The magnitude of tyre pressure controls the followings:a)Total thickn...
Tyre pressure of high magnitudes demand high quality of materials in upper layers in pavements however total depth of pavement is not governed by tyre pressure.
Hence, the correct option is (D)
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The magnitude of tyre pressure controls the followings:a)Total thickn...
The Importance of Tyre Pressure in Pavement Design
Introduction:
The design of pavement is an important aspect of road construction. The pavement is designed to carry the loads of vehicles and protect the underlying soil from damage. There are many factors that affect pavement design, and one of the most important factors is tyre pressure. In this answer, we will discuss the importance of tyre pressure in pavement design.
Factors Affected by Tyre Pressure:
Tyre pressure affects the following factors in pavement design:
1. Load Distribution:
The load distribution on the pavement is affected by the tyre pressure. A tyre with low pressure will have a larger contact area with the pavement, which results in a higher load per unit area. This can cause the pavement to fail prematurely.
2. Pavement Deflection:
Tyre pressure also affects the deflection of the pavement. A tyre with low pressure will cause the pavement to deflect more, which can result in fatigue cracking and rutting.
3. Fatigue Life:
The fatigue life of the pavement is also affected by tyre pressure. A tyre with low pressure will cause more cycles of loading and unloading on the pavement, which can lead to premature failure.
4. Quality of Materials:
The quality of materials used in the upper layers of pavement is also affected by tyre pressure. The use of high-quality materials is necessary to withstand the loads of vehicles and prevent premature failure.
Conclusion:
In conclusion, tyre pressure is an important factor in pavement design. It affects load distribution, pavement deflection, fatigue life, and the quality of materials used. Therefore, it is essential to consider tyre pressure when designing and constructing pavements.