Experimental study on mechanical properties of pore-filling and fracture-filling clayey silt hydrate-bearing sediments

Pore–filling and fracture–filling hydrates are widely distributed in marine clayey silt sediments. The filling characteristics of hydrates significantly affect the mechanical properties of sediments, which closely related to the hydrate safe exploitation. In this study, the differences in the mechan...
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Gespeichert in:

Autor*in:	Guo, Wei [verfasserIn] Li, Yiming [verfasserIn] Jia, Rui [verfasserIn] Wang, Yuan [verfasserIn] Tang, Gege [verfasserIn] Li, Xiaolin [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2023

Schlagwörter:	Hydrate filling characteristics Pore–filling hydrate Fracture–filling hydrate Hydrate–bearing sediments Strength and deformation

Übergeordnetes Werk:	Enthalten in: Energy - Amsterdam [u.a.] : Elsevier Science, 1976, 284
Übergeordnetes Werk:	volume:284

DOI / URN:	10.1016/j.energy.2023.129354

Katalog-ID:	ELV065328825

Internformat


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024	7		\|a 10.1016/j.energy.2023.129354 \|2 doi
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245	1	0	\|a Experimental study on mechanical properties of pore-filling and fracture-filling clayey silt hydrate-bearing sediments
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520			\|a Pore–filling and fracture–filling hydrates are widely distributed in marine clayey silt sediments. The filling characteristics of hydrates significantly affect the mechanical properties of sediments, which closely related to the hydrate safe exploitation. In this study, the differences in the mechanical properties between pore–filling hydrate–bearing sediment (PFHBS) and fracture–filling hydrate–bearing sediment (FFHBS) were compared and analyzed through a series of triaxial tests. Results showed that PFHBS and FFHBS significantly differed in mechanical properties under identical conditions. PFHBS and FFHBS with different hydrate saturations exhibited different stress–strain relationships. The enhancement effect of hydrates on the strength parameters of samples at the same saturation increment was influenced by the filling characteristics. Under identical hydrate saturation conditions, the failure strength and Young's modulus of FFHBS surpassed those of PFHBS, and the cohesion and internal friction angle of FFHBS increased by 76.92 % and 4.25 %, respectively, compared with those of PFHBS, while FFHBS exhibited greater volume expansion than PFHBS. The number of fracture layers in FFHBS had a positive correlation with the strength parameters of samples, yet intensified volume expansion. PFHBS and FFHBS exhibited different strength enhancement and shear mechanisms due to different hydrate filling characteristics.
650		4	\|a Hydrate filling characteristics
650		4	\|a Pore–filling hydrate
650		4	\|a Fracture–filling hydrate
650		4	\|a Hydrate–bearing sediments
650		4	\|a Strength and deformation
700	1		\|a Li, Yiming \|e verfasserin \|0 (orcid)0009-0003-5181-2674 \|4 aut
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700	1		\|a Wang, Yuan \|e verfasserin \|4 aut
700	1		\|a Tang, Gege \|e verfasserin \|0 (orcid)0009-0007-1607-8549 \|4 aut
700	1		\|a Li, Xiaolin \|e verfasserin \|4 aut
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publishDate	2023
allfields	10.1016/j.energy.2023.129354 doi (DE-627)ELV065328825 (ELSEVIER)S0360-5442(23)02748-2 DE-627 ger DE-627 rda eng 600 VZ 50.70 bkl Guo, Wei verfasserin aut Experimental study on mechanical properties of pore-filling and fracture-filling clayey silt hydrate-bearing sediments 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Pore–filling and fracture–filling hydrates are widely distributed in marine clayey silt sediments. The filling characteristics of hydrates significantly affect the mechanical properties of sediments, which closely related to the hydrate safe exploitation. In this study, the differences in the mechanical properties between pore–filling hydrate–bearing sediment (PFHBS) and fracture–filling hydrate–bearing sediment (FFHBS) were compared and analyzed through a series of triaxial tests. Results showed that PFHBS and FFHBS significantly differed in mechanical properties under identical conditions. PFHBS and FFHBS with different hydrate saturations exhibited different stress–strain relationships. The enhancement effect of hydrates on the strength parameters of samples at the same saturation increment was influenced by the filling characteristics. Under identical hydrate saturation conditions, the failure strength and Young's modulus of FFHBS surpassed those of PFHBS, and the cohesion and internal friction angle of FFHBS increased by 76.92 % and 4.25 %, respectively, compared with those of PFHBS, while FFHBS exhibited greater volume expansion than PFHBS. The number of fracture layers in FFHBS had a positive correlation with the strength parameters of samples, yet intensified volume expansion. PFHBS and FFHBS exhibited different strength enhancement and shear mechanisms due to different hydrate filling characteristics. Hydrate filling characteristics Pore–filling hydrate Fracture–filling hydrate Hydrate–bearing sediments Strength and deformation Li, Yiming verfasserin (orcid)0009-0003-5181-2674 aut Jia, Rui verfasserin aut Wang, Yuan verfasserin aut Tang, Gege verfasserin (orcid)0009-0007-1607-8549 aut Li, Xiaolin verfasserin aut Enthalten in Energy Amsterdam [u.a.] : Elsevier Science, 1976 284 Online-Ressource (DE-627)320597903 (DE-600)2019804-8 (DE-576)116451815 1873-6785 nnns volume:284 GBV_USEFLAG_U GBV_ELV SYSFLAG_U 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_2008 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_2088 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_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 50.70 Energie: Allgemeines VZ AR 284
spelling	10.1016/j.energy.2023.129354 doi (DE-627)ELV065328825 (ELSEVIER)S0360-5442(23)02748-2 DE-627 ger DE-627 rda eng 600 VZ 50.70 bkl Guo, Wei verfasserin aut Experimental study on mechanical properties of pore-filling and fracture-filling clayey silt hydrate-bearing sediments 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Pore–filling and fracture–filling hydrates are widely distributed in marine clayey silt sediments. The filling characteristics of hydrates significantly affect the mechanical properties of sediments, which closely related to the hydrate safe exploitation. In this study, the differences in the mechanical properties between pore–filling hydrate–bearing sediment (PFHBS) and fracture–filling hydrate–bearing sediment (FFHBS) were compared and analyzed through a series of triaxial tests. Results showed that PFHBS and FFHBS significantly differed in mechanical properties under identical conditions. PFHBS and FFHBS with different hydrate saturations exhibited different stress–strain relationships. The enhancement effect of hydrates on the strength parameters of samples at the same saturation increment was influenced by the filling characteristics. Under identical hydrate saturation conditions, the failure strength and Young's modulus of FFHBS surpassed those of PFHBS, and the cohesion and internal friction angle of FFHBS increased by 76.92 % and 4.25 %, respectively, compared with those of PFHBS, while FFHBS exhibited greater volume expansion than PFHBS. The number of fracture layers in FFHBS had a positive correlation with the strength parameters of samples, yet intensified volume expansion. PFHBS and FFHBS exhibited different strength enhancement and shear mechanisms due to different hydrate filling characteristics. Hydrate filling characteristics Pore–filling hydrate Fracture–filling hydrate Hydrate–bearing sediments Strength and deformation Li, Yiming verfasserin (orcid)0009-0003-5181-2674 aut Jia, Rui verfasserin aut Wang, Yuan verfasserin aut Tang, Gege verfasserin (orcid)0009-0007-1607-8549 aut Li, Xiaolin verfasserin aut Enthalten in Energy Amsterdam [u.a.] : Elsevier Science, 1976 284 Online-Ressource (DE-627)320597903 (DE-600)2019804-8 (DE-576)116451815 1873-6785 nnns volume:284 GBV_USEFLAG_U GBV_ELV SYSFLAG_U 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_2008 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_2088 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_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 50.70 Energie: Allgemeines VZ AR 284
allfields_unstemmed	10.1016/j.energy.2023.129354 doi (DE-627)ELV065328825 (ELSEVIER)S0360-5442(23)02748-2 DE-627 ger DE-627 rda eng 600 VZ 50.70 bkl Guo, Wei verfasserin aut Experimental study on mechanical properties of pore-filling and fracture-filling clayey silt hydrate-bearing sediments 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Pore–filling and fracture–filling hydrates are widely distributed in marine clayey silt sediments. The filling characteristics of hydrates significantly affect the mechanical properties of sediments, which closely related to the hydrate safe exploitation. In this study, the differences in the mechanical properties between pore–filling hydrate–bearing sediment (PFHBS) and fracture–filling hydrate–bearing sediment (FFHBS) were compared and analyzed through a series of triaxial tests. Results showed that PFHBS and FFHBS significantly differed in mechanical properties under identical conditions. PFHBS and FFHBS with different hydrate saturations exhibited different stress–strain relationships. The enhancement