(57) A paving block of the so called interlocking type has upper and lower surfaces 10,11
and sides 12,13,14,15. One side 14 is flat and the opposite side 15 has an outwardly
extending portion while the other two sides have inwardly extending portions. The
block by virtue of the flat side 14 can be manufactured in a conventional block forming
machine. Each block when constructing paving has a similar block associated with it
the two blocks being mounted in back to back relationship. The sides 14,15 are at
least twice as long as the sides 12, 13 so that vertical load applied to one block
in a paving will be distributed to two adjacent blocks.
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