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Published byWayne Hilditch Modified over 9 years ago
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Initial Conditions of the Road Initial Conditions of the Road Initial Conditions of the Road
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The nature of gravel road accessing area for development
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Category material in situ is G5-G6 (Colto RSA) The state of the Road Section
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Cutting of the bypass lane Cutting of the bypass lane
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Mixing continued Mixing continued
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Ripping of the Road Process Ripping of the Road Process Ripping of the Road Process This is to provide for the removal of stones larger in size than 25% of the matrix thickness of the road base. This is to provide for the removal of stones larger in size than 25% of the matrix thickness of the road base.
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Rocks and stones visible after ripping the surface
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Consistency of Material being worked with
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cement used cement used
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Mix design Quantities Clay soil @ 5% cement ItemsUnitsAmount of BagsUnitsQtyUnits Total surface & content sqm6,000.00 900.00 M³M³ Cement Component 2,123Bgs106,155Kg RoadCem*43.00Bgs1,061.55Kg Mix design Clay Soil for 1 M³ MaterialRatio M/M-% PowerCem to Cement Cubic Meter PowerCem matrix Material in situ94.95% 2,359.00Kg Cement Component5% 117.95Kg RoadCem0.05%1.00%1.1795Kg Total100.00% 2,478.13Kg The Mix design for one cubic meter of in situ material is as follows: Aforementioned will give the following quantities for the 1 km road section at an average 6 meter width: average 6 meter width: * The RoadCem bags is round up to the next whole bags
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The even distribution of cement, this is to meet the requirements for the mix design
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The Manual distribution of RoadCem The Manual distribution of RoadCem
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Evenly distributed RoadCem Evenly distributed RoadCem
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Manual distribution of cement
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Integrating Cement Mixing the cement and RoadCem into the matrix utilizing a Motograder
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Removal of larger stones, rocks and litter
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The windrow method was used to mix the soil to obtain optimum homogenous mix The windrow method was used to mix the soil to obtain optimum homogenous mix
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Wetting of the matrix until OMC is achieved for compaction
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Compaction Process
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Roller compaction until 95 % Mod Aashto compaction is achieved
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the final cut and leveling to obtain the correct profile and camber
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Final Result
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51 Loper Avenue Kempton Park, Johannesburg, Spartan ext 2 1620 General contact: Tel: +27 974 7534/5 Fax: +2711 974 1835 Prepared by: Office Address:
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