Design the thickness of a pavement to carry a wheel load of 52kN based on the following conditions and type of pavement. A rigid pavement with an allowable tensile stress of concrete is 1.8 MPa. Neglect effect of dowels. Use Olders Theory.
Design the thickness of a pavement to carry a wheel load of 52kN based on the following conditions and type of pavement. A rigid pavement with an allowable tensile stress of concrete is 1.8 MPa. Neglect effect of dowels. Use Olders Theory.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Design the thickness of a pavement to carry a wheel load of 52kN based on the following conditions and type of pavement.
- A rigid pavement with an allowable tensile stress of concrete is 1.8 MPa. Neglect effect of dowels. Use Olders Theory.
- Assume sufficient dowels are used across the joints. Used Olders Theory.
- A flexible pavement with an allowable subgrade pressure of 0.14MPa and the max. tire pressure equal to 0.52MPa. This pressure is assumed to be uniformly distributed over the area of tire contact on the roadway according to the principle of cone pressure distribution.
- A pavement with maximum CBR value of 8% for the subgrade soil supporting this load. The tire pressure is equal to 4kg/cm².Use U.S. Corps of Engineers Formula.
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