effect of hydrates on the strength parameters of samples at the same saturation increment was influenced by the filling characteristics. Under identical hydrate saturation conditions, the failure strength and Young's modulus of FFHBS surpassed those of PFHBS, and the cohesion and internal friction angle of FFHBS increased by 76.92 % and 4.25 %, respectively, compared with those of PFHBS, while FFHBS exhibited greater volume expansion than PFHBS. The number of fracture layers in FFHBS had a positive correlation with the strength parameters of samples, yet intensified volume expansion. PFHBS and FFHBS exhibited different strength enhancement and shear mechanisms due to different hydrate filling characteristics. Hydrate filling characteristics Pore–filling hydrate Fracture–filling hydrate Hydrate–bearing sediments Strength and deformation Li, Yiming verfasserin (orcid)0009-0003-5181-2674 aut Jia, Rui verfasserin aut Wang, Yuan verfasserin aut Tang, Gege verfasserin (orcid)0009-0007-1607-8549 aut Li, Xiaolin verfasserin aut Enthalten in Energy Amsterdam [u.a.] : Elsevier Science, 1976 284 Online-Ressource (DE-627)320597903 (DE-600)2019804-8 (DE-576)116451815 1873-6785 nnns volume:284 GBV_USEFLAG_U GBV_ELV SYSFLAG_U 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_2008 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_2088 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_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 50.70 Energie: Allgemeines VZ AR 284
allfieldsGer	10.1016/j.energy.2023.129354 doi (DE-627)ELV065328825 (ELSEVIER)S0360-5442(23)02748-2 DE-627 ger DE-627 rda eng 600 VZ 50.70 bkl Guo, Wei verfasserin aut Experimental study on mechanical properties of pore-filling and fracture-filling clayey silt hydrate-bearing sediments 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Pore–filling and fracture–filling hydrates are widely distributed in marine clayey silt sediments. The filling characteristics of hydrates significantly affect the mechanical properties of sediments, which closely related to the hydrate safe exploitation. In this study, the differences in the mechanical properties between pore–filling hydrate–bearing sediment (PFHBS) and fracture–filling hydrate–bearing sediment (FFHBS) were compared and analyzed through a series of triaxial tests. Results showed that PFHBS and FFHBS significantly differed in mechanical properties under identical conditions. PFHBS and FFHBS with different hydrate saturations exhibited different stress–strain relationships. The enhancement effect of hydrates on the strength parameters of samples at the same saturation increment was influenced by the filling characteristics. Under identical hydrate saturation conditions, the failure strength and Young's modulus of FFHBS surpassed those of PFHBS, and the cohesion and internal friction angle of FFHBS increased by 76.92 % and 4.25 %, respectively, compared with those of PFHBS, while FFHBS exhibited greater volume expansion than PFHBS. The number of fracture layers in FFHBS had a positive correlation with the strength parameters of samples, yet intensified volume expansion. PFHBS and FFHBS exhibited different strength enhancement and shear mechanisms due to different hydrate filling characteristics. Hydrate filling characteristics Pore–filling hydrate Fracture–filling hydrate Hydrate–bearing sediments Strength and deformation Li, Yiming verfasserin (orcid)0009-0003-5181-2674 aut Jia, Rui verfasserin aut Wang, Yuan verfasserin aut Tang, Gege verfasserin (orcid)0009-0007-1607-8549 aut Li, Xiaolin verfasserin aut Enthalten in Energy Amsterdam [u.a.] : Elsevier Science, 1976 284 Online-Ressource (DE-627)320597903 (DE-600)2019804-8 (DE-576)116451815 1873-6785 nnns volume:284 GBV_USEFLAG_U GBV_ELV SYSFLAG_U 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_2008 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_2088 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_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 50.70 Energie: Allgemeines VZ AR 284
allfieldsSound	10.1016/j.energy.2023.129354 doi (DE-627)ELV065328825 (ELSEVIER)S0360-5442(23)02748-2 DE-627 ger DE-627 rda eng 600 VZ 50.70 bkl Guo, Wei verfasserin aut Experimental study on mechanical properties of pore-filling and fracture-filling clayey silt hydrate-bearing sediments 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Pore–filling and fracture–filling hydrates are widely distributed in marine clayey silt sediments. The filling characteristics of hydrates significantly affect the mechanical properties of sediments, which closely related to the hydrate safe exploitation. In this study, the differences in the mechanical properties between pore–filling hydrate–bearing sediment (PFHBS) and fracture–filling