Characterization and comparison of 3D pore structures and their changes during collapse in Chinese loess and pore classification in terms of collapsibility

Abstract The pore structure of loess greatly influences its collapse potential and other engineering properties. In this study, the pore structures of Malan loess from Lanzhou (LZ), Qingyang (QY) and Jingyang (JY) and their changes during collapse were characterized and compared through microcompute...
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Gespeichert in:

Autor*in:	Wei, Ya-ni [verfasserIn] Chen, Hanghang [verfasserIn] Fan, Wen [verfasserIn] Liang, Jiayu [verfasserIn] Ma, Guanglin [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2024

Schlagwörter:	Malan loess Collapse Discrete pore size distribution Continuous pore size distribution Pore classification

Anmerkung:	© The Author(s) 2024

Übergeordnetes Werk:	Enthalten in: Bulletin of engineering geology and the environment - Springer Berlin Heidelberg, 1970, 83(2024), 10 vom: 24. Sept.
Übergeordnetes Werk:	volume:83 ; year:2024 ; number:10 ; day:24 ; month:09

Links:	Volltext

DOI / URN:	10.1007/s10064-024-03907-3

Katalog-ID:	SPR057424284

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100	1		\|a Wei, Ya-ni \|e verfasserin \|4 aut
245	1	0	\|a Characterization and comparison of 3D pore structures and their changes during collapse in Chinese loess and pore classification in terms of collapsibility
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520			\|a Abstract The pore structure of loess greatly influences its collapse potential and other engineering properties. In this study, the pore structures of Malan loess from Lanzhou (LZ), Qingyang (QY) and Jingyang (JY) and their changes during collapse were characterized and compared through microcomputed tomography (µ-CT) scanning and mercury intrusion porosimetry (MIP) test. The correlation between pore structure and collapse potential was addressed, and a pore classification was ultimately suggested. The results indicate that the LZ loess has a more homogeneous pore structure with inter-skeleton particle pores and spaced pores than the QY and JY loesses with primary inter and intra-aggregate pores and constricted pores. During collapse, pores larger than 35 μm changed into smaller pores, accompanied by a decrease of entrance pores larger than 8 μm in the three loess samples. The pores change in size through two major ways, one is that skeleton particles slide and rearrange, causing the collapse of inter-skeleton and spaced pores and a decrease or closing of pore channels (i.e., for LZ loess). The other is that clay buttresses swell and disperse in the inter-aggregate pores, separating large pores into smaller ones, and forming a more homogeneous pore structure and more pore channels (i.e., for QY loess and JY loess). The dominant inter-skeleton particle pores and the large mean pore size in the LZ loess contribute to its greatest collapse potential. Based on the discrete pore size distributions and their changes, 10, 35 and 80 μm were selected as boundaries for pore classification in terms of collapsibility.
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650		4	\|a Continuous pore size distribution \|7 (dpeaa)DE-He213
650		4	\|a Pore classification \|7 (dpeaa)DE-He213
700	1		\|a Chen, Hanghang \|e verfasserin \|4 aut
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700	1		\|a Liang, Jiayu \|e verfasserin \|4 aut
700	1		\|a Ma, Guanglin \|e verfasserin \|4 aut
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allfields	10.1007/s10064-024-03907-3 doi (DE-627)SPR057424284 (SPR)s10064-024-03907-3-e DE-627 ger DE-627 rakwb eng 550 600 VZ 38.58 bkl 56.00 bkl 56.20 bkl Wei, Ya-ni verfasserin aut Characterization and comparison of 3D pore structures and their changes during collapse in Chinese loess and pore classification in terms of collapsibility 2024 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2024 Abstract The pore structure of loess greatly influences its collapse potential and other engineering properties. In this study, the pore structures of Malan loess from Lanzhou (LZ), Qingyang (QY) and Jingyang (JY) and their changes during collapse were characterized and compared through microcomputed tomography (µ-CT) scanning and mercury intrusion porosimetry (MIP) test. The correlation between pore structure and collapse potential was addressed, and a pore classification was ultimately suggested. The results indicate that the LZ loess has a more homogeneous pore structure with inter-skeleton particle pores and spaced pores than the QY and JY loesses with primary inter and intra-aggregate pores and constricted pores. During collapse, pores larger than 35 μm changed into