Selfsensing concrete in smart structures baoguo han. The composition and significance of selfsensing concrete are explained briefly in this article. Smart concrete abstract interest in selfsensing structural materials has grown in recent years due to their potential to enable continuous lowcost monitoring of nextgeneration smartstructures. The development of cementbased smart sensors appears particularly well suited for structural health monitoring due to their numer. 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 self healing and self sensing cementitious composites. As a response, researchers and designers are developing self sensing concrete which not only increases longevity but also the strength of the material. Smart concrete produced from cnts carbon nanotubes cnts are seamless tubular structures. However, these materials are often used with carbonbased fillers embedded into the cement matrix, limiting their use to new or retrofitted structures. Purchase selfsensing concrete in smart structures 1st edition.
Selfsensing structural materials have received considerable. 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. 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 health monitoring. The composition and significance of selfsensing concrete are. Introduction concrete is one of the most used construction materials. Concrete that is itself a sensor of strain or stress the concrete has been modified through the use of admixtures so that it becomes a sensor 2. Selfsensing composites are becoming highly attractive for civil engineering applications to improve the safety and performance of structures. The sensing ability is not due to the attachment of sensors. Smart bricks for strain sensing and crack detection in. Selfsensing concrete in smart structures sciencedirect. The diameters of cnts are in the range of 120 nm the lengths are in the range of 0. Jinping ou, in selfsensing concrete in smart structures, 2014. 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 provides a systematic discussion of the structure of intrinsic self sensing concrete compositions of intrinsic self. 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 self.
The self sensing concrete has great potential in the fields of structural health monitoring, traffic detection, and bordermilitary security. Clear and concise, self sensing concrete in structural design provide a systematic discussion on the structures of intrinsic self sensing concrete. Selfsensing concrete in smart structures 1st edition. 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.
The selfsensing concrete has great potential in the fields of structural health monitoring, traffic detection, and. The composition and significance of self sensing concrete are explained briefly in this article. 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. 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 present a type of environmentfriendly, selfsensing concrete enabled by electrical resistance. Smart concrete 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 strain sensing and damage sensing properties. Concrete is the most extensively used material in civil engineering structures. Development of self sensing concrete and its various. Selfsensing and strengthening effects of reinforced concrete. As a response, researchers and designers are developing selfsensing concrete which not only increases longevity but also the strength of the material. Introduction smart systems for civil structures are described as systems that can automatically adjust structural characteristics in response to external disturbances andor. Mechanical and electrical characterisation of steel fiber and. The developed nanocomposite has been obtained by inserting multi walled carbon nanotubes within a. Jan 03, 2016 concrete is the second most used building material in the world after water.
The developed nanocomposite has been obtained by inserting multi walled carbon nanotubes within a cementitious matrix. He is a member of aci committees 363, highstrength concrete. The damage selfsensing response of ultrahighperformance. This paper deals with the selfsensing concrete ssc materials and composition, types and applications. Smart concrete, sensors and selfsensing concrete structures article in key engineering materials 400402.
Damage detection, localization and quantification in. 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. The book s two part treatment begins with the compositions of intrinsic self sensing concrete, processing of intrinsic self sensing concrete, fundamental sensing mechanism, measurement, and sensing properties of intrinsic self sensing concrete. In this study, we present a type of environmentfriendly, self sensing concrete enabled by electrical resistance. However, some further research should be implemented to make the study more useful and applicable. Smart materials and structures is a multidisciplinary journal dedicated to technical advances in and applications of smart materials, systems and structures. Asme 2019 conference on smart materials, adaptive structures and intelligent systems. The self sensing concrete components embedded with these sensors can realize the monitoring of their local compressive strain. Traffic monitoring with a selfsensing concrete nanotechnology road surface nanowerk spotlight many communities in the u. Smart concrete, sensors and selfsensing concrete structures. Continuous and embedded solutions for shm of concrete. Concrete is used extensively in the construction of civil infrastructures such as bridges. 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. Smart concrete is a very broad category of material that includes selfsensing concrete, selfadjusting concrete, selfhealing concrete, etc.
Selfsensing concrete in smart structures request pdf. Application of nanomaterials in production of selfsensing. 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. Provides a systematic discussion of the structure of intrinsic selfsensing concrete. Fiberreinforced concrete smart materials and smart sensors aci fall 2011 convention october 16 20, cincinnati, oh aci web sessions antoine naaman, faci, is a professor in the department of civil and environmental engineering at the university of michigan. The physical parameters of selfsensing concrete will change as it is subjected to external force, deformation, or environmental action, thus presenting sensing capability. Smart concrete is a very broad category of material that includes self sensing concrete, self adjusting concrete, self healing concrete, etc. Self sensing concrete is a smart concrete technology that can sense the stress, strain, and damage in itself. This includes smart concrete, which has the potential to provide any concrete structure with self sensing capabilities. Read selfsensing concrete in smart structures by baoguo han, xun yu, jinping ou for free with a 30 day free trial. An experimental study on static and dynamic strain.
