International Journal of Civil Engineering

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Improving Damaged Reinforced Concrete Beam Failure Behavior Using Externally Bonded UHPFRCCs System
International Journal of Civil Engineering - Tập 21 - Trang 67-79 - 2022
Majed A. A. Aldahdooh, Rami J. A. Hamad, Mohammed J. K. Bashir, Norazura Muhamad Bunnori, Megat Azmi Megat Johari, Said Almaawali
This study aims to examine the failure behaviour of damaged reinforced concrete (RC) beams retrofitted using externally bonded ultra-high-performance fibre-reinforced cementitious composites (UHPFRCCs) systems at different levels of damage levels. To overcome the sudden failure in shear at supports, one strip of UHPFRCCs was bonded on the tension face with four short strips on vertical sides cover...... hiện toàn bộ
Variation of Resilient Modulus with Soil Suction for Cohesive Soils in South China
International Journal of Civil Engineering - Tập 16 - Trang 1655-1667 - 2018
Junhui Zhang, Junhui Peng, Jue Li, Jianlong Zheng
The resilient modulus, MR, of subgrade soils had been used extensively as an important unbound material property in the pavement design and analysis. The stress state and the humidity of cohesive soils have significant impacts on the resilient modulus. To predict the resilient modulus of cohesive soils in South China, the material indicator tests, an improved repeated load triaxial test and the pr...... hiện toàn bộ
Hanoi Cohesive Soil in Salt-Affected Conditions: Soil Properties and 2D Consolidation Analysis
International Journal of Civil Engineering - Tập 18 - Trang 137-150 - 2019
Nguyen Ngoc Truc, Lena Mihova
The paper focuses on the geotechnical experiments and numerical simulation of 2D consolidation analysis for the cohesive soils fully saturated by solutions of four salt concentrations, i.e. 0.0, 9.9, 19.8, and 33.0 g/L. The experiments were carried out on undisturbed soil samples taken from the boreholes in Hanoi area where the subsoil has not been affected by saline intrusion yet. The composition...... hiện toàn bộ
Modeling of Buckled Reinforcing Bars Including Effect of Lateral Expansion of Concrete Core
International Journal of Civil Engineering - - 2018
Hong Yang, Jiang Bin, Zhang Xin-zhi
Nonlinear Finite Element Modeling of Shear-Critical Reinforced Concrete Beams Using a Set of Interactive Constitutive Laws
International Journal of Civil Engineering - Tập 14 - Trang 507-519 - 2016
Vahid Broujerdian, Mohammad Taghi Kazemi
Complex nature of diagonal tension accompanied by the formation of new cracks as well as closing and propagating preexisting cracks has deterred researchers to achieve an analytical and mathematical procedure for accurate predicting shear behavior of reinforced concrete, and there is the lack of a unique theory accepted universally. Shear behavior of reinforced concrete is studied in this paper ba...... hiện toàn bộ
Investigation of Uncertainties in Nonlinear Seismic Analysis of the Reinforced Concrete Shear Walls
International Journal of Civil Engineering - Tập 19 - Trang 301-318 - 2020
Muhammet Karaton, Ömer Faruk Osmanlı, Mehmet Eren Gülşan
In this study, the use of the displacement-based fibre element (DBFE) method for modelling the nonlinear seismic response of reinforced concrete shear wall structures with a variation of damping ratios and types of structural damping is evaluated. The experimental seismic responses of the CAMUS I and NEES-UCSD shear wall structures are compared with nonlinear time-history analysis results obtained...... hiện toàn bộ
Cyclic Performance of Precast Concrete Columns Using Steel Box Connection
International Journal of Civil Engineering - Tập 15 Số 4 - Trang 663-676 - 2017
Hansapinyo, Chayanon, Buachart, Chinnapat, Wongmatar, Piyapong
This paper presents an evaluation on lateral cyclic behaviors of precast concrete columns using a steel box connection through experimental investigation. The test consisted of one monolithic reinforced concrete column as a reference and five precast concrete columns. All specimens had identical dimensions of 0.25 × 0.25 m2 cross-sectional area and 1.7 m height with a longitudinal reinfo...... hiện toàn bộ
A New Finite Element for Back Analysis of a Geogrid Reinforced Soil Retaining Wall Failure
International Journal of Civil Engineering - Tập 16 - Trang 435-441 - 2017
Omid Reza Barani, Majid Bahrami, Seyed Amirodin Sadrnejad
In this paper, a new approach for back analysis of a geogrid reinforced soil (GRS) wall failure is presented. A new zero-thickness cohesive fracture element is utilized to simulate the slip surface behind the GRS wall. This element can simulate displacement discontinuity as well as tractions across the shear band effectively. The numerical results are compared with the measured values from the phy...... hiện toàn bộ
Numerical and Experimental Study of the Optimal Location of Concrete Piles in a Saturated Sandy Slope
International Journal of Civil Engineering - Tập 16 - Trang 1293-1301 - 2017
Mohammad Hajiazizi, Moslem Bavali, Ali Fakhimi
The stability of a soil slope, reinforced by a concrete pile, is studied both experimentally and numerically in this work. Our study suggests that when the concrete pile is located in the middle of the slope (at x/r = 0.5), the soil structure collapses under a pressure of 10.9 kPa that is the highest overburden pressure to cause instability of the tested reinforced sandy slope. However, when the p...... hiện toàn bộ
Durability of CFRP-Wrapped Concrete Exposed to Hydrothermal Environment
International Journal of Civil Engineering - Tập 16 Số 5 - Trang 527-541 - 2018
Xie, Zhihong, Xie, Jianhe, Guo, Yongchang, Huang, Yaohong
In recent years, it has become increasingly common to strengthen concrete by wrapping carbon fibre reinforced polymer (CFRP) laminates to improve its compressive strength and ductility. However, studies on the durability of CFRP-confined concrete are relatively scarce, which could significantly hinder the application of CFRP in structural reinforcement. An experimental study was conducted to inves...... hiện toàn bộ
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