Hello Luis,
I am just a novice here, so maybe this is a bit of help for you.
I have found good amount of information on Superadobe/earthbag/hiperadobe on the following website:
earthbagbuilding.com
The blog is nice because they show earthen building information, as well as other aspects/ideas for design.
I know there are other websites, this is the one I am familiar with.
You can email them and ask your questions there., also. Sometimes they post people's questions on the blog to
answer them, so that other folks in the world can see the answers.
You might also try connecting with Guiding Star Creations. They are based in the Pacific NW of US and travel other parts of the world, teaching and training.
Blessings,
Max