Zobrazeno 1 - 10
of 763
pro vyhledávání: '"Flexural toughness"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-15 (2024)
Abstract Concrete is used worldwide as a construction material in many projects. It exhibits a brittle nature, and fibers' addition to it improves its mechanical properties. Polypropylene (PP) fibers stand out as widely employed fibers in concrete. H
Externí odkaz:
https://doaj.org/article/4262be969c654af1bf02d4c3cb840ed8
Publikováno v:
Journal of Asian Architecture and Building Engineering, Vol 23, Iss 3, Pp 961-978 (2024)
Polyurethane concrete has excellent mechanical properties, rapid solidification and durability, but brittle damage is easy to occur at room temperature. To solve the problem of insufficient bending toughness of polyurethane concrete, steel fibers wer
Externí odkaz:
https://doaj.org/article/98ea7b3acb434942bf999db87da16a42
Publikováno v:
Journal of King Saud University: Engineering Sciences, Vol 36, Iss 3, Pp 175-185 (2024)
The advancement in the tensile strength and ductility of plain concrete can minimize the quantity of materials required per unit strength to build eco-friendly structures. This paper compares the compressive and flexural behavior of different strengt
Externí odkaz:
https://doaj.org/article/a735979708164dbdaffad5525ebd48ea
Autor:
Idris Ahmed Ja'e, Zakaria Che Muda, Mugahed Amran, Agusril Syamsir, Chiemela Victor Amaechi, Ebrahim Hamid Hussein Al-Qadami, Marco Antonio Díaz Huenchuan, Siva Avudaiappan
Publikováno v:
Results in Engineering, Vol 24, Iss , Pp 103149- (2024)
Lightweight fibre-reinforced concrete integrates the advantages of lightweight aggregates with the strength-enhancing properties of fibres, resulting in a lighter composite with enhanced impact and mechanical performance. However, achieving an optima
Externí odkaz:
https://doaj.org/article/8d28a46aca644d378d23dbb3ab71788c
Autor:
B. Sankar, D. Anitha, K. Arunkumar, D. Rameshkumar, P. Swaminathan, Kuldeep K. Saxena, P.K. Jisha, Hany Sayed Abdo, Ibrahim Alnaser
Publikováno v:
Case Studies in Construction Materials, Vol 21, Iss , Pp e03642- (2024)
This paper investigates the effects of silica fume (SF) and metakaolin (MK) as cement substitutes on the mechanical properties, shrinkage, and toughness performances of steel fiber reinforced concrete (SFRC). Initially, a reference concrete mix with
Externí odkaz:
https://doaj.org/article/14ef19029a104fb9ac95a5ea2aecf412
Publikováno v:
Case Studies in Construction Materials, Vol 20, Iss , Pp e02796- (2024)
The incorporation of steel fibers in concrete imparts strain-hardening characteristics, significantly elevating the tensile toughness of the concrete mixture. However, this enhancement often comes at the expense of reduced workability and strength, p
Externí odkaz:
https://doaj.org/article/960e49b7927049d1844b702273d241d3
Publikováno v:
Materials, Vol 17, Iss 13, p 3225 (2024)
Geopolymers, as a novel cementitious material, exhibit typical brittle failure characteristics under stress. To mitigate this brittleness, fibers can be incorporated to enhance toughness. This study investigates the effects of varying polypropylene f
Externí odkaz:
https://doaj.org/article/1ae4b2d52c9046a2807d79aa7c15bdc0
Autor:
Osama Zaid, Syed Roshan Zamir Hashmi, Mohamed Hechmi El Ouni, Rebeca Martínez-García, Jesús de Prado-Gil, Saif Eldeen A.S. Yousef
Publikováno v:
Journal of Materials Research and Technology, Vol 24, Iss , Pp 7162-7188 (2023)
Presently, the rate for the development of ultra-high-performance concrete (UHPC) is increasing due to the requirement of long-span bridges, challenging architectural plans, and high-rise buildings. UHPC is still weak in tension and consumes a lot of
Externí odkaz:
https://doaj.org/article/cd25694221934468a3e4b41c902cd417
Publikováno v:
Buildings, Vol 14, Iss 4, p 924 (2024)
To examine the flexural toughness characteristics of textile-reinforced lightweight aggregate concrete (TRLC), a four-point bending test was conducted to assess the impact of varying numbers of textile layers and the inclusion of hydroxypropyl methyl
Externí odkaz:
https://doaj.org/article/4196ec0522ca40e59507fb36c1ce145c