hydrate–bearing sediment (FFHBS) were compared and analyzed through a series of triaxial tests. Results showed that PFHBS and FFHBS significantly differed in mechanical properties under identical conditions. PFHBS and FFHBS with different hydrate saturations exhibited different stress–strain relationships. The enhancement effect of hydrates on the strength parameters of samples at the same saturation increment was influenced by the filling characteristics. Under identical hydrate saturation conditions, the failure strength and Young's modulus of FFHBS surpassed those of PFHBS, and the cohesion and internal friction angle of FFHBS increased by 76.92 % and 4.25 %, respectively, compared with those of PFHBS, while FFHBS exhibited greater volume expansion than PFHBS. The number of fracture layers in FFHBS had a positive correlation with the strength parameters of samples, yet intensified volume expansion. PFHBS and FFHBS exhibited different strength enhancement and shear mechanisms due to different hydrate filling characteristics. Hydrate filling characteristics Pore–filling hydrate Fracture–filling hydrate Hydrate–bearing sediments Strength and deformation Li, Yiming verfasserin (orcid)0009-0003-5181-2674 aut Jia, Rui verfasserin aut Wang, Yuan verfasserin aut Tang, Gege verfasserin (orcid)0009-0007-1607-8549 aut Li, Xiaolin verfasserin aut Enthalten in Energy Amsterdam [u.a.] : Elsevier Science, 1976 284 Online-Ressource (DE-627)320597903 (DE-600)2019804-8 (DE-576)116451815 1873-6785 nnns volume:284 GBV_USEFLAG_U GBV_ELV SYSFLAG_U 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_2008 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_2088 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_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 50.70 Energie: Allgemeines VZ AR 284
language	English
source	Enthalten in Energy 284 volume:284
sourceStr	Enthalten in Energy 284 volume:284
format_phy_str_mv	Article
bklname	Energie: Allgemeines
institution	findex.gbv.de
topic_facet	Hydrate filling characteristics Pore–filling hydrate Fracture–filling hydrate Hydrate–bearing sediments Strength and deformation
dewey-raw	600
isfreeaccess_bool	false
container_title	Energy
authorswithroles_txt_mv	Guo, Wei @@aut@@ Li, Yiming @@aut@@ Jia, Rui @@aut@@ Wang, Yuan @@aut@@ Tang, Gege @@aut@@ Li, Xiaolin @@aut@@
publishDateDaySort_date	2023-01-01T00:00:00Z
hierarchy_top_id	320597903
dewey-sort	3600
id	ELV065328825
language_de	englisch
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author	Guo, Wei
spellingShingle	Guo, Wei ddc 600 bkl 50.70 misc Hydrate filling characteristics misc Pore–filling hydrate misc Fracture–filling hydrate misc Hydrate–bearing sediments misc Strength and deformation Experimental study on mechanical properties of pore-filling and fracture-filling clayey silt hydrate-bearing sediments
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topic_title	600 VZ 50.70 bkl Experimental study on mechanical properties of pore-filling and fracture-filling clayey silt hydrate-bearing sediments Hydrate filling characteristics Pore–filling hydrate Fracture–filling hydrate Hydrate–bearing sediments Strength and deformation
topic	ddc 600 bkl 50.70 misc Hydrate filling characteristics misc Pore–filling hydrate misc Fracture–filling hydrate misc Hydrate–bearing sediments misc Strength and deformation
topic_unstemmed	ddc 600 bkl 50.70 misc Hydrate filling characteristics misc Pore–filling hydrate misc Fracture–filling hydrate misc Hydrate–bearing sediments misc Strength and deformation
topic_browse	ddc 600 bkl 50.70 misc Hydrate filling characteristics misc Pore–filling hydrate misc Fracture–filling hydrate misc Hydrate–bearing sediments misc Strength and deformation
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title	Experimental study on mechanical properties of pore-filling and fracture-filling clayey silt hydrate-bearing sediments
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title_full	Experimental study on mechanical properties of pore-filling and fracture-filling clayey silt hydrate-bearing sediments
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author_browse	Guo, Wei Li, Yiming Jia, Rui Wang, Yuan Tang, Gege Li, Xiaolin
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title_sort	experimental study on mechanical properties of pore-filling and fracture-filling clayey silt hydrate-bearing sediments
title_auth	Experimental study on mechanical properties of pore-filling and fracture-filling clayey silt hydrate-bearing sediments
