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Comparison of Pore-Size Distribution of Soils Obtained by Different Methods

Min Wang, G. N. Pande, L. W. Kong, Y. T. Feng, Gyanendra Pande, Yuntian Feng Orcid Logo

International Journal of Geomechanics, Start page: 06016012

Swansea University Authors: Gyanendra Pande, Yuntian Feng Orcid Logo

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DOI (Published version): 10.1061/(ASCE)GM.1943-5622.0000696

Abstract

An average size of pores and pore-size distribution (POSD) is often required for advanced constitutive models for soils adopted for hydro-mechanical-thermal coupled problems. There are a number of methods available for determining POSD, with most requiring specific testing equipment and expertise. I...

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Published in: International Journal of Geomechanics
ISSN: 1532-3641 1943-5622
Published: 2016
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URI: https://cronfa.swan.ac.uk/Record/cronfa30606
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spelling 2016-10-17T09:20:30.5797577 v2 30606 2016-10-17 Comparison of Pore-Size Distribution of Soils Obtained by Different Methods 3a312604a89c3e9a24916145fafa61f1 Gyanendra Pande Gyanendra Pande true false d66794f9c1357969a5badf654f960275 0000-0002-6396-8698 Yuntian Feng Yuntian Feng true false 2016-10-17 FGSEN An average size of pores and pore-size distribution (POSD) is often required for advanced constitutive models for soils adopted for hydro-mechanical-thermal coupled problems. There are a number of methods available for determining POSD, with most requiring specific testing equipment and expertise. In this paper, a comparison is made of POSDs obtained from two different techniques, viz, mercury intrusion porosimetry (MIP) and the pressure plate test (PPT). The former requires a specialists’ apparatus not commonly available in soil laboratories and also has safety issues, whereas the latter is more common because it is used to determine soil water retention characteristics of soils. On the basis of certain assumptions, it is demonstrated that POSDs obtained from the two techniques match well and PPT can be used by researchers in soil mechanics to obtain POSD. The range of pore sizes determined by the two techniques is, however, different. Also, the POSD obtained from other soil water retention curve (SWRC) techniques are compared with MIP data. A better correlation between POSDs and SWRCs can be observed. Journal Article International Journal of Geomechanics 06016012 1532-3641 1943-5622 31 12 2016 2016-12-31 10.1061/(ASCE)GM.1943-5622.0000696 COLLEGE NANME Science and Engineering - Faculty COLLEGE CODE FGSEN Swansea University 2016-10-17T09:20:30.5797577 2016-10-17T09:18:23.6403524 Faculty of Science and Engineering School of Engineering and Applied Sciences - Uncategorised Min Wang 1 G. N. Pande 2 L. W. Kong 3 Y. T. Feng 4 Gyanendra Pande 5 Yuntian Feng 0000-0002-6396-8698 6
title Comparison of Pore-Size Distribution of Soils Obtained by Different Methods
spellingShingle Comparison of Pore-Size Distribution of Soils Obtained by Different Methods
Gyanendra Pande
Yuntian Feng
title_short Comparison of Pore-Size Distribution of Soils Obtained by Different Methods
title_full Comparison of Pore-Size Distribution of Soils Obtained by Different Methods
title_fullStr Comparison of Pore-Size Distribution of Soils Obtained by Different Methods
title_full_unstemmed Comparison of Pore-Size Distribution of Soils Obtained by Different Methods
title_sort Comparison of Pore-Size Distribution of Soils Obtained by Different Methods
author_id_str_mv 3a312604a89c3e9a24916145fafa61f1
d66794f9c1357969a5badf654f960275
author_id_fullname_str_mv 3a312604a89c3e9a24916145fafa61f1_***_Gyanendra Pande
d66794f9c1357969a5badf654f960275_***_Yuntian Feng
author Gyanendra Pande
Yuntian Feng
author2 Min Wang
G. N. Pande
L. W. Kong
Y. T. Feng
Gyanendra Pande
Yuntian Feng
format Journal article
container_title International Journal of Geomechanics
container_start_page 06016012
publishDate 2016
institution Swansea University
issn 1532-3641
1943-5622
doi_str_mv 10.1061/(ASCE)GM.1943-5622.0000696
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Engineering and Applied Sciences - Uncategorised{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Uncategorised
document_store_str 0
active_str 0
description An average size of pores and pore-size distribution (POSD) is often required for advanced constitutive models for soils adopted for hydro-mechanical-thermal coupled problems. There are a number of methods available for determining POSD, with most requiring specific testing equipment and expertise. In this paper, a comparison is made of POSDs obtained from two different techniques, viz, mercury intrusion porosimetry (MIP) and the pressure plate test (PPT). The former requires a specialists’ apparatus not commonly available in soil laboratories and also has safety issues, whereas the latter is more common because it is used to determine soil water retention characteristics of soils. On the basis of certain assumptions, it is demonstrated that POSDs obtained from the two techniques match well and PPT can be used by researchers in soil mechanics to obtain POSD. The range of pore sizes determined by the two techniques is, however, different. Also, the POSD obtained from other soil water retention curve (SWRC) techniques are compared with MIP data. A better correlation between POSDs and SWRCs can be observed.
published_date 2016-12-31T03:37:13Z
_version_ 1763751633428152320
score 11.014067

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