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What are the procedure for road construction on unsuitable subgrade

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Asked: April 28, 20192019-04-28T22:34:57-07:00 2019-04-28T22:34:57-07:00In: Construction
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Sorry it's a private question.

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  1. AdityaBhandakkar

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    AdityaBhandakkar User
    2020-10-12T11:11:25-07:00Added an answer on October 12, 2020 at 11:11 am

    Hi,

    If the subgrade is unsuitable for road construction then replace that subgrade with a suitable type of subgrade that having a good bearing capacity and ability to resist an applied load by vehicles.

    there are various techniques to increase the bearing capacity of a suitable subgrade and make it suitable for use.

    Refer IRC 002, IRC 064:1990 for various methods.

    following are some methods are described briefly for stabilization of the unsuitable subgrade

    1. Removal/replacement of fills.
    2. Traditional compaction methods
    3. Uses of mechanical stabilization Techniques
    4. Use chemical stabilization
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