Microstructural interpretation of effective stress equations for unsaturated sands

Abstract It was fairly accepted to interpret soil behaviour at the microstructural level by utilising the effective degree of saturation instead of the total degree of saturation in the effective stress equation for unsaturated fine-grained soils. However, this interpretation for pure sands was unde...
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Autor*in:	Shwan, B. J. [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2023

Schlagwörter:	Shear resistance Microstructural analysis Effective stress Effective degree of saturation

Anmerkung:	© The Author(s) 2023

Übergeordnetes Werk:	Enthalten in: International journal of geo-engineering - Berlin : Springer, 2014, 14(2023), 1 vom: 13. Feb.
Übergeordnetes Werk:	volume:14 ; year:2023 ; number:1 ; day:13 ; month:02

Links:	Volltext

DOI / URN:	10.1186/s40703-022-00181-8

Katalog-ID:	SPR049325159

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allfields	10.1186/s40703-022-00181-8 doi (DE-627)SPR049325159 (SPR)s40703-022-00181-8-e DE-627 ger DE-627 rakwb eng Shwan, B. J. verfasserin (orcid)0000-0002-8137-3428 aut Microstructural interpretation of effective stress equations for unsaturated sands 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2023 Abstract It was fairly accepted to interpret soil behaviour at the microstructural level by utilising the effective degree of saturation instead of the total degree of saturation in the effective stress equation for unsaturated fine-grained soils. However, this interpretation for pure sands was under-represented in the literature. On the basis of shear strength evolution with suction, this paper reports a series of experimental tests to evaluate the use of the soil microstructural interpretation for fine sands. The tests comprised direct shear and unconfined-compression tests at different suction profiles. The analysis of the experimental test results suggested that the contribution of the effective degree of saturation was trivial and was almost equal to the total degree of saturation, therefore, shear strength evolution, owing to the suction effect, can be related to the single stress variable, Bishop’s equation. In addition, it was hypothesised that the shear strength evolution was attributed to the soil fabric changes. Shear resistance (dpeaa)DE-He213 Microstructural analysis (dpeaa)DE-He213 Effective stress (dpeaa)DE-He213 Effective degree of saturation (dpeaa)DE-He213 Enthalten in International journal of geo-engineering Berlin : Springer, 2014 14(2023), 1 vom: 13. Feb. (DE-627)823091775 (DE-600)2818309-5 2198-2783 nnns volume:14 year:2023 number:1 day:13 month:02 https://dx.doi.org/10.1186/s40703-022-00181-8 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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_4338 GBV_ILN_4367 GBV_ILN_4700 AR 14 2023 1 13 02
spelling	10.1186/s40703-022-00181-8 doi (DE-627)SPR049325159 (SPR)s40703-022-00181-8-e DE-627 ger DE-627 rakwb eng Shwan, B. J. verfasserin (orcid)0000-0002-8137-3428 aut Microstructural interpretation of effective stress equations for unsaturated sands 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2023 Abstract It was fairly accepted to interpret soil behaviour at the microstructural level by utilising the effective degree of saturation instead of the total degree of saturation in the effective stress equation for unsaturated fine-grained soils. However, this interpretation for pure sands was under-represented in the literature. On the basis of shear strength evolution with suction, this paper reports a series of experimental tests to evaluate the use of the soil microstructural interpretation for fine sands. The tests comprised direct shear and unconfined-compression tests at different suction profiles. The analysis of the experimental test results suggested that the contribution of the effective degree of saturation was trivial and was almost equal to the total degree of saturation, therefore, shear strength evolution, owing to the suction effect, can be related to the single stress variable, Bishop’s equation. In addition, it was hypothesised that the shear strength evolution was attributed to the soil fabric changes. Shear resistance (dpeaa)DE-He213 Microstructural analysis (dpeaa)DE-He213 Effective stress (dpeaa)DE-He213 Effective degree of saturation (dpeaa)DE-He213 Enthalten in International journal of geo-engineering Berlin : Springer, 2014 14(2023), 1 vom: 13. Feb. (DE-627)823091775 (DE-600)2818309-5 2198-2783 nnns volume:14 year:2023 number:1 day:13 month:02 https://dx.doi.org/10.1186/s40703-022-00181-8 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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_4338 GBV_ILN_4367 GBV_ILN_4700 AR 14 2023 1 13 02
