0 Helpful?

Rammed Earth Soil Suitability


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.

Asked by user-7108812
Posted Jul 8, 2018 10:59 AM ET


1 Answer

Select your preferred way to display the comments and click "Save settings" to activate your changes.

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

Answered by Martin Holladay
Posted Jul 10, 2018 6:56 AM ET

Other Questions in Green building techniques

Insulating conventional corner

In GBA Pro help | Asked by kevek101 | Jul 19, 18

N.Y. Times article on dealing with heat wave

In Energy efficiency and durability | Asked by Alan B | Jul 16, 18

Hybrid insulation: rockwool + foam board (and canned foam for airtightness and extra R-value)

In Energy efficiency and durability | Asked by NewHomeOwner95 | Jul 20, 18

Is it necessary to insulate the ground in a Zone 5B crawlspace?

In Energy efficiency and durability | Asked by KevinEJ | Jul 19, 18

Ventilation Baffles over Lean-to?

In Energy efficiency and durability | Asked by Dylan Hillman | Jul 20, 18
Register for a free account and join the conversation

Get a free account and join the conversation!
Become a GBA PRO!