smaller pores, accompanied by a decrease of entrance pores larger than 8 μm in the three loess samples. The pores change in size through two major ways, one is that skeleton particles slide and rearrange, causing the collapse of inter-skeleton and spaced pores and a decrease or closing of pore channels (i.e., for LZ loess). The other is that clay buttresses swell and disperse in the inter-aggregate pores, separating large pores into smaller ones, and forming a more homogeneous pore structure and more pore channels (i.e., for QY loess and JY loess). The dominant inter-skeleton particle pores and the large mean pore size in the LZ loess contribute to its greatest collapse potential. Based on the discrete pore size distributions and their changes, 10, 35 and 80 μm were selected as boundaries for pore classification in terms of collapsibility. Malan loess (dpeaa)DE-He213 Collapse (dpeaa)DE-He213 Discrete pore size distribution (dpeaa)DE-He213 Continuous pore size distribution (dpeaa)DE-He213 Pore classification (dpeaa)DE-He213 Chen, Hanghang verfasserin aut Fan, Wen verfasserin (orcid)0000-0002-1260-8027 aut Liang, Jiayu verfasserin aut Ma, Guanglin verfasserin aut Enthalten in Bulletin of engineering geology and the environment Springer Berlin Heidelberg, 1970 83(2024), 10 vom: 24. Sept. (DE-627)271597011 (DE-600)1480689-7 1435-9537 nnns volume:83 year:2024 number:10 day:24 month:09 https://dx.doi.org/10.1007/s10064-024-03907-3 X:SPRINGER Resolving-System lizenzpflichtig Volltext SYSFLAG_0 GBV_SPRINGER SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_72 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 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_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2574 GBV_ILN_4029 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4116 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4155 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4315 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 38.58 VZ 56.00 VZ 56.20 VZ AR 83 2024 10 24 09
spelling	10.1007/s10064-024-03907-3 doi (DE-627)SPR057424284 (SPR)s10064-024-03907-3-e DE-627 ger DE-627 rakwb eng 550 600 VZ 38.58 bkl 56.00 bkl 56.20 bkl Wei, Ya-ni verfasserin aut Characterization and comparison of 3D pore structures and their changes during collapse in Chinese loess and pore classification in terms of collapsibility 2024 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2024 Abstract The pore structure of loess greatly influences its collapse potential and other engineering properties. In this study, the pore structures of Malan loess from Lanzhou (LZ), Qingyang (QY) and Jingyang (JY) and their changes during collapse were characterized and compared through microcomputed tomography (µ-CT) scanning and mercury intrusion porosimetry (MIP) test. The correlation between pore structure and collapse potential was addressed, and a pore classification was ultimately suggested. The results indicate that the LZ loess has a more homogeneous pore structure with inter-skeleton particle pores and spaced pores than the QY and JY loesses with primary inter and intra-aggregate pores and constricted pores. During collapse, pores larger than 35 μm changed into smaller pores, accompanied by a decrease of entrance pores larger than 8 μm in the three loess samples. The pores change in size through two major ways, one is that skeleton particles slide and rearrange, causing the collapse of inter-skeleton and spaced pores and a decrease or closing of pore channels (i.e., for LZ loess). The other is that clay buttresses swell and disperse in the inter-aggregate pores, separating large pores into smaller ones, and forming a more homogeneous pore structure and more pore channels (i.e., for QY loess and JY loess). The dominant inter-skeleton particle pores and the large mean pore size in the LZ loess contribute to its greatest collapse potential. Based on the discrete pore size distributions and their changes, 10, 35 and 80 μm were selected as boundaries for pore classification in terms of collapsibility. Malan loess (dpeaa)DE-He213 Collapse (dpeaa)DE-He213 Discrete pore size distribution (dpeaa)DE-He213 Continuous pore size distribution (dpeaa)DE-He213 Pore classification (dpeaa)DE-He213 Chen, Hanghang verfasserin aut Fan, Wen verfasserin (orcid)0000-0002-1260-8027 aut Liang, Jiayu verfasserin aut Ma, Guanglin verfasserin aut Enthalten in Bulletin of engineering geology and the environment Springer Berlin Heidelberg, 1970 83(2024), 10 vom: 24. Sept. (DE-627)271597011 (DE-600)1480689-7 1435-9537 nnns volume:83 year:2024 number:10 day:24 month:09 https://dx.doi.org/10.1007/s10064-024-03907-3 X:SPRINGER Resolving-System lizenzpflichtig Volltext SYSFLAG_0 GBV_SPRINGER SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_72 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 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_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2574 GBV_ILN_4029 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4116 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4155 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4315 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 38.58 VZ 56.00 VZ 56.20 VZ AR 83 2024 10 24 09
