What happens to the head of material in front of the screed when the paver's speed is increased?

When the paver's speed is increased, the head of material in front of the screed decreases. This occurs because as the speed of the paver goes up, the screed has less time to receive and compact the material being laid down. The amount of hot mix asphalt available for immediate placement in front of the screed is directly related to the paver's operational speed and the rate of material delivery.

If the material is not supplied quickly enough to match the increased speed of the paver, there may not be enough material in front of the screed to maintain an even and consistent layer. This can lead to challenges in achieving the desired thickness and quality of the asphalt mat. Understanding the relationship between paver speed and the head of material is crucial for achieving optimal results in asphalt paving operations.