DEM investigation of the effect of coarse content and size ratio on the local shear behavior at gap-graded soil-structure interface

Gap-graded soils are widespread as naturally sedimentary soils, and their interaction with structures is crucial for assessing the workability of the geo-structures. The effect of coarse content and size ratio on the local shear behavior at soil-structure interface is investigated using Discrete Ele...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Xu, Jin [verfasserIn] Liu, Jiaying [verfasserIn] Shi, Xiusong [verfasserIn] Ji, Feng [verfasserIn] Zeng, Yiwen [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2023

Schlagwörter:	Gap-graded soil Soil-structure interface Coarse content Size ratio Shear band thickness Failure mode

Übergeordnetes Werk:	Enthalten in: Powder technology - Amsterdam [u.a.] : Elsevier Science, 1967, 433
Übergeordnetes Werk:	volume:433

DOI / URN:	10.1016/j.powtec.2023.119281

Katalog-ID:	ELV066274478

Internformat


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520			\|a Gap-graded soils are widespread as naturally sedimentary soils, and their interaction with structures is crucial for assessing the workability of the geo-structures. The effect of coarse content and size ratio on the local shear behavior at soil-structure interface is investigated using Discrete Element Method (DEM). The shear band thickness increases with increasing coarse fraction within the transitional coarse content while falling due to the reduction of structural relative roughness beyond the transitional value. The variation of microscopic parameters and contact force network is consistent with the evolution of the shear band thickness and the macroscopic mechanical parameters, e.g., the peak friction angle. Three types of failure modes are defined according to the local shear behavior, i.e., thin fines failure, mixed thick failure, and mixed thin failure. The insights drawn from this work provide a reference for assessing the mechanical behavior at the interface between gap-graded soil and structure.
650		4	\|a Gap-graded soil
650		4	\|a Soil-structure interface
650		4	\|a Coarse content
650		4	\|a Size ratio
650		4	\|a Shear band thickness
650		4	\|a Failure mode
700	1		\|a Liu, Jiaying \|e verfasserin \|4 aut
700	1		\|a Shi, Xiusong \|e verfasserin \|4 aut
700	1		\|a Ji, Feng \|e verfasserin \|4 aut
700	1		\|a Zeng, Yiwen \|e verfasserin \|4 aut
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publishDate	2023
allfields	10.1016/j.powtec.2023.119281 doi (DE-627)ELV066274478 (ELSEVIER)S0032-5910(23)01064-1 DE-627 ger DE-627 rda eng 660 VZ 58.10 bkl 52.77 bkl Xu, Jin verfasserin aut DEM investigation of the effect of coarse content and size ratio on the local shear behavior at gap-graded soil-structure interface 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Gap-graded soils are widespread as naturally sedimentary soils, and their interaction with structures is crucial for assessing the workability of the geo-structures. The effect of coarse content and size ratio on the local shear behavior at soil-structure interface is investigated using Discrete Element Method (DEM). The shear band thickness increases with increasing coarse fraction within the transitional coarse content while falling due to the reduction of structural relative roughness beyond the transitional value. The variation of microscopic parameters and contact force network is consistent with the evolution of the shear band thickness and the macroscopic mechanical parameters, e.g., the peak friction angle. Three types of failure modes are defined according to the local shear behavior, i.e., thin fines failure, mixed thick failure, and mixed thin failure. The insights drawn from this work provide a reference for assessing the mechanical behavior at the interface between gap-graded soil and structure. Gap-graded soil Soil-structure interface Coarse content Size ratio Shear band thickness Failure mode Liu, Jiaying verfasserin aut Shi, Xiusong verfasserin aut Ji, Feng verfasserin aut Zeng, Yiwen verfasserin aut Enthalten in Powder technology Amsterdam [u.a.] : Elsevier Science, 1967 433 Online-Ressource (DE-627)320599019 (DE-600)2019938-7 (DE-576)098474278 0032-5910 nnns volume:433 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 58.10 Verfahrenstechnik: Allgemeines VZ 52.77 Urformen VZ AR 433