abstract	Pore–filling and fracture–filling hydrates are widely distributed in marine clayey silt sediments. The filling characteristics of hydrates significantly affect the mechanical properties of sediments, which closely related to the hydrate safe exploitation. In this study, the differences in the mechanical properties between pore–filling hydrate–bearing sediment (PFHBS) and fracture–filling hydrate–bearing sediment (FFHBS) were compared and analyzed through a series of triaxial tests. Results showed that PFHBS and FFHBS significantly differed in mechanical properties under identical conditions. PFHBS and FFHBS with different hydrate saturations exhibited different stress–strain relationships. The enhancement effect of hydrates on the strength parameters of samples at the same saturation increment was influenced by the filling characteristics. Under identical hydrate saturation conditions, the failure strength and Young's modulus of FFHBS surpassed those of PFHBS, and the cohesion and internal friction angle of FFHBS increased by 76.92 % and 4.25 %, respectively, compared with those of PFHBS, while FFHBS exhibited greater volume expansion than PFHBS. The number of fracture layers in FFHBS had a positive correlation with the strength parameters of samples, yet intensified volume expansion. PFHBS and FFHBS exhibited different strength enhancement and shear mechanisms due to different hydrate filling characteristics.
abstractGer	Pore–filling and fracture–filling hydrates are widely distributed in marine clayey silt sediments. The filling characteristics of hydrates significantly affect the mechanical properties of sediments, which closely related to the hydrate safe exploitation. In this study, the differences in the mechanical properties between pore–filling hydrate–bearing sediment (PFHBS) and fracture–filling hydrate–bearing sediment (FFHBS) were compared and analyzed through a series of triaxial tests. Results showed that PFHBS and FFHBS significantly differed in mechanical properties under identical conditions. PFHBS and FFHBS with different hydrate saturations exhibited different stress–strain relationships. The enhancement effect of hydrates on the strength parameters of samples at the same saturation increment was influenced by the filling characteristics. Under identical hydrate saturation conditions, the failure strength and Young's modulus of FFHBS surpassed those of PFHBS, and the cohesion and internal friction angle of FFHBS increased by 76.92 % and 4.25 %, respectively, compared with those of PFHBS, while FFHBS exhibited greater volume expansion than PFHBS. The number of fracture layers in FFHBS had a positive correlation with the strength parameters of samples, yet intensified volume expansion. PFHBS and FFHBS exhibited different strength enhancement and shear mechanisms due to different hydrate filling characteristics.
abstract_unstemmed	Pore–filling and fracture–filling hydrates are widely distributed in marine clayey silt sediments. The filling characteristics of hydrates significantly affect the mechanical properties of sediments, which closely related to the hydrate safe exploitation. In this study, the differences in the mechanical properties between pore–filling hydrate–bearing sediment (PFHBS) and fracture–filling hydrate–bearing sediment (FFHBS) were compared and analyzed through a series of triaxial tests. Results showed that PFHBS and FFHBS significantly differed in mechanical properties under identical conditions. PFHBS and FFHBS with different hydrate saturations exhibited different stress–strain relationships. The enhancement effect of hydrates on the strength parameters of samples at the same saturation increment was influenced by the filling characteristics. Under identical hydrate saturation conditions, the failure strength and Young's modulus of FFHBS surpassed those of PFHBS, and the cohesion and internal friction angle of FFHBS increased by 76.92 % and 4.25 %, respectively, compared with those of PFHBS, while FFHBS exhibited greater volume expansion than PFHBS. The number of fracture layers in FFHBS had a positive correlation with the strength parameters of samples, yet intensified volume expansion. PFHBS and FFHBS exhibited different strength enhancement and shear mechanisms due to different hydrate filling characteristics.
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title_short	Experimental study on mechanical properties of pore-filling and fracture-filling clayey silt hydrate-bearing sediments
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author2	Li, Yiming Jia, Rui Wang, Yuan Tang, Gege Li, Xiaolin
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doi_str	10.1016/j.energy.2023.129354
up_date	2024-07-06T22:38:54.544Z
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Experimental study on mechanical properties of pore-filling and fracture-filling clayey silt hydrate-bearing sediments

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