revision of south african pavement design method

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REVISION OF SOUTH AFRICAN PAVEMENT DESIGN METHOD PB/2006/D-1: IMPROVED DAMAGE MODELS FOR BITUMINOUS MATERIALS (PART 2 – THIN SURFACINGS) Johan Gerber University of Stellenbosch August 2011 SEAL MODELLING AND DESIGN

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SEAL MODELLING AND DESIGN. PB/2006/D-1: IMPROVED DAMAGE MODELS FOR BITUMINOUS MATERIALS (PART 2 – THIN SURFACINGS). REVISION OF SOUTH AFRICAN PAVEMENT DESIGN METHOD. Johan Gerber University of Stellenbosch August 2011. Approach to modelling. Modelling scales discussion. - PowerPoint PPT Presentation

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REVISION OF SOUTH AFRICAN PAVEMENT DESIGN METHOD

REVISION OF SOUTH AFRICAN PAVEMENT DESIGN METHODPB/2006/D-1: IMPROVED DAMAGE MODELS FOR BITUMINOUS MATERIALS (PART 2 THIN SURFACINGS)Johan GerberUniversity of StellenboschAugust 2011SEAL MODELLING AND DESIGN1Approach to modellingModelling scales discussion

2Past work (Dr Terence Milne)

Finite element modelling3D Viscoelastic macro-scale pavement

Better mesh better output

42D Modelling has been done2D CT-Scan meso-scale model

5Acquiring basic modelling skillsIdeal seal structure exercise (2 layers of stone)

6Acquiring basic modelling skillsIdeal seal structure exercise (2 layers of stone)

7Current progressGranular base geometry establishmentExtracting in-situ samples

8Current progressGranular base geometry establishmentExtracted sample & representative CT-Scan

Reseal on G5 base

9EndThank you

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