优化钢堆配置,以提高在广的土壤基础上的提拔阻力
Abhishek Sharma1, Anjana Kumari2, Abdullah H Alsabhan3
1University Centre for Research and Development, Chandigarh University, Mohali, Punjab, India.
Scientific reports
|July 30, 2025
概括
这项研究分析了在广的土壤中钢堆拉出. 3D的最佳间距提高了组的效率,改善了提升能力和基础设计.
科学领域:
- 地质技术工程 地质技术工程
- 土壤力学 土壤力学
- 基金会工程工程基金会工程
背景情况:
- 由于体积变化,膨胀的土壤对基础稳定性构成挑战.
- 在这样的环境中,钢柱对于基础设施至关重要.
- 预测拉出行为对于安全高效的基础设计至关重要.
研究的目的:
- 为了预测钢堆在和膨胀土壤中的拉出行为.
- 评估堆参数 (长度,直径) 和间距对提升能力的影响.
- 为了评估各种配置中的杆的集体效率.
主要方法:
- 使用PLAXIS 3D软件的有限元素方法 (FEM).
- 对单个和组堆 (2x2,3x3,4x4配置) 的数值分析.
- 研究中心到中心间距 (2.5D,3D,3.5D) 和10%的直径位移.
主要成果:
- 增加堆长度和直径显著提高了拉出能力.
- 集团效率随着堆数量的增加而下降.
- 3D的最佳间距通过最大限度地减少负面相互作用来最大限度地提高组效率.
结论:
- 尺寸和间距极大地影响扩张性土壤中的提升阻力.
- 3D的间距被确定为组堆系统的最佳.
- 这些发现有助于在具有挑战性的土壤条件下对基础的实际设计和优化.
相关概念视频
Impact Strength of Concrete
334
Impact strength in concrete is a critical measure that reflects the material's capability to endure the forces applied during pile driving and when supporting machinery foundations that experience impulsive loads. It is also essential when handling precast concrete components to prevent accidental damage. The impact strength is assessed by observing the concrete's resistance to repeated impacts and energy absorption capacity. A key indicator of significant damage to concrete is when it...
334
Posttensioned Masonry Walls
202
Post-tensioned masonry walls use high-strength steel rods or flexible tendons to enhance the strength and efficiency of masonry structures. These elements are securely anchored to the foundation and extend vertically either within the cores of the masonry units or between the masonry wythes. The construction process involves building the wall with these tensioning elements in place and allowing the mortar to fully cure.
Following the curing process, the tensioning begins. Steel rods are...
202
Design Consideration
323
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...
323
Design of Columns under an Eccentric Load
713
Designing columns to withstand eccentric loads is a critical aspect of structural engineering, ensuring structures can support off-center loads without failure. This design process must account for the additional normal stresses introduced by eccentric loading, which can significantly influence a column's stress distribution and overall stability. An eccentric load applied to a column induces normal stresses that can be conceptualized as a combination of stresses due to an equivalent...
713
Design of Columns under a Centric Load
184
The design of columns under centric load is a fundamental aspect of structural engineering and is critical for ensuring the stability and integrity of structures. Euler's and Secant's formulas are central to understanding and calculating the critical load and deformation behaviors of columns, providing a basis for safe and effective structural design.
Euler's formula is applicable under the assumption that the column is a perfect, straight, homogenous prism, and it is operating...
Euler's formula is applicable under the assumption that the column is a perfect, straight, homogenous prism, and it is operating...
184
Eccentric Loading
500
Eccentric loading is a crucial concept in the study of structural engineering and mechanics, particularly when analyzing the stability and stress distribution in columns. Unlike centric loading, where the force is applied along the centroidal axis, causing uniform compression, eccentric loading occurs when a force is applied off-center. This off-center application introduces not only direct compressive stress but also bending stress, significantly influencing the column's behavior under...
500


