Presentation of Paper CPA-033- 2008.pdf - Pavement Engineering ...

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Quad (full) SIM pad configuration at a typical weighbridge site on National Road 3 (N3), near Heidelberg in Gauteng © CSIR 2008 www.csir.co.za
Examples <strong>of</strong> Stress-In-Motion (SIM) Testing on the N3 – Freeway near Heidelberg…. © CSIR 2008 www.csir.co.za
Page 1 and 2: Improved Performance Evaluation of
Page 3 and 4: SOUTH AFRICAN MAJOR PAVED ROAD NETW
Page 5 and 6: 7 700 km National Roads in SA of Fr
Page 7 and 8: Freight Transport in SA….(CSIR -
Page 9 and 10: Heavy Vehicles…. © CSIR 2008 www
Page 11 and 12: More Specific issues in Paper today
Page 13 and 14: Thin Asphalt Surfacings (30 mm to 5
Page 15 and 16: Truck Tyre Inflation Pressure in So
Page 17 and 18: Longitudinal Flow of Asphalt Fatigu
Page 19 and 20: Modern Tyre science… ”Sectomete
Page 21 and 22: LOADS & STRESSES FROM TYRES: © CSI
Page 23 and 24: Stress-In-Motion testing with HVS D
Page 25 and 26: TYRE DEFLECTION & TYRE PRINTS… ©
Page 27 and 28: Overloading on Tyres….and contact
Page 29 and 30: Dual Tyre: 3D-Contact Stresses (Pre
Page 31 and 32: TYRE LOAD TYRE “FINGER PRINTING
Page 33: QUAD SIM PAD TESTING AT WEIGH-BRIDG
Page 37 and 38: Quad (full) SIM Scale on National R
Page 39 and 40: SIM In operation - N3-TCC …….
Page 41 and 42: Normalised Frequency Tyre Inflation
Page 43 and 44: Number of Tyres Axle Mass Distribut
Page 45 and 46: Measured Tyre Foot Prints :Two Axle
Page 47 and 48: 5 Axle Truck…. © CSIR 2008 www.c
Page 49 and 50: Eight (8) Axle Truck - Vertical Con
Page 51 and 52: Counts UNEQUAL LOADING ON TRUCK TYR
Page 53 and 54: ANALYTICAL ROAD PAVEMENT MODEL….
Page 55 and 56: Uniformly distributed circular load
Page 57 and 58: Stresses within a Road Pavement Str
Page 59 and 60: Multilayer Structural Model: Layer
Page 61 and 62: SIM systems.. © CSIR 2008 www.csir
Page 63 and 64: Wide Base Single Tyre- Input Data:
Page 65 and 66: Rutting- Controlled testing with He
Page 67 and 68: Vertical Tyre Stress: “m-Shape”
Page 69 and 70: Strain Energy of Distortion (SED) o
Page 71 and 72: Road Surface: Strain Energy of Dist
Page 73 and 74: Strain Energy of Distortion (SED)-
Page 75 and 76: 1 x Truck - 30 Tyres: 1 mm x 1 mm r
Page 77 and 78: Summary, Conclusions (1): • South
Page 79 and 80: Conclusions- based on SED Evaluatio
Page 81: Thank You for listening today……

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