有限半空间农业均匀土的承载能力

IF 2.4 3区 工程技术 Q3 ENGINEERING, ENVIRONMENTAL Journal of Terramechanics Pub Date : 2023-06-01 DOI:10.1016/j.jterra.2023.03.001
Nihal D. Salman , György Pillinger , György Sitkei , Péter Kiss
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引用次数: 0

摘要

综合板沉方程是描述土体承载力的必要条件。在上个世纪,对现有方程进行了几次改进,但收效甚微。本文的主要目的是验证、评价和发展有限半空间土的承载力理论。农业土壤可以看作是一个有限的半空间,其中耕作的土层与荷载直径相当。较硬的土壤在耕作的土层下面,这种坚硬的土壤可以被认为是刚性层。一个新的考虑是在加载装置下形成的压实锥形区及其可能与刚性底表面的相互作用。本文的理论和实验研究表明,这些方法有助于推导有限半空间下有效的新关系。这包括两个自变量和发展无因次承载数。本文提出了一种新的无量纲板沉方程,以一般形式描述了土体的变形。
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Load bearing capacity of finite half space agricultural homogeneous soil

A comprehensive plate-sinkage equation is necessary for the description of the load bearing capacity of soils. In the last century, several improvements to the existing equations were attempted but with limited success. The main aim of this paper is to verify, evaluate and develop a load bearing capacity theory of finite half space soil. Agricultural soils may be regarded as a finite half space in which the tilled soil layer is comparable to the loading diameter. Harder soil is found below the tilled soil layer and this hard soil can be considered as a rigid layer. A new consideration is the compacted cone-shaped zone developing under a loading device and its possible interaction with the rigid bottom surface. Theoretical and experimental investigations reported in this paper have shown that these approaches have facilitated deriving new relationships valid for finite half space. These include two independent variables and developing a dimensionless load bearing number. This paper introduces a new dimensionless plate-sinkage equation describing soil deformation in a general form.

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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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