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Rammed Earth Soil Suitability

user-7108812 | Posted in Green Building Techniques on

Hello,

I have two soil samples both of them have 30% gravel when tested by wet sieving. When sieved with 4mm mesh, the small size gravel was 17.5 % (for both the samples). One sample has very little clay that forms weak thread and a small ribbon with difficulty. I have made test blocks with 5% cement and I plan to test the compressive strength in a lab.

I would like to know if I need more clay and, if the compressive strength works out, is it OK to build with the soil?

Thank you.
Guru

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Replies

  1. User avater GBA Editor
    Martin Holladay | | #1

    Guru,
    I have no experience with rammed earth construction, so I can't answer your question.

    Here are some links with relevant information, however:

    Rammed Earth Compressive Testing

    Rammed Earth Construction Basics

    Rammed earth

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