Upper-bound solutions for the soil thrust of clay under a track system in 3D conditions

IF 2.4 3区 工程技术 Q3 ENGINEERING, ENVIRONMENTAL Journal of Terramechanics Pub Date : 2023-02-01 DOI:10.1016/j.jterra.2022.11.001
Sang Inn Woo , Sung-Ha Beak
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引用次数: 1

Abstract

This study proposes a quick and reliable method for estimating the soil thrust in clay ground for a tracked vehicle based on limit analysis in three-dimensional conditions. With respect to the shape and location of failure surfaces in clayey ground, block, triangular wedge, and trapezoidal wedge failure modes were considered. Between the upper-bound solutions from the different failure modes, the least upper-bound solution was proposed as the soil thrust. To verify the proposed solution, it was compared to the model test and numerical simulations for a track system over model clay ground. The proposed upper-bound solution is expected to produce a reliable soil thrust quickly in real time, especially for submerged heavy-weight remotely operated vehicles (ROVs).

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三维轨道系统下粘土土推力的上界解
本文提出了一种基于三维条件下极限分析的快速可靠的履带车辆粘土地基土推力估算方法。针对粘土地基破坏面形态和位置,分别考虑了块状、三角楔状和梯形楔状破坏模式。在不同破坏模式的上界解之间,提出了最小上界解作为土推力。为了验证所提出的解决方案,将其与模型粘土地面上轨道系统的模型试验和数值模拟进行了比较。提出的上限解决方案有望快速实时地产生可靠的土壤推力,特别是对于水下重型远程操作车辆(rov)。
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来源期刊
Journal of Terramechanics
Journal of Terramechanics 工程技术-工程:环境
CiteScore
5.90
自引率
8.30%
发文量
33
审稿时长
15.3 weeks
期刊介绍: The Journal of Terramechanics is primarily devoted to scientific articles concerned with research, design, and equipment utilization in the field of terramechanics. The Journal of Terramechanics is the leading international journal serving the multidisciplinary global off-road vehicle and soil working machinery industries, and related user community, governmental agencies and universities. The Journal of Terramechanics provides a forum for those involved in research, development, design, innovation, testing, application and utilization of off-road vehicles and soil working machinery, and their sub-systems and components. The Journal presents a cross-section of technical papers, reviews, comments and discussions, and serves as a medium for recording recent progress in the field.
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