Bituminous Binder and Bituminous Mixture Modified with Waste Polyethylene
Samo za registrovane korisnike
2023
Autori
Tušar, MarjanPoulikakos, Lily
Rafiq Kakar, Muhammed
Pasquini, Emiliano
Pasetto, Marco
Porot, Laurent
Cannone Falchetto, Augusto
Carter, Alan
Orozco, Gabirel
Riccardi, Chiara
Vasconcelos, Kamilla
Varveri, Aikaterini
Jing, Ruxin
Pinheiro, Gustavo
Hernando, David
Mikhailenko, Peter
Stoop, Jan
Wouters, Lacy
Miljković, Miomir
Orešković, Marko
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Viscione, Nunzio
Veropalumbo, Rosa
Saboo, Nikhil
Lachance-Tremblay, Eric
Vaillancourt, Michel
Bueche, Nicolas
Dalmazzo, Davide
Moreno Navarro, Fernando
Lo Presti, Davide
Giancontieri, Gaspare
Poglavlje u monografiji (Objavljena verzija)
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Metapodaci
Prikaz svih podataka o dokumentuApstrakt
RILEM TC-279 WMR task group TG 1 studied the performance of
waste Polyethylene (PE) in bituminous bituminous binder and bituminous mixtures.
Several laboratories participated in this study following a common protocol.
Locally sources aggregates and bituminous binder and same source of waste
PE and were utilized. The binder experiments showed that at high temperatures,
using MSCR tests, PE modified blends had better resistance to permanent deformation
in comparison to the non modified binder. Whereas at low temperatures,
using the LAS tests, fatigue performance of the PE blends could withstand
more loading cycles under low strains; however, it could sustain less loading cycles
under high strains due to the increase in brittleness. Dry process was used
for the mixture experiments in order to bypass the stability and inhomogeneity
experience that was observed at the binder scale. The PE modified mixtures
showed improved workability and increased strength. The higher the PE dos...age
the higher the ITS increase with respect to the values measured for the control
materials (i.e., without any plastic waste) thanks to the improved cohesion of the
plastic modified mastic. The stiffness experiments showed an improved performance
with a lower time dependence and a higher elasticity that were often
measured when plastic was added. The cyclic compression tests demonstrated a
reduced creep rate along with a higher creep modulus thanks to the addition of
PE; similar conclusions can be drawn from the experimental findings coming
from wheel tracking test. Furthermore, acceptable and often improved moisture
resistance was observed for PE modified materials.
Ključne reči:
Bitumen / Asphalt / Bituminous mixture / Waste / PolyethyleneIzvor:
RILEM State-of-the-Art Reports book series (RILEM State Art Reports,volume 38): Valorisation of Waste and Secondary Materials for Roads, 2023, 38Izdavač:
- Springer Cham