Selfsensing concrete in smart structures by baoguo han, xun yu. Among the many applications are aircraft sensors that warn of impending cracks and medical devices that monitor blood sugar and deliver insulin. Smart structures and materials artech house optoelectronics. The sensing properties of selfsensing concrete are closely related to its structure, especially the distribution of functional fillers in a concrete matrix, the interfaces between functional fillers and the cement matrix, and void and liquid phases in a concrete matrix. This book introduces the enabling concepts that make up the socalled smart structure and presents a number of brief case studies to illustrate the applications of these concepts. Intrinsic selfsensing concrete issc refers to a structural material that can monitor itself without the need of embedded, attached or remote sensors. Smart structures can also store processes in memory and learn to repeat the actions taken.
Selfsensing of nanocarbon black concrete sciencedirect. Selfsensing concrete in smart structures provides researchers and designers with a guide to the composition, sensing mechanism, measurement, and sensing properties of selfhealing concrete along with their structural applications provides a systematic discussion of the structure of intrinsic selfsensing concrete. Selfsensing concrete in smart structures sciencedirect. Selfsensing concrete in smart structures request pdf. Applications of fiber optic sensors in engineering mechanics. Smart concrete is capable of sensing very small structural flaws and hence finds application in checking the internal condition of structures, particularly after an earthquake. In north america, active research in the design of new highway bridges is focused on a number of specialty areas, including the replacement of steel reinforcing bars in concrete deck slabs by randomly distributed lowmodulus fibers, and the replacement of steel prestressing cables for concrete components by tendons comprising superstrong fibers. As a response, researchers and designers are developing selfsensing concrete which not only increases longevity but also the strength of the material. Design of steel concrete structures as comparative with reinforced concrete. The concrete strength development is monitored by observing the high frequency harmonic wave response of the smart aggregate. In fact, the area of smart structures and structronics started with the distributed piezoelectric sensing and control research in the early 1980s. As a response, researchers and designers are developing self sensing concrete which not only increases longevity but also the strength of the material. Structural health monitoring shm aims to develop automated systems for the continuous monitoring, inspection, and damage detection of structures with minimum labour involvement.
Selfsensing concrete in smart structures civil engineering. His main research interests include smart materials and structures, sensors, structural health monitoring, traffic detection, nanotechnology and cement and concrete materials. Youtube, youtube channel, video marketing, youtuber, igtv, erika vieira, video, instagram hatecast clint taylor. Learn stage is a processing that nn selfperfected, the network modify the. Bondslip monitoring of concrete structures using smart. Disaster mitigation based on smart structuresmaterials. Concrete structures with various reinforcements, such as steel bars, composite material tendons, and recently steel plates, are commonly used in civil infrastructures. Smart concrete produced from cnts carbon nanotubes cnts are seamless tubular structures. Traffic monitoring with a self sensing concrete nanotechnology road surface nanowerk spotlight many communities in the u. Structural health monitoring of a military aircraft using an analog and fiber optic sensor based data acquisition system for structural life management jaeseok ha, chanyik park and sangyong kim structural health monitoring of turbomachinery using toa signal and expert software miroslaw witos, mariusz zieja and krzysztof dragan. Sensing issues in civil structural health monitoring. Published 18 march 2008 iop publishing ltd smart materials and structures, volume 17, number 3.
Smart structures and applications in civil engineering. The book s two part treatment begins with the compositions of intrinsic selfsensing concrete, processing of intrinsic selfsensing concrete, fundamental sensing mechanism, measurement, and sensing properties of intrinsic selfsensing concrete. Research progress of smart concrete structures reinforced by. The self sensing concrete has great potential in the fields of structural health monitoring, traffic detection, and bordermilitary security. Self sensing concrete in smart structures provides researchers and designers with a guide to the composition, sensing mechanism, measurement, and sensing properties of self healing concrete along with their structural applications. The talented personnel at armstrong are devoted to making meaningful and significant contributions to the important mission that nasa provides for the nation. Part one of the book tackles theoretical concepts of corrosion of steel in concrete structures. The design, construction, testing and monitoring of the site structures, are described briefly in this section. When an external force overcomes the strength of the bond between the reinforcement and the concrete, bondslip will occur, resulting in a relative displacement between the reinforcing materials and the concrete. Flight research centers research, technology, and engineering.
