Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Relation Between the Distributed Load and Shear01:23

Relation Between the Distributed Load and Shear

629
Understanding the relationship between the distributed load and shear force in structural analysis is crucial for analyzing beams subjected to various loading conditions. Consider the case of a beam experiencing a distributed load, two concentrated loads, and a couple moment.
629
Load along a Single Axis01:29

Load along a Single Axis

293
In structural engineering, the analysis of beams subjected to varying loads is a critical aspect of understanding the behavior and performance of these structural elements. A common scenario involves a beam subjected to a combination of different load distributions.
Consider a beam of length L subjected to a varying load, which is a combination of parabolic and trapezoidal load distribution along the x-axis. In this case, it is essential to determine the resultant loads, their locations, and...
293
Elastic Curve from the Load Distribution01:16

Elastic Curve from the Load Distribution

169
The structural behavior of beams under distributed loads is critical for engineering analysis, which focuses on predicting how beams bend and react under such conditions. Different types of beams (e.g., cantilever, supported, or overhanging) behave differently under distributed load conditions.
For all beams, the analysis of the beam's reaction to distributed loads begins by understanding the relationship between a beam's load and the resulting shear forces and bending moments.
169
Distributed Loads: Problem Solving01:21

Distributed Loads: Problem Solving

636
Beams are structural elements commonly employed in engineering applications requiring different load-carrying capacities. The first step in analyzing a beam under a distributed load is to simplify the problem by dividing the load into smaller regions, which allows one to consider each region separately and calculate the magnitude of the equivalent resultant load acting on each portion of the beam. The magnitude of the equivalent resultant load for each region can be determined by calculating...
636
PD Controller: Design01:26

PD Controller: Design

203
In automotive engineering, car suspension systems often employ Proportional Derivative (PD) controllers to enhance performance. PD controllers are utilized to adjust the damping force in response to road conditions. A controller, acting as an amplifier with a constant gain, demonstrates proportional control, with output directly mirroring input.
Designing a continuous-data controller requires selecting and linking components like adders and integrators, which are fundamental in Proportional,...
203
Beams with Unsymmetric Loadings01:17

Beams with Unsymmetric Loadings

113
Analyzing a supported beam under unsymmetrical loadings is essential in structural engineering to understand how beams respond to varied force distributions. This analysis involves calculating the deflection and identifying points where the slope of the beam is zero, which are crucial for ensuring structural stability and functionality.
The first moment-area theorem determines the slope at any point on the beam. This theorem indicates that the change in slope between two points on a beam...
113

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Multi-View Causal Feature Selection.

IEEE transactions on pattern analysis and machine intelligence·2026
Same author

Prenucleation Clusters Assisting Development of Two Photoluminescent CdTeS Magic-Size Clusters with Optical Absorption Doublets.

The journal of physical chemistry letters·2026
Same author

Similar Prenucleation Clusters in Hot-Injection and Heating-Up Approaches to CdS Colloidal Semiconductor Quantum Dots.

The journal of physical chemistry letters·2026
Same author

Environmental Polarity Regulating Development of Magic-Size Clusters and Quantum Dots from CdTe Prenucleation Clusters.

Inorganic chemistry·2026
Same author

Prenucleation Clusters as Intermediates in Shell Development via Monomer Addition Onto Photoluminescent Quantum Dots.

Small (Weinheim an der Bergstrasse, Germany)·2026
Same author

Artificial Symbiosis for Bulk Production of Bacterial Cellulose Composites.

Advanced materials (Deerfield Beach, Fla.)·2026
Same journal

Application of ephrin-B2 loaded glycol chitosan-silk fibroin hydrogel in the treatment of diabetic refractory wounds.

Scientific reports·2026
Same journal

International expert Delphi consensus on thromboprophylaxis in metabolic and bariatric surgery.

Scientific reports·2026
Same journal

Assessing the cross-region knowledge transfer capability of selected deep learning building vectorization methods in the context of available training datasets.

Scientific reports·2026
Same journal

Feasibility and preliminary effects of outdoor versus indoor cognitive-motor therapy in women with Alzheimer's disease: A randomized single-blind pilot study.

