N.M. Admin. Code § 14.7.4.7 - DEFINITIONS
A.
Amended
soil means improving an unqualified soil to a qualified state with the
addition of other soils or amendments.
B.
Amendments means additive
elements to soil, such as lime, Portland cement, fly ash, etc. which are
"dry-mixed" into the main soil body as a percentage of total weight to achieve
stabilization.
C.
Buttress means a projecting structure providing lateral support to
a wall. The buttress shall be incorporated into the foundation and wall system.
(Refer to figure 1 of the earthen building figures supplement).
D.
CEB means compressed earth
block.
E.
Count Rumford
fireplace means a fireplace with a typically square opening with coved
sides and a shallow firebox depth of at least 12 inches, but no shallower than
one third of the width of the firebox. The fireback is vertical and does not
slant forward. The throat is located at least two inches above the lintel and
is a nozzle, rounded or streamlined so as to preserve laminar flow of the
dilution air through the throat and with a cross-sectional area large enough to
insure the elimination of all products of combustion.
F.
Keyway means a groove on the
vertical rammed earth wall surface for interlocking purposes. (Refer to figure
3 of the earthen building figures supplement).
G.
Lift means a course of rammed
earth, placed within the forms, and then compacted.
H.
Nailer means any material
rammed into the wall that serves as an attachment device. ( Refer to figure 4
of the earthen building figures supplement).
I.
Optimum moisture means
sufficient water (generally no more than ten percent) mixed into the soil to
attain sufficient compaction.
J.
PSI means pounds per square inch.
K.
Qualified soil means any
soil, or mixture of soils, that attains 300 psi compression strength and
attains 50 psi. modulus of rupture.
L.
Rammed earth means qualified
soil that is mechanically or manually consolidated to full
compaction.
M.
Round-cap
nails means fasteners that include nails or screws in combination with
caps of at least three-fourths inches diameter or three-fourths inch
square.
N.
Stabilization,
stabilized means qualified soils that pass the wet strength test under
American society for testing and materials (ASTM) D1633-00 or contain a minimum
of six percent Portland cement by weight. Stabilization is achieved through the
use of amendments.
O.
Wet
strength compression test means an approved testing laboratory process
in which a fully cured rammed earth cylinder is completely submerged in water a
minimum of four hours according to ASTM D1633-00, then subjected to a
compression test.
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