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The appearance of potholes on a brand-new cycling track along Changi Coast Road in Singapore could be due to several factors:
1. Poor Workmanship
Inadequate Compaction: The subgrade or asphalt layers may not have been properly compacted during construction, leading to weak spots.
Improper Mixing: Incorrect asphalt mix ratios can result in a weaker surface prone to potholing.
Rushed Construction: If the project was rushed to meet deadlines, quality checks might have been skipped.
2. Inferior Materials
Use of low-quality asphalt, aggregates, or binding agents can result in a surface that cannot withstand wear and tear.
3. Drainage Issues
Poor drainage design or clogged drains can lead to water pooling on the track. Water weakens the asphalt and subgrade, causing potholes.
4. Heavy Vehicles
If construction vehicles or other heavy machinery were used on the track before it fully cured, it could have damaged the surface.
5. Weather Conditions
Frequent heavy rains and high humidity can accelerate the deterioration of poorly constructed roads or tracks.
6. Design Flaws
Incorrect slope or alignment can cause water to collect in certain areas, leading to structural failure over time.
7. Post-Construction Maintenance Neglect
New tracks require some level of maintenance, such as sealing small cracks, to prevent them from developing into potholes.
If this issue persists, it may require a thorough investigation by relevant authorities like the Land Transport Authority (LTA) to identify the root causes and hold contractors accountable if necessary.