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8 July, 07:46

The CBR method of flexible pavement design gives an idea about the:

A. quality of road-making material

B. traffic intensities

C. characteristics of soil

D. All of the above

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  1. 8 July, 09:07
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    A. quality of road-making material

    Explanation:

    The CBR method of flexible pavement design gives an idea about the:

    A. quality of road-making material

    B. traffic intensities

    C. characteristics of soil

    D. All of the above

    The California Bearing Ratio (CBR) test is a penetration test used to evaluate the subgrade strength of roads and pavements. The results of these tests are used with the curves to determine the thickness of pavement and its component layers. it is the measure of the resistance of a material against the penetration of a standard plunger.

    This can be used to determine the quality of road making material. CBR is expressed as the percentage of the actual load to the standard load.
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