Optimization of factors that influence the settlement of the concrete. Concrete is the second most used building material in the world after water. The problem is that over time the material becomes weaker. The researchers, engineers, and scientists at armstrong continue a long, rich legacy of. It therefore can be concluded that the prepared smart concrete and the developed embedded sensors have great potential to be used for health monitoring and damage assessment of concrete structures. Nanocarbon black concrete cbcc that has self sensing ability is attractive for guaranteeing the safety of infrastructure. Maturix smart concrete sensors concrete construction. Maturix smart concrete sensors wirelessly transmit real time data on concrete temperature and strength development to your device, allowing remote access to information critical to the success of your construction project. Individual application data structures can then be derived from the basic. Proceedings of the european telemetry conference etc2004 see. Smart concrete, sensors and selfsensing concrete structures. The smart structure is the recent fast growing idea that makes the structure to react ideally towards various unacceptable situations like formation of cracks, overloading etc. In this paper, the piezoresistivity of two kinds of smart concrete filled with carbon black or carbon fiber was studied, and two types of embedded sensors were fabricated using the smart concrete with favorable piezoresistivity.
Smart materials, precision sensorsactuators, smart. Simulation of multifield and multiscale problems in structural. Definition of smart structures sensor technology limited. Selfsensing concrete in smart structures ebook, 2015. The second part of the book covers methods for creating selfsensing concrete with different materials such as. Selfsensing cementitious composites incorporated with botryoid. New methodology for designing selfcompacting concrete. Neelamegam 2 department of civil engineering 1, 2, easwari engineering college, 1, 2 email.
Selfsensing cementitious materials by alexander nicholas houk. As a smart material, the study of shape memory alloy in civil engineering mainly in the self monitoring and self repairing of concrete beams, earthquake resistance and reinforcement of concrete columns, seismic damping of concrete structures, etc. This research is just the first step in the investigation of the application of smart materials in structural engineering. Smart materials and structures is a multidisciplinary journal dedicated to technical advances in and applications of smart materials, systems and structures. The second part moves on to analyse the variety of reinforcing materials and concrete, including stainless steel and galvanized steel. Clear and concise, selfsensing concrete in structural design provide a systematic discussion on the structures of intrinsic selfsensing concrete. Smart and multifunctional concrete toward sustainable. Development of self sensing concrete and its various. Self sensing cfgfrp rods as mechanical reinforcement and sensors of concrete beams can be considered too invasive since, to be effective, they require the insertion of sensors near important structural positions and, moreover, the assistance of highly skilled personnel to be involved in their manipulation. Environmentfriendly, selfsensing concrete blended with. Smart concretes and structures are intelligent systems that have properties different from normal concrete, such as self sensing and self healing properties, or have the ability to react upon an. The smart aggregates are then placed at the desired locations in concrete structures before casting to form a distributed intelligent multipurpose sensor network. Structural health monitoring is a new and improved way to make a nondestructive evaluation.
When deployed in a dense sensor network configuration, these large area sensors are capable of covering large surfaces at low cost and can monitor both strain and crackinduced damages. Jun, 2017 the physical parameters of self sensing concrete will change as it is subjected to external force, deformation, or environmental action, thus presenting sensing capability. Selfsensing concrete in smart structures by baoguo han, xun. Usually this involves implementing hardware andor software control mechanisms.
Smart structures have attracted significant research attention in the last decade, mainly due to the capabilities of advanced concrete in electrical resistanceenabled self sensing. Development of self sensing concrete and its various possible. Sophisticated sensors keep bridges, dams and buildings safe. Selfsensing concrete in smart structures provides researchers and designers with a guide to the composition, sensing mechanism, measurement, and sensing properties of selfhealing concrete along with their structural applications provides a systematic discussion of the structure of intrinsic selfsensing concrete compositions of intrinsic selfsensing concrete and processing of intrinsic self. Full text of playboy usa july 1968 internet archive. One factor that may contribute to the global smart concrete market is the widespread use of concrete as a composite material and its inability to withstand tension. Smart structures smart structure a smart structures integrates the properties of embedded sensors, actuators and control mechanisms in order to respond to a given stimulus in a functionally useful manner. Selfsensing concrete in smart structures book depository. Research, technology, and engineering accomplishments 204. Self sensing concrete in smart structures han, baoguo, yu, xun, ou, jinping on. The selfsensing concrete components embedded with these sensors can realize the monitoring of their local compressive strain.
