Ferrovial N.v. · BME:FER
Ferrovial — Technical Presentation (2018)
30 slides from Ferrovial's technical presentation, 2018
Slide 1: Nanostructured Bitumen, better mechanical performance and for extreme climates
Nanostructured Bitumen, better mechanical performance and for extreme climates Nanostructured Bitumen, better mechanical performance and for extreme climates Source: Ferrovial Highways – 407 ETR, Toronto, Canada Leticia Parra Rodríguez, Ditecpesa Technical Manager @jjavier_garciap / @Leticia_ParraR
Slide 2: Improve a property, no higher price
Nanostructured Bitumen, better mechanical performance and for extreme climates Improve a No higher property price @jjavier_garciap / @Leticia_ParraR
Slide 3: What could be an agent which mainly damages pavements?
Nanostructured Bitumen, better mechanical performance and for extreme climates What could be an agent which mainly damage pavements ? @jjavier_garciap / @Leticia_ParraR
Slide 4: Ice, high salt concentration, snowplows
Nanostructured Bitumen, better mechanical performance and for extreme climates • When snow and salt had been spreaded, the pavement is plenty of detached aggregates. ICE High salt concentration Snowplows which have blades. Water resistance • It is demonstrated that the effect of spread salt on t
Slide 5: How is it possible to improve this situation?
Nanostructured Bitumen, better mechanical performance and for extreme climates How is it possible to improve this situation? @jjavier_garciap / @Leticia_ParraR
Slide 6: Result: aggregates stripped around the pavements
Nanostructured Bitumen, better mechanical performance and for extreme climates • The water effect and more if the effect is made by water with salt, produce the lack of cohesion between bitumen and aggregates. Result: aggregates stripped around the pavements. Source: Ferrovial Highways, Burgos, Spa
Slide 7: Improving the bitumen-aggregate bonds
Nanostructured Bitumen, better mechanical performance and for extreme climates • It is neccessary to improve the bitumen-aggregate bonds • A physical mix achieved by temperature and mechanic energy, due to bitumen and aggregates do not work well. Source: Ferrovial, London, UK. @jjavier_garciap / @Le
Slide 8: Solution: Modification with nanomaterials and special polymers
Nanostructured Bitumen, better mechanical performance and for extreme climates • Amines are currently used. • They link by ionic bonding which is not strong enough. Covalent bonds are stronger Solution: Modification with nanomaterials and special polymers. @jjavier_garciap / @Leticia_ParraR
Slide 9: How can we see this interaction?
Nanostructured Bitumen, better mechanical performance and for extreme climates How can we see this interaction? @jjavier_garciap / @Leticia_ParraR
Slide 10: Conventional Bitumen vs Nanostructured Bitumen
Nanostructured Bitumen, better mechanical performance and for extreme climates Submit deeply by the water action pavement specimens Conventional Nanostructured Bitumen Bitumen @jjavier_garciap / @Leticia_ParraR
Slide 11: What have we improved?
Nanostructured Bitumen, better mechanical performance and for extreme climates What have we improved? @jjavier_garciap / @Leticia_ParraR
Slide 12: Salt attack, water attack, ice attack
Nanostructured Bitumen, better mechanical performance and for extreme climates Salt attack Water attack Ice attack Source: Ferrovial Highways – 407 ETR, Toronto, Canada @jjavier_garciap / @Leticia_ParraR
Slide 13: Higher density, shorter time to optimum density
Nanostructured Bitumen, better mechanical performance and for extreme climates • The better interaction between aggregate – bitumen, the better compaction. Higher density Lower period of time, to achieve the optimun density Source: Ferrovial – Amey, UK @jjavier_garciap / @Leticia_ParraR
Slide 14: Nanostructured Bitumen
Nanostructured Bitumen, better mechanical performance and for extreme climates Nanostructured Bitumen Source: Ferrovial Highways – M4-M6, Kilcock, Ireland @jjavier_garciap / @Leticia_ParraR
Slide 15: Nanostructured Bitumen
Nanostructured Bitumen, better mechanical performance and for extreme climates Nanostructured Bitumen • Helps compacting in cold weather conditions and improving asphalt properties. • Same quality and way of working as with conventional bitumen. • Improved properties: Cohesion Adhesion Better wor
