Selfsensing concrete in smart structures book, 2014. Development of self sensing concrete and its various. While traditional sensors can be applied only in a limited number of points, providing a partial information for a structural diagnosis, novel transducers may allow. Selfsensing concrete nanocomposites for smart structures. Recent advances on shm of reinforced concrete and masonry.
Smart concrete produced from cnts carbon nanotubes cnts are seamless tubular structures. Recent advances in nanotechnologies have enabled a new family of sensors, termed self sensing materials, which would provide smart cities with means to also monitor structural health of civil infrastructures. Deterioration of concrete structures is another challenge that we are faced with. Sensors and smart structures technologies for civil. Therefore, selfsensing concrete can provide useful input to ensure the safety, durability, serviceability. Nano concrete seminar report, ppt, pdf for civil engineering. Concrete is the second most used building material in the world after water.
More than 20 types of smart and multifunctional concrete have been developed in the recent 30 years, and more new types of smart and multifunctional concrete are still emerging one after another. Self sensing of carbon nanofiber concrete columns subjected to reversed cyclic loading. Automated crack detection in conductive smartconcrete. In addition, selfsensing concrete can be integrated into pavement structures to detect traffic parameters including traffic flow rates, vehicular speed, traffic density, and weighing in motion. Selfsensing piezoresistive cement composite loaded with. 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. Its structure is highly heterogeneous, complex, and dynamic. Accelerate project schedules with realtime monitoring of concrete temperature and concrete strength onsite. Self sensing or smart behavior has been observed in mortar or concrete with the addition of small amounts 0. Damage monitoring in concrete structure using csf has also been. Selfsensing concrete in smart structures ebook by baoguo.
Purchase self sensing concrete in smart structures 1st edition. Self sensing concrete is a branch of smart concrete, which was the earliest proposed and has been systematically and deeply investigated. Chung, carbon fibre reinforced concrete as an intrinsically smart concrete for damage assessment during static and dynamic loading, aci materials journal, julyaugust 1996,title no. Self sensing concrete in smart structuresprovides researchers and designers with a guide to the composition, sensing mechanism, measurement, and sensing properties of self healing concrete along with their structural applications.
As a response, researchers and designers are developing selfsensing concrete which not only increases longevity but also the strength of the material. 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. Also explore the seminar topics paper on nano concrete with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year civil engineering ce or ieee civil construction btech, be, mtech students for the year 2015 2016. Smart concrete multifunctional concrete structural material sustainable infrastructures energy harvesting concrete self sensing concrete smart cement multifunctional cement. These systems also provide transportation professionals with the. As a response, researchers and designers are developing self sensing concrete which not only increases longevity but also the strength of the material. Self adaptation characteristics of smart structures are a great benefit that utilizes the embedded adaptation of smart materials like shape memory alloys. This book presents the latest research advances and findings in the field of smart multifunctional concretes, focusing on the principles, design and fabrication. Development of self sensing concrete and its various possible. The physical parameters of self sensing concrete will change as it is subjected to external force, deformation, or environmental action, thus presenting sensing capability. These self sensing cementbased materials are often termed smart concrete or smart cementpaste depending on the presence of aggregates.
It is typically difficult for engineers to detect the tension force of prestressed tendons in concrete structures. Concrete with selfsensing properties sciencedirect. It is also called as self monitoring or piezoresistive or pressuresensitive or intrinsically smart concrete. Integration and road tests of a self sensing cnt concrete pavement system for traffic detection baoguo han, kun zhang, tom burnham. 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. Request pdf on aug 26, 2014, baoguo han and others published self sensing concrete in smart structures find, read and cite all the research you need on researchgate.
Jan 03, 2016 self sensing concrete in smart structuresprovides researchers and designers with a guide to the composition, sensing mechanism, measurement, and sensing properties of self healing concrete along with their structural applications. International conference on smart infrastructure and construction 2019 icsic an industry survey on the use of graphenereinforced concrete for selfsensing applications open pdf. Selfsensing concrete in smart structures ebook, 2015. The present experiments established a piezoresistive response from the cement composites and shed light on how the cb inclusion influences their mechanical and. Read smart and multifunctional concrete toward sustainable infrastructures by baoguo han available from rakuten kobo. In this study, we present a type of environmentfriendly, self sensing concrete enabled by electrical resistance.