allfields_unstemmed	10.1007/s10064-024-03907-3 doi (DE-627)SPR057424284 (SPR)s10064-024-03907-3-e DE-627 ger DE-627 rakwb eng 550 600 VZ 38.58 bkl 56.00 bkl 56.20 bkl Wei, Ya-ni verfasserin aut Characterization and comparison of 3D pore structures and their changes during collapse in Chinese loess and pore classification in terms of collapsibility 2024 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2024 Abstract The pore structure of loess greatly influences its collapse potential and other engineering properties. In this study, the pore structures of Malan loess from Lanzhou (LZ), Qingyang (QY) and Jingyang (JY) and their changes during collapse were characterized and compared through microcomputed tomography (µ-CT) scanning and mercury intrusion porosimetry (MIP) test. The correlation between pore structure and collapse potential was addressed, and a pore classification was ultimately suggested. The results indicate that the LZ loess has a more homogeneous pore structure with inter-skeleton particle pores and spaced pores than the QY and JY loesses with primary inter and intra-aggregate pores and constricted pores. During collapse, pores larger than 35 μm changed into smaller pores, accompanied by a decrease of entrance pores larger than 8 μm in the three loess samples. The pores change in size through two major ways, one is that skeleton particles slide and rearrange, causing the collapse of inter-skeleton and spaced pores and a decrease or closing of pore channels (i.e., for LZ loess). The other is that clay buttresses swell and disperse in the inter-aggregate pores, separating large pores into smaller ones, and forming a more homogeneous pore structure and more pore channels (i.e., for QY loess and JY loess). The dominant inter-skeleton particle pores and the large mean pore size in the LZ loess contribute to its greatest collapse potential. Based on the discrete pore size distributions and their changes, 10, 35 and 80 μm were selected as boundaries for pore classification in terms of collapsibility. Malan loess (dpeaa)DE-He213 Collapse (dpeaa)DE-He213 Discrete pore size distribution (dpeaa)DE-He213 Continuous pore size distribution (dpeaa)DE-He213 Pore classification (dpeaa)DE-He213 Chen, Hanghang verfasserin aut Fan, Wen verfasserin (orcid)0000-0002-1260-8027 aut Liang, Jiayu verfasserin aut Ma, Guanglin verfasserin aut Enthalten in Bulletin of engineering geology and the environment Springer Berlin Heidelberg, 1970 83(2024), 10 vom: 24. Sept. (DE-627)271597011 (DE-600)1480689-7 1435-9537 nnns volume:83 year:2024 number:10 day:24 month:09 https://dx.doi.org/10.1007/s10064-024-03907-3 X:SPRINGER Resolving-System lizenzpflichtig Volltext SYSFLAG_0 GBV_SPRINGER SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_72 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 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_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2574 GBV_ILN_4029 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4116 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4155 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4315 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 38.58 VZ 56.00 VZ 56.20 VZ AR 83 2024 10 24 09
allfieldsGer	10.1007/s10064-024-03907-3 doi (DE-627)SPR057424284 (SPR)s10064-024-03907-3-e DE-627 ger DE-627 rakwb eng 550 600 VZ 38.58 bkl 56.00 bkl 56.20 bkl Wei, Ya-ni verfasserin aut Characterization and comparison of 3D pore structures and their changes during collapse in Chinese loess and pore classification in terms of collapsibility 2024 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2024 Abstract The pore structure of loess greatly influences its collapse potential and other engineering properties. In this study, the pore structures of Malan loess from Lanzhou (LZ), Qingyang (QY) and Jingyang (JY) and their changes during collapse were characterized and compared through microcomputed tomography (µ-CT) scanning and mercury intrusion porosimetry (MIP) test. The correlation between pore structure and collapse potential was addressed, and a pore classification was ultimately suggested. The results indicate that the LZ loess has a more homogeneous pore structure with inter-skeleton particle