Tire Pounding Tire WallsTire walls are made by laying tires in staggered courses like bricks or concrete blocks.  Each tire is filled with compacted earth, so that it becomes a rammed earth brick encased in steel belted rubber, about 95% compacted. A pounded tire weighs over 300 pounds, therefore, all tires are pounded in place and are NOT moved after the tire is fully pounded and leveled. The tires are set on leveled undisturbed  ground and pounded in place using a sledge hammer. Each tire takes about three or four wheel-barrows of dirt. The tires are pounded level in all directions. Scrap cardboard or empty cement bags are used to fill in the holes in the tires and make them temporarily contain the earth on all courses other than the first course which is flat on the ground and plastic is used.  The first course gets a double layer of 6 mil plastic in the bottom of each tire. Since both sides of the tire wall will eventually be buried or covered by plaster, the cardboard could decompose without affecting the rammed-earth.

Tire Pounding Tire WallsHow to pound a tire:

1.  Layout tires – pound in place.

2.  Place cardboard or plastic in  the bottom of each tire.

3.  Stuff tires with dirt by hand.

4.  Pound dirt into tire casing with an 8 lb. sledgehammer

5.  Tamp the dirt in the middle of the tire.

6.  Level the tire in all directions and to the other tires nearby.

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