Smart nanoconcretes and cementbased materials 1st edition. 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. Temperature and strength readings are immediately sent to an intuitive. Read selfsensing concrete in smart structures by baoguo han,xun yu,jinping ou for free with a 30 day free trial. 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. Provides a systematic discussion of the structure of intrinsic selfsensing concrete. Combining wireless concrete sensors and mobile apps, giatec has developed smart iotbased technologies, like smartrock concrete maturity sensors, for realtime monitoring of concrete properties. Structural health monitoring is aimed at transforming civil structures into self diagnosing systems able to automatically reveal the occurrence of a fault or a. The selfsensing concrete components embedded with these sensors can realize the monitoring of their local compressive strain. Published 18 march 2008 iop publishing ltd smart materials and structures, volume 17, number 3. Selfsensing concrete in smart structures request pdf. This book presents the latest research advances and findings in the field of smartmultifunctional concretes, focusing on the principles, design and fabrication.
Figure 6 atomic structure of singlewalled and multiwalled cnt. Ubertini self sensing concrete nano composites for smart structures, 2016. Smart concrete is a very broad category of material that includes self sensing concrete, self adjusting concrete, self healing concrete, etc. This provides critical information to contractors so they can make efficient and informed decisions on the jobsite, ultimately saving time and money. Concerning the time and spatial spread of damage phenomena on concrete, the selfhealing concept should be accompanied by a selfsensing mechanism that detects cracks at any moment in order to control the healing activation procedure. Jinping ou, in self sensing concrete in smart structures, 2014. Self sensing concrete in smart structures by baoguo han, 9780128005170, available at book depository with free delivery worldwide. Damage detection in concrete structures using smart piezoelectric sensors as concrete s aggregates. This smart material can help us develop intelligent infrastructure integrated with sensing and health monitoring abilities, thus improving serviceability, safety, reliability and durability of the infrastructures. Materials free fulltext selfcompacted concrete with. Smart sensing technologies for structural health monitoring. With the purpose of developing a piezoresistive self sensing concrete for civil engineering infrastructures, the addition of cb particles in cementbased materials was investigated. Jun, 2017 smart and multifunctional concrete is a very broad category of materials. Self damage orand stress sensing concrete is a promising area of research for measuring the electromechanical response of structural materials using more robust sensors.
Continuous and embedded solutions for shm of concrete. The healing cycles should be repeatable in order to protect concrete throughout the structures service life. Smart structures theory inderjit chopra, jayant sirohi. For structural health monitoring purposes, a smart aggregatebased active sensing. Compositions of intrinsic selfsensing concrete and. Purchase selfsensing concrete in smart structures 1st edition. Intrinsic selfsensing concrete issc refers to a structural material that can monitor itself without the need of embedded, attached or remote sensors. Intrinsic selfsensing concrete issc is an ideal engineering material for addressing this issue. Selfsensing concrete in smart structures civil engineering. The sensing properties of selfsensing concrete are closely related to its structure, especially the. Jinping ou concrete is the second most used building material in the world after water. The self sensing concrete components embedded with these sensors can realize the monitoring of their local compressive strain.
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. Selfcompacting concrete applications and advantages. An earlyage concrete strength development monitoring and miniaturized wireless impedance sensing system. Clear and concise, selfsensing concrete in structural design provide a systematic discussion on the structures of intrinsic selfsensing concrete. Provides a systematic discussion of the structure of intrinsic self sensing concrete. Self sensing concrete, which has a highly complex structure, is a multiphase and multiscale composite. Selfcompacting concrete is a nonsegregating concrete that is placed by means of its own weight. 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. However, the copper and silver paste sensors widely used in such applications can be expensive and have detrimental effects on the load carrying capacity and durability of the. By changing their properties, smart materials can detect faults and cracks and therefore are useful as a diagnostic tool. The problem is that over time the material becomes weaker. Selfsensing concrete, which has a highly complex structure, is a multiphase and multiscale composite. During the design of a structure it should be designed in. This includes smart concrete, which has the potential to provide any concrete structure with self sensing capabilities.