allfields_unstemmed	10.1186/s40703-022-00181-8 doi (DE-627)SPR049325159 (SPR)s40703-022-00181-8-e DE-627 ger DE-627 rakwb eng Shwan, B. J. verfasserin (orcid)0000-0002-8137-3428 aut Microstructural interpretation of effective stress equations for unsaturated sands 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2023 Abstract It was fairly accepted to interpret soil behaviour at the microstructural level by utilising the effective degree of saturation instead of the total degree of saturation in the effective stress equation for unsaturated fine-grained soils. However, this interpretation for pure sands was under-represented in the literature. On the basis of shear strength evolution with suction, this paper reports a series of experimental tests to evaluate the use of the soil microstructural interpretation for fine sands. The tests comprised direct shear and unconfined-compression tests at different suction profiles. The analysis of the experimental test results suggested that the contribution of the effective degree of saturation was trivial and was almost equal to the total degree of saturation, therefore, shear strength evolution, owing to the suction effect, can be related to the single stress variable, Bishop’s equation. In addition, it was hypothesised that the shear strength evolution was attributed to the soil fabric changes. Shear resistance (dpeaa)DE-He213 Microstructural analysis (dpeaa)DE-He213 Effective stress (dpeaa)DE-He213 Effective degree of saturation (dpeaa)DE-He213 Enthalten in International journal of geo-engineering Berlin : Springer, 2014 14(2023), 1 vom: 13. Feb. (DE-627)823091775 (DE-600)2818309-5 2198-2783 nnns volume:14 year:2023 number:1 day:13 month:02 https://dx.doi.org/10.1186/s40703-022-00181-8 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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_4338 GBV_ILN_4367 GBV_ILN_4700 AR 14 2023 1 13 02
allfieldsGer	10.1186/s40703-022-00181-8 doi (DE-627)SPR049325159 (SPR)s40703-022-00181-8-e DE-627 ger DE-627 rakwb eng Shwan, B. J. verfasserin (orcid)0000-0002-8137-3428 aut Microstructural interpretation of effective stress equations for unsaturated sands 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2023 Abstract It was fairly accepted to interpret soil behaviour at the microstructural level by utilising the effective degree of saturation instead of the total degree of saturation in the effective stress equation for unsaturated fine-grained soils. However, this interpretation for pure sands was under-represented in the literature. On the basis of shear strength evolution with suction, this paper reports a series of experimental tests to evaluate the use of the soil microstructural interpretation for fine sands. The tests comprised direct shear and unconfined-compression tests at different suction profiles. The analysis of the experimental test results suggested that the contribution of the effective degree of saturation was trivial and was almost equal to the total degree of saturation, therefore, shear strength evolution, owing to the suction effect, can be related to the single stress variable, Bishop’s equation. In addition, it was hypothesised that the shear strength evolution was attributed to the soil fabric changes. Shear resistance (dpeaa)DE-He213 Microstructural analysis (dpeaa)DE-He213 Effective stress (dpeaa)DE-He213 Effective degree of saturation (dpeaa)DE-He213 Enthalten in International journal of geo-engineering Berlin : Springer, 2014 14(2023), 1 vom: 13. Feb. (DE-627)823091775 (DE-600)2818309-5 2198-2783 nnns volume:14 year:2023 number:1 day:13 month:02 https://dx.doi.org/10.1186/s40703-022-00181-8 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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_4338 GBV_ILN_4367 GBV_ILN_4700 AR 14 2023 1 13 02
allfieldsSound	10.1186/s40703-022-00181-8 doi (DE-627)SPR049325159 (SPR)s40703-022-00181-8-e DE-627 ger DE-627 rakwb eng Shwan, B. J. verfasserin (orcid)0000-0002-8137-3428 aut Microstructural interpretation of effective stress equations for unsaturated sands 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2023 Abstract It was fairly accepted to interpret soil behaviour at the microstructural level by utilising the effective degree of saturation instead of the total degree of saturation in the effective stress equation for unsaturated fine-grained soils. However, this interpretation for pure sands was under-represented in the literature. On the basis of shear strength evolution with suction, this paper reports a series of experimental tests to evaluate the use of the soil microstructural interpretation for fine sands. The tests comprised direct shear and unconfined-compression tests at different suction profiles. The analysis of the experimental test results suggested that the contribution of the effective degree of saturation was trivial and was almost equal to the total degree of saturation, therefore, shear strength evolution, owing to the suction effect, can be related to the single stress variable, Bishop’s equation. In addition, it was hypothesised that the shear strength evolution was attributed to the soil fabric changes. Shear resistance (dpeaa)DE-He213 Microstructural analysis (dpeaa)DE-He213 Effective stress (dpeaa)DE-He213 Effective degree of saturation (dpeaa)DE-He213 Enthalten in International journal of geo-engineering Berlin : Springer, 2014 14(2023), 1 vom: 13. Feb. (DE-627)823091775 (DE-600)2818309-5 2198-2783 nnns volume:14 year:2023 number:1 day:13 month:02 https://dx.doi.org/10.1186/s40703-022-00181-8 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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_4338 GBV_ILN_4367 GBV_ILN_4700 AR 14 2023 1 13 02
