That sounds like a fun job... On Wed, Oct 12, 2016 at 9:27 AM, Chuck McCown <[email protected]> wrote:
> Looks like they just blew off the connector plates. It is an arch. > Romans didn’t need no stinkin’ connector plates. > A few minutes with a cutting torch on the bottom middle ought to do the > job.... > > > > ------ Original Message ------ > From: "That One Guy /sarcasm" <[email protected]> > To: "[email protected]" <[email protected]> > Sent: 10/12/2016 1:46:52 AM > Subject: Re: [AFMUG] OT - bridge implosion > > > the demo guys previously had probably only blown up cheap chinese steel. > this was old US steel > > On Tue, Oct 11, 2016 at 11:13 PM, Josh Reynolds <[email protected]> > wrote: > >> Interesting. >> >> On Oct 11, 2016 11:02 PM, "Robert" <[email protected]> wrote: >> >>> This was probably all shaped cutting charges... The problem with that >>> is the internals of the steel. They usually pre-cut some of the members to >>> determine the composition of the charges and if they cut the wrong member >>> they get the wrong results... >>> >>> On 10/11/16 8:50 PM, Josh Reynolds wrote: >>> >>>> Pretty sure they didn't think the steel was going to be that resilient. >>>> Its a far away shot, but it doesn't look like there's anything but >>>> superficial damage. >>>> >>>> >>>> On Oct 11, 2016 10:47 PM, "Eric Kuhnke" <[email protected] >>>> <mailto:[email protected]>> wrote: >>>> >>>> I have just enough nautical knowledge to seem stupid on the >>>> Internet... My theory is that they were planning to neatly cut it >>>> into medium sized chunks that could be reasonably lifted out of the >>>> river with a medium sized crane on a flat barge and carried away. >>>> Severing the whole thing and dropping it into the river in one piece >>>> would require a significantly larger/more expensive crane and >>>> corresponding barge. >>>> >>>> Not enough explosives at the severing points, or an underestimate of >>>> the strength/grade of the steel? >>>> >>>> >>>> >>>> On Tue, Oct 11, 2016 at 8:40 PM, Ken Hohhof <[email protected] >>>> <mailto:[email protected]>> wrote: >>>> >>>> OK, mechanical stuff is not my strong point. But for anyone who >>>> watched the video of the failed bridge implosion in Little Rock, >>>> Arkansas, what were they thinking? It seems they rigged >>>> explosives on the arch and the bridge deck, both of which are in >>>> compression. It seems to me they needed to sever the cables, >>>> which are in tension. That at least would have caused the deck >>>> to collapse.____ >>>> >>>> __ __ >>>> >>>> https://www.youtube.com/watch?v=aalDpReUaCs >>>> <https://www.youtube.com/watch?v=aalDpReUaCs>____ >>>> >>>> __ __ >>>> >>>> >>>> > > > -- > If you only see yourself as part of the team but you don't see your team > as part of yourself you have already failed as part of the team. > >
