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| Testing the Consistence by Degree of Compatibility |
Principle:
The fresh
concrete is placed carefully in the steel test container. Compaction must be
avoided. When the container is full to overflowing, the concrete is smoothed
flush with the edge without vibration. The concrete is then compacted, e.g.
with a poker vibrator (max.bottle diameter 50 mm). After compaction the distance between the
concrete surface and the top of the container is measured at the center of all
4 sides. The mean figure (s) measured is used to calculate the degree of
compatibility.
Container
dimensions Base plate 200 x 200 mm (±2)
Height 400 mm (±2)
Concrete in
container Concrete
in container
before
compaction after
compaction
Degree of
compatibility: c= h1
_________ (non dimensional)
h1 – S
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