Tensile strength and deformation characteristics of granular materials

XU Yong-fu; LIN Fei

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Tensile strength and deformation characteristics of granular materials

更新时间：2026-06-25

- Tensile strength and deformation characteristics of granular materials
- Vol. 27, Issue 3, (2006)
- 作者机构：
  
  1. 上海交通大学船舶海洋与建筑工程学院,上海,200030
  2. 江苏省交通规划设计院,南京,210004
- 作者简介：
- 基金信息：
- DOI：
  CLC： TV641.4
- Online First：06 November 2013，
  
  Published：2006
- 稿件说明：
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XU Yong-fu, LIN Fei. Tensile strength and deformation characteristics of granular materials[J]. 2006, 27(3).
DOI：

XU Yong-fu, LIN Fei. Tensile strength and deformation characteristics of granular materials[J]. 2006, 27(3). DOI：

摘要

颗粒破碎的特征表明，颗粒破碎具有分形特征，是影响粒状材料变形与强度的主要因素，根据颗粒破碎的分形模型可以建立粒状材料的变形与强度理论。假定粒状材料是均匀的D维分形体，由此导出粒状材料的抗张强度公式，并用来估算颗粒在给定压力下的破碎几率。颗粒破碎增加了单位体积颗粒的表面积，即颗粒的比表面能量增加，根据颗粒破碎过程中的能量守恒导出粒状材料一维压缩变形的表达式。

Abstract

Tensile strength and deformation theory of granular materials are derived from the fractal characteristics of particle failure. The tensile strength formulas of granular materials are derived under the assumption that granular materials are D-dimension fractal bodies. The surface area and surface energy increase as the occurrence of particle failure; thus

one-dimensional deformation expression of granular materials is obtained from the conservation of energy.

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