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Experimental Study on Active Interface Debonding Detection for Rectangular Concrete-Filled Steel Tubes with Surface Wave Measurement

Bin Xu, Lele Luan, Hongbing Chen, Jiang Wang, Wenting Zheng
2019 Sensors  
In this paper, an active interface debonding detection approach using surface wave measurement with a piezoelectric lead zirconate titanate (PZT) patch as sensor mounted on the outer surface of the CFST  ...  degrees of interface debonding defects on three internal surfaces are designed and experimentally studied.  ...  Figure 1 . 1 Concept of debonding detection using surface wave measurement for a concrete-filled steel tube (CFST) member.  ... 
doi:10.3390/s19153248 fatcat:kmiwbcyr2zfi3klvhlwl5riqo4

Damage Evaluation of Reinforced Concrete structures at lap splices of tensional steel bars using Bonded Piezoelectric Transducers

R. Regupathi, C. Jayaguru
2022 Latin American Journal of Solids and Structures  
Four reinforced concrete beams with a span of 2700mm and a cross-section of 200 x 250mm were cast and simply edge-supported on roller supports 2250mm apart.  ...  Using bonded piezoelectric transducers (PZT), this study evaluates damage to reinforced concrete beams at lap splices of tensile rebars.  ...  Artificially induced debonding zones in concrete-filled steel tubes were effectively discovered using piezoceramics-based functional smart aggregates (SAs) implanted in concrete as actuators and PZT patches  ... 
doi:10.1590/1679-78257069 fatcat:45hum5sf4jc2lkzjgivknig574

A Review of Microwave Thermography Nondestructive Testing and Evaluation

Hong Zhang, Ruizhen Yang, Yunze He, Ali Foudazi, Liang Cheng, Guiyun Tian
2017 Sensors  
Then, MWT case studies are discussed. Next, comparisons with other thermography and NDT methods are conducted.  ...  In this paper, a comprehensive review of MWT techniques for materials evaluation is conducted based on a detailed literature survey. First, the basic principles of MWT are described.  ...  Pieper et al. demonstrated an active MWT for inspection of large corrosion areas on reinforcing steel bars for cement-based structures Figure 5 . 5 (a) MWT measurement setup for corroded rebar detection  ... 
doi:10.3390/s17051123 pmid:28505130 pmcid:PMC5470799 fatcat:nditfeo2nzbwveewdko33f4aju

State-of-the-art and annual progress of bridge engineering in 2020

Renda Zhao, Kaifeng Zheng, Xing Wei, Hongyu Jia, Haili Liao, Xiaozhen Li, Kai Wei, Yulin Zhan, Qinghua Zhang, Lin Xiao, Lingyuan Zhou, Ruili Shen (+5 others)
2021 Advances in Bridge Engineering  
The first part is about the bridge structure, including concrete bridge and high-performance materials, steel bridges, composite girders.  ...  AbstractBridge construction is one of the cores of traffic infrastructure construction.  ...  Acknowledgements We also need to acknowledge the following people for their positive contributions, which are listed as follow.  ... 
doi:10.1186/s43251-021-00050-x fatcat:sslhssowinhs7iggy5p3zpgrpm

Scientific Program

2014 Procedia IUTAM  
Su * , China An experimental study on the Richtmyer-Meshkov instability of a minimum-surface interface with sinusoidal boundaries FM07-036 Xiansheng Wang * , Ting Si, Xisheng Luo, Jiming Yang  ...  steel tubes behavior SM07-045 H.  ...  Thickness-shear vibrations of rectangular plates with free edges by the extended kantorovich method FS07-019 Ji  ... 
doi:10.1016/j.piutam.2014.01.011 fatcat:osy4egnuufdophopfpj75e24jm

Seismic Behavior of Micropiles and Micropiled Structures Used for Increasing Resilience: A Literature Review

Majd Abou Alhaija, Loretta Batali
2022 Applied Sciences  
Additionally, their association with seismic dampers for improving the seismic behavior of buildings is not yet fully studied and it represents a major topic of interest for both new structures and historical  ...  After the introductory part, the paper describes all relevant information regarding MPs, as types and technology, seismic behavior, applications for increasing seismic resilience, and experimental and  ...  Two possibilities exist: body waves arrive before surface waves or intersecting of body and surface waves.  ... 
doi:10.3390/app12052743 fatcat:hmldtj3gxrbw3ic3ppvktkhctq

Research on Application of Uplift-Restricted Slip-Permitted (URSP) Connectors in Steel-Concrete Composite Frames

Linli Duan, Xin Nie, Ran Ding, Liangdong Zhuang
2019 Applied Sciences  
The feasibility of the URSP connector in steel-concrete composite frame buildings is investigated in this study based on a comprehensive parametric analysis.  ...  and successfully applied in the area subjected to a negative bending moment in steel-concrete composite bridges.  ...  Acknowledgments: The authors would like to thank the anonymous reviewers for their constructive comments and suggestions. Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/app9112235 fatcat:jutxyi5debhjpalgysuhzj3c5e

A review of the present and future utilisation of FRP composites in the civil infrastructure with reference to their important in-service properties

