Year: 2017
Type: article
Abstract: This paper presents the structure properties of hair fiber reinforced concrete beams (HF-RCB).The main objective of this research was to investigate the potential advantages of hair fiber for improving the structure properties of reinforced concrete beams.Furthermore, the potential of hair fiber as part shear reinforcement by increasing the stirrups spacing of beams considered and verified the structure applicability of the proposed materials.This research carried out by two methods experimental and consequently numerical modeling.The experimental work focused on two beams.First beam constructed with full shear reinforcement and without fiber (SI = 0 % and with V f = 0 %,) denoted as a control beam.Meanwhile, one more beam with full shear reinforcement (SI= 0 %) and with fiber volume fraction of V f = 1 % constructed respectively.The experimental work has been considered four point flexural test consequently numerical modeling with finite element method (FEM) software Abaqus for calibration and validation of experimental result considered.First, sensitivity analysis (mesh and time) continued up to acquire the best correlation with experimental results.Then, the experiment results of beams were used, for calibration in FEM modeling investigation.Once satisfactory results obtained parametric study on key parameters with three shear reinforcement arrangement (SI = 0 %, SI = 50 % and SI = 100 %) and together with six volume fraction (V f = 0 %, V f = 0.5 %, V f = 1 %, V f = 1.5 %, V f = 2 % and V f = 2.5 %) of hair fiber were carried out.The result comparison showed a good agreement between the experiment test and nonlinear finite element analysis NLFEA results.Generally this investigation demonstrated significant improvement on structure properties of beams by addition of hair fiber.
Source: IOSR Journal of Engineering
Author: Sayed Javid Azimi
Institutions: Takhar University, Ministry of Higher Education, Afghanistan
Language: English
Subfield: Civil and Structural Engineering
Field: Engineering
Domain: Physical Sciences
Open Access status: bronze
OpenAlex ID: W2586622151