Automated crack detection in conductive smartconcrete. Provides a systematic discussion of the structure of intrinsic selfsensing concrete. This paper is aimed at presenting the results of a research about a new selfsensing nanocomposite and about the implementation of smart sensors for structural. Recent advances in nanotechnology have led to development of new family of sensors self sensing materials. 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. Smart structures have attracted significant research attention in the last decade, mainly due to the capabilities of advanced concrete in electrical resistanceenabled selfsensing.
Selfsensing concrete in smart structures 1st edition elsevier. 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. Article information, pdf download for sensory carbon fiber based. Selfsensing concrete in smart structures minksti virseliai 201410 baoguo han, xun yu, ou jinping. Application of nanomaterials in production of selfsensing. Smart concrete technology figure 1 is based on the incorporation of suitable electrically conductive micro or nanoinclusions into structural concrete to provide the material with smart strainsensing and damagesensing properties. Eshghi3 1professor of structural eng, sharif university of technology, tehran, iran 2ms student in earthquake eng, sharif university of technology, tehran, iran 3ms in earthquake eng, sharif university of technology, tehran, iran abstract shape memory alloys smas are increasingly becoming a topic of research. Selfsensing concrete is a smart concrete technology that can sense the stress, strain, and damage in itself. Producers simply need to calibrate each mix for strength based on the maturity method astm c1074 and upload the data to the smartrock plus cloud. So if the concrete structures is enabled with a self. Read selfsensing concrete in smart structures by baoguo han, xun yu, jinping ou for free with a 30 day free trial.
These materials enable to create the socalled smart concrete. Selfsensing composites are becoming highly attractive for civil engineering applications to improve the safety and performance of structures. Selfsensing concrete in smart structures by baoguo han is. Selfsensing concrete is a branch of smart concrete, which was the earliest proposed and has been systematically and deeply investigated. International conference on smart infrastructure and. Jinping ou, in selfsensing concrete in smart structures, 2014. Smart concrete designing buildings wiki share your construction industry knowledge. Recent advances in nanotechnology have led to development of new family of sensors selfsensing materials. Selfsensing concrete nanocomposites for smart structures. Purchase selfsensing concrete in smart structures 1st edition. Development of self sensing concrete and its various. Self sensing concrete is a branch of smart concrete, which was the earliest proposed and has been systematically and deeply investigated.
Selfsensing concrete in smart structures ebook, 2015. The use of smart cementitious materials is becoming increasingly critical for the enhanced serviceability of structures. Selfsensing concrete in smart structures by baoguo han. 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 selfhealing concrete along with their structural applications. Smart concrete produced from cnts carbon nanotubes cnts are seamless tubular structures. This paper is aimed at presenting the results of a research about a new self sensing nanocomposite and about the implementation of smart sensors for structural. Application of such composites enable to improve the safety and performance of structures. Structural health monitoring, intrinsic self sensing concrete,carbon nanotubes.
International journal of engineering research and general. The sensing performance, the measuring methods and. Jinping ou, in self sensing concrete in smart structures, 2014. With the verified performance of both structural strengthening and selfsensing, the new proposed retrofitting system based on the smart bfrp bar presents a broad perspective of practical applications in the concrete structures.
Damage detection, localization and quantification in. This paper is aimed at presenting the results of a research about a new selfsensing nanocomposite and about the implementation of smart sensors for structural health monitoring. Selfsensing concrete in smart structures baoguo han. These smart materials include smart concrete, which imparts any concrete structure the abilities of selfsensing. These sensors are fabricated by doping cementmatrix mterials with conductive. Sensory carbon fiber based textilereinforced concrete for smart. 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. It is also called as selfmonitoring or piezoresistive or pressuresensitive or intrinsically smart concrete. These materials enable to create the socalled smart concrete exhibiting self sensing ability. An experimental study on static and dynamic strain. The composition and significance of selfsensing concrete are explained briefly in this article. Selfsensing concrete in smart structures sciencedirect. Selfsensing concrete in smart structuresprovides researchers and designers with a guide to the composition, sensing mechanism, measurement, and sensing properties of selfhealing concrete along with their structural applications.
