对斜坡的弹性评估框架考虑多个绩效指标
Shiyuan Ju1,2, Jinqing Jia3,4, Yong Zhao5
1School of Civil Engineering, Dalian University of Technology, Dalian, 116024, China.
Scientific reports
|January 23, 2025
概括
本研究引入了一个新的弹性评估框架,用于斜坡,增强在干扰期间的性能评估. 开发的模型准确地反映了斜坡性能变化,提高了安全性,并为未来的斜坡工程研究提供了信息.
科学领域:
- 地质技术工程 地质技术工程
- 土木工程 土木工程是指土木工程.
- 环境科学 环境科学
背景情况:
- 斜坡性能评估对于干扰下的安全至关重要.
- 现有的弹性模型难以准确地捕捉斜坡工程特征.
- 需要针对斜坡进行专门的弹性评估模型.
研究的目的:
- 开发一个新的弹性评估模型和评估框架,专门用于斜坡.
- 为了准确地反映干扰和恢复期间的斜坡性能变化.
- 为工程应用在坡度稳定方面提供实用工具.
主要方法:
- 根据工程特征提出了一个典型的斜坡性能曲线.
- 导出了倾斜弹性指标的计算公式.
- 建立了一个多指标系统,并使用CRITIC理论来权衡斜坡性能指标.
主要成果:
- 开发的框架准确地评估了干扰和恢复期间的斜坡性能变化.
- 拟议的弹性指标比现有模型高23.4%.
- 通过一个涉及挖掘和降雨的案例研究证明了适用性.
结论:
- 该研究提出了首个针对斜坡量身定制的弹性评估框架.
- 与现有方法相比,该框架更准确地反映了斜坡弹性.
- 这项研究为未来在斜坡弹性工程方面的研究提供了基础.
相关概念视频
Design Example: Analyzing Capacity Contours for Flood Risk Assessment
39
Flood risk assessment involves careful planning and analysis to ensure the safety of communities near water retention structures. Capacity contours are a vital tool in this process, as they illustrate the potential spread of water at specific levels in a given area. In the context of building a bund across a small valley, these contours play a critical role in evaluating the safety of nearby residential areas.In this example, the bund is intended to store stormwater in the valley. The engineers...
39
Design Example: Maintaining Level of an Embankment
51
Constructing a roadway embankment over uneven terrain requires precise leveling to ensure stability and proper drainage. Surveyors use a leveling instrument and staff to calculate ground elevations and determine the required fill material at each point along the embankment alignment.The process begins by positioning a leveling instrument near a benchmark with a known elevation. A backsight reading establishes the instrument height, which serves as a reference for subsequent measurements. A...
51
Design Consideration
180
Designing a structure involves a series of considerations, primarily the material's ultimate strength, calculated through tests that measure changes under increased force until the material reaches its breaking point or limit. The ultimate load, where the material breaks, is divided by its original cross-sectional area, resulting in the ultimate normal stress or strength. The ultimate shearing stress is another significant factor taken into account.
The factor of safety is another key...
The factor of safety is another key...
180
Response Surface Methodology
88
Response Surface Methodology (RSM) is a collection of statistical and mathematical techniques used to develop, improve, and optimize processes. It is particularly valuable when many input variables or factors potentially influence a response variable.
The process of RSM involves several key steps:
The process of RSM involves several key steps:
88
Beams with Unsymmetric Loadings
111
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...
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...
111
Multiple Regression
2.9K
Multiple regression assesses a linear relationship between one response or dependent variable and two or more independent variables. It has many practical applications.
Farmers can use multiple regression to determine the crop yield based on more than one factor, such as water availability, fertilizer, soil properties, etc. Here, the crop yield is the response or dependent variable as it depends on the other independent variables. The analysis requires the construction of a scatter plot...
Farmers can use multiple regression to determine the crop yield based on more than one factor, such as water availability, fertilizer, soil properties, etc. Here, the crop yield is the response or dependent variable as it depends on the other independent variables. The analysis requires the construction of a scatter plot...
2.9K


