412
in Portland cement morlar, the back and face of each stone to be pointed in next cement, and all side joint grouted solid. There will be pet to the wall.
160
para
Backing As shown in the typical Cross section
& Purse
Perdue.
it is proposed to back the purre
perdue
due with eight or tene set of clay. Local day is readily obtained from the bed of
the Canton kever,
and
being of remarkable toughness and the earth of
plasticity will sleure
the embankment behind the wall
from being melted and washed out
by the action of the sea through the purre perduce.
Concrete & portand cement concrete ( 6 to 1) Packing to backing will be carried up in avoury wall. at the same time as the masonry
layers
667
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