Results 1 to 10 of about 91,494 (228)

FRP bridges in Poland: state of practice [PDF]

open access: yesArchives of Civil Engineering, 2021
The state of the art in the field of composite polymer bridges in Poland is presented below. Such bridges were built from 1999. Some of them are fully composite polymer structure. Others are developed as hybrid structure. There are two kind of structures:
Tomasz Siwowski   +3 more
doaj   +1 more source

Regionalización de Caudales Máximos en Subcuencas del Arroyo Feliciano

open access: yesTecnología y Ciencia, 2022
El trabajo consiste en el estudio y regionalización de caudales máximos de las subcuencas del Arroyo Feliciano, considerando que este curso de agua posee una sola estación de aforo.
Matías Alejo Bidegorry   +7 more
doaj   +1 more source

Improved mechanical responses of GFRP composites with epoxy-vinyl ester interpenetrating polymer network

open access: yesPolymer Testing, 2021
Present investigation deals with development of glass fiber reinforced polymer (GFRP) composite with a matrix composed of a polymer blend of epoxy and vinyl ester.
B.N.V.S. Ganesh Gupta K   +3 more
doaj   +1 more source

VISUALIZACIÓN DE PROCESOS DE MICRODILATACIÓN INDUCIDOS POR LÁSERMEDIANTE EL USO DE INTERFEROMETRÍA HOLOGRÁFICA DIGITAL

open access: yesAnales (Asociación Física Argentina), 2023
This paper presents the use of digital holography interferometry applied to the study of microdilation process. The optical setup with the use of CCD cameras allowed to obtain interferograms on different study objects, whereas a localized ...
A. Götte   +6 more
doaj   +3 more sources

Axial behaviour of strengthened circular hollow reinforced concrete column with CFRP partial confinement

open access: yesActa Polytechnica CTU Proceedings, 2022
Circular hollow reinforced concrete column will experience deterioration due to many causes such as natural disaster, corrosion, low quality and others.
Ruqayyah Ismail   +4 more
doaj   +1 more source

Thermal analysis of postcured aramid fiber/epoxy composites

open access: yesReviews on Advanced Materials Science, 2021
In this study, aramid fiber-reinforced polymer (AFRP) composites were prepared and then postcured under specific heating/cooling rates. By dynamic mechanical analysis, the viscoelastic properties of the AFRP composites at elevated temperatures and under ...
Karvanis Konstantinos   +3 more
doaj   +1 more source

Investigation the behavior and shear ductility of RC deep beam strengthened by FRP [PDF]

open access: yesمجله مدل سازی در مهندسی, 2018
The demand for FRP materials has been increased over the past years for retrofitting or strengthening of reinforced concrete members. Several recent studies focused on the shear strengthening of reinforced concrete deep beams.
masumeh bahrami, reza ahayari
doaj   +1 more source

The Application of Particle Swarm Optimization and Artificial Neural Networks to Estimating the Strength of Reinforced Concrete Flexural Members [PDF]

open access: yesJournal of Soft Computing in Civil Engineering, 2017
The aim of this paper is a determination of the shear strength of fiber reinforced polymer reinforced concrete flexural members without stirrups. For this purpose, a neural network approach was used.
Reza Farahnaki
doaj   +1 more source

A Comparative Experimental Study on the Flexural Behavior of Geopolymer Concrete Beams Reinforced with FRP Bars [PDF]

open access: yesJournal of Rehabilitation in Civil Engineering, 2023
An environmentally friendly building system with suitable properties including durability can be made by using geopolymer concrete and FRP bars. The flexural behavior of geopolymer concrete beams made from Iran mines soil and reinforced with FRP and ...
Sanaz Moazzenchi, Asghar Vatani Oskouei
doaj   +1 more source

Creep analysis of the flax fiber-reinforced polymer composites based on the time–temperature superposition principle

open access: yesScience and Engineering of Composite Materials, 2023
Natural plant fiber-reinforced polymer composites (PFRP) have emerged as an environmental-friendly material in the construction industry, but their creep behavior is a critical concern for load-bearing structures.
Xu Bowen   +4 more
doaj   +1 more source

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