Development of self sensing concrete and its various. Prestressed concrete structures notes pdf pcs notes pdf book starts with the topics detailed estimate, abstract estimate, material should be waterproof and corrosion resistant, advantages of prestressed concrete bridges. Damage detection in concrete structures using smart. Selfsensing and strengthening effects of reinforced. Rcc download civil engineering notes and materials pdfs. Therefore, the selfsensing frp bar has potential applications for longterm structural health monitoring shm as embedded sensors as well as reinforcing materials for concrete structures.
Civil project on earthquake vibration control using modified frameshear wall civil project on advanced earthquake resistant techniques civil project on smart materials civil project on causes prevention and repair of cracks in building civil project on rehabilitation techniques. Selfsensing concrete in smart structures by baoguo han. The sensing performance, the measuring methods and. As a result of advances take place in the aspect of concrete technology many new types of. To achieve this purpose, a multiscale actuated sensing system with a selfsensing circuit using piezoelectric active sensors was applied to a cfrp laminated concrete beam structure. Selfsensing concrete in smart structures sciencedirect. Purchase selfsensing concrete in smart structures 1st edition. Selfsensing of nanocarbon black concrete sciencedirect. Selfsensing concrete in smart structures request pdf.
Measuring the sensing property of selfsensing concrete is as crucial as processing. Pdf this paper deals with the selfsensing concrete ssc materials and composition, types and applications. Selfsensing cementitious composites for smart structures. Selfsensing concrete in smart structures 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. The selfsensing concrete has great potential in the fields of structural health monitoring, traffic detection, and. Design of selfgrowing, selfsensing, and selfrepairing. Naidu a s k and bhalla s 2003 damage detection in concrete structures with.
Selfsensing concrete in smart structures han, baoguo, yu, xun, ou, jinping on. Selfsensing concrete in smart structures by baoguo han, 9780128005170, available at book depository with free delivery worldwide. Instead, this research proposes a new method to design multifunctional and selfsensing concrete, which is achieved by altering the cementaggregate interface using conductive, nanoengineered coatings. Integration and road tests of a selfsensing cnt concrete pavement system for traffic detection. The diameters of cnts are in the range of 120 nm the lengths are in the range of 0. Pdf smart selfhealing and selfsensing cementitious.
And the piezoresistivity is almost free from the influence of measurement current and. Figure 6 atomic structure of singlewalled and multiwalled cnt. The physical parameters of selfsensing concrete will change as it is subjected to external force, deformation, or environmental action, thus presenting sensing capability. The problem is that over time the material becomes weaker. Civil project on advanced pavement design civil project on sewage treatment plant. View or download all content the institution has subscribed to. Lastly, the sensing performance was further verified with static experiments of concrete beam reinforced with the proposed selfsensing frp bar. It dramatically decreased the electrical resistivity of this type of material and endowed it with selfsensing ability 17,18. 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. Environmentfriendly, selfsensing concrete blended with.
Nanocarbon black concrete cbcc that has selfsensing ability is attractive for guaranteeing the safety of infrastructure. As per is 383 1970 generally hard blasted granite chips hbg icoarse aggregate. In this work, hybrid selfsensing concrete has been used with the aim of covering the deformations in the concrete induced by compressive external loads from the nanoscale to the microscale. The most trusted and popular document search engine on the internet. Smart concrete is a new generation of structure materials that developed from carbon fiber reinforced. Baoguo han 1,2, kun zhang 1,3, tom burnham 4, eil kwon 5 and xun yu 1. Selfsensing concrete in smart structures 1st edition elsevier.
Environmentfriendly, selfsensing concrete was casted with the additions of byproduct wastes i. As a result of advances take place in the aspect of concrete. In this study, we present a type of environmentfriendly, selfsensing concrete enabled by electrical resistance. Drm free easy download and start reading immediately. The botryoid hybrid nanocarbon materials were incorporated into cementitious materials to develop a new type of selfsensing cementitious composites, and then the mechanical, electrically conductive, and piezoresistive behaviors of the developed selfsensing cementitious composites with botryoid hybrid nanocarbon materials were comprehensively investigated. The electrical properties of concrete are gaining their importance for the application in building construction. A new kind of selfsensing fiber reinforced polymer frp concrete composite beam, which consists of a frp box beam combined with a thin layer of concrete in the compression zone, was developed by using two embedded fbg sensors in the top and bottom flanges of frp box beam at midspan section along longitudinal direction, respectively. Xin yan and hui li selfsensing concrete filled frp tubes using fbg strain sensors.
