Application of gradation equation for coarse-grained soil

GUO Wan-li; ZHU Jun-gao; YU Ting; JIN Wei

doi:10.16285/j.rsm.2017.0214

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Application of gradation equation for coarse-grained soil

更新时间：2026-06-25

- Application of gradation equation for coarse-grained soil
- Vol. 39, Issue 10, Pages: 3661-3667(2018)
- 作者机构：
  
  1. 河海大学岩土力学与堤坝工程教育部重点实验室,江苏,南京,210098
  2. 河海大学江苏省岩土工程技术工程研究中心,江苏,南京,210098
  3. 中国电建集团成都勘测设计研究院有限公司,四川,成都,610072
- 作者简介：
- 基金信息：
- DOI：10.16285/j.rsm.2017.0214
  CLC： TU432
- Online First：04 November 2018，
  
  Published：2018
- 稿件说明：
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GUO Wan-li, ZHU Jun-gao, YU Ting, et al. Application of gradation equation for coarse-grained soil[J]. 2018, 39(10): 3661-3667.
DOI：

GUO Wan-li, ZHU Jun-gao, YU Ting, et al. Application of gradation equation for coarse-grained soil[J]. 2018, 39(10): 3661-3667. DOI： 10.16285/j.rsm.2017.0214.

摘要

粗粒料的级配对其物理力学性质具有重要影响。土体的级配通常用级配曲线来表示，级配方程则是对土体级配曲线的定量描述。利用土的连续级配方程，对各种粗粒料级配的适用性进行了验证，进一步总结了土石坝工程中粗粒料级配参数的常用取值范围；同时，分析了利用该方程进行粗粒料配料计算的实用性。主要结论如下：粗粒料的级配参数常用取值范围集中在-2

Abstract

The properties of the coarse-grained soil are significantly affected by its gradation. The gradation of the soil is usually descripted by the particle size distribution curve (PSD)

and the gradation equation is a quantitative description for the PSD. A continuous gradation equation was developed in this paper

and its applicability was verified by many PSDs of the rockfill material

transition material and filter material used in earth-rock dams. Furthermore

the range of gradation parameters of the coarse-grained soil was summarized

and the applicability of the gradation equation was analyzed. The main conclusions are as follows: The commonly used gradation parameters of coarse-grained soils are in the range of -2

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