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MLS User Group feedback TRB2017

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Presentation on theme: "MLS User Group feedback TRB2017"— Presentation transcript:

1 MLS User Group feedback TRB2017
WJvdM Steyn

2 Global MLS User Group

3 MLS User Group Operations of MLSUG currently updated
Matrix of activities Information International manufacturing, servicing of MLS entities PaveTesting Relational / Technical support University of Pretoria

4 2016 APT conference More than 8 papers High Temperature Deformation
Validating Efficiency of Reinforcement Grids Comparative Evaluation (WMA) Non-Destructive Pavement Structural Analysis HMA Resistance to Reflective Cracking Using Geo-composites Performance of UV Irradiation Aged Asphalt Mixtures Bearing Capacity of Standard Pavements Effects of Surface Condition on Non-uniform Contact Stresses

5 Programs BASt (Federal Highway Research Institute, Germany)
Indoor pre-experiments for EU sponsored Project – HEALROAD Liaoning Provincial Research Institute Field APT on Plant-mix Cold Recycling Tech. of Expressway - Changtu County of Liaoning Province EMPA Switzerland Reported separately, mostly recycling evaluation. Comparative tests with 2 AC containing 60% and 75% RAP. Tongji University, China Thick asphalt pavement on cement treated aggregate bases

6 Programs JSTI group & Southeast University, China:
New MLS66 & MLS11 completed for delivery early Planned to evaluate fatigue life of typical asphalt pavements with Cement Treated Base (CTB). Also maintenance options. VTI – Blacksburg VA: Collaborative research project (scaled MLS11 & f-s APT) completed & reported Texas: MLS11 testing on sections for evaluating skid resistance evaluation (Pecos, Texas) South Africa: SANS series of Civil engineering test methods SANS 3001-PD1:2015 Edition 1 Determination of permanent deformation and moisture sensitivity in asphalt mixes with the MMLS3 - accepted for publication Commercial evaluation of pavements as per standard testing protocols - > 70 tests


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