Experimental studies on rheological behaviors for rockfills in concrete faced rockfill dam

LI Guo-ying; MI Zhan-kuan; FU hua; FANG Wei-feng

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Experimental studies on rheological behaviors for rockfills in concrete faced rockfill dam

更新时间：2026-06-25

- Experimental studies on rheological behaviors for rockfills in concrete faced rockfill dam
- Vol. 25, Issue 11期　刊出日, (2004)
- 作者机构：
  
  1. 南京水利科学研究院,江苏,南京,210024
  2. 河海大学,江苏,南京,210024
- 作者简介：
- 基金信息：
- DOI：
  CLC： TV554
- Online First：25 July 2014，
  
  Published：2004
- 稿件说明：
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LI Guo-ying, MI Zhan-kuan, FU hua, et al. Experimental studies on rheological behaviors for rockfills in concrete faced rockfill dam[J]. 2004, 25(11期　刊出日).
DOI：

LI Guo-ying, MI Zhan-kuan, FU hua, et al. Experimental studies on rheological behaviors for rockfills in concrete faced rockfill dam[J]. 2004, 25(11期　刊出日). DOI：

摘要

采用大型三轴仪对公伯峡水电站面板堆石坝坝内3种主要堆石料的流变特性进行了试验研究，分析了堆石料流变的影响因素，重点研究了应力状态对流变的影响，探讨了流变的规律性，发现堆石料的流变随时间呈指数型衰减，符合Merchant模型描述的变形规律。研究了堆石体流变模型，提出了最终体积流变和最终剪切流变的表达式。

Abstract

The rheological behaviour of rockfills in Gongboxia CFRD were studied with large-size triaxial test. The factors that affect the rheological behaviour of rockfills were analysed

and the affection of stress-strain acted on rockfills was studied emphatically. The law of rheological deformation was investigated. It is found that the rheological deformation reduced with time can be described with exponential curve

and it is fit for the law described as Merchant model. The rheological model is also studied

the expression of final volumetric rheological deformation and tangential creep deformation were proposed.

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Related Institution

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College of Science and Engineering, Jinan University

Department of Civil Engineering, Guangdong Technical College of Water Resources and Electric Engineering

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