Innovative systems for seismic response organizes current research and technology to provide researchers and practicing engineers, as well as advanced students, with the means to learn about and apply the very latest smart structure innovations. Bluerock concrete sensor for relative humidity and temperature monitoring. He is a member of the editorial board of three international journals and has published 1 book, 10 book chapters and more than 100 technical papers. In defining smart concrete as concrete that is capable of responding automatically to the actions imposed upon it, research has sought to develop concrete that is stronger, more sustainable and resilient. For structural health monitoring purposes, a smart aggregatebased active sensing. Asme 20 conference on smart materials, adaptive structures and intelligent systems, smasis 20.
Nevertheless, the research related to self sensing concrete is mainly restricted to compressive strain and stress, which may be attributed to the. The sensing performance, the measuring methods and. For instance, structuralist criticism relates literary texts to universal structures such. In this paper, a twostory concrete frame is used as the object to test the multifunctionality of smart aggregates and the dimsn. Smart sensing technologies for structural health monitoring. Selfsensing concrete enabled by nanoengineered cement. Self sensing and self healing of structural damage in fiber reinforced composites. In the proposed active sensing system, one smart aggregate is used as an actuator to generate a sweep sine signal while the other smart aggregates are used as sensors to detect the sweep sine response. It will also be of interest to academics and undergraduategraduate students studying civil and structural engineering. The development of cementbased smart sensors appears particularly well suited for monitoring applications due to their numerous possible field applications, their ease of use and longterm stability.
Selfsensing concrete in smart structures provides researchers and designers with a guide to the composition, sensing mechanism, measurement, and sensing properties of selfhealing concrete along with their structural applications. We are bringing longoverdue change to a conservative industry by addressing the current challenges in concrete testing, analysis, design, and production. It involves the integration of sensors, possibly smart materials, data transmission, computational power, and processing ability inside the structures. Corrosion of steel in concrete structures 1st edition. The self sensing ability of nanoconcrete is based on the piezoresistivity, which is obtained by adding an appropriate concentration of nanocarbon black into concrete. Continuous and embedded solutions for shm of concrete. Young, synthetic structure of industrial plastics book style with paper. Fibre optic methods for structural health monitoring. Jan 03, 2016 concrete is the second most used building material in the world after water.
The use of fibre optic sensors in structural health monitoring has rapidly accelerated in recent years. Smart structures and materials artech house optoelectronics library. Bringing together technologies system concepts, case studies and applications, this volume examines the domains of the individual technologies and defines the challenges faced by the integrator. For concrete structural health monitoring, a smart aggregatebased active sensing system is developed. Structural health monitoring 2017 destech publishing inc. The smart aggregate is embedded in a concrete beam as an actuator or transmitter, and piezoceramic patches are attached on the surface of the concrete beam as sensors. Smart concretes and structures are intelligent systems that have properties different from normal concrete, such as self sensing and selfhealing properties, or have the ability to react upon an. Purchase selfsensing concrete in smart structures 1st edition. The first step to set up a shm system is to incorporate a level of structural sensing capability that is reliable and possesses long term stability.
Giatec is a global company revolutionizing the concrete industry by bringing smart testing technologies and iot solutions to the forefront of every jobsite. Navid gohardani, folke bjork, 2012,sustainable refurbishment in building technology, smart and sustainable built environment, vol. The taming of the shrew opus universitat stuttgart. Design of concrete structures 12th edition 9780070465862.
The issc is a smart choice for maintaining sustainable development in concrete materials and structures. The application of civil engineering in the construction of smart infrastructure is the foundation for all the other key elements in a smart city like smart property, smart economy, smart living, smart governance and smart environment. With a concrete bridge, for example, we need to know the temperature inside the concrete as well as the outside in order to estimate any developing thermal stresses because if a structure needs. Sensors and smart structures technologies for civil. Smart concrete ice themes brings together fascinating insights into this new and evolving field of concrete. Selfsensing concrete in smart structures by baoguo han, 9780128005170, available at book depository with free delivery worldwide. Top american libraries canadian libraries universal library community texts project gutenberg biodiversity heritage library childrens library. Applications of smart materials in structural engineering. Buy design of concrete structures 12th edition 9780070465862 by arthur h.