L.C. Hollaway
2010 Construction and Building Materials  
Future generations of FRP structural members associated with the construction industry.  ...  Combined with other engineering materials to improve the stiffness, strength and durability of the overall composite structural member.  ...  The advantages of the concrete-filled FRP tubes over the concrete-filled steel tubes include light-weight and corrosion resistance.  ... 
doi:10.1016/j.conbuildmat.2010.04.062 fatcat:ps2ji7en3jdz7b7akllceui7xe

New innovations in pavement materials and engineering: A review on pavement engineering research 2021

Jiaqi Chen, Hancheng Dan, Yongjie Ding, Yangming Gao, Meng Guo, Shuaicheng Guo, Bingye Han, Bin Hong, Yue Hou, Chichun Hu, Jing Hu, Ju Huyan (+32 others)
2021 Journal of traffic and transportation engineering : JTTE 8(6)  
Thanks for the effort of all the authors to this paper. The authors contributed equally to this paper and are listed in alphabetical order of the last names.  ...  between the modulus measured by the light deflection instrument, surface wave, geophone and FWD.  ...  Some scholars have put forward preventive measures for the deformation cracks and exothermic damage in the construction of subgrade filled with FSFs.  ... 
doi:10.18154/rwth-2022-00362 fatcat:o4m3g5rlafbh5fkry4e27xkbfu

Study of Geothermal Energy Piles (GEPs) for Sustainable Climatization of Structures in Brazil [article]

Renato P. Cunha
2019 Zenodo  
Report on State-of-Art Knowledge and Research on GEP Systems, submitted to the National Council for Scientific and Technological Development (CNPq) as part of the requirements for the concession of the  ...  Final Report on the Post Doc Leave from Prof. Renato P. Cunha at the Instituto Técnico Superior (IST) in Lisbon, Portugal, from July to December 2019.  ...  The model energy pile was constructed using a hollow steel tube (shaft) coated with a thin layer of concrete.  ... 
doi:10.5281/zenodo.3648308 fatcat:mp7jqutf5jfsll25vjg2xtfasm

New innovations in pavement materials and engineering: A review on pavement engineering research 2021

Jiaqi Chen, Hancheng Dan, Yongjie Ding, Yangming Gao, Meng Guo, Shuaicheng Guo, Bingye Han, Bin Hong, Yue Hou, Chichun Hu, Jing Hu, Ju Huyan (+31 others)
2021 Journal of Traffic and Transportation Engineering (English ed. Online)  
Thanks for the effort of all the authors to this paper. The authors contributed equally to this paper and are listed in alphabetical order of the last names.  ...  between the modulus measured by the light deflection instrument, surface wave, geophone and FWD.  ...  Some scholars have put forward preventive measures for the deformation cracks and exothermic damage in the construction of subgrade filled with FSFs.  ... 
doi:10.1016/j.jtte.2021.10.001 fatcat:iddh6sybcben7bmudeqwedh4rm

Flame retardancy of polymer–clay nanocomposites [chapter]

A. Dasari, G.-P. Cai, Y.-W. Mai, Z.-Z. Yu
2010 Physical Properties and Applications of Polymer Nanocomposites  
The aim of this study is to give a short overview of the current state of the art of friction stir welding method of fiber reinforced polymer sheets.  ...  Acknowledgements We would like to express our sincere thanks to the National Natural Science Foundation of China for Financial Support (50533050, 20874064, 50873063).  ...  beams with debond and presence of debond for all sandwich configurations.  ... 
doi:10.1533/9780857090249.2.347 fatcat:crmu5ungdbewflg2hri2kfuuke

Temporal integration of loudness as a function of level

Mary Florentine, So/ren Buus, Torben Poulsen
1995 Journal of the Acoustical Society of America  
These data are being used for an assessment of the utility of Arctic acoustic measurements for global warming signature detection and monitoring.  ...  The method was designed to be used in Monte-Carlo studies of the effects of internal waves.  ...  Does the perceptual magnet effect hold for the [•] category?  ... 
doi:10.1121/1.411567 fatcat:h52442zdrnc6zmr4ephlixbspu

Application of the PE method to up‐slope sound propagation

Marta Galindo, Karsten Bo Rasmussen
1995 Journal of the Acoustical Society of America  
These data are being used for an assessment of the utility of Arctic acoustic measurements for global warming signature detection and monitoring.  ...  The method was designed to be used in Monte-Carlo studies of the effects of internal waves.  ...  Does the perceptual magnet effect hold for the [•] category?  ... 
doi:10.1121/1.411728 fatcat:bvxtg4xt7zcljo4rpxldvug444

Temporal integration of loudness as a function of level

Mary Florentine, So/ren Buus, Torben Poulsen
1996 Journal of the Acoustical Society of America  
These data are being used for an assessment of the utility of Arctic acoustic measurements for global warming signature detection and monitoring.  ...  The method was designed to be used in Monte-Carlo studies of the effects of internal waves.  ...  Does the perceptual magnet effect hold for the [•] category?  ... 
doi:10.1121/1.415236 pmid:8819858 fatcat:tsiit3akb5e4tkzxdzrilpsfzy
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