Effect of initial compaction state on erosion potential for cover liner

Himanshu Kumar; Sanandam Bordoloi; S. Sreedeep; Ankit Garg

doi:10.1007/978-981-13-2224-2_73

Effect of initial compaction state on erosion potential for cover liner

Himanshu Kumar, Sanandam Bordoloi, S. Sreedeep, Ankit Garg^*

^*Corresponding author for this work

Research output: Chapter in Book or Report/Conference proceeding › Conference Proceeding › peer-review

1 Citation (Scopus)

Abstract

Multi-layered cover system (MLCS) is constructed upon hazardous landfills that has reached its full potential. Soil erosion is a primary stressor of surface soils used in MLCS, which ultimately results in exposure of lower layers. The effect of compaction state is crucial to assess erosion potential of compacted surface soil used MLCS. The erosion potential needs to be studied as a function of initial compaction state, soil type and flow rate, under high intensity rainfall conditions. For this purpose, a well-established pin hole test was used to evaluate the erosion potential of soil. A total of 324 pin-hole tests on four loamy soils were conducted and the individual effect of initial moisture content, soil density and flow rate was discussed. It is observed that compaction process in top surface of MLCS can be done at wet of optimum moisture content (OMC) with highest maximum dry density (MDD) to minimize risk of erosion related failure. The compaction state of (OMC+5, 1.05MDD) is suitable for top surface design as it showcases significantly lower erosion rates than the permissible erosion rate for cover systems.

Original language	English
Title of host publication	Proceedings of the 8th International Congress on Environmental Geotechnics Volume 2 - Towards a Sustainable Geoenvironment
Editors	Abdelmalek Bouazza, Liangtong Zhan, Yunmin Chen
Publisher	Springer Berlin Heidelberg
Pages	589-597
Number of pages	9
ISBN (Print)	9789811322235
DOIs	https://doi.org/10.1007/978-981-13-2224-2_73
Publication status	Published - 2019
Externally published	Yes
Event	8th International Congress on Environmental Geotechnics, ICEG 2018 - Hangzhou, China Duration: 28 Oct 2018 → 1 Nov 2018

Publication series

Name	Environmental Science and Engineering
ISSN (Print)	1863-5520
ISSN (Electronic)	1863-5539

Conference

Conference	8th International Congress on Environmental Geotechnics, ICEG 2018
Country/Territory	China
City	Hangzhou
Period	28/10/18 → 1/11/18

Keywords

Compaction state
Multi layered cover system
Pin hole test
Soil erosion

Access to Document

10.1007/978-981-13-2224-2_73

Cite this

Kumar, H., Bordoloi, S., Sreedeep, S., & Garg, A. (2019). Effect of initial compaction state on erosion potential for cover liner. In A. Bouazza, L. Zhan, & Y. Chen (Eds.), Proceedings of the 8th International Congress on Environmental Geotechnics Volume 2 - Towards a Sustainable Geoenvironment (pp. 589-597). (Environmental Science and Engineering). Springer Berlin Heidelberg. https://doi.org/10.1007/978-981-13-2224-2_73

Kumar, Himanshu ; Bordoloi, Sanandam ; Sreedeep, S. et al. / Effect of initial compaction state on erosion potential for cover liner. Proceedings of the 8th International Congress on Environmental Geotechnics Volume 2 - Towards a Sustainable Geoenvironment. editor / Abdelmalek Bouazza ; Liangtong Zhan ; Yunmin Chen. Springer Berlin Heidelberg, 2019. pp. 589-597 (Environmental Science and Engineering).

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title = "Effect of initial compaction state on erosion potential for cover liner",

abstract = "Multi-layered cover system (MLCS) is constructed upon hazardous landfills that has reached its full potential. Soil erosion is a primary stressor of surface soils used in MLCS, which ultimately results in exposure of lower layers. The effect of compaction state is crucial to assess erosion potential of compacted surface soil used MLCS. The erosion potential needs to be studied as a function of initial compaction state, soil type and flow rate, under high intensity rainfall conditions. For this purpose, a well-established pin hole test was used to evaluate the erosion potential of soil. A total of 324 pin-hole tests on four loamy soils were conducted and the individual effect of initial moisture content, soil density and flow rate was discussed. It is observed that compaction process in top surface of MLCS can be done at wet of optimum moisture content (OMC) with highest maximum dry density (MDD) to minimize risk of erosion related failure. The compaction state of (OMC+5, 1.05MDD) is suitable for top surface design as it showcases significantly lower erosion rates than the permissible erosion rate for cover systems.",

keywords = "Compaction state, Multi layered cover system, Pin hole test, Soil erosion",