pores and spaced pores than the QY and JY loesses with primary inter and intra-aggregate pores and constricted pores. During collapse, pores larger than 35 μm changed into smaller pores, accompanied by a decrease of entrance pores larger than 8 μm in the three loess samples. The pores change in size through two major ways, one is that skeleton particles slide and rearrange, causing the collapse of inter-skeleton and spaced pores and a decrease or closing of pore channels (i.e., for LZ loess). The other is that clay buttresses swell and disperse in the inter-aggregate pores, separating large pores into smaller ones, and forming a more homogeneous pore structure and more pore channels (i.e., for QY loess and JY loess). The dominant inter-skeleton particle pores and the large mean pore size in the LZ loess contribute to its greatest collapse potential. Based on the discrete pore size distributions and their changes, 10, 35 and 80 μm were selected as boundaries for pore classification in terms of collapsibility. Malan loess (dpeaa)DE-He213 Collapse (dpeaa)DE-He213 Discrete pore size distribution (dpeaa)DE-He213 Continuous pore size distribution (dpeaa)DE-He213 Pore classification (dpeaa)DE-He213 Chen, Hanghang verfasserin aut Fan, Wen verfasserin (orcid)0000-0002-1260-8027 aut Liang, Jiayu verfasserin aut Ma, Guanglin verfasserin aut Enthalten in Bulletin of engineering geology and the environment Springer Berlin Heidelberg, 1970 83(2024), 10 vom: 24. Sept. (DE-627)271597011 (DE-600)1480689-7 1435-9537 nnns volume:83 year:2024 number:10 day:24 month:09 https://dx.doi.org/10.1007/s10064-024-03907-3 X:SPRINGER Resolving-System lizenzpflichtig Volltext SYSFLAG_0 GBV_SPRINGER SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_72 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 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_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2574 GBV_ILN_4029 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4116 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4155 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4315 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 38.58 VZ 56.00 VZ 56.20 VZ AR 83 2024 10 24 09
allfieldsSound	10.1007/s10064-024-03907-3 doi (DE-627)SPR057424284 (SPR)s10064-024-03907-3-e DE-627 ger DE-627 rakwb eng 550 600 VZ 38.58 bkl 56.00 bkl 56.20 bkl Wei, Ya-ni verfasserin aut Characterization and comparison of 3D pore structures and their changes during collapse in Chinese loess and pore classification in terms of collapsibility 2024 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2024 Abstract The pore structure of loess greatly influences its collapse potential and other engineering properties. In this study, the pore structures of Malan loess from Lanzhou (LZ), Qingyang (QY) and Jingyang (JY) and their changes during collapse were characterized and compared through microcomputed tomography (µ-CT) scanning and mercury intrusion porosimetry (MIP) test. The correlation between pore structure and collapse potential was addressed, and a pore classification was ultimately suggested. The results indicate that the LZ loess has a more homogeneous pore structure with inter-skeleton particle pores and spaced pores than the QY and JY loesses with primary inter and intra-aggregate pores and constricted pores. During collapse, pores larger than 35 μm changed into smaller pores, accompanied by a decrease of entrance pores larger than 8 μm in the three loess samples. The pores change in size through two major ways, one is that skeleton particles slide and rearrange, causing the collapse of inter-skeleton and spaced pores and a decrease or closing of pore channels (i.e., for LZ loess). The other is that clay buttresses swell and disperse in the inter-aggregate pores, separating large pores into smaller ones, and forming a more homogeneous pore structure and more pore channels (i.e., for QY loess and JY loess). The dominant inter-skeleton particle pores and the large mean pore size in the LZ loess contribute to its greatest collapse potential. Based on the discrete pore size distributions and their changes, 10, 35 and 80 μm were selected as boundaries for pore classification in terms of collapsibility. Malan loess (dpeaa)DE-He213 Collapse (dpeaa)DE-He213 Discrete pore size distribution (dpeaa)DE-He213 Continuous pore size distribution (dpeaa)DE-He213 Pore classification (dpeaa)DE-He213 Chen, Hanghang verfasserin aut Fan, Wen verfasserin (orcid)0000-0002-1260-8027 aut Liang, Jiayu verfasserin aut Ma, Guanglin verfasserin aut Enthalten in Bulletin of engineering geology and the environment Springer Berlin Heidelberg, 1970 83(2024), 10 vom: 24. Sept. (DE-627)271597011 (DE-600)1480689-7 1435-9537 nnns volume:83 year:2024 number:10 day:24 month:09 https://dx.doi.org/10.1007/s10064-024-03907-3 X:SPRINGER Resolving-System lizenzpflichtig Volltext SYSFLAG_0 GBV_SPRINGER SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_72 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 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_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2574 GBV_ILN_4029 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4116 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4155 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4315 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 38.58 VZ 56.00 VZ 56.20 VZ AR 83 2024 10 24 09
