International Journal of Civil Engineering
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CFD Evaluation of Regular and Irregular Breaking Waves on Elevated Coastal Buildings
International Journal of Civil Engineering - - Trang 1-26 - 2023
This paper aims to evaluate the impact of both regular and irregular breaking waves on elevated houses with various freeboard levels. Computational fluid dynamic (CFD) analysis was utilized, and numerical outputs were validated based on available experimental tests. The validated CFD results in terms of vertical impact forces were compared with existing empirical formulas to better understand the ...... hiện toàn bộ
Mix Design Method for Coating Mixed Mortar According to Influence of the Aggregate Type and Application Environment Conditions
International Journal of Civil Engineering - - 2024
No recent research was found regarding mix design for coating mortars. Those that exist (older ones) have limitations in use or specific materials. They are defined for the use of a certain equipment or specific condition and cannot be applied in other regions. An appropriate mix project needs to have a process that al-lows to obtain adequate proportions of the materials taking into account the di...... hiện toàn bộ
A Numerical Implementation of the Three-Dimensional Viscoelastic Model for Asphalt Mastic
International Journal of Civil Engineering - Tập 16 - Trang 543-551 - 2017
This paper presents a numerical implementation of the three-dimensional viscoelastic model to describe the behavior of asphalt mastic. Details of the numerical viscoelastic constitutive formulation implemented in a finite element code are presented and illustrated. Then, uniaxial tensile tests and torsion tests were conducted to determine the viscoelastic constitutive parameters at a temperature o...... hiện toàn bộ
An Experimental Approach for Characterisation of Concrete Damage Using the Wheatstone Bridge Circuit
International Journal of Civil Engineering - Tập 20 - Trang 75-89 - 2021
In this paper, a method for the detection of concrete damage under three bending test using Wheatstone bridge concept is presented. The damage is detected by monitoring a change in voltage drop (ΔV) at the Wheatstone bridge. Good correlations between crack opening and voltage drop and between damage variable and voltage drop were observed. Results of these tests confirmed that the voltage drop inc...... hiện toàn bộ
Two-Dimensional Dynamic Analysis of Alluvial Valleys Subjected to Vertically Propagating Incident SH Waves
International Journal of Civil Engineering - Tập 17 - Trang 823-839 - 2018
This study presents the formulation of a finite-element numerical method for the analysis of shear wave dispersion out of plane SH. Also, it evaluates the seismic behavior of alluvial valleys located in a semi-infinite rigid space. This formulation is implemented in computer codes in time domain. To examine the accuracy of the program, various examples are solved and some numerical considerations ...... hiện toàn bộ
Dynamic Simulation Model for Estimating In-situ Production Quantity of PC Members
International Journal of Civil Engineering - - 2020
Experimental Study of Pressure Fluctuation in Stilling Basins
International Journal of Civil Engineering - Tập 14 - Trang 13-21 - 2016
Stilling basins dissipate energy to form hydraulic jumps and rotational flows. Hydraulic jump and rotational current phenomenon produce pressure fluctuation at the bottom of stilling basins. In the present study, pressure fluctuations and their locations have been studied in a physical model of Namrod Dam. Results showed that fluctuations in presence of jump in the basin are high and, therefore, t...... hiện toàn bộ
Utilization of Natural and Waste Pozzolans as an Alternative Resource of Geopolymer Mortar
International Journal of Civil Engineering - Tập 16 - Trang 179-188 - 2016
The objective of this research was to investigate the engineering properties and mix design of geopolymer mortar made using fly ash, natural zeolite and ground granulated blast furnace slag as source material and combination of sodium hydroxide and sodium silicate as alkaline activator. To study the effect of sodium hydroxide concentration on compressive strength, three different sodium hydroxide ...... hiện toàn bộ
Effect of Dual CO2 Technologies on the Properties of Mortars with Slag Cement
International Journal of Civil Engineering - Tập 21 - Trang 1897-1909 - 2023
This research study aimed to investigate the effects of combining CO2 liquid and CO2 gas on the properties of mortars, both with and without slag cement. The study involved eight different mixtures, varying in slag cement content (0% and 30%), water source (normal water (NW) or carbonated water (CW)), and water-to-binder ratios (w/b) of 0.45 and 0.55. Two curing types were employed: normal or conv...... hiện toàn bộ
Improving Damaged Reinforced Concrete Beam Failure Behavior Using Externally Bonded UHPFRCCs System
International Journal of Civil Engineering - Tập 21 - Trang 67-79 - 2022
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
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