Performance of Soft Asphalt and Double Otta Seal within First Three Years

Gravel roads play an important role in the transport infrastructure. However, their maintenance (especially the control of dustiness using chemical dust suppressants) is expensive. Besides, the condition of gravel roads results in low driving comfort, longer travelling time, faster vehicle amortizat...

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Main Authors: Audrius Vaitkus, Viktoras Vorobjovas, Faustina Tuminienė, Judita Gražulytė
Format: Article
Language:English
Published: Hindawi Limited 2016-01-01
Series:Advances in Materials Science and Engineering
Online Access:http://dx.doi.org/10.1155/2016/6026035
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spelling doaj-d5a5a6694ede4a239300081283cddf672020-11-24T21:02:53ZengHindawi LimitedAdvances in Materials Science and Engineering1687-84341687-84422016-01-01201610.1155/2016/60260356026035Performance of Soft Asphalt and Double Otta Seal within First Three YearsAudrius Vaitkus0Viktoras Vorobjovas1Faustina Tuminienė2Judita Gražulytė3Roads Research Institute, Vilnius Gediminas Technical University, Linkmenų g. 28, 80217 Vilnius, LithuaniaRoads Research Institute, Vilnius Gediminas Technical University, Linkmenų g. 28, 80217 Vilnius, LithuaniaRoads Research Institute, Vilnius Gediminas Technical University, Linkmenų g. 28, 80217 Vilnius, LithuaniaRoads Research Institute, Vilnius Gediminas Technical University, Linkmenų g. 28, 80217 Vilnius, LithuaniaGravel roads play an important role in the transport infrastructure. However, their maintenance (especially the control of dustiness using chemical dust suppressants) is expensive. Besides, the condition of gravel roads results in low driving comfort, longer travelling time, faster vehicle amortization, and so forth. Typically, these problems are solved by paving gravel roads with asphalt wearing layer. However, north countries practice had shown pavement structure high susceptibility to frost due to insufficient thickness of frost resistance layer. The construction of thicker frost resistant layer increases road construction cost by 25% and, in most cases, there is no need to increase bearing capacity by increasing total thickness of pavement structure. In 2012 19 gravel roads were constructed using cost effective rehabilitation technologies—soft asphalt and double Otta Seal in Lithuania. This paper focuses on those two technologies’ performance within first three years of constructed roads exploitation. The implemented experimental research consisted of three parts by evaluating constructed roads base layers bearing capacity; pavement roughness; and pavement distresses and defects. As a result, the acceptable performance indicators were determined for both technologies—soft asphalt and double Otta Seal. Also recommendations for construction and exploitation improvement were defined.http://dx.doi.org/10.1155/2016/6026035
collection DOAJ
language English
format Article
sources DOAJ
author Audrius Vaitkus
Viktoras Vorobjovas
Faustina Tuminienė
Judita Gražulytė
spellingShingle Audrius Vaitkus
Viktoras Vorobjovas
Faustina Tuminienė
Judita Gražulytė
Performance of Soft Asphalt and Double Otta Seal within First Three Years
Advances in Materials Science and Engineering
author_facet Audrius Vaitkus
Viktoras Vorobjovas
Faustina Tuminienė
Judita Gražulytė
author_sort Audrius Vaitkus
title Performance of Soft Asphalt and Double Otta Seal within First Three Years
title_short Performance of Soft Asphalt and Double Otta Seal within First Three Years
title_full Performance of Soft Asphalt and Double Otta Seal within First Three Years
title_fullStr Performance of Soft Asphalt and Double Otta Seal within First Three Years
title_full_unstemmed Performance of Soft Asphalt and Double Otta Seal within First Three Years
title_sort performance of soft asphalt and double otta seal within first three years
publisher Hindawi Limited
series Advances in Materials Science and Engineering
issn 1687-8434
1687-8442
publishDate 2016-01-01
description Gravel roads play an important role in the transport infrastructure. However, their maintenance (especially the control of dustiness using chemical dust suppressants) is expensive. Besides, the condition of gravel roads results in low driving comfort, longer travelling time, faster vehicle amortization, and so forth. Typically, these problems are solved by paving gravel roads with asphalt wearing layer. However, north countries practice had shown pavement structure high susceptibility to frost due to insufficient thickness of frost resistance layer. The construction of thicker frost resistant layer increases road construction cost by 25% and, in most cases, there is no need to increase bearing capacity by increasing total thickness of pavement structure. In 2012 19 gravel roads were constructed using cost effective rehabilitation technologies—soft asphalt and double Otta Seal in Lithuania. This paper focuses on those two technologies’ performance within first three years of constructed roads exploitation. The implemented experimental research consisted of three parts by evaluating constructed roads base layers bearing capacity; pavement roughness; and pavement distresses and defects. As a result, the acceptable performance indicators were determined for both technologies—soft asphalt and double Otta Seal. Also recommendations for construction and exploitation improvement were defined.
url http://dx.doi.org/10.1155/2016/6026035
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AT juditagrazulyte performanceofsoftasphaltanddoubleottasealwithinfirstthreeyears
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