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author	Shwan, B. J.
spellingShingle	Shwan, B. J. misc Shear resistance misc Microstructural analysis misc Effective stress misc Effective degree of saturation Microstructural interpretation of effective stress equations for unsaturated sands
authorStr	Shwan, B. J.
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topic_title	Microstructural interpretation of effective stress equations for unsaturated sands Shear resistance (dpeaa)DE-He213 Microstructural analysis (dpeaa)DE-He213 Effective stress (dpeaa)DE-He213 Effective degree of saturation (dpeaa)DE-He213
topic	misc Shear resistance misc Microstructural analysis misc Effective stress misc Effective degree of saturation
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title	Microstructural interpretation of effective stress equations for unsaturated sands
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title_full	Microstructural interpretation of effective stress equations for unsaturated sands
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title_sort	microstructural interpretation of effective stress equations for unsaturated sands
title_auth	Microstructural interpretation of effective stress equations for unsaturated sands
abstract	Abstract It was fairly accepted to interpret soil behaviour at the microstructural level by utilising the effective degree of saturation instead of the total degree of saturation in the effective stress equation for unsaturated fine-grained soils. However, this interpretation for pure sands was under-represented in the literature. On the basis of shear strength evolution with suction, this paper reports a series of experimental tests to evaluate the use of the soil microstructural interpretation for fine sands. The tests comprised direct shear and unconfined-compression tests at different suction profiles. The analysis of the experimental test results suggested that the contribution of the effective degree of saturation was trivial and was almost equal to the total degree of saturation, therefore, shear strength evolution, owing to the suction effect, can be related to the single stress variable, Bishop’s equation. In addition, it was hypothesised that the shear strength evolution was attributed to the soil fabric changes. © The Author(s) 2023
abstractGer	Abstract It was fairly accepted to interpret soil behaviour at the microstructural level by utilising the effective degree of saturation instead of the total degree of saturation in the effective stress equation for unsaturated fine-grained soils. However, this interpretation for pure sands was under-represented in the literature. On the basis of shear strength evolution with suction, this paper reports a series of experimental tests to evaluate the use of the soil microstructural interpretation for fine sands. The tests comprised direct shear and unconfined-compression tests at different suction profiles. The analysis of the experimental test results suggested that the contribution of the effective degree of saturation was trivial and was almost equal to the total degree of saturation, therefore, shear strength evolution, owing to the suction effect, can be related to the single stress variable, Bishop’s equation. In addition, it was hypothesised that the shear strength evolution was attributed to the soil fabric changes. © The Author(s) 2023
abstract_unstemmed	Abstract It was fairly accepted to interpret soil behaviour at the microstructural level by utilising the effective degree of saturation instead of the total degree of saturation in the effective stress equation for unsaturated fine-grained soils. However, this interpretation for pure sands was under-represented in the literature. On the basis of shear strength evolution with suction, this paper reports a series of experimental tests to evaluate the use of the soil microstructural interpretation for fine sands. The tests comprised direct shear and unconfined-compression tests at different suction profiles. The analysis of the experimental test results suggested that the contribution of the effective degree of saturation was trivial and was almost equal to the total degree of saturation, therefore, shear strength evolution, owing to the suction effect, can be related to the single stress variable, Bishop’s equation. In addition, it was hypothesised that the shear strength evolution was attributed to the soil fabric changes. © The Author(s) 2023
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title_short	Microstructural interpretation of effective stress equations for unsaturated sands
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