Thursday, April 2, 2015


Concrete is made of rocks and sand
glued together with cement
the aggregate you understand
is irregular, with intent.

The intention of irregular shape
is tip-to-face contact all throughout
aggregate packed to reduce the gape
of free space between the grout.

Concrete made into block
has aggregate pressed and jostled
irregular aggregate interlock
frozen into position, fossiled.

The axis of this huge compaction
is the one of greatest strength
energy of vibrating action
aligns the rocks along their length.

When measured strength is the same
in all the measured block directions
"Isotropic" is the name
for equally strong strength detections.

When manufactured block's the topic
It's not so strong in sideways view.
It's known to be anisotropic
and highest strength is vertical too.

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