Home
Back
Pavement Temperature Equation:
| From: | To: |
The Pavement Temperature Equation estimates pavement surface temperature based on air temperature and solar radiation adjustment. This calculation is important for road construction, maintenance, and safety considerations.
The calculator uses the Pavement Temperature equation:
Where:
Explanation: The equation accounts for the additional heating effect of solar radiation on pavement surfaces, which can significantly increase temperature above ambient air temperature.
Details: Accurate pavement temperature estimation is crucial for road construction planning, asphalt mixing and laying operations, thermal stress analysis, and predicting road conditions during extreme weather events.
Tips: Enter air temperature in degrees Celsius and solar adjustment value in degrees Celsius. The solar adjustment typically ranges from 5-25°C depending on solar intensity, time of day, and pavement material.
Q1: What factors affect solar adjustment values?
A: Solar adjustment depends on solar radiation intensity, time of day, season, cloud cover, pavement color, and material properties.
Q2: How accurate is this simple equation?
A: While simplified, it provides reasonable estimates for many applications. More complex models incorporate additional factors like wind speed, humidity, and thermal properties.
Q3: When are pavement temperatures typically highest?
A: Pavement temperatures usually peak 2-3 hours after solar noon, when accumulated solar heat reaches maximum levels.
Q4: What are typical temperature differences between air and pavement?
A: On sunny days, pavement can be 10-30°C hotter than air temperature, with darker surfaces showing greater temperature increases.
Q5: Why is pavement temperature monitoring important?
A: It's critical for road safety (ice formation prediction), construction quality control, and understanding urban heat island effects.