On May 22, 5:53*pm, George wrote:
CJT wrote:
wrote:

On May 20, 3:53 pm, "JoeSpareBedroom" wrote:

wrote in message

....
On May 20, 3:40 pm, CJT wrote:

CWatters wrote:

wrote in message
om...

On Sun, 18 May 2008 18:28:48 -0400, Matt Whiting
wrote:

Thomas G. Marshall wrote:

said something like:

...[snip]...

The concrete in steel lolly columns is to help keep them from
collapsing in a fire.

....so the preventing a dent thing is secondary, or not a
concern...?

No, preventing buckling is a significant advantage provided by
filling
a
steel column.

Matt

Uh, yes. And the buckling it prevents would be the result of fire.
Filling
the
columns with cement is to protect the columns from buckling in a
FIRE.

PVC burns doesn't it?

So does steel.

--
The e-mail address in our reply-to line is reversed in an attempt to
minimize spam. Our true address is of the form .-
Hide
quoted text -

- Show quoted text -

Steel burns? I guess I learned something new today.

============

Anything will burn at the right temp.- Hide quoted text -

- Show quoted text -

So there's no difference between burning and melting?

Sure there is. *Steel will do either (or both) depending on the conditions.

Exactly, the perfect example is to consider what is actually happening
when you squeeze the lever on a cutting torch.- Hide quoted text -

- Show quoted text -


That, imho, is a perfect example of melting, not "burning"

http://www.newton.dep.anl.gov/askasc...6/gen06008.htm