Fractional Derivative Creep Model of Salt Rock

doi:10.15961/j.jsuese.2014.05.034

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Fractional Derivative Creep Model of Salt Rock

更新时间：2023-11-14

- Fractional Derivative Creep Model of Salt Rock
- Advanced Engineering Sciences Vol. 46, Issue 5, Pages: 22-27(2014)
- 作者机构：
  
  1. 四川大学能源工程安全与灾害力学教育部重点实验室建筑与环境学院
  2. 四川大学水利水电学院
- 作者简介：
- 基金信息：
- DOI：10.15961/j.jsuese.2014.05.034
  CLC：
- Published：2014，
  
  Published Online：21 March 2014，
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吴斐,刘建锋,边宇,周志威.盐岩的分数阶导数蠕变模型[J].工程科学与技术,2014,46(5):22-27.

Fractional Derivative Creep Model of Salt Rock. [J]. Advanced Engineering Sciences 46(5):22-27(2014)
吴斐,刘建锋,边宇,周志威.盐岩的分数阶导数蠕变模型[J].工程科学与技术,2014,46(5):22-27. DOI： 10.15961/j.jsuese.2014.05.034.

Fractional Derivative Creep Model of Salt Rock. [J]. Advanced Engineering Sciences 46(5):22-27(2014) DOI： 10.15961/j.jsuese.2014.05.034.

摘要

中文摘要: 盐岩蠕变特性是影响能源深部地下储存库长期运营的重要决定因素。利用基于分数阶导数定义得到的Abel粘壶以及带应变触发的Abel粘壶建立新的分数阶导数蠕变模型。通过4个月的盐岩蠕变试验，获得全过程蠕变曲线，基于盐岩蠕变试验数据，对分数阶导数蠕变模型的参数进行拟合分析，确定模型中的参数，并对建立的分数阶导数蠕变模型与西原正夫模型进行对比分析。结果表明：分数阶导数蠕变模型与试验数据吻合得更好，不仅克服了整数阶蠕变模型在初始阶段与试验数据不能很好吻合的弊端，又能反映盐岩全过程蠕变特征。

Abstract

Abstract:The creep property of the salt rock is an important determinant of deep underground repository of energy for long-term operation.New fractional derivative creep model was built by using the Abel dashpot and Abel dashpot with strain triggered based on the definition of fractional derivative. Through over 4 months’ experiment

creep curve for the whole process was got.Based on the experimental data of the salt rock creep

fitting analysis on parameters of fractional derivative creep constitutive model was provided and the parameters of the model were determined.In addition

comparing the fractional derivative creep model with the Nishihara model

it is found that fractional derivative model is in better agreement with the experimental data.The model not only overcomes the drawback that integer-order creep model is not in good agreement with the experimental data at the primary creep stage

but also reflects the whole process of creep characteristics of salt rock.

关键词

盐岩分数阶导数蠕变模型西原正夫模型Abel粘壶

Keywords

salt rockfractional derivative creep modelNishihara modelthe Abel dashpot

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Investigation on Fracture Mechanical Behavior of Salt Rock With Impurities Under Bending Loading-unloading Conditions

Study on Penetration Characteristics and Mesoscopic Features of Impurity Salt Rock During Loading Process

Similar Experiment of the Concentration Field in Layered Salt-rock Cavity in Construction Period

Study on creep properties of salt rock with impurities during triaxial creep test

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Related Institution

State Key Lab. of Hydraulic and Mountain River Eng., Sichuan Univ.

CNPC Key Lab. of Oil and Gas Underground Storage Eng.

Research Inst. of Petroleum Exploration & Development

Panzhihua Development and Reform Commission

College of Water Resource & Hydropower, Sichuan Univ.

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