Single variable model of soil structural parameters under confined compression condition

CHEN Xi; LUO Ya-sheng; CHENG Da-wei; GUO Hong

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Single variable model of soil structural parameters under confined compression condition

更新时间：2026-06-25

- Single variable model of soil structural parameters under confined compression condition
- Vol. 34, Issue 5, (2013)
- 作者机构：
  
  西北农林科技大学水利与建筑工程学院，陕西杨凌,712100
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU435
- Online First：14 May 2013，
  
  Published：2013
- 稿件说明：
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CHEN Xi, LUO Ya-sheng, CHENG Da-wei, et al. Single variable model of soil structural parameters under confined compression condition[J]. 2013, 34(5).
DOI：

CHEN Xi, LUO Ya-sheng, CHENG Da-wei, et al. Single variable model of soil structural parameters under confined compression condition[J]. 2013, 34(5). DOI：

摘要

通过分析侧限压缩条件下基于应变考虑的土结构性参数和基于应力考虑的土结构性参数，给出了结构性参数的统一表达式，即采用割线模量表示的土体结构性参数。这种表示的积极意义在于避免了初始状态下基于应变考虑的土结构性参数和基于应力考虑的土结构性参数均无法求解的现象。构建了以主动作用为单变量描述的土体结构性参数模型，即基于相同应力方法的土结构性参数模型和基于相同应变方法的土结构性参数模型，并对杨凌黄土的原状样、重塑样和饱和样进行侧限压缩试验。通过试验值和计算值的比较，检验了模型的合理性。研究结果表明，试验值和计算值能够较好吻合。采用主动作用为单变量描述的土体结构性参数直观地反映主动作用对土体结构性的影响，同时简化结构性参数计算过程，实现数值计算。

Abstract

By analyzing the soil structural parameters based on strain considering and stress considering under confined compression conditions respectively

a unified expression for structural parameters is given

which is soil structural parameters using the secant modulus description. The obvious merit of the soil structural parameters expressed by the secant modulus is that it can avoid

when soil is under initial state

the soil structural parameters based on strain considering and stress considering can not be solved. Further

a single variable model of structural parameters using the active role description is established. In this model

the same stress method and strain method are utilized. For experiment

the confined compression test with intact sample

remolded sample and saturated intact sample from Yangling are conducted. Through the comparison of experimental values and calculation values

the rationality of the single variable model of structural parameters is tested. The results show that the calculated values agree with the experimental values well. The single variable model of structural parameters using the active role description can directly reflect the influence of the active role on soil structure. In addition

the single variable model of structural parameters has the ability to simplify the calculation process and realize the numerical calculation.

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