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Jullien a 20150708_1500_upmc_jussieu_-_room_107

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Jullien a 20150708_1500_upmc_jussieu_-_room_107

  1. 1. Agnès JULLIEN (Ifsttar) PhD, Senior Researcher agnes.jullien@ifsttar.fr Deputy head of European and International Affairs GHG assessments and LCA approaches CONTEXT, LCA PRACTICE, MITIGATION AT VARIOUS LEVELS and SCALES 1 Parallel session N°2230
  2. 2. Autoroute LGV ISSUES Models needed to assess :  Project variants  Various transport modes  Whole life cycle 2
  3. 3. LCA 2014, Davis, California conference http://www.ucprc.ucdavis.edu/p-lca2014/, many discussions, remaining issues highlighted SUP&R ITN and LCE4ROADS/ FP7 projects started in 2013, for EU code of practice Remaining questions : How do we take into account the use phase? Is EoL well implemented ? What is the importance of the data around the world? Which details should be considered for GHG and LCA? 3 STATE OF THE ART Benchmarking is in progress :
  4. 4. LCA Framework 2013 Various data bases and tools http://ecorce2.ifsttar.fr (french version AND DATABASE,2013) http://ecorcem.ifsttar.fr (english version 2014), multibase Tool ECORCE2 for construction and maintenance of roads (45 materials/processes LCIs) Data base http://ofrir2.ifsttar.fr : OFRIR2 (2013) a on materials (new and recycled materials) and 20 documents written as state of the art LCIs for construction and maintenance of roads France :
  5. 5. Since 2014 : Hypotheses of calculations, effects investigated - Construction +maintenance - Recycling - Traffic and congestion assessment - EOL Energy Water Process Release to water Release to air Product Mass Raw materials Release to soil Waste LCI Processes boundaries Not considered in ECORCE b 5
  6. 6. CRC 19 cm CC 15 cm 30 8 19 0 30 15 12 8 0 19 25 CRC 19 cm CC 15 cm Milling STAC 2.5 cm 100% of surface STAC 2.5 cm 100% of surface STAC 2.5 cm 50% of surface Milling STAC 2.5 cm 50% of surface Milling STAC 2.5 cm 50% of surface STAC 2.5 cm 100% of surface CRC 20 cm Milling Time (years) Continuously reinforced concrete pavement whith maintenance policy defined by SETRA-LCPC (19988) Continuously reinforced concrete pavement whith maintenance policy defined by LAURENT (2004) TLAC 6.5 cm 100% of surface STAC 2.5 cm 100% of surface STAC 2.5 cm 100% of surface Case study 1,2 : MAINTENANCE , CONSTRUCTION POLICIES –French structures Ref 1 [Jullien, Dauvergne, Cerezo, transport part D (may, 2014, vol29 , pp56-65)], Ref 2 [Jullien, Dauvergne, Proust, IntJLCA, (http://dx.doi.org/10.1007/s11367-015-0858-y, 2015)] Ref 1 6
  7. 7. 7 FU: 1 KM of road, 30 years (Maintenance at year 9, 17, 25) [Ref 1 , catalogue vs operational strategy?] [Ref 2, earthmoving , binders effects and equipment ? ] Pavement only All layers
  8. 8. 1t Asphalt production? HMA and WMA/ with RAP or not EE 0 20 40 60 80 100 120 140 160 GB 0/14 50% drum mix plant Toulouse BBSG 0/10 10% drum mix plant Toulouse BBSG 0/10 batch plant Monthyon (MJ/t) hot half-warm GWP 0 1 2 3 4 5 6 7 8 9 10 GB 0/14 50% drum mix plant Toulouse BBSG 0/10 10% drum mix plant Toulouse BBSG 0/10 batch plant Monthyon (kgéq.CO2/t) hot hallf-warm AP 0,E+00 5,E-04 1,E-03 2,E-03 2,E-03 3,E-03 GB 0/14 50% drum mixplant Toulouse BBSG 0/10 10% drum mix plant Toulouse BBSG 0/10 batchplant Monthyon (kgéq.SO2/t) hot half-warm EI 0,E+00 5,E-05 1,E-04 2,E-04 2,E-04 3,E-04 GB 0/14 50% drum mix plant Toulouse BBSG 0/10 10% drum mix plant Toulouse BBSG 0/10 batch plant Monthyon (kgéq.PO4/t) hot half-warm Ref 3, [ Olard, Jullien, Baudru, Ventura, Tamagny, in proc Warm Mix Asphalt congress, St. Louis, October 11th-13th 2011]
  9. 9. Earthmoving assessment Road interchange 5 & 8 Road interchange 5 & 8 Settling tank 7 River course modification Settling tank 5 River course modification C5F4C4PRD3F3C2F2C1dC1bC1aF1 UC1 UC5 UC8 UC3 UC4 UC6 UC7 SBL stock 1SBL stock 1SBL stock 2SBL stock 2SBL stock 3 0% 20% 40% 60% 80% 100% E.E. G.W.P. A.P. E.I. P.O.C.P. T.P. Indicators Contributions(%) Vegetalisable soils Unusable cuts Treated sub-base layer Treated fills Ref 4, [ Capony, Muresan, Dauvergne, Auriol, Ferber, Jullien, RCR, 2013] 9
  10. 10. Item 1 + Item 2 … X m² pav. 1 + Y m² pav. 2 … + L1 V 1 + L2 V2 … + V1 B. 1 + V2 B. 2 … L3 T. 1 + L4 T. 2 … ++ Earthworks tool Pavements tool Viaducts tool Bridges tool Tunnels tool Efu results Efu resultsEfu results Efu resultsEfu results TOOLS AND DATA for both roads and railways LCA in progress Project variants assessment
  11. 11. A French High speed line TGV Energy (50 years)-full life cycle • Montpellier-Perpignan/ Corbières • Passengers Line (NPL 23 km) Mix line (NML 25 km) 11 Ref 5, [Bosquet, Jullien, Vandanjon , Dauvergne ,Sanchez, transport part D- 2014] Construction/ Maintenance: 16% (NML) 20% (NPL) +30 % North Itinerary South Itinerary
  12. 12. 0 0,5 1 1,5 2 1 2 3 4 5 6 7 8 0 0,2 0,4 0,6 0,8 1 1,2 1,4 1 2 3 4 5 6 7 8 CONCLUSION – 2015 trends  New tools at the project level  Multicriteria results 12
  13. 13. UF1j UF2j UFnj UFI1 UFI2 UfIn 1 itinerary Several itineraries Traffic= Traffic 1+ Traffic 2+ Traffic m I1 I2 Ij Ij I1 UFIj In Terrirtory units -Surface -Underground I DD= p.Km t.Km  Itineraries combination and multimodal assessment (Functional Units) 13

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