Properties, modelling and applications explores the fundamental concepts and applications of smart nanoconcretes with self healing, self cleaning, photocatalytic, antibacterial, piezoelectrical, heating and conducting properties and how they are used in modern highrise buildings, hydraulic. Damage detection in concrete structures using smart. Proceedings of the international conference on smart infrastructure and construction, 2729 june 2016. His main research interests include smart materials and structures, sensors, structural health monitoring, traffic detection, nanotechnology and cement and concrete materials. Intrinsically self sensing concrete and structures. Smart concrete technology provides a new alternative way for health monitoring of reinforced concrete structures. In this study, a smart bar is fabricated by embedding a fiber bragg grating fbg in conjunction with its communication fiber into a composite bar surrounded by carbon fibers. The sensing performance, the measuring methods and. 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 this study, we investigate self sensing carbon nanotube cntcement.
Electrical and selfsensing properties of alkaliactivated. Smart structures have attracted significant research attention in the last decade, mainly due to the capabilities of advanced concrete in electrical resistanceenabled self sensing. Graphite has also been used to enhance the electrical conductivity and internal damage monitoring of concrete structures either as the only conductive admixture or. Applications of smart materials in structural engineering. Structural health monitoring, intrinsic self sensing concrete,carbon nanotubes, nanotechnology, two. Explore nano concrete with free download of seminar report and ppt in pdf and doc format. Installs directly onto the rebar with no cumbersome wires or expensive data loggers. To find an easy method to health monitor structures. 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. At the macroscopic level, selfsensing concrete may be considered a twophase material consisting of functional fillers dispersed in a concrete matrix. Future research will be needed to address the challenge of developing new self sensing concrete, rather than a sensor, such that the whole structure becomes self monitoring. The leading wireless concrete sensor for measuring temperature and strength. International conference on smart infrastructure and. Smart sensing technologies for structural health monitoring of civil engineering structures.
The diameters of cnts are in the range of 120 nm the lengths are in the range of 0. Impact on the concrete structure is detected by observing the opencircuit voltage of the piezoceramic patch in the smart aggregate. The concrete strength development is monitored by observing the high frequency harmonic wave response of the smart aggregate. In addition, self sensing concrete can be integrated into pavement structures to detect traffic parameters including traffic flow rates, vehicular speed, traffic density, and weighing in motion. Selfsensing concrete in smart structures sciencedirect. At the macroscopic level, self sensing concrete may be considered a twophase material consisting of functional fillers dispersed in a concrete matrix. Self sensing and strengthening effects of reinforced concrete structures with nearsurfaced mounted smart basalt fibrereinforced polymer bars yongsheng tang1, zhiqiang wang2 and min song2 abstract a new retrofitting system is proposed for reinforced concrete structures with application of nearsurfaced mounted.
Smart and multifunctional concrete toward sustainable. The performance of the proposed selfdiagnosis materials to detect damage to concrete structures is evaluated through confirmation of the relationship between the extent of damage and the. Development of selfsensing concrete sleepers for next. Enter your mobile number or email address below and well send you a link to download the free kindle app. Civil, construction and environmental engineering conference. Environmentfriendly, selfsensing concrete blended with. Selfsensing concrete has the capability to sense the conditions inside it and environmental change including stress or force, strain or deformation, crack, damage, temperature, and humidity through incorporating functional fillers or sensing component.
