What composition of cement for rammed earth walls and what compaction?
Rammed earth construction basics:
In modern variations of the technique, rammed-earth walls are constructed on top of conventional footings or a reinforced concrete slab base. Where blocks made of rammed earth are used, they are generally stacked like regular blocks and are bonded together with a thin mud slurry instead of cement. 300PSI here's article http://web.mit.edu/masonry/Rammed/testing.html You'll need to sift thru all these for info. pertaining to your needs, soil composition you are using,materials etc.. https://www.google.com/search?q=what+composition+for+cement+for+earth+rammed+walls+%26+what+compaction%3F&rlz=1C1CHBF_enUS750US750&oq=what+composition+for+cement+for+earth+rammed+walls++%26+what+compaction%3F&aqs=chrome..69i57.10233j0j7&sourceid=chrome&ie=UTF-8