CONCRETE ROADS FOR LOW TRAFFIC VOLUMES Brian Walker BCP Engineers.
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CONCRETE ROADS FOR LOW TRAFFIC VOLUMES Brian Walker BCP Engineers
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Transcript of CONCRETE ROADS FOR LOW TRAFFIC VOLUMES Brian Walker BCP Engineers.
Advantages Of Concrete Roads
• Ideal for emerging contractors
• Low capital costs on plant
• Can be laid on very steep grades
• Little or no layerworks required
• Low maintenance costs
Some Problems With Concrete Roads
• Incorrect aspect ratios
• Irregular shaped panels
• Settlement of fills
• Late saw cutting of joints
• Plastic shrinkage cracks
Cost Comparisons Asphalt/concrete
S-B G2 Premix 25 Mpa
Conc.
Total
Asphalt R25 R28 R21 R0 R74
Conc. R0 R0 R0 R87.50 R87.50
Summary
• Lower maintenance costs
• Helping emerging contractors
• Low capital cost of plant
• Ideal for steep grades
• Can reduce the cost of drainage
• Reduced requirement for scarce layerwork material