<snip>
>> Overall, I don't think concrete fill buys you a lot, structurally,
>> unless you're doing something like a prestressed concrete beam, so the
>> side away from the load doesn't ever get into tension.
>>
>> Even in the compression side, the steel probably is stronger than the
>> concrete in compression. Concrete's big advantage is that it's cheap
>> compared to steel.
>
Normally when only a link is included without a title or content, in
the profession we just delete then.
>
> http://www.ctsee.org.tw/pdf/200310/ee0401-05.pdf
>
"Design and Construction of Concrete-Filled Steel Tube Column System in
Japan"
Does a very good job of explaining the outstanding benefits of concrete
filled tube.
73
Roger (K8RI)
>
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