Presents the first ever guide for vehicle scanning of the dynamic properties of bridges Written by the leading author on the subject of vehicle scanning method (VSM) for bridges, this book allows engineers to monitor every bridge of concern on a regular and routine basis, for the purpose of maintenance and damage detection. It includes a review of the existing literature on the topic and presents the basic concept of extracting bridge frequencies from a moving test vehicle fitted with vibration sensors. How road surface roughness affects the vehicle scanning method is considered and a finite element simulation is conducted to demonstrate how surface roughness affects the vehicle response. Case studies and experimental results are also included. Vehicle Scanning Method for Bridges covers an enhanced technique for extracting higher bridge frequencies. It examines the effect of road roughness on extraction of bridge frequencies, and looks at a dual vehicle technique for suppressing the effect of road roughness. A filtering technique for eliminating the effect of road roughness is also presented. In addition, the book covers the identification of bridge mode shapes, contact-point response for modal identification of bridges, and damage detection of bridges—all through the use of a moving test vehicle. The first book on vehicle scanning of the dynamic properties of bridges Written by the leading author on the subject Includes a state-of-the-art review of the existing works on the vehicle scanning method (VSM) Presents the basic concepts for extracting bridge frequencies from a moving test vehicle fitted with vibration sensors Includes case studies and experimental results The first book to fully cover scanning the dynamic properties of bridges with a vehicle, Vehicle Scanning Method for Bridges is an excellent resource for researchers and engineers working in civil engineering, including bridge engineering and structural health monitoring.
Introduction to Heterostructured Materials provides updates on the historical perspective of the development of these materials, which is followed by a review of the basic background on mechanical behaviors and properties of metals and alloys. Next, both the definition and the fundamental principles and deformation behavior of heterostructured materials are covered, as well as their processing and properties and various design principles. The book supports graduate students and researchers entering this field, senior scientists who are already working in this field, engineers in the manufacturing industry, and professors who are teaching advanced materials and technologies. Heterostructured materials not only possess superior mechanical and/or physical properties that are not accessible to their conventional homogeneous counterparts, but they are also conducive to large-scale industrial production at low cost. Written in a systematic and easy to read style Discusses the mechanical behaviors of coarse-grained metals and nanostructured metals Focuses on the uniqueness of microstructures, behaviors and their fundamental scientific issues Includes the design and potential applications for various heterostructured materials
Presents the first ever guide for vehicle scanning of the dynamic properties of bridges Written by the leading author on the subject of vehicle scanning method (VSM) for bridges, this book allows engineers to monitor every bridge of concern on a regular and routine basis, for the purpose of maintenance and damage detection. It includes a review of the existing literature on the topic and presents the basic concept of extracting bridge frequencies from a moving test vehicle fitted with vibration sensors. How road surface roughness affects the vehicle scanning method is considered and a finite element simulation is conducted to demonstrate how surface roughness affects the vehicle response. Case studies and experimental results are also included. Vehicle Scanning Method for Bridges covers an enhanced technique for extracting higher bridge frequencies. It examines the effect of road roughness on extraction of bridge frequencies, and looks at a dual vehicle technique for suppressing the effect of road roughness. A filtering technique for eliminating the effect of road roughness is also presented. In addition, the book covers the identification of bridge mode shapes, contact-point response for modal identification of bridges, and damage detection of bridges—all through the use of a moving test vehicle. The first book on vehicle scanning of the dynamic properties of bridges Written by the leading author on the subject Includes a state-of-the-art review of the existing works on the vehicle scanning method (VSM) Presents the basic concepts for extracting bridge frequencies from a moving test vehicle fitted with vibration sensors Includes case studies and experimental results The first book to fully cover scanning the dynamic properties of bridges with a vehicle, Vehicle Scanning Method for Bridges is an excellent resource for researchers and engineers working in civil engineering, including bridge engineering and structural health monitoring.
Introduction to Heterostructured Materials provides updates on the historical perspective of the development of these materials, which is followed by a review of the basic background on mechanical behaviors and properties of metals and alloys. Next, both the definition and the fundamental principles and deformation behavior of heterostructured materials are covered, as well as their processing and properties and various design principles. The book supports graduate students and researchers entering this field, senior scientists who are already working in this field, engineers in the manufacturing industry, and professors who are teaching advanced materials and technologies. Heterostructured materials not only possess superior mechanical and/or physical properties that are not accessible to their conventional homogeneous counterparts, but they are also conducive to large-scale industrial production at low cost. Written in a systematic and easy to read style Discusses the mechanical behaviors of coarse-grained metals and nanostructured metals Focuses on the uniqueness of microstructures, behaviors and their fundamental scientific issues Includes the design and potential applications for various heterostructured materials
Carbon nanotubes (CNTs) possess the unique combination of extreme mechanical and physical properties at the level of the individual tube. They are often considered one of the best candidates for the reinforcement of the next generation of multifunctional composite materials. It is essential to assemble the CNTs into macroscopic assemblies resembling traditional fiber-reinforced composites to begin to realize their potential and make them a serious candidate for commercial composite structures. This chapter presents a general introduction to aligned and high-volume fraction CNT composites and then explores two recent promising approaches for fabricating strong, stiff and multifunctional aligned CNT/polymer composite prepregs at satisfactory processing rates. One approach involves incorporating drawable superaligned CNT sheets into high-volume fraction composites through spraying or spray-stretching and winding. The other approach is based on directly shear pressing vertically aligned CNT arrays into horizontally aligned sheets with subsequent polymer infiltration. Both approaches produced CNT composite prepregs with desirable structural features and excellent properties. Aligned CNT/bismaleimide composites produced by stretch winding exhibited a combined tensile strength and elastic modulus exceeding carbon fiber composites. The exceptional mechanical performance coupled with unique electrical and thermal properties makes these materials promising for a wide range of applications, such as multifunctional composite structures, lightweight and flexible conductors, thermal interface materials, and sensors.
Thank you for visiting our website. Would you like to provide feedback on how we could improve your experience?
This site does not use any third party cookies with one exception — it uses cookies from Google to deliver its services and to analyze traffic.Learn More.