spelling	10.1016/j.powtec.2023.119281 doi (DE-627)ELV066274478 (ELSEVIER)S0032-5910(23)01064-1 DE-627 ger DE-627 rda eng 660 VZ 58.10 bkl 52.77 bkl Xu, Jin verfasserin aut DEM investigation of the effect of coarse content and size ratio on the local shear behavior at gap-graded soil-structure interface 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Gap-graded soils are widespread as naturally sedimentary soils, and their interaction with structures is crucial for assessing the workability of the geo-structures. The effect of coarse content and size ratio on the local shear behavior at soil-structure interface is investigated using Discrete Element Method (DEM). The shear band thickness increases with increasing coarse fraction within the transitional coarse content while falling due to the reduction of structural relative roughness beyond the transitional value. The variation of microscopic parameters and contact force network is consistent with the evolution of the shear band thickness and the macroscopic mechanical parameters, e.g., the peak friction angle. Three types of failure modes are defined according to the local shear behavior, i.e., thin fines failure, mixed thick failure, and mixed thin failure. The insights drawn from this work provide a reference for assessing the mechanical behavior at the interface between gap-graded soil and structure. Gap-graded soil Soil-structure interface Coarse content Size ratio Shear band thickness Failure mode Liu, Jiaying verfasserin aut Shi, Xiusong verfasserin aut Ji, Feng verfasserin aut Zeng, Yiwen verfasserin aut Enthalten in Powder technology Amsterdam [u.a.] : Elsevier Science, 1967 433 Online-Ressource (DE-627)320599019 (DE-600)2019938-7 (DE-576)098474278 0032-5910 nnns volume:433 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 58.10 Verfahrenstechnik: Allgemeines VZ 52.77 Urformen VZ AR 433
allfields_unstemmed	10.1016/j.powtec.2023.119281 doi (DE-627)ELV066274478 (ELSEVIER)S0032-5910(23)01064-1 DE-627 ger DE-627 rda eng 660 VZ 58.10 bkl 52.77 bkl Xu, Jin verfasserin aut DEM investigation of the effect of coarse content and size ratio on the local shear behavior at gap-graded soil-structure interface 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Gap-graded soils are widespread as naturally sedimentary soils, and their interaction with structures is crucial for assessing the workability of the geo-structures. The effect of coarse content and size ratio on the local shear behavior at soil-structure interface is investigated using Discrete Element Method (DEM). The shear band thickness increases with increasing coarse fraction within the transitional coarse content while falling due to the reduction of structural relative roughness beyond the transitional value. The variation of microscopic parameters and contact force network is consistent with the evolution of the shear band thickness and the macroscopic mechanical parameters, e.g., the peak friction angle. Three types of failure modes are defined according to the local shear behavior, i.e., thin fines failure, mixed thick failure, and mixed thin failure. The insights drawn from this work provide a reference for assessing the mechanical behavior at the interface between gap-graded soil and structure. Gap-graded soil Soil-structure interface Coarse content Size ratio Shear band thickness Failure mode Liu, Jiaying verfasserin aut Shi, Xiusong verfasserin aut Ji, Feng verfasserin aut Zeng, Yiwen verfasserin aut Enthalten in Powder technology Amsterdam [u.a.] : Elsevier Science, 1967 433 Online-Ressource (DE-627)320599019 (DE-600)2019938-7 (DE-576)098474278 0032-5910 nnns volume:433 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 58.10 Verfahrenstechnik: Allgemeines VZ 52.77 Urformen VZ AR 433
allfieldsGer	10.1016/j.powtec.2023.119281 doi (DE-627)ELV066274478 (ELSEVIER)S0032-5910(23)01064-1 DE-627 ger DE-627 rda eng 660 VZ 58.10 bkl 52.77 bkl Xu, Jin verfasserin aut DEM investigation of the effect of coarse content and size ratio on the local shear behavior at gap-graded soil-structure interface 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Gap-graded soils are widespread as naturally sedimentary soils, and their interaction with structures is crucial for assessing the workability of the geo-structures. The effect of coarse content and size ratio on the local shear behavior at soil-structure interface is investigated using Discrete Element Method (DEM). The shear band thickness increases with increasing coarse fraction within the transitional coarse content while falling due to the reduction of structural