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Author: Mahesh Gajula Nagabhushanam Publisher: ISBN: Category : Bridges Languages : en Pages : 170
Book Description
In this study the fiber composite bridge decks were subjected to thermal gradients to obtain the temperature difference between the top and bottom surface of the decks and to determine the thermal properties of the deck. The fiber composite bridge decks were fabricated in sizes of 2 feet wide x 8 feet long x .5 feet deep and 4 feet wide x 8 feet long x .5 feet deep specimens by Kansas Structural Composites Inc. The project consisted of 3 specimens of size 2 feet in width x 8 feet in length x .5 feet in depth with ribs oriented along longitudinal direction, 3 specimens of size 2 feet in width x 8 feet in length x .5 feet in depth with ribs oriented along transverse direction and a specimen of size 4 feet in width x 8 feet in length x .5 feet in depth with ribs oriented along transverse direction. Two specimens with ribs oriented along longitudinal direction and two specimens with ribs oriented along transverse direction of size 2 feet in width x 8 feet in length x .5 feet in depth were subjected to temperature greater than 120 degrees F with unrestrained ends. Four tests were carried out on two specimens having ribs oriented along longitudinal direction and two specimens having ribs oriented along transverse direction with the shorter ends restrained. The top surface was exposed to constant temperature until the temperature and the strain linearize at the bottom surface of the fiber composite deck to obtain the difference in temperature between the top and bottom surface of the deck. The decks were restrained using a mechanical setup made up of fiber composite sections. A single specimen of size 4 feet in width x 8 feet in length x .5 feet in depth was tested for thermal loads greater than 120 degrees F with unrestrained ends. The strain readings were recorded using strain gage technology from Vishay Micro Measurements and the displacement was measured for specimens with restrained ends using cable extension displacement sensor at half span. A prototype of fiber composite deck was modeled using PRO-E and analyzed using ANSYS FEM software.
Author: Mahesh Gajula Nagabhushanam Publisher: ISBN: Category : Bridges Languages : en Pages : 170
Book Description
In this study the fiber composite bridge decks were subjected to thermal gradients to obtain the temperature difference between the top and bottom surface of the decks and to determine the thermal properties of the deck. The fiber composite bridge decks were fabricated in sizes of 2 feet wide x 8 feet long x .5 feet deep and 4 feet wide x 8 feet long x .5 feet deep specimens by Kansas Structural Composites Inc. The project consisted of 3 specimens of size 2 feet in width x 8 feet in length x .5 feet in depth with ribs oriented along longitudinal direction, 3 specimens of size 2 feet in width x 8 feet in length x .5 feet in depth with ribs oriented along transverse direction and a specimen of size 4 feet in width x 8 feet in length x .5 feet in depth with ribs oriented along transverse direction. Two specimens with ribs oriented along longitudinal direction and two specimens with ribs oriented along transverse direction of size 2 feet in width x 8 feet in length x .5 feet in depth were subjected to temperature greater than 120 degrees F with unrestrained ends. Four tests were carried out on two specimens having ribs oriented along longitudinal direction and two specimens having ribs oriented along transverse direction with the shorter ends restrained. The top surface was exposed to constant temperature until the temperature and the strain linearize at the bottom surface of the fiber composite deck to obtain the difference in temperature between the top and bottom surface of the deck. The decks were restrained using a mechanical setup made up of fiber composite sections. A single specimen of size 4 feet in width x 8 feet in length x .5 feet in depth was tested for thermal loads greater than 120 degrees F with unrestrained ends. The strain readings were recorded using strain gage technology from Vishay Micro Measurements and the displacement was measured for specimens with restrained ends using cable extension displacement sensor at half span. A prototype of fiber composite deck was modeled using PRO-E and analyzed using ANSYS FEM software.
Author: Manoochehr Zoghi Publisher: CRC Press ISBN: 0849320135 Category : Technology & Engineering Languages : en Pages : 708
Book Description
Fiber-reinforced polymer (FRP) composites have become an integral part of the construction industry because of their versatility, enhanced durability and resistance to fatigue and corrosion, high strength-to-weight ratio, accelerated construction, and lower maintenance and life-cycle costs. Advanced FRP composite materials are also emerging for a wide range of civil infrastructure applications. These include everything from bridge decks, bridge strengthening and repairs, and seismic retrofit to marine waterfront structures and sustainable, energy-efficient housing. The International Handbook of FRP Composites in Civil Engineering brings together a wealth of information on advances in materials, techniques, practices, nondestructive testing, and structural health monitoring of FRP composites, specifically for civil infrastructure. With a focus on professional applications, the handbook supplies design guidelines and standards of practice from around the world. It also includes helpful design formulas, tables, and charts to provide immediate answers to common questions. Organized into seven parts, the handbook covers: FRP fundamentals, including history, codes and standards, manufacturing, materials, mechanics, and life-cycle costs Bridge deck applications and the critical topic of connection design for FRP structural members External reinforcement for rehabilitation, including the strengthening of reinforced concrete, masonry, wood, and metallic structures FRP composites for the reinforcement of concrete structures, including material characteristics, design procedures, and quality assurance–quality control (QA/QC) issues Hybrid FRP composite systems, with an emphasis on design, construction, QA/QC, and repair Quality control, quality assurance, and evaluation using nondestructive testing, and in-service monitoring using structural health monitoring of FRP composites, including smart composites that can actively sense and respond to the environment and internal states FRP-related books, journals, conference proceedings, organizations, and research sources Comprehensive yet concise, this is an invaluable reference for practicing engineers and construction professionals, as well as researchers and students. It offers ready-to-use information on how FRP composites can be more effectively utilized in new construction, repair and reconstruction, and architectural engineering.