author = "Himanshu Kumar and Sanandam Bordoloi and S. Sreedeep and Ankit Garg",

note = "Publisher Copyright: {\textcopyright} Springer Nature Singapore Pte Ltd. 2019.; 8th International Congress on Environmental Geotechnics, ICEG 2018 ; Conference date: 28-10-2018 Through 01-11-2018",

year = "2019",

doi = "10.1007/978-981-13-2224-2_73",

language = "English",

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Kumar, H, Bordoloi, S, Sreedeep, S & Garg, A 2019, Effect of initial compaction state on erosion potential for cover liner. in A Bouazza, L Zhan & Y Chen (eds), Proceedings of the 8th International Congress on Environmental Geotechnics Volume 2 - Towards a Sustainable Geoenvironment. Environmental Science and Engineering, Springer Berlin Heidelberg, pp. 589-597, 8th International Congress on Environmental Geotechnics, ICEG 2018, Hangzhou, China, 28/10/18. https://doi.org/10.1007/978-981-13-2224-2_73

Effect of initial compaction state on erosion potential for cover liner. / Kumar, Himanshu; Bordoloi, Sanandam; Sreedeep, S. et al.
Proceedings of the 8th International Congress on Environmental Geotechnics Volume 2 - Towards a Sustainable Geoenvironment. ed. / Abdelmalek Bouazza; Liangtong Zhan; Yunmin Chen. Springer Berlin Heidelberg, 2019. p. 589-597 (Environmental Science and Engineering).

Research output: Chapter in Book or Report/Conference proceeding › Conference Proceeding › peer-review

TY - GEN

T1 - Effect of initial compaction state on erosion potential for cover liner

AU - Kumar, Himanshu

AU - Bordoloi, Sanandam

AU - Sreedeep, S.

AU - Garg, Ankit

N1 - Publisher Copyright: © Springer Nature Singapore Pte Ltd. 2019.

PY - 2019

Y1 - 2019

N2 - Multi-layered cover system (MLCS) is constructed upon hazardous landfills that has reached its full potential. Soil erosion is a primary stressor of surface soils used in MLCS, which ultimately results in exposure of lower layers. The effect of compaction state is crucial to assess erosion potential of compacted surface soil used MLCS. The erosion potential needs to be studied as a function of initial compaction state, soil type and flow rate, under high intensity rainfall conditions. For this purpose, a well-established pin hole test was used to evaluate the erosion potential of soil. A total of 324 pin-hole tests on four loamy soils were conducted and the individual effect of initial moisture content, soil density and flow rate was discussed. It is observed that compaction process in top surface of MLCS can be done at wet of optimum moisture content (OMC) with highest maximum dry density (MDD) to minimize risk of erosion related failure. The compaction state of (OMC+5, 1.05MDD) is suitable for top surface design as it showcases significantly lower erosion rates than the permissible erosion rate for cover systems.

AB - Multi-layered cover system (MLCS) is constructed upon hazardous landfills that has reached its full potential. Soil erosion is a primary stressor of surface soils used in MLCS, which ultimately results in exposure of lower layers. The effect of compaction state is crucial to assess erosion potential of compacted surface soil used MLCS. The erosion potential needs to be studied as a function of initial compaction state, soil type and flow rate, under high intensity rainfall conditions. For this purpose, a well-established pin hole test was used to evaluate the erosion potential of soil. A total of 324 pin-hole tests on four loamy soils were conducted and the individual effect of initial moisture content, soil density and flow rate was discussed. It is observed that compaction process in top surface of MLCS can be done at wet of optimum moisture content (OMC) with highest maximum dry density (MDD) to minimize risk of erosion related failure. The compaction state of (OMC+5, 1.05MDD) is suitable for top surface design as it showcases significantly lower erosion rates than the permissible erosion rate for cover systems.

KW - Compaction state

KW - Multi layered cover system

KW - Pin hole test

KW - Soil erosion

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SN - 9789811322235

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EP - 597

BT - Proceedings of the 8th International Congress on Environmental Geotechnics Volume 2 - Towards a Sustainable Geoenvironment

A2 - Bouazza, Abdelmalek

A2 - Zhan, Liangtong

A2 - Chen, Yunmin

PB - Springer Berlin Heidelberg

T2 - 8th International Congress on Environmental Geotechnics, ICEG 2018

Y2 - 28 October 2018 through 1 November 2018

ER -

Kumar H, Bordoloi S, Sreedeep S, Garg A. Effect of initial compaction state on erosion potential for cover liner. In Bouazza A, Zhan L, Chen Y, editors, Proceedings of the 8th International Congress on Environmental Geotechnics Volume 2 - Towards a Sustainable Geoenvironment. Springer Berlin Heidelberg. 2019. p. 589-597. (Environmental Science and Engineering). doi: 10.1007/978-981-13-2224-2_73

Effect of initial compaction state on erosion potential for cover liner

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