Rowe’s dilatancy equation and new derivation method

介玉新

doi:10.11660/slfdxb.20240110

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Rowe’s dilatancy equation and new derivation method

更新时间：2026-07-22

- Rowe’s dilatancy equation and new derivation method
- Journal of Hydroelectric Engineering Vol. 43, Issue 1, (2024)
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- DOI：10.11660/slfdxb.20240110
  CLC：
- Online First：25 January 2024，
  
  Published：2024
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介玉新. Rowe’s dilatancy equation and new derivation method[J]. Journal of Hydroelectric Engineering, 2024, 43(1).
DOI：

介玉新. Rowe’s dilatancy equation and new derivation method[J]. Journal of Hydroelectric Engineering, 2024, 43(1). DOI： 10.11660/slfdxb.20240110.

摘要

剪胀性是岩土材料的重要特性之一。Rowe剪胀方程是一种经典的剪胀方程，它形式简单，所需假定较少，能够反映粗粒土、岩石乃至混凝土的剪胀性。在国内外受到广泛关注，且有很多的改进和发展。但在通常的Rowe剪胀方程的推导中，有一些概念尚需要商榷，所引入的锯齿面也容易引起误导。本文对Rowe剪胀方程及其发展改进进行梳理，提出了参考面的概念，并给出了一种新的推导方法。新的推导方法比传统方法在概念上更为严密，对两种推导方法的探讨也有助于加深对Rowe剪胀方程的理解。

Abstract

Shear dilation is one of the important characteristics of geomaterials. Rowe’s dilatancy equation is of a classic type

which reflects the dilatancy of coarse-grained soil

rock

and even concrete

featuring a simple form and fewer assumptions. It is widely acknowledged in the world and has been improved and developed by many researchers. However

some concepts in the previous derivation of this equation need to be discussed

and its separation planes of a tooth shape may mislead the readers. In this paper

the equation and its improvements and developments are reviewed

and a new derivation method using the concept of a reference plane is presented. It is thought that the new derivation is more rigorous in concept

and the investigation of these two methods sheds some light on our understanding of Rowe’s dilatancy equation.

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Related Institution

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