Author: Mohamed Thariq Hameed Sultan Publisher: CRC Press ISBN: 1000477436 Category : Technology & Engineering Languages : en Pages : 188
Book Description
The proposed book focusses on the theme of failure of polymer composites, focusing on vital aspects of enhancing failure resistance, constituents and repair including associated complexities. It discusses characterization and experimentation of the composites under loading with respect to the specific environment and applications. Further, it includes topics as green composites, advanced materials and composite joint failure, buckling failure, and fiber-metal composite failure. It explains preparation, applications of composites for weight sensitive applications, leading to potential applications and formulations, fabrication of polymer products based on bio-resources. Provides exhaustive understanding of failure and fatigue of polymer composites Covers the failure of fiber reinforced polymer composites, composite joint failure, fiber-metal composite, and laminate failure Discusses how to enhance the resistance against failure of the polymer composites Provides input to industry related and academic orientated research problems Represents an organized perspective and analysis of materials processing, material design, and their failure under loading This book is aimed at researchers, graduate students in composites, fiber reinforcement, failure mechanism, materials science, and mechanical engineering.
Author: Vistasp M. Karbhari Publisher: Elsevier ISBN: 1845693566 Category : Technology & Engineering Languages : en Pages : 381
Book Description
Given the increasing use of fibre-reinforced polymer (FRP) composites in structural civil engineering, there is a vital need for critical information related to the overall durability and performance of these new materials under harsh and changing conditions. Durability of composites for civil and structural applications provides a thorough overview of key aspects of the durability of FRP composites for designers and practising engineers.Part one discusses general aspects of composite durability. Chapters examine mechanisms of degradation such as moisture, aqueous solutions, UV radiation, temperature, fatigue and wear. Part two then discusses ways of using FRP composites, including strengthening and rehabilitating existing structures with FRP composites, and monitoring techniques such as structural health monitoring.Durability of composites for civil and structural applications provides practising engineers, decision makers and students with a useful and fundamental guide to the use of FRP composites within civil and structural engineering. - Provides a thorough overview of key aspects of the durability of composites - Examines mechanisms of degradation such as aqueous solutions, moisture, fatigue and wear - Discusses ways of using FRP composites, including strengthening and rehabilitating existing structures
Author: Hota V.S. GangaRao Publisher: CRC Press ISBN: 1000461181 Category : Technology & Engineering Languages : en Pages : 535
Book Description
The use of fiber-reinforced polymer (FRP) composites in infrastructure systems has grown considerably in recent years because of the durability of composite materials. New constituent materials, manufacturing techniques, design approaches, and construction methods are being developed and introduced in practice by the FRP composites community to cost-effectively build FRP structural systems. FRP Composite Structures: Theory, Fundamentals, and Design brings clarity to the analysis and design of these FRP composite structural systems to advance the field implementation of structural systems with enhanced durability and reduced maintenance costs. It develops simplified mathematical models representing the behavior of beams and plates under static loads, after introducing generalized Hooke’s Law for materials with anisotropic, orthotropic, transversely isotropic, and isotropic properties. Subsequently, the simplified models coupled with design methods including FRP composite material degradation factors are introduced by solving a wide range of practical design problems. This book: Explores practical and novel infrastructure designs and implementations Uses contemporary codes recently approved Includes FRP case studies from around the world Ensures readers fully understand the basic mechanics of composite materials before involving large-scale number crunching Details several advanced topics including aging of FRPs, typical failures of structures including joints, and design simplifications without loss of accuracy and emphasis on failure modes Features end of chapter problems and solved examples throughout. This textbook is aimed at advanced undergraduate and graduate students and industry professionals focused on the analysis and design of FRP composite structural members. It features PowerPoint lecture slides and a solutions manual for adopting professors.
Author: Nasim Uddin Publisher: Elsevier ISBN: 0857098950 Category : Technology & Engineering Languages : en Pages : 565
Book Description
The use of fiber-reinforced polymer (FRP) composite materials has had a dramatic impact on civil engineering techniques over the past three decades. FRPs are an ideal material for structural applications where high strength-to-weight and stiffness-to-weight ratios are required. Developments in fiber-reinforced polymer (FRP) composites for civil engineering outlines the latest developments in fiber-reinforced polymer (FRP) composites and their applications in civil engineering.Part one outlines the general developments of fiber-reinforced polymer (FRP) use, reviewing recent advancements in the design and processing techniques of composite materials. Part two outlines particular types of fiber-reinforced polymers and covers their use in a wide range of civil engineering and structural applications, including their use in disaster-resistant buildings, strengthening steel structures and bridge superstructures.With its distinguished editor and international team of contributors, Developments in fiber-reinforced polymer (FRP) composites for civil engineering is an essential text for researchers and engineers in the field of civil engineering and industries such as bridge and building construction. - Outlines the latest developments in fiber-reinforced polymer composites and their applications in civil engineering - Reviews recent advancements in the design and processing techniques of composite materials - Covers the use of particular types of fiber-reinforced polymers in a wide range of civil engineering and structural applications
Author: Mahesh Gajula Nagabhushanam
Author: Mahesh Gajula Nagabhushanam
Author: Manoochehr Zoghi
Author: Niket M. Telang
Author: Mohamed Thariq Hameed Sultan
Author: Vistasp M. Karbhari
Author: Hota V.S. GangaRao
Author: Nasim Uddin
Author: Amir Naoum Hanna
Author: 
Author: Zhigang Zhang