Geogrid Reinforcement of Asphalt Pavements

Geogrid materials applied within asphalt layers defer or prevent the occurrence of reflective cracking. The contribution of this work significantly adds to extending pavement serviceability and improving benefit/cost analysis. Since 1970s many studies have demonstrated the benefits of geogrid reinfo...

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Main Authors: Adam Zofka, Maciej Maliszewski, Ewa Zofka, Miglė Paliukaitė, Laura Žalimienė
Format: Article
Language:English
Published: RTU Press 2017-09-01
Series:The Baltic Journal of Road and Bridge Engineering
Subjects:
Online Access:https://bjrbe-journals.rtu.lv/article/view/3263
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author Adam Zofka
Maciej Maliszewski
Ewa Zofka
Miglė Paliukaitė
Laura Žalimienė
author_facet Adam Zofka
Maciej Maliszewski
Ewa Zofka
Miglė Paliukaitė
Laura Žalimienė
author_sort Adam Zofka
collection DOAJ
description Geogrid materials applied within asphalt layers defer or prevent the occurrence of reflective cracking. The contribution of this work significantly adds to extending pavement serviceability and improving benefit/cost analysis. Since 1970s many studies have demonstrated the benefits of geogrid reinforcement in asphalt pavements, but this knowledge did not translate to their extensive usage in the actual construction practice. Among potential reasons are higher initial costs, lack of in-depth understanding of working mechanism within adjacent asphalt layers and lack of commonly standard design procedures. This paper presents a recent study, which investigated the effect of geogrid reinforcement on asphalt mixture specimens. Two types of laboratory experiments were conducted, namely monotonic (strength and fracture) testing and cyclic (fatigue and modulus) testing. The results demonstrated a significant strengthening contribution of geogrid, which was observed regarding fracture energy results and terminal deflections in the fatigue testing. This paper also presents a short example connecting pavement deflections with the allowable axle loading (also known as fatigue life) to demonstrate the practical implications of geogrid reinforcement. The undertaken analysis shows the reduction of pavement deflections due to the geogrid application, which potentially leads to a significant extension of pavement fatigue life. Paper concludes with several recommendations for further work in the area of geogrid reinforcement.
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spelling doaj.art-e5f69238e3984c1f9f1815a0544e40c72022-12-21T19:18:06ZengRTU PressThe Baltic Journal of Road and Bridge Engineering1822-427X1822-42882017-09-0112310.3846/bjrbe.2017.221789Geogrid Reinforcement of Asphalt PavementsAdam Zofka0Maciej Maliszewski1Ewa Zofka2Miglė Paliukaitė3Laura Žalimienė4Road and Bridge Research Institute, Instytutowa 1, 03302 Warsaw, PolandRoad and Bridge Research Institute, Instytutowa 1, 03302 Warsaw, PolandRoad and Bridge Research Institute, Instytutowa 1, 03302 Warsaw, PolandRoad Research Institute, Vilnius Gediminas Technical University, Linkmenų g. 28, LT−08217 Vilnius, LithuaniaRoad Research Institute, Vilnius Gediminas Technical University, Linkmenų g. 28, LT−08217 Vilnius, LithuaniaGeogrid materials applied within asphalt layers defer or prevent the occurrence of reflective cracking. The contribution of this work significantly adds to extending pavement serviceability and improving benefit/cost analysis. Since 1970s many studies have demonstrated the benefits of geogrid reinforcement in asphalt pavements, but this knowledge did not translate to their extensive usage in the actual construction practice. Among potential reasons are higher initial costs, lack of in-depth understanding of working mechanism within adjacent asphalt layers and lack of commonly standard design procedures. This paper presents a recent study, which investigated the effect of geogrid reinforcement on asphalt mixture specimens. Two types of laboratory experiments were conducted, namely monotonic (strength and fracture) testing and cyclic (fatigue and modulus) testing. The results demonstrated a significant strengthening contribution of geogrid, which was observed regarding fracture energy results and terminal deflections in the fatigue testing. This paper also presents a short example connecting pavement deflections with the allowable axle loading (also known as fatigue life) to demonstrate the practical implications of geogrid reinforcement. The undertaken analysis shows the reduction of pavement deflections due to the geogrid application, which potentially leads to a significant extension of pavement fatigue life. Paper concludes with several recommendations for further work in the area of geogrid reinforcement.https://bjrbe-journals.rtu.lv/article/view/3263geogridreinforcementfatigueasphalt pavement.
spellingShingle Adam Zofka
Maciej Maliszewski
Ewa Zofka
Miglė Paliukaitė
Laura Žalimienė
Geogrid Reinforcement of Asphalt Pavements
The Baltic Journal of Road and Bridge Engineering
geogrid
reinforcement
fatigue
asphalt pavement.
title Geogrid Reinforcement of Asphalt Pavements
title_full Geogrid Reinforcement of Asphalt Pavements
title_fullStr Geogrid Reinforcement of Asphalt Pavements
title_full_unstemmed Geogrid Reinforcement of Asphalt Pavements
title_short Geogrid Reinforcement of Asphalt Pavements
title_sort geogrid reinforcement of asphalt pavements
topic geogrid
reinforcement
fatigue
asphalt pavement.
url https://bjrbe-journals.rtu.lv/article/view/3263
work_keys_str_mv AT adamzofka geogridreinforcementofasphaltpavements
AT maciejmaliszewski geogridreinforcementofasphaltpavements
AT ewazofka geogridreinforcementofasphaltpavements
AT miglepaliukaite geogridreinforcementofasphaltpavements
AT laurazalimiene geogridreinforcementofasphaltpavements