relative roughness beyond the transitional value. The variation of microscopic parameters and contact force network is consistent with the evolution of the shear band thickness and the macroscopic mechanical parameters, e.g., the peak friction angle. Three types of failure modes are defined according to the local shear behavior, i.e., thin fines failure, mixed thick failure, and mixed thin failure. The insights drawn from this work provide a reference for assessing the mechanical behavior at the interface between gap-graded soil and structure. Gap-graded soil Soil-structure interface Coarse content Size ratio Shear band thickness Failure mode Liu, Jiaying verfasserin aut Shi, Xiusong verfasserin aut Ji, Feng verfasserin aut Zeng, Yiwen verfasserin aut Enthalten in Powder technology Amsterdam [u.a.] : Elsevier Science, 1967 433 Online-Ressource (DE-627)320599019 (DE-600)2019938-7 (DE-576)098474278 0032-5910 nnns volume:433 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 58.10 Verfahrenstechnik: Allgemeines VZ 52.77 Urformen VZ AR 433
allfieldsSound	10.1016/j.powtec.2023.119281 doi (DE-627)ELV066274478 (ELSEVIER)S0032-5910(23)01064-1 DE-627 ger DE-627 rda eng 660 VZ 58.10 bkl 52.77 bkl Xu, Jin verfasserin aut DEM investigation of the effect of coarse content and size ratio on the local shear behavior at gap-graded soil-structure interface 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Gap-graded soils are widespread as naturally sedimentary soils, and their interaction with structures is crucial for assessing the workability of the geo-structures. The effect of coarse content and size ratio on the local shear behavior at soil-structure interface is investigated using Discrete Element Method (DEM). The shear band thickness increases with increasing coarse fraction within the transitional coarse content while falling due to the reduction of structural relative roughness beyond the transitional value. The variation of microscopic parameters and contact force network is consistent with the evolution of the shear band thickness and the macroscopic mechanical parameters, e.g., the peak friction angle. Three types of failure modes are defined according to the local shear behavior, i.e., thin fines failure, mixed thick failure, and mixed thin failure. The insights drawn from this work provide a reference for assessing the mechanical behavior at the interface between gap-graded soil and structure. Gap-graded soil Soil-structure interface Coarse content Size ratio Shear band thickness Failure mode Liu, Jiaying verfasserin aut Shi, Xiusong verfasserin aut Ji, Feng verfasserin aut Zeng, Yiwen verfasserin aut Enthalten in Powder technology Amsterdam [u.a.] : Elsevier Science, 1967 433 Online-Ressource (DE-627)320599019 (DE-600)2019938-7 (DE-576)098474278 0032-5910 nnns volume:433 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 58.10 Verfahrenstechnik: Allgemeines VZ 52.77 Urformen VZ AR 433
language	English
source	Enthalten in Powder technology 433 volume:433
sourceStr	Enthalten in Powder technology 433 volume:433
format_phy_str_mv	Article
bklname	Verfahrenstechnik: Allgemeines Urformen
institution	findex.gbv.de
topic_facet	Gap-graded soil Soil-structure interface Coarse content Size ratio Shear band thickness Failure mode
dewey-raw	660
isfreeaccess_bool	false
container_title	Powder technology
authorswithroles_txt_mv	Xu, Jin @@aut@@ Liu, Jiaying @@aut@@ Shi, Xiusong @@aut@@ Ji, Feng @@aut@@ Zeng, Yiwen @@aut@@
publishDateDaySort_date	2023-01-01T00:00:00Z
hierarchy_top_id	320599019
dewey-sort	3660
id	ELV066274478
language_de	englisch
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author	Xu, Jin
spellingShingle	Xu, Jin ddc 660 bkl 58.10 bkl 52.77 misc Gap-graded soil misc Soil-structure interface misc Coarse content misc Size ratio misc Shear band thickness misc Failure mode DEM investigation of the effect of coarse content and size ratio on the local shear behavior at gap-graded soil-structure interface
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topic_title	660 VZ 58.10 bkl 52.77 bkl DEM investigation of the effect of coarse content and size ratio on the local shear behavior at gap-graded soil-structure interface Gap-graded soil Soil-structure interface Coarse content Size ratio Shear band thickness Failure mode
topic	ddc 660 bkl 58.10 bkl 52.77 misc Gap-graded soil misc Soil-structure interface misc Coarse content misc Size ratio misc Shear band thickness misc Failure mode
