Natural Para Rubber in Road Embankment Stabilization

This is the first study on “ribbed smoked sheets (RSS)” as a geogrid reinforcement in geotechnical engineering. An RSS is a kind of natural para rubber. RSS (grade 3) was designed as a biaxial geogrid with an aperture size of 20 mm × 20 mm and a spacing of 20 mm. The RSS was found to be a significan...

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Main Authors: Salisa Chaiyaput, Nakib Arwaedo, Pitthaya Jamsawang, Jiratchaya Ayawanna
Format: Article
Language:English
Published: MDPI AG 2022-01-01
Series:Applied Sciences
Subjects:
Online Access:https://www.mdpi.com/2076-3417/12/3/1394
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author Salisa Chaiyaput
Nakib Arwaedo
Pitthaya Jamsawang
Jiratchaya Ayawanna
author_facet Salisa Chaiyaput
Nakib Arwaedo
Pitthaya Jamsawang
Jiratchaya Ayawanna
author_sort Salisa Chaiyaput
collection DOAJ
description This is the first study on “ribbed smoked sheets (RSS)” as a geogrid reinforcement in geotechnical engineering. An RSS is a kind of natural para rubber. RSS (grade 3) was designed as a biaxial geogrid with an aperture size of 20 mm × 20 mm and a spacing of 20 mm. The RSS was found to be a significant functional layer when applied to the subbase lateritic soil layer. The lateritic soil with an RSS reinforcing layer was greatly improved regarding the California bearing ratio (CBR). Numerical simulation using two-dimensional finite element software was used to determine the optimal number and positions of the RSS reinforcing layers in road embankment stabilization. The simulation data in terms of horizontal displacement of unreinforced road embankments was validated by the collected data from the actual construction site. The RSS reinforced layer was varied from one to three layers under 61 analysis conditions. The highest safety factor was obtained with two layers of RSS at 0.1H below the top of the road embankment and 0.4H below the first RSS layer, suggesting a suitable installation of the RSS reinforcing layer. The RSS is thus strongly recommended as a reinforcing material in low CBR lateritic soil for the road embankment.
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spelling doaj.art-e28e80eae50848b6bd700ccce28b91cb2023-11-23T15:56:55ZengMDPI AGApplied Sciences2076-34172022-01-01123139410.3390/app12031394Natural Para Rubber in Road Embankment StabilizationSalisa Chaiyaput0Nakib Arwaedo1Pitthaya Jamsawang2Jiratchaya Ayawanna3Department of Civil Engineering, School of Engineering, King Mongkut’s Institute of Technology Ladkrabang, Bangkok 10520, ThailandSynterra Co., Ltd., Bangkok 10310, ThailandSoil Engineering Research Center, Department of Civil Engineering, King Mongkut’s University of Technology North Bangkok, Bangkok 10800, ThailandSchool of Ceramic Engineering, Institute of Engineering, Suranaree University of Technology, Nakhon Ratchasima 30000, ThailandThis is the first study on “ribbed smoked sheets (RSS)” as a geogrid reinforcement in geotechnical engineering. An RSS is a kind of natural para rubber. RSS (grade 3) was designed as a biaxial geogrid with an aperture size of 20 mm × 20 mm and a spacing of 20 mm. The RSS was found to be a significant functional layer when applied to the subbase lateritic soil layer. The lateritic soil with an RSS reinforcing layer was greatly improved regarding the California bearing ratio (CBR). Numerical simulation using two-dimensional finite element software was used to determine the optimal number and positions of the RSS reinforcing layers in road embankment stabilization. The simulation data in terms of horizontal displacement of unreinforced road embankments was validated by the collected data from the actual construction site. The RSS reinforced layer was varied from one to three layers under 61 analysis conditions. The highest safety factor was obtained with two layers of RSS at 0.1H below the top of the road embankment and 0.4H below the first RSS layer, suggesting a suitable installation of the RSS reinforcing layer. The RSS is thus strongly recommended as a reinforcing material in low CBR lateritic soil for the road embankment.https://www.mdpi.com/2076-3417/12/3/1394geosyntheticsgeogridRSSpara rubber sheetribbed smoked sheetroad reinforcement
spellingShingle Salisa Chaiyaput
Nakib Arwaedo
Pitthaya Jamsawang
Jiratchaya Ayawanna
Natural Para Rubber in Road Embankment Stabilization
Applied Sciences
geosynthetics
geogrid
RSS
para rubber sheet
ribbed smoked sheet
road reinforcement
title Natural Para Rubber in Road Embankment Stabilization
title_full Natural Para Rubber in Road Embankment Stabilization
title_fullStr Natural Para Rubber in Road Embankment Stabilization
title_full_unstemmed Natural Para Rubber in Road Embankment Stabilization
title_short Natural Para Rubber in Road Embankment Stabilization
title_sort natural para rubber in road embankment stabilization
topic geosynthetics
geogrid
RSS
para rubber sheet
ribbed smoked sheet
road reinforcement
url https://www.mdpi.com/2076-3417/12/3/1394
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AT pitthayajamsawang naturalpararubberinroadembankmentstabilization
AT jiratchayaayawanna naturalpararubberinroadembankmentstabilization