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of 1 795
pro vyhledávání: '"Ultra-high performance concrete (UHPC)"'
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To investigate the shear behavior of FRP (fiber reinforced polymers)-UHPC (ultra-high performance concrete) composite beams, four-point bending tests were conducted on seven FRP-UHPC specimens and two FRP-NSC (normal strength concrete) speci
To investigate the shear behavior of FRP (fiber reinforced polymers)-UHPC (ultra-high performance concrete) composite beams, four-point bending tests were conducted on seven FRP-UHPC specimens and two FRP-NSC (normal strength concrete) speci
Externí odkaz:
http://hdl.handle.net/10454/20161
Autor:
Homa Haghighi, Girum Urgessa
Publikováno v:
Eng, Vol 5, Iss 3, Pp 2362-2378 (2024)
This paper presents a comprehensive finite element analysis (FEA) of pre-stressed Ultra High-Performance Concrete (UHPC) girders, showcasing intricate structural behaviors under various loading conditions. Utilizing advanced finite element modeling t
Externí odkaz:
https://doaj.org/article/32107824ff80418a824839bb4352457a
Autor:
Krairerk Aiamsri, Teerasak Yaowarat, Suksun Horpibulsuk, Apichat Suddeepong, Apinun Buritatum, Kanchana Hiranwatthana, Kirati Nitichote
Publikováno v:
Developments in the Built Environment, Vol 20, Iss , Pp 100585- (2024)
This study explores the bond strength of steel reinforcing bars in normal concrete (NC) and ultra-high-performance concrete (UHPC) with steel fibers, focusing on the behavior of lap-spliced rebars. Key variables such as rebar diameter (D), spacing (s
Externí odkaz:
https://doaj.org/article/18815e2cdf5f49cba167a14bc0ea3d4d
Publikováno v:
Cleaner Engineering and Technology, Vol 23, Iss , Pp 100846- (2024)
Ultra-high-performance concrete (UHPC) stands at the forefront of cementitious materials used for construction, owing to its unparalleled strength and durability. However, the high cement content and excessive use of steel fibers in the conventional
Externí odkaz:
https://doaj.org/article/2a516c1867a94fbdabdf1f19c540100c
Publikováno v:
Heliyon, Vol 10, Iss 23, Pp e40598- (2024)
This study evaluates the air permeability of epoxy-coated normal concrete and ultra-high performance concrete (UHPC) for use in Hyperloop tube structures, where maintaining ultra-low air permeability is crucial to preserving the vacuum environment. W
Externí odkaz:
https://doaj.org/article/f00e838390534bd39f4cce75119a7721
Publikováno v:
Case Studies in Construction Materials, Vol 21, Iss , Pp e03778- (2024)
To reduce the production costs of steel reinforced UHPC composite beams and fully utilize the material strength of steel, this paper introduced an innovative prefabricated composite beam comprising a reinforced ultra-high performance concrete beam an
Externí odkaz:
https://doaj.org/article/209c9db9f97d47e38d4eb6f33600387c
Publikováno v:
Case Studies in Construction Materials, Vol 21, Iss , Pp e03801- (2024)
Masonry walls, prevalent in many historical and contemporary structures, often require retrofitting to meet modern safety and performance standards. Motivated by the need for efficient and reliable retrofitting solutions, this research investigates t
Externí odkaz:
https://doaj.org/article/b48890a8501c4fcabe9edb1269891d9b
Publikováno v:
Case Studies in Construction Materials, Vol 21, Iss , Pp e03782- (2024)
Ultra-high performance concrete (UHPC) is a cementitious composite characterized by its ultra-high durability attributes and mechanical properties. It is primarily used in large-span and ultra-high-rise structures for control of deflections. However,
Externí odkaz:
https://doaj.org/article/387367994f1546eba1a60d0d1716b581
Publikováno v:
Case Studies in Construction Materials, Vol 21, Iss , Pp e03558- (2024)
Steel-ultra-high-performance concrete (UHPC) composite beams employing single embedded nut bolted shear connectors (SENBs) in full-depth precast concrete deck systems represent a competition attempt in recent years, which can fully utilize the except
Externí odkaz:
https://doaj.org/article/a4aeb9aca79f43c68d680cd086cfa0ce
Publikováno v:
Case Studies in Construction Materials, Vol 21, Iss , Pp e03393- (2024)
This paper presents an experimental and numerical investigation into the bending behaviour of reinforced concrete (RC) T-beams damaged by overheight vehicle impact strengthened with ultra-high performance concrete (UHPC). Four-point bending tests wer
Externí odkaz:
https://doaj.org/article/02555084dc7b4eb0bfff95d483335e33