Abstract
Geosynthetic reinforcement has proven to be an effective method to improve road pavement performance. In this regard, composite materials obtained combining bituminous membranes with reinforcing grids represent a promising option thanks to the waterproofing and stress-relieving effect produced by the membrane and the enhanced mechanical characteristics provided by the grid. This research had the objective of evaluating the effectiveness of pavement rehabilitation by means of an optimized composite material, consisting of an elastomeric bituminous membrane reinforced with a fiberglass grid, applied at the interface of a polymer-modified asphalt system. An unreinforced reference configuration was also investigated for comparison purpose. Interlayer shear tests and three-point bending tests were performed on double-layered specimens in order to evaluate bond strength at the interface and toughness (i.e. fracture resistance) of the pavement system, respectively. Shear tests showed that the reinforcement at the interface reduces the bonding between asphalt layers even if a residual cohesion contribution is provided after shear failure. As far as flexural properties are concerned, the real contribution of the reinforcement consists in the delay of crack propagation rather than in the inhibition of crack initiation.
This is a preview of subscription content, log in via an institution to check access.
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
References
Austin RA, Gilchrist AJT (1996) Enhanced performance of asphalt pavements using geocomposites. Geotext Geomembranes 14(3-4):175-186. doi:Â 10.1016/0266-1144(96)00007-6.
Brown SF, Thom NH, Sanders, PJ (2001) A study of grid reinforced asphalt to combat reflection cracking. J Assoc Asphalt Pav 70:543–569.
Canestrari F, Ferrotti G, Partl MN, Santagata E (2005) Advanced testing and characterization of interlayer shear resistance. Transp Res Record 1929:69–78. doi: 10.3141/1929-09.
Canestrari F, Grilli A, Santagata FA, Virgili A (2006) Interlayer shear effect of geosynthetic reinforcements. In: 10th International Conference on Asphalt Pavements, Quebec City, August 2006, vol I. Curran Associates Inc., Red Hook, Brooklin, p 811.
Canestrari F, Pasquini E, Belogi L (2012) Optimization of Geocomposites for Double-Layered Bituminous Systems. In: Scarpas T, Kringos N, Al-Qadi IL, Loizos A (eds) 7th RILEM International Conference on Cracking in Pavements, Delft, June 2012, vol 2. Springer, Dordrecht, p 1229.
Canestrari F, Belogi L, Ferrotti G, Graziani A (2013) Shear and flexural characterization of grid-reinforced asphalt pavements and relation with field distress evolution. Mater Struct. doi:Â 10.1617/s11527-013-0207-1.
Ferrotti G, Canestrari F, Virgili A, Grilli A (2011) A strategic laboratory approach for the performance investigation of geogrids in flexible pavements. Constr Build Mater 25(5):2343–2348. doi: 10.1016/j.conbuildmat.2010.11.032.
Ferrotti G, Canestrari F, Pasquini E & Virgili A (2012) Experimental evaluation of the influence of surface coating on fiberglass geogrid performance in asphalt pavements. Geotext Geomembranes 34:11–18. doi: 10.1016/j.geotexmem.2012.02.011.
Graziani A, Pasquini E, Ferrotti G, Virgili A, Canestrari F (2014) Structural response of grid-reinforced bituminous pavements. Mater Struct 47(8):1391-1408. doi:Â 10.1617/s11527-014-0255-1.
Lee SJ (2008) Mechanical performance and crack retardation study of a fiberglass-grid-reinforced asphalt concrete system. Can J Civil Eng 35(10):1042–1049. doi: 10.1139/L08-049.
Pasquini E, Bocci M, Ferrotti G, Canestrari F (2013) Laboratory characterisation and field validation of geogrid-reinforced asphalt pavements. Road Mater Pavement 14(1):17-35. doi:Â 10.1080/14680629.2012.735797.
Pasquini E, Bocci M, Canestrari F (2014a) Laboratory characterization of optimized geocomposites for asphalt pavement reinforcement. Geosynth Int 21(1):24-36. doi:Â 10.1680/gein.13.00032.
Pasquini E, Cardone F, Canestrari F (2014b) Moisture Sensitivity of Interlayers between Conventional and Porous Asphalt Mixes. In: Kim YR (ed) Asphalt pavements. Proceedings of the 12th International Conference on Asphalt Pavements ISAP 2014, Raleigh, June 2014, vol 2. CRC Press/Balkema, Leiden, p 1291.
Perkins SW, Edens MQ (2002) Finite element and distress models for geosynthetic-reinforced pavements. Int J Pavement Eng 3(4):239-250. doi:Â 10.1080/1029843021000083504.
Prieto JN, Gallego J, Perez I (2007) Application of the wheel reflective cracking test for assessing geosynthetics in anti-reflection pavement cracking systems. Geosynth Int 14(5):287-297. doi:Â 10.1680/gein.2007.14.5.287.
Shukla SK, Yin JH (2004) Functions and installation of paving geosynthetics. In: Shim JG, Yoo C, Jeon H-Y (eds) 3rd Asian Regional Conference on Geosynthetics, Seoul, 2004.
Sobhan K, Tandon V (2008) Mitigating reflection cracking in asphalt overlay using geosynthetic reinforcements. Road Mater Pavement 9(3):367–387. doi: 10.1080/14680629.2008.9690124.
Vanelstraete A, De Visscher J (2004) Long term performance on site of interface systems. In: Petit C, Al-Qadi IL, Millien A (eds) PRO37: cracking in pavements – mitigation, risk assessment and prevention. Proceedings of the 5th International RILEM conference on cracking in pavements, Limoges, May 2005. RILEM Publications SARL, Bagneux, p 699.
Zamora-Barraza D, Calzada-Pérez MA, Castro-Fresno D, Vega-Zamanillo A (2010) New procedure for measuring adherence between a geosynthetic material and a bituminous mixture. Geotext Geomembranes 28(5):483-489. doi: 10.1016/j.geotexmem.2009.12.010.
Zamora-Barraza D, Calzada-Pérez MA, Castro-Fresno D, Vega-Zamanillo A (2011) Evaluation of anti-reflective cracking systems using geosynthetics in the interlayer zone. Geotext Geomembranes 29(2):130–136. doi: 10.1016/j.geotexmem.2010.10.005.
Acknowledgments
This study was sponsored by INDEX Construction Systems and Products S.p.A. (Italy) that gave both financial and technical support for the research project. Test results and opinions are those of the authors and do not necessarily reflect those of the sponsoring company.
Author information
Authors and Affiliations
Corresponding author
Editor information
Editors and Affiliations
Rights and permissions
Copyright information
© 2016 RILEM
About this paper
Cite this paper
Canestrari, F., Ferrotti, G., Abuaddous, M., Pasquini, E. (2016). Geocomposite-Reinforcement of Polymer-Modified Asphalt Systems. In: Canestrari, F., Partl, M. (eds) 8th RILEM International Symposium on Testing and Characterization of Sustainable and Innovative Bituminous Materials. RILEM Bookseries, vol 11. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-7342-3_31
Download citation
DOI: https://doi.org/10.1007/978-94-017-7342-3_31
Published:
Publisher Name: Springer, Dordrecht
Print ISBN: 978-94-017-7341-6
Online ISBN: 978-94-017-7342-3
eBook Packages: EngineeringEngineering (R0)