Asian Journal of Civil Engineering
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Advance repairing technique for enhancement of stiffness of post-heated concrete cylinders
Asian Journal of Civil Engineering - Tập 22 - Trang 689-700 - 2021
The present study investigates the effectiveness of epoxy injection on the performance of post-heated concrete cylinders confined with carbon fiber-reinforced polymer composites (CFRP). A total of 42 standard dimensions (diameter of 150 mm × 300 mm) were tested under uniaxial compression. These cylinders were divided into two groups regarding the heating, i.e., un-heated and post-heated. Furthermo...... hiện toàn bộ
Analysis of mechanical properties of fly ash and bauxite residue based geopolymer concrete using ANN, Random Forest and Counter propagation neural network
Asian Journal of Civil Engineering -
Evolutionary optimization of machine learning algorithm hyperparameters for strength prediction of high-performance concrete
Asian Journal of Civil Engineering - Tập 24 - Trang 3121-3143 - 2023
High-performance concrete (HPC) is designed to be more efficient and shows a higher value of flowability, strength, and durability in comparison to conventional concrete. The strength property is the most critical parameter in concrete structure design it shows a high non-linear correlation with the mixed proportioned ingredients due to its heterogeneous characteristic. Laboratory methods of deter...... hiện toàn bộ
Output-only identification of a simplified onshore wind turbine model using a modified harmony search algorithm
Asian Journal of Civil Engineering - Tập 24 - Trang 897-903 - 2022
Structural identification plays an important part in the monitoring of sensitive structures such as onshore wind turbines. Due to the nature of wind, such structures are subjected to turbulent wind fields that cause aerodynamic excitations to the structure. Such turbulent wind fields are hard to be measured, thus output-only identification is required. Output-only identification is a hard category...... hiện toàn bộ
Predicting shear capacity of rectangular hollow RC columns using neural networks
Asian Journal of Civil Engineering - - Trang 1-12 - 2023
This study predicts the shear strength of rectangular hollow reinforced concrete (RC) columns using artificial neural network (ANN). A total of 120 experimental results are collected from literature and used for establishing the machine learning model. The results reveal that the proposed ANN model predicts the shear strength of rectangular hollow RC columns accurately with
...... hiện toàn bộ
Investigating the behavior of circular concrete filled PVC tube columns under concentric and eccentric load using FEM
Asian Journal of Civil Engineering - Tập 22 - Trang 589-603 - 2021
The purpose of this research is to investigate the response of concrete-filled composite tube column under concentric and eccentric loads. To evaluate the influence of PVC pipe on the behavior of concrete-filled composite tubes, concrete-filled PVC pipe (CFPT) were modeled by ABAQUS software. The results demonstrate that the presence of the PVC pipe makes the concrete column more ductile and have ...... hiện toàn bộ
Tensile behavior of grouted sleeve couplers connecting steel bars with transition splicing
Asian Journal of Civil Engineering - Tập 22 - Trang 1011-1017 - 2021
Grouted sleeve (GS) couplers have been widely used in precast concrete industry in non-seismic regions. However, for seismic applications, previous studies on precast reinforced concrete (RC) columns containing GS couplers showed disrupted plastic hinge formation in the sleeve region and thus limited ductility. Recently, a connection design detail was proposed and it showed significant improvement...... hiện toàn bộ
Parametric analysis of non-linear suspension system by optimal MR damper by rider model with sensor
Asian Journal of Civil Engineering - Tập 25 - Trang 1413-1425 - 2023
The MR damper parameters used in the vehicle model correspond to a real-world damper and are chosen so that the MR damper model characteristics match those of the experimental damper. The control and response statistics of a non-linear vehicle model utilising an MR damper are produced iteratively using the equivalent linearization method, and the findings are validated using rider optimisation (RO...... hiện toàn bộ
Transient responses of laminated composite plates
Asian Journal of Civil Engineering - Tập 22 - Trang 137-157 - 2020
This article deals with transient responses in terms of displacement and stresses in composite plates. Eight-node isoparametric elements with five degrees of freedom at each node are used to model the plate. First order shear deformation theory (FSDT) with proper shear correction factor is considered to simulate the strain parameters of the plate. The time history responses of the composite plates...... hiện toàn bộ
Machine learning models for predicting the axial compression capacity of cold‑formed steel elliptical hollow section columns
Asian Journal of Civil Engineering - - Trang 1-13
This study presents the performance of three machine learning (ML) models including gradient boosting regression trees (GBRT), artificial neural network model (ANN), and artificial neural network–particle swarm optimization (ANN-PSO) for predicting the axial compression capacity (ACC) of cold‑formed steel elliptical hollow section (EHS) columns. To achieve the goal, a set of 291 data is colle...... hiện toàn bộ
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