language	English
source	Enthalten in Bulletin of engineering geology and the environment 83(2024), 10 vom: 24. Sept. volume:83 year:2024 number:10 day:24 month:09
sourceStr	Enthalten in Bulletin of engineering geology and the environment 83(2024), 10 vom: 24. Sept. volume:83 year:2024 number:10 day:24 month:09
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Malan loess Collapse Discrete pore size distribution Continuous pore size distribution Pore classification
dewey-raw	550
isfreeaccess_bool	false
container_title	Bulletin of engineering geology and the environment
authorswithroles_txt_mv	Wei, Ya-ni @@aut@@ Chen, Hanghang @@aut@@ Fan, Wen @@aut@@ Liang, Jiayu @@aut@@ Ma, Guanglin @@aut@@
publishDateDaySort_date	2024-09-24T00:00:00Z
hierarchy_top_id	271597011
dewey-sort	3550
id	SPR057424284
language_de	englisch
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author	Wei, Ya-ni
spellingShingle	Wei, Ya-ni ddc 550 bkl 38.58 bkl 56.00 bkl 56.20 misc Malan loess misc Collapse misc Discrete pore size distribution misc Continuous pore size distribution misc Pore classification Characterization and comparison of 3D pore structures and their changes during collapse in Chinese loess and pore classification in terms of collapsibility
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topic_title	550 600 VZ 38.58 bkl 56.00 bkl 56.20 bkl Characterization and comparison of 3D pore structures and their changes during collapse in Chinese loess and pore classification in terms of collapsibility Malan loess (dpeaa)DE-He213 Collapse (dpeaa)DE-He213 Discrete pore size distribution (dpeaa)DE-He213 Continuous pore size distribution (dpeaa)DE-He213 Pore classification (dpeaa)DE-He213
topic	ddc 550 bkl 38.58 bkl 56.00 bkl 56.20 misc Malan loess misc Collapse misc Discrete pore size distribution misc Continuous pore size distribution misc Pore classification
topic_unstemmed	ddc 550 bkl 38.58 bkl 56.00 bkl 56.20 misc Malan loess misc Collapse misc Discrete pore size distribution misc Continuous pore size distribution misc Pore classification
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title	Characterization and comparison of 3D pore structures and their changes during collapse in Chinese loess and pore classification in terms of collapsibility
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title_full	Characterization and comparison of 3D pore structures and their changes during collapse in Chinese loess and pore classification in terms of collapsibility
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author_browse	Wei, Ya-ni Chen, Hanghang Fan, Wen Liang, Jiayu Ma, Guanglin
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title_sort	characterization and comparison of 3d pore structures and their changes during collapse in chinese loess and pore classification in terms of collapsibility
title_auth	Characterization and comparison of 3D pore structures and their changes during collapse in Chinese loess and pore classification in terms of collapsibility
abstract	Abstract The pore structure of loess greatly influences its collapse potential and other engineering properties. In this study, the pore structures of Malan loess from Lanzhou (LZ), Qingyang (QY) and Jingyang (JY) and their changes during collapse were characterized and compared through microcomputed tomography (µ-CT) scanning and mercury intrusion porosimetry (MIP) test. The correlation between pore structure and collapse potential was addressed, and a pore classification was ultimately suggested. The results indicate that the LZ loess has a more homogeneous pore structure with inter-skeleton particle pores and spaced pores than the QY and JY loesses with primary inter and intra-aggregate pores and constricted pores. During collapse, pores larger than 35 μm changed into smaller pores, accompanied by a decrease of entrance pores larger than 8 μm in the three loess samples. The pores change in size through two major ways, one is that skeleton particles slide and rearrange, causing the collapse of inter-skeleton and spaced pores and a decrease or closing of pore channels (i.e., for LZ loess). The other is that clay buttresses swell and disperse in the inter-aggregate pores, separating large pores into smaller ones, and forming a more homogeneous pore structure and more pore channels (i.e., for QY loess and JY loess). The dominant inter-skeleton particle pores and the large mean pore size in the LZ loess contribute to its greatest collapse potential. Based on the discrete pore size distributions and their changes, 10, 35 and 80 μm were selected as boundaries for pore classification in terms of collapsibility. © The Author(s) 2024
