Results 31 to 40 of about 6,864 (214)

Condition assessment of concrete and glass fiber reinforced polymer (GFRP) rebar after 18 years of service life

open access: yesCase Studies in Construction Materials, 2021
Concrete and glass fiber reinforced polymer (GFRP) bar samples from an 18-year old repair project executed on an existing dry-dock were obtained by coring the dry dock in two regions.
Sivakumar Ramanathan   +3 more
doaj   +1 more source

Innovative Design of GFRP Bars for Concrete Structures

open access: yesAdvanced Materials Research, 2012
This part analyzed GFRP rebar’s research situation, summarized its behaviuor as internal reinforcement for concrete structures. The research has been developed over recent years, however the rules and standard codes for design RC concrete structures with these rebars not consider that the internal reinforcement can work in compression.
Almerich-Chulia, Ana   +3 more
openaire   +2 more sources

RC column strengthening by lateral pre-tensioning of FRP [PDF]

open access: yes, 2003
This paper presents a unique strengthening technique for existing concrete columns that use expansive materials to apply lateral pre-tensioning. The technique increases the capacity and ductility of a column as well as achieving better utilisation of the
Ahmad   +13 more
core   +1 more source

The Effects of Air and Underwater Blast on Composite Sandwich Panels and Tubular Laminate Structures

open access: yes, 2012
The resistance of glass-fibre reinforced polymer (GFRP) sandwich panels and laminate tubes to blast in air and underwater environments has been studied.
A Neuberger   +13 more
core   +1 more source

Thin FRP/GFRC structural elements [PDF]

open access: yes, 2008
This paper presents background work leading to the development of thin structural elements made of GFRC (Glass Fibre Reinforced Concrete) reinforced with FRP (Fiber Reinforced Polymer) bars.
Kim, G.B., Pilakoutas, K., Waldron , P.
core   +1 more source

Experimental and Numerical Investigation of Steel- and GFRP-Reinforced Concrete Beams Subject to Fire Exposure

open access: yesBuildings, 2023
This study investigates the behavior of three concrete beams reinforced with steel and GFRP bars under fire exposure. The fire tests of three beams were conducted including one control steel-reinforced concrete (RC) beam and two GFRP-RC beams.
Chanachai Thongchom   +6 more
doaj   +1 more source

Failure-mode-hierarchy-based design for reinforced concrete structures [PDF]

open access: yes, 2005
Innovations in concrete construction can be held back by the inability of codes of practice to accommodate new materials. The current design and safety philosophy (DSP) of reinforced concrete relies heavily on the properties of steel reinforcement.
Guadagnini, M.   +2 more
core   +1 more source

On the Factors That Determine the Bond Behaviour of GFRP Bars to Concrete: An Experimental Investigation

open access: yesBuildings, 2023
It is becoming accepted that glass-fibre-reinforced polymer (GFRP) is a credible and effective replacement for steel in reinforced concrete (RC) to meet structural requirements whilst addressing durability concerns posed by steel over the long term.
Rajeev Devaraj   +2 more
doaj   +1 more source

Shear resistance of SFRSCC short-span beams without transversal reinforcements [PDF]

open access: yes, 2016
Corrosion of steel reinforcements, especially stirrups, is considered as one of the most common reasons that shorten the service life of the reinforced concrete structures.
Barros, Joaquim A. O.   +3 more
core   +1 more source

Analysis of the bond stress when using GFRP bars

open access: yesHolos, 2021
For most of the structural solutions, the construction industry in Brazil is based on the use of conventional reinforced concrete elements composed of concrete and steel bars.
Gláucia Maria Dalfré   +4 more
doaj   +1 more source

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