Selfsensing concrete has the capability to sense the conditions inside it and environmental change including stress or force, strain or deformation, crack, damage, temperature, and humidity. Selfsensing concrete in smart structures 1st edition elsevier. Subsequently, a smart composite cable is twisted by using six outer steel wires and the smart bar. 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. General introduction of smart and multifunctional concrete. Smart materials and structures is a multidisciplinary journal dedicated to technical advances in and applications of smart materials, systems and structures. Selfsensing concrete in smart structures ebook by baoguo han. The importance of selfcompacting concrete is that maintains all concretes durability and characteristics. Summary of self repair technology in concrete natural. Chung, carbon fibre reinforced concrete as an intrinsically smart concrete for damage assessment during static and dynamic loading, aci materials. The paper self compacted concrete with self sensing functionality for thermal energy infrastructures proposed for publication by alonso m. The self sensing concrete has great potential in the fields of structural health monitoring, traffic detection, and bordermilitary security.
Selfsensing concrete also called selfmonitoring concrete, intrinsically smart concrete, and piezoresistive or pressuresensitive concrete is fabricated by adding functional fillers carbon fibers, steel fibers, carbon nanotubes, nickel powder, etc. Self sensing or monitoring concrete refers to a structural material that can monitor its own condition and identify if there is any damage without any external intervention in the form of embedded, attached or remote sensors han, ding and yu, 2015. Page 4 of 271 the constructor civil engineering home. Development of selfsensing concrete sleepers for nextgeneration rail infrastructure open pdf transforming the future of infrastructure through smarter information. Smartrock concrete temperature and strength sensor giatec. Selfsensing concrete in smart structures ebook, 2014. It is seen that there is an increase in electrical resistance on loading upto crack propagation or fracture. 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. A decade of research on selfhealing concrete intechopen.
This book presents the latest research advances and findings in the field of smart. It dramatically decreased the electrical resistivity of this type of material and endowed it with self sensing ability 17,18. The selfsensing ability of cementitious materials with conductive particles for. Chapter 1 structures of intrinsic self sensing concrete chapter 2 compositions of intrinsic self sensing concrete chapter 3 processing of intrinsic self sensing concrete chapter 4 measurement of sensing signal of intrinsic self sensing concrete chapter 5 sensing property of. By measuring electrical resistance of the issc, the stress, strain, crack and damage can be in situ monitored. Published 29 july 2011 iop publishing ltd smart materials and structures, volume 20, number 8. The composition and significance of self sensing concrete are. To achieve this goal, new smart structural materials need to be developed, and the lack of scalability of self sensing composites needs to be overcome, which requires the. Read selfsensing concrete in smart structures online by baoguo. Smart sensing technologies including the applications of fibre optic sensors, piezoelectric sensors, magnetostrictive sensors and self diagnosing fibre reinforced composites, possess very important capabilities of monitoring various physical or chemical parameters related to the health and therefore, durable service life of structures. Self sensing concrete using carbon fibre for health. Request pdf on aug 26, 2014, baoguo han and others published selfsensing concrete in smart structures find, read and cite all the research you need on researchgate. Jun 17, 2019 selfconsolidating concrete is a highly flowable type of concrete that spreads into the form without the need for mechanical vibration.
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. Cementbased self sensing composites with intrinsic strain and damage sensing capabilities provide a more practical and sustainable alternative to monitor the health of concrete structures. Self sensing concrete is a smart concrete technology that can sense the stress, strain, and damage in itself. Experimental study on mechanical and sensing properties of. Jun 23, 2015 concrete is the second most used building material in the world after water. Self sensing materials are considered to be capable of sensing. Selfsensing concrete in smart structures 1st edition. Traffic monitoring with a selfsensing concrete nanotechnology road surface nanowerk spotlight many communities in the u. Environmentfriendly, self sensing concrete was casted with the additions of byproduct wastes i. The presented results contribute to demonstrating the revolutionary impact that smart concretes and smart bricks may have in the near future on shm of concrete and masonry structures. This book presents the latest research advances and findings in the field of smartmultifunctional concretes, focusing o. Traffic monitoring with a self sensing concrete nanotechnology road surface nanowerk spotlight many communities in the u. Smart concrete, sensors and selfsensing concrete structures.