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Concrete is a
composite material composed of
aggregate bound together with a
fluid cement that
cures to a
solid over time. It is the second-most-used substance...
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Reinforced concrete, also
called ferroconcrete, is a
composite material in
which concrete's relatively low
tensile strength and
ductility are compensated...
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Concrete Mathematics: A
Foundation for
Computer Science, by
Ronald Graham,
Donald Knuth, and Oren Patashnik,
first published in 1989, is a
textbook that...
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Roman concrete, also
called opus caementicium, was used in
construction in
ancient Rome. Like its
modern equivalent,
Roman concrete was
based on a hydraulic-setting...
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aerated concrete (AAC) (also
referred to as
autoclaved cellular concrete (ACC) or
simply autoclaved concrete) is a lightweight,
prefabricated concrete building...
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Musique concrète (French pronunciation: [myzik kɔ̃kʁɛt]; lit. '
concrete music') is a type of
music composition that
utilizes recorded sounds as raw material...
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Concrete is
produced in a
variety of compositions,
finishes and
performance characteristics to meet a wide
range of needs.
Modern concrete mix designs...
- to talk
about science fiction as the
intersection of
other more
concrete subgenres.
Damon Knight summed up the difficulty,
saying "
Science fiction is what...
- origin) and
Concrete's own high-tech, artificial,
stone body (which
includes a host of
attendant abilities),
there are no
supernatural or
science fiction...
- A
concretion is a hard and
compact m****
formed by the
precipitation of
mineral cement within the
spaces between particles, and is
found in sedimentary...