Smart cementitious nanocomposites for selfsensing and. Distributed longgauge optical fiber sensors based self. Prestressed concrete structures pdf notes pcs pdf notes. Bonding performance between selfsensing frp bar and concrete. However, some further research should be implemented to make the study more useful and applicable. Business, education, finance, inspirational, novel, religion, social, sports, science, technology.
Development of self sensing concrete and its various possible applications r. Provides a systematic discussion of the structure of intrinsic selfsensing concrete. Selfsensing cementitious composites incorporated with. Concrete with selfsensing properties sciencedirect.
Here you can download the free lecture notes of design of reinforced concrete structures pdf notes drcs notes pdf materials with multiple file links. Smart structures have attracted significant research attention in the last decade, mainly due to the capabilities of advanced concrete in electrical resistanceenabled selfsensing. Smart concrete, sensors and selfsensing concrete structures. Read selfsensing concrete in smart structures by baoguo han, xun yu, jinping ou for free with a 30 day free trial. Graphite has also been used to enhance the electrical conductivity and internal damage monitoring of concrete structures either as the only conductive admixture or. The amount of graphite ranged from 1% to 30% of the slag mass. Experimental testing of a self sensing frp concrete composite beam. Debonding detection on a cfrp laminated concrete beam.
Selfsensing concrete in smart structures by baoguo han, xun yu. Damage detection in concrete structures using smart piezoelectric sensors as concrete s aggregates phd dissertation defense. As a response, researchers and designers are developing selfsensing concrete which not only increases longevity but also the strength of the material. Due to its large file size, this book may take longer to download. Integration and road tests of a selfsensing cnt concrete. Nanoand microfillers can change the microstructure and mass transfer in.
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. Its structure is highly heterogeneous, complex, and dynamic. Materials free fulltext selfcompacted concrete with. The selfsensing ability of cementitious materials with conductive particles for. Intrinsic selfsensing concrete issc is an ideal engineering material for addressing this issue. Concrete is the second most used building material in the world after water.
The selfsensing ability of nanoconcrete is based on the piezoresistivity, which is obtained by adding an appropriate concentration of nanocarbon black into concrete. Published 17 december 2012 20 iop publishing ltd smart materials and structures, volume 22, number 1. In the selfsensing based multiscale actuated sensing system, a wide frequencyband structural response from the selfsensed impedance measurements and a specific. Start reading selfsensing concrete in smart structures on your kindle in under a minute. Jinping ou, in self sensing concrete in smart structures, 2014. All engineering books pdf download online, notes, materials, exam papers, mcqs for all engineering branch such as mechanical, electronics, electrical, civil, automobile, chemical, computers, mechatronic, telecommunication any all more popular books available here. This paper deals with the selfsensing concrete ssc materials and composition, types and applications. Proceedings of spie march 30 2009 smart fbgbased frp anchor. Sensors free fulltext distributed longgauge optical. Smart concrete produced from cnts carbon nanotubes cnts are seamless tubular structures. The selfsensing frp bar is designed to be embedded into concrete structures to implement the monitoring and structural reinforcing. Thus, the bonding performance between selfsensing frp bar and concrete is considered an important parameter influencing the effects.
In this perspective, an extremely attractive option is the development of multifunctional selfsensing concrete ssc, also called smart concrete, able to work both as structural material and as distributed sensing system han et al. In this study, graphite powder was added to alkaliactivated slag mortar as an electrically conductive filler in order to enhance the mortars conductive properties. Experimental investigation of a selfsensing hybrid gfrp. However, since the investigation is transdisciplinary in nature. 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.
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. Selfsensing concrete enabled by nanoengineered cement. In this paper, eight fbg strain sensors will be preembedded in a hybrid gfrp concrete bridge superstructure during its fabrication process. Spie 9061, sensors and smart structures technologies for civil, mechanical, and aerospace systems 2014, 906126. Nominal maximum size of coarse aggregate for rcc is 20 mm in no case greater than onefourth of minimum thickness of member in heavily reinforced members 5 mm less than the minimum clear distance between the main bars or 5 mm less than the minimum cover to the reinforcement which ever is smaller. Published 18 march 2008 iop publishing ltd smart materials and structures, volume 17, number 3.
1332 673 1447 1070 1525 277 296 711 666 729 1512 1177 289 196 1175 590 90 1338 1162 1101 531 937 1113 161 1190 1033 298 977 1196 369 1147 1391 1114 28 1285 1017 1062 195