Slide 16: Boiling test (ASTM D3625) AC16Surf
Nanostructured Bitumen, better mechanical performance and for extreme climates Nanostructured Bitumen Boiling test (ASTM D3625) • AC16Surf 50/70S Conventional Bitumen Nanostructured Bitumen @jjavier_garciap / @Leticia_ParraR
Slide 17: Boiling test (ASTM D3625) BBTM11B
Nanostructured Bitumen, better mechanical performance and for extreme climates Nanostructured Bitumen Boiling test (ASTM D3625) • BBTM11B PMB 45/80-60 Conventional Bitumen Nanostructured Bitumen @jjavier_garciap / @Leticia_ParraR
Slide 18: Nanostructured Bitumen: help in challenges
Nanostructured Bitumen, better mechanical performance and for extreme climates Nanostructured Bitumen • Help in Challenges: Transport to projects: Distances are very important, with this bitumen is possible to cover longer distances or manufacture at lower temperatures with same distances. Compact
Slide 19: 31.08.2017 Project
Nanostructured Bitumen, better mechanical performance and for extreme climates 31.08.2017 Project @jjavier_garciap / @Leticia_ParraR
Slide 20: Navacerrada Project
Nanostructured Bitumen, better mechanical performance and for extreme climates Navacerrada Project • M-601 Road - Navacerrada Mountain Ski port. (1880 m) 26 Octobre ´16. • Project carry out with Nanostructured Bitumen. • Area in Green with big slope. @jjavier_garciap / @Leticia_ParraR
Slide 21: Immersion-Compression Test, Navacerrada Ski Port
Nanostructured Bitumen, better mechanical performance and for extreme climates Nanostructured Bitumen Immersion – Compression Test (ASTM D1075) – Navacerrada Ski Port COMPRESSIVE STRENGTH (MPa) 3,38 3,36 3,34 3,32 3,3 3,28 3,26 3,24 3,22 3,2 3,18 Dry Specimens Wet Specimens @jjavier_garciap / @Leti
Slide 22: Ribadesella Project
Nanostructured Bitumen, better mechanical performance and for extreme climates Ribadesella Project • North of Spain Road, Asturias, between mountains and near the Cantabric Sea. • Carried out under Winter conditions (22 January ´17) @jjavier_garciap / @Leticia_ParraR
Slide 23: Immersion-Compression Test, AC16 Surf
Nanostructured Bitumen, better mechanical performance and for extreme climates Nanostructured Bitumen Immersion – Compression Test (ASTM D1075) • AC16 Surf 50/70S 106 104 102 100 98 96 94 92 Conventional Nanostructured Bitumen Bitumen @jjavier_garciap / @Leticia_ParraR
Slide 24: Ribadesella Project compaction test: density
Nanostructured Bitumen, better mechanical performance and for extreme climates Ribadesella Project • Compaction test: Density • Grey: Conventional t/m3 • Yellow: Nanostructured 2,25 Bitumen 2,2 • AC 16 Asphalt Mix 2,15 2,1 2,05 2 @jjavier_garciap / @Leticia_ParraR
Slide 25: A2-Highway Project
Nanostructured Bitumen, better mechanical performance and for extreme climates A2-Highway Project • A2 Highway, Zaragoza, (Spain). • Applied June´17 @jjavier_garciap / @Leticia_ParraR
Slide 26: Immersion-Compression Test, A2 Highway
Nanostructured Bitumen, better mechanical performance and for extreme climates Nanostructured Bitumen Immersion – Compression Test (ASTM D1075) – A2 Highway 1800 1600 1400 1200 1000 800 600 400 200 ITSd 0 C-1 NS-1 ITSw C-2 NS-2 @jjavier_garciap / @Leticia_ParraR
Slide 27: Canadian tests
Nanostructured Bitumen, better mechanical performance and for extreme climates Canadian tests • Developed on August, 2017, to Projects in Canada. • Resistance of Compacted Hot Mix Asphalt (HMA) to Moisture- Induced Damage – AASHTO T 283- 07 (2011) @jjavier_garciap / @Leticia_ParraR
Slide 28: Conclusions
Nanostructured Bitumen, better mechanical performance and for extreme climates Conclusions Specific Bitumen for extreme climate Improved properties, big resistance at salt chemical attack. Increase box flow return. Reinforcement could be delayed in time. Compaction design ir reached before. Re
Slide 29: Worldhighways
Nanostructured Bitumen, better mechanical performance and for extreme climates Worldhighways @jjavier_garciap / @Leticia_ParraR
Slide 30: Nanostructured Bitumen, better mechanical performance and for extreme climates
Nanostructured Bitumen, better mechanical performance and for extreme climates @jjavier_garciap / @Leticia_ParraR