Structural health monitoring, intrinsic self sensing concrete,carbon nanotubes. Smart structures have attracted significant research attention in the last decade, mainly due to the capabilities of advanced concrete in electrical resistanceenabled selfsensing. Concrete is the second most used building material in the world after water. 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. Detection and monitoring of cracks in reinforced concrete. 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 is a branch of smart concrete, which was the earliest proposed and has been systematically and deeply investigated. Ubertini self sensing concrete nano composites for smart structures, 2016. Jinping ou, in self sensing concrete in smart structures, 2014. Environmentfriendly, selfsensing concrete was casted with the additions of byproduct wastes i. Recent advances on shm of reinforced concrete and masonry. The internal selfsensing smart concrete, while offers many benefits including having the same durability and mechanical properties as that of the structure being monitored. 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. It is also called as selfmonitoring or piezoresistive or pressuresensitive or intrinsically smart concrete. This includes smart concrete, which has the potential to provide any concrete structure with selfsensing capabilities. Chung, carbon fibre reinforced concrete as an intrinsically smart concrete for damage assessment during static and dynamic loading, aci materials.
International conference on smart infrastructure and. 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. 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 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. Self sensing composites are becoming highly attractive for civil engineering applications to improve the safety and performance of structures. The selfsensing concrete components embedded with these sensors can realize the monitoring of their local compressive strain. 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. Selfsensing concrete is a branch of smart concrete, which was the earliest proposed and has been systematically and deeply investigated. Sejong university, south korea scientific tracks abstracts. 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. 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 external stimulus, such as stress and temperature.
Selfsensing concrete in smart structures ebook by baoguo han. Application of such composites enable to improve the safety and performance of structures. The problem is that over time the material becomes weaker. The internal self sensing smart concrete, while offers many benefits including having the same durability and mechanical properties as that of the structure being monitored. Smart concrete 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. Development of self sensing concrete and its various possible. These materials enable to create the socalled smart concrete exhibiting selfsensing ability.
This chapter deals with selfsensing piezoresitive materials like smart composites. Environmentfriendly, selfsensing concrete blended with. 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. 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 ebook, 2014. Recent advances in nanotechnologies have enabled a new family of sensors, termed selfsensing materials, which would provide smart cities with means to also monitor structural health of civil infrastructures. Purchase self sensing concrete in smart structures 1st edition. With the verified performance of both structural strengthening and self sensing, the new proposed retrofitting system based on the smart bfrp bar presents a broad perspective of practical applications in the concrete structures. Introduction the preventive conservation of heritage masonry structures requires the availability of suitable monitoring technologies. Selfsensing concrete in smart structures civil engineering. These sensors are fabricated by doping cementmatrix mterials with conductive. Recent advances in nanotechnology have led to development of new family of sensors selfsensing materials. Environmentfriendly, self sensing concrete was casted with the additions of byproduct wastes i.
Selfsensing concrete in smart structures by baoguo han, xun yu. Piezoresistive cementbased strain sensors and selfsensing concrete components j ou, b han journal of intelligent material systems and structures 20 3, 329336, 2009. However, due to the degeneration of material, impact by the service environment and lack of health monitoring, many concrete structures are in the state of. Selfsensing concrete is a smart concrete technology that can sense the stress, strain, and damage in itself. The use of smart cementitious materials is becoming increasingly critical for the enhanced serviceability of structures. 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. Selfsensing concrete nanocomposites for smart 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. Proceedings of the asme 2019 conference on smart materials, adaptive structures and intelligent systems. Selfsensing characterization of gnp and carbon black filled cementitious composites. Traffic monitoring with a self sensing concrete nanotechnology road surface nanowerk spotlight many communities in the u. Selfsensing characterization of gnp and carbon black filled. 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. Self sensing structural materials have received considerable. Selfsensing concrete in smart structures provides researchers and designers with a guide to the composition, sensing mechanism, measurement, and sensing properties of selfhealing concrete.
Deformation of concrete structures download ebook pdf, epub. Smart concrete abstract interest in self sensing structural materials has grown in recent years due to their potential to enable continuous lowcost monitoring of nextgeneration smart structures. It is also called as self monitoring or piezoresistive or pressuresensitive or intrinsically smart concrete. 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. 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. 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. Smart structures download ebook pdf, epub, tuebl, mobi. The composition and significance of selfsensing concrete are explained briefly in. The development of cracks can however, undermine the integrity of such facility. Selfsensing concrete in smart structures 1st edition elsevier. As a result of advances take place in the aspect of concrete technology many new types of. Jun 23, 2015 as a response, researchers and designers are developing self sensing concrete which not only increases longevity but also the strength of the material. 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.