The problem is that over time the material becomes weaker. Smart concrete is a very broad category of material that includes selfsensing concrete, selfadjusting concrete, selfhealing concrete, etc. The diameters of cnts are in the range of 120 nm the lengths are in the range of 0. 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. Damage detection in concrete structures using smart piezoelectric sensors as concrete s aggregates phd dissertation defense technical university of crete school of architectural engineering laboratory of applied mechanics supervisor.
Self sensing 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. Towards smart concrete for smart cities iowa state university. 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. The addition of carbon fibers, carbon nanotubes, and various nanopowders such as nanosilica, carbon black, and graphite giving cementitious materials electrical properties that can be used for selfsensing has been known for almost two decades. As a response, researchers and designers are developing selfsensing concrete which not only increases longevit. Selfsensing concrete in smart structures in searchworks. Selfsensing concrete in smart structures ebook, 2014. Smart concrete is a very broad category of material that includes self sensing concrete, selfadjusting concrete, selfhealing concrete, etc.
The physical parameters of selfsensing concrete will change as it is subjected to external force, deformation, or environmental action, thus presenting sensing capability. International journal of engineering research and general science volume 4, issue 2, marchapril, 2016. In this study, we present a type of environmentfriendly, selfsensing concrete enabled by electrical resistance. The selfsensing concrete has great potential in the fields of structural health monitoring, traffic detection, and. Concrete structures exhibit good mechanical properties and durability if designed and. These selfsensing cementbased materials are often termed smart concrete or smart cementpaste depending on the presence of. A possible solution providing internal monitoring capabilities is the utilization of selfsensing concrete at key locations in the structure of interest. Selfsensing concrete in smart structures baoguo han, xun yu, jinping ou on. Development of self sensing concrete and its various possible applications r. Environmentfriendly, selfsensing concrete blended with. Selfsensing concrete in smart structures 1st edition. Selfsensing is the phenomenon in which the concrete itself monitors its health when there might be unexpected potential threats for the concrete structure, during these life threatening situations its tougher for the engineer to provide necessary solutions in very short decision making time. Self sensing concrete in smart structuresprovides researchers and designers with a guide to the composition, sensing mechanism, measurement, and sensing properties of selfhealing concrete along with their structural applications.
Selfsensing concrete in smart structures request pdf. Selfsensing concrete in smart structures han, baoguo, yu, xun, ou, jinping on. Selfsensing concrete for smart infrastructureselfsensing. Kassimali, matrix analysis of structures, 2nd ed, 2011 han b. 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 show more. An experimental study on static and dynamic strain sensitivity of. The unique benefit of smart concrete is that it is fortified by carbon fiber, which comprises as much.
Smart concrete technology provides a new alternative way for health monitoring of reinforced concrete structures. 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 external stimulus, such as stress and temperature. Smart concrete abstract interest in selfsensing structural materials has grown in recent years due to their potential to enable continuous lowcost monitoring of nextgeneration smart structures. For the smart cities to be smarter, these selfsensing materials are proving more helpful, as they monitor structural health of the civil engineering infrastructures. Smart concrete, sensors and selfsensing concrete structures.
The availability of new selfsensing cementbased strain sensors allows the development of dense sensor networks for structural health monitoring shm of reinforced concrete structures. Concrete is the most widely used construction material for infrastructure projects such as tunnels and bridges. Provides a systematic discussion of the structure of intrinsic self sensing concrete. The development of cementbased smart sensors appears particularly well suited for structural health monitoring due to their numer. Chung from state university of new york at buffalo, u. Selfsensing concrete in smart structures by baoguo han, xun yu. The developed nanocomposite has been obtained by inserting multi walled carbon nanotubes within a.
Till date, different forms of carbon composites, i. Concrete is the second most used building material in the world after water. 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. These smart composites show a detectable change in their electrical resistivity with applied stress or strain and this unique characteristic make them useful for health monitoring of structures. Smart concretes and structures are intelligent systems that have properties different from normal concrete, such as selfsensing and selfhealing properties, or have the ability to react upon an external stimulus, such as stress and temperature. Your structural concrete mixes can be upsold as smart using the smartrock plus valueadded solution. Concrete is the most extensively used material in civil engineering 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. Damage detection in concrete structures using smart.
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