abstractGer	Abstract The pore structure of loess greatly influences its collapse potential and other engineering properties. In this study, the pore structures of Malan loess from Lanzhou (LZ), Qingyang (QY) and Jingyang (JY) and their changes during collapse were characterized and compared through microcomputed tomography (µ-CT) scanning and mercury intrusion porosimetry (MIP) test. The correlation between pore structure and collapse potential was addressed, and a pore classification was ultimately suggested. The results indicate that the LZ loess has a more homogeneous pore structure with inter-skeleton particle pores and spaced pores than the QY and JY loesses with primary inter and intra-aggregate pores and constricted pores. During collapse, pores larger than 35 μm changed into smaller pores, accompanied by a decrease of entrance pores larger than 8 μm in the three loess samples. The pores change in size through two major ways, one is that skeleton particles slide and rearrange, causing the collapse of inter-skeleton and spaced pores and a decrease or closing of pore channels (i.e., for LZ loess). The other is that clay buttresses swell and disperse in the inter-aggregate pores, separating large pores into smaller ones, and forming a more homogeneous pore structure and more pore channels (i.e., for QY loess and JY loess). The dominant inter-skeleton particle pores and the large mean pore size in the LZ loess contribute to its greatest collapse potential. Based on the discrete pore size distributions and their changes, 10, 35 and 80 μm were selected as boundaries for pore classification in terms of collapsibility. © The Author(s) 2024
abstract_unstemmed	Abstract The pore structure of loess greatly influences its collapse potential and other engineering properties. In this study, the pore structures of Malan loess from Lanzhou (LZ), Qingyang (QY) and Jingyang (JY) and their changes during collapse were characterized and compared through microcomputed tomography (µ-CT) scanning and mercury intrusion porosimetry (MIP) test. The correlation between pore structure and collapse potential was addressed, and a pore classification was ultimately suggested. The results indicate that the LZ loess has a more homogeneous pore structure with inter-skeleton particle pores and spaced pores than the QY and JY loesses with primary inter and intra-aggregate pores and constricted pores. During collapse, pores larger than 35 μm changed into smaller pores, accompanied by a decrease of entrance pores larger than 8 μm in the three loess samples. The pores change in size through two major ways, one is that skeleton particles slide and rearrange, causing the collapse of inter-skeleton and spaced pores and a decrease or closing of pore channels (i.e., for LZ loess). The other is that clay buttresses swell and disperse in the inter-aggregate pores, separating large pores into smaller ones, and forming a more homogeneous pore structure and more pore channels (i.e., for QY loess and JY loess). The dominant inter-skeleton particle pores and the large mean pore size in the LZ loess contribute to its greatest collapse potential. Based on the discrete pore size distributions and their changes, 10, 35 and 80 μm were selected as boundaries for pore classification in terms of collapsibility. © The Author(s) 2024
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container_issue	10
title_short	Characterization and comparison of 3D pore structures and their changes during collapse in Chinese loess and pore classification in terms of collapsibility
url	https://dx.doi.org/10.1007/s10064-024-03907-3
remote_bool	true
author2	Chen, Hanghang Fan, Wen Liang, Jiayu Ma, Guanglin
author2Str	Chen, Hanghang Fan, Wen Liang, Jiayu Ma, Guanglin
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doi_str	10.1007/s10064-024-03907-3
up_date	2024-10-19T04:52:25.082Z
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Characterization and comparison of 3D pore structures and their changes during collapse in Chinese loess and pore classification in terms of collapsibility

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