, masonry and timber structures; and Testing. The contributions, which were selected by means of a rigorous international peer-review process, present a wealth of exciting ideas that will open novel research directions and foster multidisciplinary collaboration among different specialists.
Book Synopsis Blast Retrofit of Reinforced Concrete Columns by : Alan Eric Walker Lloyd
Download or read book Blast Retrofit of Reinforced Concrete Columns written by Alan Eric Walker Lloyd and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Decision Based Design by : Vijitashwa Pandey
Download or read book Decision Based Design written by Vijitashwa Pandey and published by CRC Press. This book was released on 2013-08-26 with total page 570 pages. Available in PDF, EPUB and Kindle. Book excerpt: In a presentation that formalizes what makes up decision based design, Decision Based Design defines the major concepts that go into product realization. It presents all major concepts in design decision making in an integrated way and covers the fundamentals of decision analysis in engineering design. It also trains engineers to understand the impacts of design decision. The author teaches concepts in demand modeling and customer preference modeling and provides examples. This book teaches most fundamental concepts encountered in engineering design like: concept generation, multiattribute decision analysis, reliability engineering, design optimization, simulation, and demand modeling. The book provides the tools engineering practitioners and researchers need to first understand that engineering design is best viewed as a sequence of decisions made by the stakeholders involved and then apply the decision based design concepts in practice. It teaches fundamental concepts encountered in engineering design, such as concept generation, multiattribute decision analysis, reliability engineering, design optimization, simulation, and demand modeling. This book helps students and practitioners understand that there is a rigorous way to analyze engineering decisions taking into consideration all the potential technical and business impacts of their decisions. It can be used in its entirety to teach a course in decision based design, while selected chapters can also be used to cover courses in subdisciplines that make up decision based design.
