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Experimental Study on Axial Compression of an Insulating Layer through a Composite Shear Wall

open access: yesAdvances in Civil Engineering, 2021
Based on the research of composite walls at home and abroad, a construction method of continuous opening of the insulation layer in the specimen is proposed.
Yuliang Wang, Congcong Wang, Zhixing Cao
doaj   +1 more source

基于差分进化-人工神经网络的沉积河谷地震动放大效应预测模型

open access: yesDizhen xuebao, 2022
探讨了基于差分进化-人工神经网络构建沉积河谷地震响应代理模型的可行性。首先建立沉积河谷对地震波散射的求解方法,以半圆形、V形沉积河谷为例,以入射波条件、沉积内外介质属性、场地形状为特征参数,以沉积河谷地震动放大系数为预测目标参数,构建数据集;其次,建立沉积河谷地震动放大效应人工神经网络、差分进化-人工神经网络算法预测模型,对比两种算法计算精度和稳定性,并进行了特征参数敏感性分析。结果表明:人工神经网络能较好地预测沉积河谷地震动放大效应,使差分进化-人工神经网络预测模型的精度和稳定性显著提高 ...
Sibo Meng, Jiawei Zhao, Zhongxian Liu
doaj   +1 more source

Research Progress and Applications of Fe-Mn-Si-Based Shape Memory Alloys on Reinforcing Steel and Concrete Bridges

open access: yesApplied Sciences, 2023
In civil engineering, beam structures such as bridges require reinforcement to increase load-bearing capacity and extend service life due to damage, aging, and capacity degradation under long-time services and disasters. The utilization of Fe-based shape
Xuhong Qiang   +3 more
doaj   +1 more source

Reinforcement of Timber Beams with Steel Bars: Parametric Analysis Using the Finite Element Method

open access: yesBuildings, 2022
Incorporating steel bars as reinforcement in glued laminated timber beams is a technique that aims at better structural performance, allowing the reduction of cross-sections.
André Luis Christoforo   +6 more
doaj   +1 more source

Dynamic Response of Structurally Reinforced Wing Leading Edge against Soft Impact

open access: yesAerospace, 2022
In this current research, a commercial aircraft metallic leading edge structurally reinforced with a Y-shaped and V-shaped plate system is numerically examined to investigate the effectiveness of such reinforcements against soft impacts, more commonly ...
Muhammad Azeem Aslam   +2 more
doaj   +1 more source

Flexural Performance of Concrete Beams Reinforced with Epoxy Resin/Glass and Carbon Fibers Composites

open access: yesMaterials Research, 2021
Factors such as project and execution errors, lack of maintenance and inspection, and increases in loading can cause deficiencies to reinforced concrete structures.
Tiago Teixeira da Silva Braga   +4 more
doaj   +1 more source

Structural reinforcement-based graph convolutional networks

open access: yesConnection Science, 2022
Graph Convolutional Network (GCN) is a tool for feature extraction, learning, and inference on graph data, widely applied in numerous scenarios. Despite the great success of GCN, it performs weakly under some application conditions, such as a multiple ...
Jisheng Qin, Qianqian Wang, Tao Tao
doaj   +1 more source

Main problems and countermeasures of girth welds of oil and gas pipelines

open access: yesYou-qi chuyun, 2021
In order to solve the problem of girth weld failure of high-grade pipelines and improve the safety of oil and gas pipelines in China, the influencing factors of girth weld failure of pipelines were systematically analyzed.
Xiaowei CHEN, Duihong ZHANG, Xu WANG
doaj   +1 more source

Semianalytical Solution and Parameters Sensitivity Analysis of Shallow Shield Tunneling-Induced Ground Settlement

open access: yesAdvances in Materials Science and Engineering, 2017
The influence of boundary soil properties on tunneling-induced ground settlement is generally not considered in current analytic solutions, and the hypothesis of equal initial stress in vertical and horizontal makes the application of the above solutions
Jifeng Liu, Huizhi Zhang
doaj   +1 more source

Microstructures, Mineral Compositions, and Mechanical Properties of Red-Layers in Southern China

open access: yesAdvances in Materials Science and Engineering, 2018
In order to reveal the water-induced damage mechanism and mechanical properties of red-layers in Southern China, typical red-layer samples are experimentally studied by scanning electron microscope (SEM), energy spectrum analysis, XRD, and mechanical ...
Huizhi Zhang, Jifeng Liu
doaj   +1 more source

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