topic_unstemmed	ddc 660 bkl 58.10 bkl 52.77 misc Gap-graded soil misc Soil-structure interface misc Coarse content misc Size ratio misc Shear band thickness misc Failure mode
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title	DEM investigation of the effect of coarse content and size ratio on the local shear behavior at gap-graded soil-structure interface
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title_full	DEM investigation of the effect of coarse content and size ratio on the local shear behavior at gap-graded soil-structure interface
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title_sort	dem investigation of the effect of coarse content and size ratio on the local shear behavior at gap-graded soil-structure interface
title_auth	DEM investigation of the effect of coarse content and size ratio on the local shear behavior at gap-graded soil-structure interface
abstract	Gap-graded soils are widespread as naturally sedimentary soils, and their interaction with structures is crucial for assessing the workability of the geo-structures. The effect of coarse content and size ratio on the local shear behavior at soil-structure interface is investigated using Discrete Element Method (DEM). The shear band thickness increases with increasing coarse fraction within the transitional coarse content while falling due to the reduction of structural relative roughness beyond the transitional value. The variation of microscopic parameters and contact force network is consistent with the evolution of the shear band thickness and the macroscopic mechanical parameters, e.g., the peak friction angle. Three types of failure modes are defined according to the local shear behavior, i.e., thin fines failure, mixed thick failure, and mixed thin failure. The insights drawn from this work provide a reference for assessing the mechanical behavior at the interface between gap-graded soil and structure.
abstractGer	Gap-graded soils are widespread as naturally sedimentary soils, and their interaction with structures is crucial for assessing the workability of the geo-structures. The effect of coarse content and size ratio on the local shear behavior at soil-structure interface is investigated using Discrete Element Method (DEM). The shear band thickness increases with increasing coarse fraction within the transitional coarse content while falling due to the reduction of structural relative roughness beyond the transitional value. The variation of microscopic parameters and contact force network is consistent with the evolution of the shear band thickness and the macroscopic mechanical parameters, e.g., the peak friction angle. Three types of failure modes are defined according to the local shear behavior, i.e., thin fines failure, mixed thick failure, and mixed thin failure. The insights drawn from this work provide a reference for assessing the mechanical behavior at the interface between gap-graded soil and structure.
abstract_unstemmed	Gap-graded soils are widespread as naturally sedimentary soils, and their interaction with structures is crucial for assessing the workability of the geo-structures. The effect of coarse content and size ratio on the local shear behavior at soil-structure interface is investigated using Discrete Element Method (DEM). The shear band thickness increases with increasing coarse fraction within the transitional coarse content while falling due to the reduction of structural relative roughness beyond the transitional value. The variation of microscopic parameters and contact force network is consistent with the evolution of the shear band thickness and the macroscopic mechanical parameters, e.g., the peak friction angle. Three types of failure modes are defined according to the local shear behavior, i.e., thin fines failure, mixed thick failure, and mixed thin failure. The insights drawn from this work provide a reference for assessing the mechanical behavior at the interface between gap-graded soil and structure.
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title_short	DEM investigation of the effect of coarse content and size ratio on the local shear behavior at gap-graded soil-structure interface
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up_date	2024-07-06T17:11:56.165Z
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DEM investigation of the effect of coarse content and size ratio on the local shear behavior at gap-graded soil-structure interface

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