Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Alaa El-Sisi"'
Publikováno v:
Case Studies in Construction Materials, Vol 20, Iss , Pp e03226- (2024)
Replacement of fine aggregate with crumb rubber (CR) in concrete manufacturing has become necessary to reduce environmental problems resulting from the traditional disposal of waste tires and to produce environment-friendly concrete. The main problem
Externí odkaz:
https://doaj.org/article/a3a229d7a8c8452c839a3db9a772fdd9
Publikováno v:
CivilEng, Vol 4, Iss 4, Pp 1233-1242 (2023)
The need for openings in RC structures has increased, but their presence significantly affects the performance and strength of the structures. While small openings can be managed with additional reinforcement, dealing with large openings in reinforce
Externí odkaz:
https://doaj.org/article/02323c96580e4d1185c1c638f47e38b6
Publikováno v:
Frattura ed Integrità Strutturale, Vol 17, Iss 66, Pp 1-16 (2023)
In this paper, an experimental and numerical study was achieved to investigate the behavior of masonry beams internally reinforced using carbon fiber-reinforced polymer (CFRP) and hybrid steel/CFRP reinforcements. Three beams were built using concret
Externí odkaz:
https://doaj.org/article/cc7372d5e6ea4afd983bed5075349897
Publikováno v:
Polymers, Vol 16, Iss 14, p 2040 (2024)
Since buildings are designed to endure over time, it is crucial to comprehend how laminated glass (LG) windows, and consequently, the polymer interlayer materials, respond to weathering. This paper explores the impact of accelerated humidity on the m
Externí odkaz:
https://doaj.org/article/ff18bb0694d24474937f8a3e09c30659
Publikováno v:
Journal of Composites Science, Vol 8, Iss 7, p 274 (2024)
Friction-type bolted joints are widely used in both the civil and aerospace industries. Uncontrolled excessive bolt clamping force can cause damage to the laminated fiber-reinforced polymeric (FRP) composite through the thickness and damage the joint
Externí odkaz:
https://doaj.org/article/f9047f83148245d5bee4f67825f7b3e4
Publikováno v:
CivilEng, Vol 3, Iss 4, Pp 1061-1076 (2022)
The fiber-reinforced polymeric (FRP) composite can be joined by adhesive bonding or mechanically fastening the composite element. Carbon fiber-reinforced polymers (CFRP) and glass fiber-reinforced polymers (GFRP) are the most common types of polymers
Externí odkaz:
https://doaj.org/article/64ca044130aa4b17b9b8894d0c4c6011
Publikováno v:
Biomedicine & Pharmacotherapy, Vol 154, Iss , Pp 113562- (2022)
Background: Hypoxic microenvironment of colon cancer is associated with HIF-1α upregulation. HIF-1α response elements are responsible for autophagy induction that promotes tumor proliferation. Moreover, HIF-1α induces tumor cell proliferation via
Externí odkaz:
https://doaj.org/article/0830c587973c4e05b10f2d49fbebb5fc
Publikováno v:
Frattura ed Integrità Strutturale, Vol 15, Iss 57, Pp 70-81 (2021)
A substantial amount of work was carried out on the use of fiber-reinforced polymer (FRP) in reinforced concrete structural elements, which demonstrated considerable inelasticity or deformity through monotonic and cyclic loads. Even so, the action of
Externí odkaz:
https://doaj.org/article/522a4c240e0e493f865307b67db0d97b
Publikováno v:
Frattura ed Integrità Strutturale, Vol 14, Iss 52, Pp 197-210 (2020)
Experimental and numerical programs were conducted to investigate the effect of concrete cover and area of main steel reinforcement on the flexural behavior of strengthened RC beams by near-surface mounted glass fiber reinforced polymeric (NSM GFRP)
Externí odkaz:
https://doaj.org/article/1484bc2ccc0e40fb85aceb89dcf60446
Publikováno v:
PPAR Research, Vol 2013 (2013)
Background. Activation of PPARα modulates cholesterol metabolism and suppresses bile acid synthesis. This study aims to evaluate the effect of PPARα agonists, fenofibrate, bezafibrate, and gemfibrozil, on acute cholestasis induced by ethinylestradi
Externí odkaz:
https://doaj.org/article/a56f26724f0246669737ff414c4657e9