| Title: | Implementation and verification of a geosynthetic-soil interface constitutive model in the Geogrid element of FLAC$^{3D}$ |
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| Authors: | ID Haimin, Wu (Author)
ID Yiming, Shu (Author)
ID Linjun, Dai (Author)
ID Zhaoming, Teng (Author)
ID Fakulteta za gradbeništvo, prometno inženirstvo in arhitekturo Univerze v Mariboru (Copyright holder) |
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| Files: |  Acta_geotechnica_Slovenica_2015_Haimin_et_al._Implementation_and_verification_of_a_geosynthetic-soil_interface_constitutive_model_in_the.pdf (269,05 KB)
MD5: E504F6C7192C9BC947C80A56EEE0E95A
PID: 20.500.12556/dkum/8aae9dca-3416-43e3-b6bf-15bfdbe086f1
 http://fgserver3.fg.um.si/journal-ags/2015-1/article-3.asp
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| Language: | English |
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| Work type: | Scientific work |
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| Typology: | 1.01 - Original Scientific Article |
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| Organization: | FGPA - Faculty of Civil Engineering, Transportation Engineering and Architecture
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| Abstract: | Due to the complexity of geosynthetic-soil interactions, the simple interface constitutive models embedded in the geosynthetic elements of general computing software cannot satisfy the requirements for a numerical simulation of different geosynthetic-soil interface behaviours. Based on the direct shear test results of a composite geomembrane (CGM) and polyurethane (PUR) mixed crushed stones interface, a nonlinear elastic, perfectly plastic model was used to describe the interface behaviours. The method of incorporating an interface constitutive model into the Geogrid element of a fast Lagrange analysis of continua in three dimensions (FLAC3D) procedure was presented in detail through a user-defined program in the FISH environment. Then the incorporated model of the Geogrid element was used to simulate the direct tests of the CGM-PUR mixed crushed stones interface. The results of the numerical tests confirmed the validity and reliability of the incorporated model. The method and program flowchart for implementing the nonlinear elastic, perfectly plastic interface constitutive model into the Geogrid element can provide a reference for users who want to simulate other geosynthetic-soil interface behaviours with FLAC3D. |
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| Keywords: | geosynthetic-soil interface, constitutive model, numerical modelling, FLAC3D, geogrid element |
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| Publication status: | Published |
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| Publication version: | Version of Record |
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| Year of publishing: | 2015 |
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| Number of pages: | str. 27-35 |
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| Numbering: | Letn. 12, št. 1 |
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| PID: | 20.500.12556/DKUM-70829  |
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| ISSN: | 1854-0171 |
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| UDC: | 624.131 |
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| ISSN on article: | 1854-0171 |
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| COBISS.SI-ID: | 284327424 |
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| NUK URN: | URN:SI:UM:DK:WIJUZLV8 |
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| Copyright: | Fakulteta za gradbeništvo, prometno inženirstvo in arhitekturo Univerze v Mariboru |
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| Publication date in DKUM: | 14.06.2018 |
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| Views: | 1719 |
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| Downloads: | 91 |
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| Metadata: |    |
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| Categories: | Misc.
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