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Wearing Course: Asphalt/Seal (bitumen & stone) Base Course (Crushed stone or bitumen plus stone/gravel) Sub-base (natural gravel or natural gravel plus.

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Presentation on theme: "Wearing Course: Asphalt/Seal (bitumen & stone) Base Course (Crushed stone or bitumen plus stone/gravel) Sub-base (natural gravel or natural gravel plus."— Presentation transcript:

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2 Wearing Course: Asphalt/Seal (bitumen & stone) Base Course (Crushed stone or bitumen plus stone/gravel) Sub-base (natural gravel or natural gravel plus cement stabilization) Selected Layers and Sub-grade (Gravel or sand)

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16 Test or indicator MaterialDesign Equivalent Material ClassNot suitable for EBSM1EBSM2EBSM3EBSM stabilization Soaked CBR (%) CS (98%)>80>25>10<10 NG(95%) >25>10<10 P0.075 (%) CS (98%)2 to 15 >15 NG(95%)5 to 2525 to 40>40 GS5 to 2015 to 30>30 SSSC 0 to 20>20 Plasticity Index CS (98%)<10<12 NG(95%)<6<12<15>15 GS<11<15>15 SSSC <15>15 Grading Modulus NG2.0 to to 2.7 GS 1.2 to to 2.7<0.75

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27 BSM 1 or 2 G1

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