Results 21 to 30 of about 2,473 (215)

Deflection behaviour of FRP reinforced concrete beams and slabs: An experimental investigation [PDF]

, 2012
The flexural response of FRP RC elements is investigated through load–deflection tests on 24 RC beams and slabs with glass FRP (GFRP) and carbon FRP (CFRP) reinforcement covering a wide range of reinforcement ratios.
Al-Sunna, R., Guadagnini, M., Hajirasouliha, I., Pilakoutas, K.   +3 more
core   +1 more source

Experimental cyclic behavior of concrete interfaces with postinstalled reinforcing bars or alternative connectors

Structural Concrete, Volume 24, Issue 4, Page 5265-5283, August 2023., 2023
Abstract In this experimental campaign, concrete‐to‐concrete interfaces were examined under cyclic actions, crossed by postinstalled reinforcing bars or industrial steel screws. In addition, the effect of the embedment length and the roughness was investigated.
Vasiliki Palieraki, Erato Oikonomopoulou, Giovacchino Genesio, Elizabeth Vintzileou   +3 more
wiley   +1 more source

Flexural Behavior of UHPC Beams Reinforced with Macro-Steel Fibers and Different Ratios of Steel and GFRP Bars [PDF]

Journal of Rehabilitation in Civil Engineering
The flexural and shear behavior of ultra-high-performance fiber-reinforced concrete (UHPFRC) reinforced with different ratios of glass-fiber-reinforced polymer (GFRP) and conventional steel rebars is experimentally studied in this paper. For this purpose,
Yousef Abbasi Parvin, Taleb Moradi Shaghaghi, Masoud Pourbaba, Seyed Saeed Mirrezaei, Yousef Zandi   +4 more
doaj   +1 more source

Behavior of externally prestressed continuous beams with FRP/steel rebars under symmetrical/unsymmetrical loading: Numerical study

Case Studies in Construction Materials, 2022
This study examines the use of fiber reinforced polymer (FRP) rebars as an alternative to steel rebars in externally prestressed concrete (EPC) continuous beams to alleviate the corrosion problem.
Tiejiong Lou, Zhangxiang Li, Miao Pang
doaj   +1 more source

Effect of fiber dosage and prestress level on shear behavior of hybrid GFRP-steel reinforced concrete I-shape beams without stirrups [PDF]

, 2016
Corrosion of steel reinforcements embedded in concrete elements is generally known as one of the most common reasons that shorten the service life of the structures.
Barros, Joaquim A. O., Behbahani, Ali Edalat, Mazaheripour, Hadi, Soltanzadeh, Fatemeh   +3 more
core   +1 more source

Theoretical and experimental investigation of the time‐dependent relaxation rates of GFRP and BFRP reinforcement bars

Structural Concrete, Volume 24, Issue 2, Page 2800-2816, April 2023., 2023
Abstract Cracked concrete members with fiber‐reinforced polymer (FRP) reinforcement generally suffer from increased deflections compared to steel‐reinforced members due to FRP reinforcements' lower modulus of elasticity. An approach to counteract this problem can be the prestressing of the FRP reinforcement, which can significantly reduce member ...
Dominik Hiesch, Tilo Proske, Carl‐Alexander Graubner, Lukas Bujotzek, Redouan El Ghadioui   +4 more
wiley   +1 more source

Assessing the Influence of Local Rebar Strain Demand on the Cyclic Behavior and Repairability of Concrete Beams Reinforced with Steel and GFRP Rebars [PDF]

Journal of Rehabilitation in Civil Engineering
Yielding of longitudinal rebars in reinforced concrete (RC) elements leads to the localization of damage and consequently increases repair costs. Two options are available to mitigate this localization in rebar strain: the use of debonded-steel rebars or
Amir Azarpour, Saeed Tariverdilo, Mohammad Sheidaii   +2 more
doaj   +1 more source

Fibres for enhancing of the bond capacity between GFRP rebar and concrete [PDF]

, 2014
The effect of steel fibres (SF) and macro-polypropylene fibres (PPA) on the bond capacity between GFRP rebar and concrete has been studied in this work. A novel method using the equivalent bond strength to evaluate the bond toughness is proposed.
Aguiar, J. L. Barroso de, Ding, Yining, Ning, Xiliang, Pacheco-Torgal, F., Zhang, Yulin   +4 more
core   +1 more source

Replacement of steel rebars by GFRP rebars in the concrete structures

Karbala International Journal of Modern Science, 2018
Abstract Glass fiber reinforced polymer (GFRP) has been confirmed to be the solution as a major development in strengthened concrete technology. Synthesis of GFRP rebars by using the longitudinal glass fibers (reinforcement material) and unsaturated polyester resin with 1% MEKP (matrix material) via manual process.
Shahad AbdulAdheem Jabbar, Saad B.H. Farid   +1 more
openaire   +1 more source

Experimental Studies on Bond Performance of BFRP bars reinforced Coral Aggregate Concrete [PDF]

, 2019
As part of this study, has been developed a numerical method which allows to establish abacuses connecting the normal force with bending moment for a circular section and therefore to predict the rupture of this type of section.
A Altalmas, B Lyu, B Tighiouart, Chinese Standard, Chinese Standard, D Gao, D Gao, E Cosenza, F Micelli, H Ko, H Song, H Yu, IA Sharaky, K Pilakoutas, L Wang, L Wang, L Wang, L Wang, L Wang, LJ Malvar, M Antonietta Aiello, M Vilanova, O Gooranorimi, R Okelo, SH Yang, U Angst, W Xue, Y Zhao, Y Zhou, Z Dong   +29 more
core   +1 more source