垃圾填埋场的近三维坡度稳定性分析基于双断裂
Chong Chen1, Huayong Lv2, Zhanbo Cheng3
1Ansteel Beijing Research Institute Co., Ltd, Beijing, 102209, China.
Scientific reports
|March 23, 2024
概括
一种新的双方法增强了废弃物倾倒坡度稳定性分析. 这种方法准确地模拟复杂的滑动表面,为工程实践提供了更简单,更快的替代方案,并改进了安全因子计算.
科学领域:
- 地质技术工程 地质技术工程
- 斜坡稳定性分析
背景情况:
- 基础较弱的垃圾场倾斜处表现出复杂的多边形滑动表面.
- 传统的极限平衡切片方法很难准确地建模这些复杂的几何形状.
研究的目的:
- 提出一种新的双式计算方法,用于分析基础薄弱的废弃物倾倒坡道.
- 开发一种含有几何和滑动方向影响的准3D稳定性分析方法.
主要方法:
- 应用到双的极限平衡分析,考虑间的力.
- 准3D稳定性分析包括斜率几何学和滑动方向.
- 与强度降低方法相对验证.
主要成果:
- 拟议的双方法为滑动车身部分提供了0.76到0.92之间的安全系数.
- 获得了0.817的准3D理论安全系数.
- 结果与强度降低方法密切一致,表明了拟议方法的有效性.
结论:
- 双方法准确地模拟了废弃物倾倒坡道中的复杂滑动表面.
- 准3D双方法为工程斜坡稳定性评估提供了更简单,更快的方法.
- 该方法适用于需要快速评估的实际工程应用.
相关概念视频
Wedges
1.1K
A wedge is a simple machine that serves various purposes, such as adjusting the elevation of structural or mechanical parts, providing stability for heavy objects, and splitting a body into two parts. This versatile tool can amplify an applied force, making it easier to manipulate large or heavy objects.
Consider using a wedge to lift a heavy slab. Here, the wedge functions by converting the applied force into a much larger force directed almost perpendicular to the initial force. This...
Consider using a wedge to lift a heavy slab. Here, the wedge functions by converting the applied force into a much larger force directed almost perpendicular to the initial force. This...
1.1K
Beams with Unsymmetric Loadings
119
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...
119
Design Example: Maintaining Level of an Embankment
61
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...
61
Slump Test
215
The slump test is a widely used method to measure the workability of concrete. It employs a 12-inch high truncated cone mold that tapers from eight inches at the base to four inches at the top. Before testing, the mold is securely attached to a flat base and dampened.
Concrete is poured into the mold in three layers to conduct the test. Each layer is compacted 25 times with a steel tamping rod, which has a five-eighths-inch diameter and a rounded end, to ensure even distribution and eliminate...
Concrete is poured into the mold in three layers to conduct the test. Each layer is compacted 25 times with a steel tamping rod, which has a five-eighths-inch diameter and a rounded end, to ensure even distribution and eliminate...
215
Free-body Diagrams: Problem Solving
672
Free-body diagrams are essential tools for physicists and engineers studying the motion of objects. Free-body diagrams are graphical representations of the object or system under consideration, and they focus solely on the essential forces acting on the object. This tool helps break down complex problems into simpler models that are easier to understand and solve.
For example, consider a block with a mass of 10 kg released on an inclined plane at an angle of 30° to the horizontal, where...
For example, consider a block with a mass of 10 kg released on an inclined plane at an angle of 30° to the horizontal, where...
672
Method of Superposition
838
The method of superposition is a crucial technique in structural engineering, used to analyze the effect of multiple loads on beams. This approach involves calculating the deflection and slope for each load on a beam separately, and then summing these effects to determine the overall impact. It is applicable only when the beam material remains within its elastic limit, ensuring that deformations are linearly elastic.
When applying the method of superposition, each type of load—whether...
When applying the method of superposition, each type of load—whether...
838


