Internal characteristics of loose solid source of debris flow in Zhouqu

In this paper, with debris flow in Zhouqu as the research object, combined with experiments such as cation exchange capacity (CEC), mineral chemical composition and water quality analysis, relation between water and salt in solid source forming debris flow was studied via soil column leaching test a...

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Main Author: Fan, Shufang
Format: Article
Language:English
Published: Penerbit Universiti Kebangsaan Malaysia 2017
Online Access:http://journalarticle.ukm.my/11685/
http://journalarticle.ukm.my/11685/1/19%20SM46%2011.pdf
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author Fan, Shufang
author_facet Fan, Shufang
author_sort Fan, Shufang
building UKM Institutional Repository
collection Online Access
description In this paper, with debris flow in Zhouqu as the research object, combined with experiments such as cation exchange capacity (CEC), mineral chemical composition and water quality analysis, relation between water and salt in solid source forming debris flow was studied via soil column leaching test and soluble salt analysis, and internal characteristics of debris flow was accordingly showed. It was found that, the soil was loose, and the content of gravel and sand was high, and the content of fine particle was low. The soluble contents at the slope of the accumulation body were described as, collapsed accumulation body > landslide accumulation body, slope toe > slope top, gentle slope > steep slope, also related to length of the slope. The results indicated that accumulations released a large number of base ion after intense weathering, which migrated with water, concentrated and enriched at the slope toe. Saline soil with high salt content collapsed when encountering water and then formed mudflow, thus becoming the internal power to trigger and initiate debris flow to some extent.
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spelling oai:generic.eprints.org:116852018-05-28T01:22:26Z http://journalarticle.ukm.my/11685/ Internal characteristics of loose solid source of debris flow in Zhouqu Fan, Shufang In this paper, with debris flow in Zhouqu as the research object, combined with experiments such as cation exchange capacity (CEC), mineral chemical composition and water quality analysis, relation between water and salt in solid source forming debris flow was studied via soil column leaching test and soluble salt analysis, and internal characteristics of debris flow was accordingly showed. It was found that, the soil was loose, and the content of gravel and sand was high, and the content of fine particle was low. The soluble contents at the slope of the accumulation body were described as, collapsed accumulation body > landslide accumulation body, slope toe > slope top, gentle slope > steep slope, also related to length of the slope. The results indicated that accumulations released a large number of base ion after intense weathering, which migrated with water, concentrated and enriched at the slope toe. Saline soil with high salt content collapsed when encountering water and then formed mudflow, thus becoming the internal power to trigger and initiate debris flow to some extent. Penerbit Universiti Kebangsaan Malaysia 2017-11 Article PeerReviewed application/pdf en http://journalarticle.ukm.my/11685/1/19%20SM46%2011.pdf Fan, Shufang (2017) Internal characteristics of loose solid source of debris flow in Zhouqu. Sains Malaysiana, 46 (11). pp. 2179-2186. ISSN 0126-6039 http://www.ukm.my/jsm/english_journals/vol46num11_2017/contentsVol46num11_2017.htm
spellingShingle Fan, Shufang
Internal characteristics of loose solid source of debris flow in Zhouqu
title Internal characteristics of loose solid source of debris flow in Zhouqu
title_full Internal characteristics of loose solid source of debris flow in Zhouqu
title_fullStr Internal characteristics of loose solid source of debris flow in Zhouqu
title_full_unstemmed Internal characteristics of loose solid source of debris flow in Zhouqu
title_short Internal characteristics of loose solid source of debris flow in Zhouqu
title_sort internal characteristics of loose solid source of debris flow in zhouqu
url http://journalarticle.ukm.my/11685/
http://journalarticle.ukm.my/11685/
http://journalarticle.ukm.my/11685/1/19%20SM46%2011.pdf