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View Full Version : The fate of Brooksville's concrete...


jaball77
04-10-2006, 10:40 PM
As Brooksville regulars know, the surface at Brooksville is getting worse. Concrete is coming up in big chunks! It used to be just CFR SCCA running there, but now BMW is having events, as well as NASA and a Corvette club. So I'd guess that the surface is going to get a lot worse very quickly.

The question is - what do we do about it? How do we fix it, and how can we keep the surface from coming apart further? How much will it cost? And how will we pay for it?

Any Civil Engineers around?

I like GCAC's "patch and tar" system...

We also need to widen the surface by about 100 ft. :D

mofugga
04-11-2006, 07:33 AM
quickrete :dunno:

Alizarin
04-11-2006, 03:04 PM
Call in a report to the FAA that the runway (don't say which one) is starting to chunk? ;)

bam2002
04-11-2006, 10:09 PM
Its a retired run way, Not used by aricraft.
If anything a group of us should try to work out something with Brooksville, stating we will provide the labor if they provide that materials.

krekavhts
04-11-2006, 10:33 PM
I am not a civil engineer but I am a grad student in architecture up in Boston and know a thing or 2 about concrete. This situation you are starting to deal with is not real easy to fix. One big problem with concrete on runways like that is the impact of the tire onto the leading edge of the next control joint. That is the weakest part of the concrete and usually receives the largest amounts of load from impact, many concrete slabs succomb to failure at the control joints. You have probably seen many attempts to fix these break aways by putting concrete back into the missing chunk, however this usually seperates very quickly from the rest of the slab do to impurities and oils that get into the exposed concrete. Serious cleaning agents must be used to prepare the concrete before it can be patched, this is not easy and probably can't be done by anyone who isn't certified.

My advice would be to contact someone from the city and ask them how they repair CONCRETE roads at control joints. Bridges for example would be great things to ask about as very few are paved over with asphault do to the extra weight it would impose on the structure. Its also a good idea to understand that a typical runway is probably 12 - 16 inch thick concrete with a shit ton of steel in it.

Let me know if you have any specific questions as there are professors up here that know more about concrete than any person really should.

w0rd
04-11-2006, 10:48 PM
Even if we bought $3000 worth of epoxy and went out and patched every hole on the runway, next year we would have to do the same thing again. So I think the only option would be do the entire runway like Ft. Myers. This would probably prevent new problems as well as repair the current ones. Has anyone noticed any new break up at Ft. Myers after they sealed the joints?

w0rd
04-11-2006, 11:00 PM
I just sent an email to Dave Hutter as he probably ignores the CFR yahoo list. Maybe he knows something about how Ft. Myers was done.

Alizarin
04-12-2006, 03:11 PM
Its a retired run way, Not used by aricraft.
If anything a group of us should try to work out something with Brooksville, stating we will provide the labor if they provide that materials.
Which is why I said "don't say which one." That way the FAA mandates it be fixed, and everybody wins! ;)

w0rd
04-12-2006, 03:42 PM
Dave said that the airport in Ft. Myers took care of everything. So he doesn't know much, but he could give someone his contact at the airport for questions.

It appears to be working well for them, he says...
"The substance they used remains soft and pliable, Seems to work well but if it rains it takes a lot longer to dry off because of all the seams being filled. It does however seem to keep the edges from breaking loose. The only place it seems to have pulled up is near where our start line is located."

and

"The first thing you need to do is talk to the people at the airport about the problem, but be sure to express your willingness to help with the problem."


That's going to be a tough conversation... "Yeah, we ripped up your surface, and now we would like you to help repair it. Ok, thanks."

ZenkiS14_Drifter
04-15-2006, 10:55 PM
that was kool of Dave, he is a real nive guy. Yea last FCR event was the 1st time i was at brooksville and the surface sucked

mofugga
04-15-2006, 11:33 PM
I am not a civil engineer but I am a grad student in architecture up in Boston and know a thing or 2 about concrete. This situation you are starting to deal with is not real easy to fix. One big problem with concrete on runways like that is the impact of the tire onto the leading edge of the next control joint. That is the weakest part of the concrete and usually receives the largest amounts of load from impact, many concrete slabs succomb to failure at the control joints...

Let me know if you have any specific questions as there are professors up here that know more about concrete than any person really should.

damn kid, learn to spell bitch! succumb, is how it's spelled. MIT my ass :lol:



as far as the talk with the airport people, can someone please wear a hidden camera for that conversation??? i'd love to see their faces! :lol: