Step-by-Step Road Construction Quality Control Process on Site

Introduction

Quality control in road construction is essential to ensure durability, safety, and long life of the pavement. A site engineer must follow proper procedures at every stage.

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1. Subgrade Preparation

• Remove all soft soil and debris
• Compact soil properly
• Check moisture content before compaction

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2. Sub-base and Base Layer Control

• Check material grading
• Maintain proper thickness
• Ensure compaction as per specification

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3. Field Density Test (FDT)

• Conduct sand replacement test
• Ensure required density is achieved
• Record results in QC register

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4. Bituminous Layer Control

• Maintain correct temperature of mix
• Ensure proper rolling pattern
• Avoid segregation of material

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Conclusion

Proper quality control ensures long-lasting and strong road performance.