Innovative Practices for Greener Roads - IRF | International Road ...

Colas SwitzerlandPromoting the Widespread Use of VALORCOLEnergy consumption and GHG emission reduction. Through use of cold emulsion, simply prepared aggregates, andunheated mixing, energy consumption and emissions are both reduced. For the plant in Geneva, it has been calculated thatthe GHG emissions are reduced by 300 tons of CO2 each year, if a mere 10% of its asphalt concretes are replaced byVALORCOL.A recent roadworks in the Jura used 12,000 square metres of base course and 3,000 tonnes of VALORCOL. Energy andCO2 savings of nearly 48% were obtained, compared to the traditional use of transported hot bitumen and extractedaggregates. The energy saving was equivalent to 530 Swiss families' electricity consumption for lighting during one year. TheCO2 saving was 84 tonnes, which is the equivalent CO2 output of a 30 tonne truck covering 87,000 kilometres.ContactEnergy Consumption [MJ/m2]Initial Solution222.5 MJ/m2Valcorol116.7 MJ/m2-47.5%0 50 100 150 200 250GH Emission. in Equivalent CO2 [kg/m2]Claude MorzierCommercial ManagerColas Suisse SARoute de Berne 341010 LausanneTel. +41 21 654 0027morzier@colas.chInitial SolutionValcorol7.66 kg/m2-47.7%14.65 kg/m20 2 4 6 8 10 12 14 16BinderAggregatesManufacturingTransportationLayingInternational Road Federation Innovative Practices for Greener Roads Back to Table of Contents I 18