Cob: soil tests

[Amanda Peck]

I have access to Houben and Guillaud, haven't done much with it.
Thanks!

Matthew asked (snipped):
Have you read 'Earth construction: a comprehensive guide' by Houben & 
Guillaud? There are all sorts
of these 'field' tests described in there, some sensory-type ones as well.

There is, for example, one that allows you to discern between different 
particle sizes by
tasting/chewing!

According to the 'taste' test...sand goes 'crunch' with a 'disagreeable 
sensation, silt smooth and
is not disagreeable, whilst clay is like flour and no abrasive sensation can 
be felt.



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