Zobrazeno 1 - 10
of 593
pro vyhledávání: '"Nikos A. Papadopoulos"'
Publikováno v:
Applied Mechanics, Vol 5, Iss 3, Pp 405-419 (2024)
Reinforced Concrete (RC) members in existing RC structures are susceptible to shear-critical due to their under-reinforced design. Thus, implementing a retrofitting technique is essential to eliminate the casualties that could arise from sudden and c
Externí odkaz:
https://doaj.org/article/9c4a79b254ac4057b2172b4c128b9b2e
Autor:
George M. Sapidis, Maria C. Naoum, Nikos A. Papadopoulos, Emmanouil Golias, Chris G. Karayannis, Constantin E. Chalioris
Publikováno v:
Applied Sciences, Vol 14, Iss 20, p 9173 (2024)
Due to insufficient transverse reinforcement, the retrofitting of beam–column joints (BCJs) in existing reinforced concrete (RC) frame structures is commonly required to alter their brittle behavior. The construction industry has extensively embrac
Externí odkaz:
https://doaj.org/article/cb876f82d9b14ddfa073da9acd1137e6
Publikováno v:
Applied Sciences, Vol 14, Iss 20, p 9282 (2024)
Climate change induces extreme effects with lower-than-designed restoration periods, imposing the necessity of strengthening the structural integrity of existing and mainly older RC structures, which are often demonstrated to be under-reinforced in t
Externí odkaz:
https://doaj.org/article/f36f45535bf44a22ac3b3cd250b8d3c3
Publikováno v:
Sensors, Vol 24, Iss 17, p 5660 (2024)
Real-time structural health monitoring (SHM) and accurate diagnosis of imminent damage are critical to ensure the structural safety of conventional reinforced concrete (RC) and fiber-reinforced concrete (FRC) structures. Implementations of a piezoele
Externí odkaz:
https://doaj.org/article/32e94be6bef24b25a44df031b8da3043
Autor:
George M. Sapidis, Ioannis Kansizoglou, Maria C. Naoum, Nikos A. Papadopoulos, Constantin E. Chalioris
Publikováno v:
Sensors, Vol 24, Iss 2, p 386 (2024)
Effective damage identification is paramount to evaluating safety conditions and preventing catastrophic failures of concrete structures. Although various methods have been introduced in the literature, developing robust and reliable structural healt
Externí odkaz:
https://doaj.org/article/34c2b4f8472b40aa892a01dd402ec87a
Publikováno v:
Buildings, Vol 13, Iss 10, p 2465 (2023)
This experimental study investigates the influence of synthetic macro-fibers added in fiber-reinforced concrete (FRC) prismatic specimens on their flexural response and overall cracking performance. Application of a novel structural health monitoring
Externí odkaz:
https://doaj.org/article/3405da618c8f477da12e0558c3216fe6
Publikováno v:
Fibers, Vol 11, Iss 4, p 34 (2023)
Effective real-time structural health monitoring in concrete structures is paramount to evaluating safety conditions and the timely maintenance of concrete structures. Especially, the presence of discrete fibers in fiber-reinforced concrete restrains
Externí odkaz:
https://doaj.org/article/da80f527f11f4ba2ab12a87d7d4d1975
Publikováno v:
Polymers, Vol 15, Iss 3, p 473 (2023)
Traditional methods for estimating structural deterioration are generally costly and inefficient. Recent studies have demonstrated that implementing a network of piezoelectric transducers mounted to critical regions of concrete structural members sub
Externí odkaz:
https://doaj.org/article/2299b316e4a943dd8fd091b1432f489c
Publikováno v:
Fibers, Vol 10, Iss 1, p 5 (2022)
The addition of short fibers in concrete mass offers a composite material with advanced properties, and fiber-reinforced concrete (FRC) is a promising alternative in civil engineering applications. Recently, structural health monitoring (SHM) and dam
Externí odkaz:
https://doaj.org/article/cfb4a9d3e52f489793d120b401fc186d
Autor:
Constantin E. Chalioris, Chris G. Karayannis, Georgia M. Angeli, Nikos A. Papadopoulos, Maria J. Favvata, Costas P. Providakis
Publikováno v:
Case Studies in Construction Materials, Vol 5, Iss C, Pp 1-18 (2016)
The application of an innovative real-time structural health monitoring system is studied through tests performed on flexural and shear-critical reinforced concrete elements subjected to monotonic and cyclic loading. The test set-up involves a Wirele
Externí odkaz:
https://doaj.org/article/7ac01630b1eb400aa50fc1d9ef071787