Zobrazeno 1 - 10
of 2 039
pro vyhledávání: '"UHPFRC"'
Publikováno v:
Results in Engineering, Vol 23, Iss , Pp 102655- (2024)
This study addresses the inherent brittleness of ultra-high-performance fiber re-inforced concrete (UHPFRC) by introducing a U-shaped specimen and investigating the impact strength of U-shaped UHPFRC retrofitted with polyurethane (PU) grout overlays.
Externí odkaz:
https://doaj.org/article/dc2a0828c62c4f5b97f8de7a6e807276
Autor:
Mohammad Momeni, Demetris Demetriou, Loucas Papadakis, Chiara Bedon, Michael F. Petrou, Demetris Nicolaides
Publikováno v:
Results in Engineering, Vol 23, Iss , Pp 102518- (2024)
The increasing use of innovative materials in blast- and impact-resistant structures underscores the demand for robust simulation and design methods. Concrete, especially Ultra High Performance Fiber Reinforced Concrete (UHPFRC), has emerged as a key
Externí odkaz:
https://doaj.org/article/999ad8abffde431fb28a824d096240b1
Autor:
Guilherme Santos da Silveira, Carlos Nat� Zenatti, Gustavo de Miranda Saleme Gidr�o, R�bia Mara Bosse, Paulo Rog�rio Novak
Publikováno v:
Frattura ed Integrità Strutturale, Vol 18, Iss 68, Pp 77-93 (2024)
Structures subjected to severe loads, such as earthquakes, often develop cracks at the beam-column joints, underscoring the significance of these regions in design. This study focuses on a comparative analysis of beam-column joints constructed with U
Externí odkaz:
https://doaj.org/article/a311770349b945c890a249818e0c2946
Publikováno v:
Case Studies in Construction Materials, Vol 21, Iss , Pp e03761- (2024)
This study investigated the axial compressive behavior of circular reinforced concrete (RC) stub columns jacketed by ultra-high performance concrete (UHPC) and ultra-high performance fiber reinforced concrete (UHPFRC). Eighteen composite columns were
Externí odkaz:
https://doaj.org/article/e43bcfffee63446bac2696b630853cf3
Publikováno v:
Case Studies in Construction Materials, Vol 21, Iss , Pp e03725- (2024)
The aversion of sudden shear failure in reinforced concrete (RC) beams and structures requires effective strengthening methods. This study investigated the efficacy of precast ultra-high-performance fiber-reinforced concrete (UHPFRC) panels for shear
Externí odkaz:
https://doaj.org/article/03726566b7984801beda759662bcd832
Publikováno v:
Case Studies in Construction Materials, Vol 20, Iss , Pp e03377- (2024)
An experimental investigation was performed to study the seismic performance of columns enhanced by the 630 MPa high-strength steel bars (HSSBs) and ultra-high-performance fiber reinforced concrete (UHPFRC). Six HSSBs-UHPFRC enhanced columns and one
Externí odkaz:
https://doaj.org/article/59e7c0a6a42d4d0590fa187abb1c6b66
Publikováno v:
Defence Technology, Vol 31, Iss , Pp 242-261 (2024)
Limited research has been conducted on the influences of fiber content on close-in blasting characteristics for ultrahigh-performance fiber-reinforced concrete (UHPFRC) beams. This paper aims to address this knowledge gap through experimental and mes
Externí odkaz:
https://doaj.org/article/7613abea6b504d4b9597d90372e0685c
Autor:
Bartłomiej Sawicki, Eugen Brühwiler
Publikováno v:
International Journal of Concrete Structures and Materials, Vol 18, Iss 1, Pp 1-16 (2024)
Abstract Under service conditions, R-UHPFRC (Reinforced Ultra High Performance Fiber Reinforced Cementitious composite) beams exhibit residual deflection after loading–unloading. This is due to the tensile strain hardening behavior of UHPFRC. The p
Externí odkaz:
https://doaj.org/article/fcb4fcbc1234451693c9649058aa1819
Publikováno v:
Applied Sciences, Vol 14, Iss 19, p 8806 (2024)
A depth precast deck panel (FDDP) is one element of the prefabricated bridge element and systems (PBES) that allows for quick un-shored assembly of the bridge deck on-site as part of the accelerated bridge construction (ABC) technology. This paper in
Externí odkaz:
https://doaj.org/article/cabc1dc3593f4041ba9206703d78232e
Publikováno v:
Buildings, Vol 14, Iss 9, p 2857 (2024)
As the bridge’s structural component is directly subjected to vehicle loads, the stress performance of the bridge deck has a significant impact on the safety, durability, and driving comfort of the bridge. In order to improve the bending performanc
Externí odkaz:
https://doaj.org/article/7eb59938896942fba945fd8d10e74b21