Rheology of rock salt for salt tectonics modeling

Numerical modeling of salt tectonics is a rapidly evolving field; however, the constitutive equations to model long-term rock salt rheology in nature still remain controversial. Firstly, we built a database about the strain rate versus the differential stress through collecting the data from salt cr...

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Bibliographic Details
Published inPetroleum science Vol. 13; no. 4; pp. 712 - 724
Main Authors Li, Shi-Yuan, Urai, Janos L.
Format Journal Article
LanguageEnglish
Published Beijing China University of Petroleum (Beijing) 01.11.2016
KeAi Publishing Communications Ltd
KeAi Communications Co., Ltd
Subjects
ABAQUS
Creep (materials)
Data
Deformation
Dislocation creep
Earth and Environmental Science
Earth Sciences
Economics and Management
Energy Policy
Experiments
Extrapolation
Industrial and Production Engineering
Industrial Chemistry/Chemical Engineering
Laboratories
Laboratory tests
Mathematical models
Microstructure
Mineral Resources
Modeling
Modelling
Original Paper
Plate tectonics
Power law creep
Rheology
Rock salt
Rock salt rheology
Rocks
Salt
Salts
Solifluction
Strain rate
Stresses
Tectonics
Yield strength
实验室数据
有限元软件
构造建模
流变性质
流变模型
盐构造
蠕变实验
Power law creep
Modeling
Rock salt rheology
Dislocation creep
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Summary:Numerical modeling of salt tectonics is a rapidly evolving field; however, the constitutive equations to model long-term rock salt rheology in nature still remain controversial. Firstly, we built a database about the strain rate versus the differential stress through collecting the data from salt creep experiments at a range of temperatures（20–200 ℃） in laboratories. The aim is to collect data about salt deformation in nature, and the flow properties can be extracted from the data in laboratory experiments.Moreover, as an important preparation for salt tectonics modeling, a numerical model based on creep experiments of rock salt was developed in order to verify the specific model using the Abaqus package. Finally, under the condition of low differential stresses, the deformation mechanism would be extrapolated and discussed according to microstructure research. Since the studies of salt deformation in nature are the reliable extrapolation of laboratory data, we simplified the rock salt rheology to dislocation creep corresponding to power law creep（n = 5） with the appropriate material parameters in the salt tectonic modeling.
Bibliography:Numerical modeling of salt tectonics is a rapidly evolving field; however, the constitutive equations to model long-term rock salt rheology in nature still remain controversial. Firstly, we built a database about the strain rate versus the differential stress through collecting the data from salt creep experiments at a range of temperatures（20–200 ℃） in laboratories. The aim is to collect data about salt deformation in nature, and the flow properties can be extracted from the data in laboratory experiments.Moreover, as an important preparation for salt tectonics modeling, a numerical model based on creep experiments of rock salt was developed in order to verify the specific model using the Abaqus package. Finally, under the condition of low differential stresses, the deformation mechanism would be extrapolated and discussed according to microstructure research. Since the studies of salt deformation in nature are the reliable extrapolation of laboratory data, we simplified the rock salt rheology to dislocation creep corresponding to power law creep（n = 5） with the appropriate material parameters in the salt tectonic modeling.
Rock salt rheology;Power law creep;Dislocation creep;Modeling
11-4995/TE
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:1672-5107
1995-8226
DOI:10.1007/s12182-016-0121-6