Scientific reports·2026
Same journal

Hallmarks of social action in the vocal turn-taking of wild common marmosets (Callithrix jacchus).

Scientific reports·2026
Same journal

Role and mechanism of AOPPs-induced NOX4-mediated ferroptosis in intervertebral disc degeneration.

Scientific reports·2026
查看所有相关文章

相关实验视频

Updated: Jun 17, 2025

Evaluating the Effect of Roadside Parking on a Dual-Direction Urban Street
14:55

Evaluating the Effect of Roadside Parking on a Dual-Direction Urban Street

Published on: January 20, 2023

3.3K

使用交通成像进行桥梁动态响应分析和负载识别方法.

Liang Tang1, Xiao-Bei Liu2, Yi-Jun Liu3

  • 1College of Civil Engineering, Chongqing Jiaotong University, Chongqing, China.

Scientific reports
|August 13, 2024
PubMed
概括
此摘要是机器生成的。

这项研究引入了一种新的方法,用于使用交通监控视频识别桥梁车辆负载. 这种非接触式方法为监控中小型桥梁提供了成本效益高的解决方案,无需额外的硬件.

关键词:
桥梁载荷识别识别 桥梁载荷识别移位影响表面的移位.动态响应的动态响应交通图像中的交通图像.

更多相关视频

Simulation of Human-induced Vibrations Based on the Characterized In-field Pedestrian Behavior
10:52

Simulation of Human-induced Vibrations Based on the Characterized In-field Pedestrian Behavior

Published on: April 13, 2016

8.8K
Evaluation of an Exclusive Spur Dike U-Turn Design with Radar-Collected Data and Simulation
11:41

Evaluation of an Exclusive Spur Dike U-Turn Design with Radar-Collected Data and Simulation

Published on: February 1, 2020

20.3K

相关实验视频

Last Updated: Jun 17, 2025

Evaluating the Effect of Roadside Parking on a Dual-Direction Urban Street
14:55

Evaluating the Effect of Roadside Parking on a Dual-Direction Urban Street

Published on: January 20, 2023

3.3K
Simulation of Human-induced Vibrations Based on the Characterized In-field Pedestrian Behavior
10:52

Simulation of Human-induced Vibrations Based on the Characterized In-field Pedestrian Behavior

Published on: April 13, 2016

8.8K
Evaluation of an Exclusive Spur Dike U-Turn Design with Radar-Collected Data and Simulation
11:41

Evaluation of an Exclusive Spur Dike U-Turn Design with Radar-Collected Data and Simulation

Published on: February 1, 2020

20.3K

科学领域:

  • 土木工程 土木工程是指土木工程.
  • 结构健康监测 结构健康监测
  • 计算机视觉 计算机视觉

背景情况:

  • 车辆负载是监测桥梁健康状况的关键参数.
  • 传统的移动权衡 (WIM) 系统和基于传感器的方法通常对中小型桥梁来说是不切实际的.
  • 需要非接触式,具有成本效益的负载监控解决方案.

研究的目的:

  • 通过使用交通监控视频数据,提出和验证一种用于识别桥梁车辆负载的新方法.
  • 为了使桥梁结构响应的非接触测量.
  • 为广泛的桥梁健康监测提供负载统计信息.

主要方法:

  • 利用交通监控视频数据来检测目标点的子像素位移.
  • 采用图像检测算法进行桥梁结构响应的非接触测量.
  • 建立了一个时空关系模型,将结构位移,车辆负载和负载分布联系起来.

主要成果:

  • 模型桥测试显示,与接触传感器 (LVDT) 相比,移位测量的偏差不到10%.
  • 实地测试显示,重型车载 (12-18) 的平均估计偏差约为18%.
  • 该方法准确地反映了结构位移特性,并符合工程要求.

结论:

  • 提出的基于视频的方法是桥梁车辆负载识别的可行和有效方法.
  • 它提供了一种新的技术途径,可以在没有额外的硬件的情况下获取桥梁负载信息.
  • 这种方法特别适用于中小型桥梁的健康监测.