The diameters of cnts are in the range of 120 nm the lengths are in the range of 0. Smart aggregatepiezoceramic patch combination for health. Selfsensing concrete in smart structures book, 2014. Chapter 1 structures of intrinsic selfsensing concrete chapter 2 compositions of intrinsic selfsensing concrete chapter 3 processing of intrinsic selfsensing concrete chapter 4 measurement of sensing signal of intrinsic selfsensing concrete chapter 5 sensing property of intrinsic selfsensing concrete chapter 6 generation mechanism of sensing property of intrinsic selfsensing concrete chapter 7. This paper examines the issue of instrumentation for civil structures and in particular discusses the role of sensing systems in the evolution of the smart building concept. She has been interviewed by the news media concerning various scientific topics including conductive concrete for melting snow, smart concrete, and batteries. Trends and opportunities one factor slated to contribute to the global smart concrete market is the widespread use of concrete as a composite material for various types of structures and its inability to withstand tension, resulting in cracks easily. Smart sensing technologies including the applications of fibre. Founded in 1904 and headquartered in farmington hills, michigan, usa, the american concrete institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensusbased standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design.
Selfsensing concrete in smart structures 1st edition elsevier. Selfsensing concrete in smart structures ebook by baoguo han. The second sensing technology consists of a sensing skin developed from a flexible capacitor that is mounted externally onto the structure. In fact, the area of smart structures and structronics started with the distributed piezoelectric sensing and control research in. The history of concrete giatec scientific inc smart. By measuring electrical resistance of the issc, the stress, strain, crack and damage can be in situ monitored. Selfsensing concrete in smart structures in searchworks. Smart concrete market global industry analysis, size. Selfsensing concrete in smart structures ebook by baoguo.
Part three covers measurements and evaluations, such as electrochemical techniques and acoustic emission. Smart concrete technology provides a new alternative way for health monitoring of reinforced concrete structures. The physical parameters of self sensing concrete will change as it is subjected to external force, deformation, or environmental action, thus presenting sensing capability. Selfsensing concrete in smart structures 1st edition. Fibre optic methods for structural health monitoring is an invaluable reference for practising engineers in the fields of civil, structural and geotechnical engineering. Provides a systematic discussion of the structure of intrinsic self sensing concrete. Definitions need for smart structures applications. It will bring a large revolution to the field of conventional concrete materials, which should have a beneficial impact on economics, social and environment. Networking of optical fiber sensors for extreme environments.
Interest in the concept of self sensing structural materials has grown in recent years due to its potential to enable continuous lowcost monitoring of nextgeneration smart structures. On the other hand, scc can be seen as a new approach to casting concrete enabled by adjusted fresh concrete properties. The self healing concrete site trial was built by costain in october 2015 within the site. In this study, we present a type of environmentfriendly, self sensing concrete enabled by electrical resistance. The sensing properties of selfsensing concrete are closely related to its structure, especially the distribution of functional fillers in a concrete matrix, the interfaces between functional. Shannon westinghouse science and technology center 10 beulah road pittsburgh, pa strategic highway research program national research council washington, dc 1992. Smart structures and materials artech house optoelectronics library culshaw, brian on. Impact on the concrete structure is detected by observing the opencircuit voltage of the piezoceramic patch in the smart aggregate. Maturix smart concrete sensors plug into a sacrificial thermocouple cable that is embedded in concrete during casting. Some bigger beams are prepared for experiments in the near future.
Chung is among 100 scientists featured in the book successful women ceramic and glass scientists and engineers. Two tests using the smart aggregate and the piezoceramic patches are. A new method combining an embedded smart aggregate and surface mounted piezoceramic patches is introduced for health monitoring of concrete structures. Crack detection in rc structural components using a.
Provides a systematic discussion of the structure of intrinsic selfsensing concrete. The study of self sensing cementitious materials is a constantly expanding topic of study in the materials and civil engineering fields and refers to the creation and utilization of cementbased materials including cement paste, cement mortar, and concrete that are capable of sensing i. Selfsensing and selfhealing of structural damage in fiber. Smart structures and applications in civil engineering abstract. Assessment of crack patterns along plain concrete tunnel.
Fibre optic methods for structural health monitoring wiley. Read selfsensing concrete in smart structures by baoguo han, xun yu, jinping ou for free with a 30 day free trial. Read unlimited books and audiobooks on the web, ipad, iphone and android. Sensors and smart structures technologies for civil, mechanical. Development of self sensing concrete and its various possible applications r. This text provides the basic information needed to analyze and design smart devices and structures.