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And when building
posttensioned bridges, greater attention is paid to ensure cavities can't form
in the concrete grout. We may never completely design
all weaknesses out of the structures we build. But every disaster
is a lesson we can learn from, to make bridges safer
in the future
posttensioned bridges, greater attention is paid to ensure cavities can't form
in the concrete grout. We may never completely design
all weaknesses out of the structures we build. But every disaster
is a lesson we can learn from, to make bridges safer
in the future
Full Transcript
00:00:01.000 --> 00:00:03.008
And when building
posttensioned bridges,
00:00:03.084 --> 00:00:05.054
greater attention is paid
00:00:05.057 --> 00:00:09.074
to ensure cavities can't form
in the concrete grout.
00:00:11.044 --> 00:00:14.007
We may never completely design
all weaknesses
00:00:14.074 --> 00:00:18.094
out of the structures we build.
00:00:20.999 --> 00:00:23.014
But every disaster
is a lesson we can learn from,
00:00:23.017 --> 00:00:28.007
to make bridges safer
in the future.
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Movie Summary
Science documentaries about various topics.
