21stamps
Well-Known Member
What do they think could happen? Worst case scenario? There must be some idea.
The only thing I was ever concerned with was debris flying, windows, tiles from the roof, and the aftermath, not the structure itself failing.
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Hurricane Irma
- Thread starter JohnD
- Start date
What do they think could happen? Worst case scenario? There must be some idea.
The only thing I was ever concerned with was debris flying, windows, tiles from the roof, and the aftermath, not the structure itself failing.
Private employers in the state need to take a hint from Rick Scott and allow employees in those areas under evacuation time to pack up and leave. I've seen the photos of I-75, I-95, and the Turnpike. A trip that normally takes 3-4 hours is now taking twice that. Imagine what tomorrow will be like. It's pretty crummy as an employer to force your employees to choose between a job and the safety of them and their families.
It is my understanding that tower cranes are designed to take a Cat 4 hurricane. It will be dicey for them, but I suspect they will survive. I would however not bet my life on it.
Never heard of one blowing over.
I also can't imagine them not having rather deep pilings as it is not uncommon to see a simple 2 story house built on the beach in north Florida with rather deep pilings, let alone a 20-30 story building.
ford91exploder
Resident Curmudgeon
For those with shortwave radios you might want to listen to the Hurricane Net which has WXOBS from the affected areas. These are Ham Operators but many of them are located at 'official sites'
8am / 1100 UTC 14.325 MHz
6pm / 2200 UTC 7.268 MHz
8am / 1100 UTC 14.325 MHz
6pm / 2200 UTC 7.268 MHz
ford91exploder
Resident Curmudgeon
Try being an 'essential' government employee as I have been in a past life where one is expected to be on duty no matter what and your leadership does not give a damn about the health and safety of your family.
At least at a private employee when a state of emergency is declared and roads are closed one is off the hook so to speak.
Not so for 'essential' government employees who are expected to show up no matter what.
disney vibes only
New Member
We were set to arrive in WDW this weekend but we rescheduled for next weekend before our cancellation window ended. We are even keeping it open to push it back another week or two if need be. Thoughts and prayers to all my fellow Floridians who are staying/evacuating!
After Dennis, that changed. Pilings now have a minimum footage in the ground and above surface. I'm thinking a minimum 6 feet down and 20 feet above ground.
21stamps
Well-Known Member
I feel like all of the houses on the intercoastal and ocean probably have a much better chance of standing than a lot of older homes/condo/apartment buildings just west of Federal highway near the railroad.
I think the most concerning is the bridges. And the boats/yachts.. most are being evacuated though.
I was wondering why there hasn't been a Category 6 created, for hurricanes with winds above 180mph, but I guess that would explain why.
cmb5002
Well-Known Member
Those buildings are almost certainly on deep pile/drilled shafts. The bigger question is if they designed to resist uplift in addition to the traditional vertical load of the building. Obviously the lateral force of a 185MPH wind on a 20 story building is significant. That said, the requirement should be in the design standards with a significant factor of safety.
21stamps
Well-Known Member
I hope we don't have to see what happens to all of the "new "buildings with strict codes.. I just have to wonder though, if you're on the 40th floor or above, and something like a roof tile (Spanish tiles), or piece of metal hits your windows, in 180+ winds.. I just don't see how any strength of glass could stay together.
cosmicgirl
Well-Known Member
Are the highrises usually built with concrete or steel beams?
Cranes should be alright structurally speaking imo, because they're trusses. The air can still flow around the individual rods relatively easily, so there is less resistance for the wind and the resulting load to be carried by the truss itself should be bearable imo. The critical parts of cranes are the attachment points to the ground and the angle where the horizontal part meets the vertical part. The ground attachment point has to take the highest load (bending moment).
There's also a boundary layer effect close the ground so the wind velocity will be lower close to the ground than higher up, but that doesn't change the fact that the foundation has to bear the load of the high-velocity wind at the top. The higher the crane, the higher that load.
If a crane were to go down I would expect the horizontal part (the arm) to let go first, hopefully leaving the rest of it standing.
I suppose that this is what safety factors are for...
That said, I do remember that crane dangling from that skyscraper in Manhattan back in 2012.
Cranes should be alright structurally speaking imo, because they're trusses. The air can still flow around the individual rods relatively easily, so there is less resistance for the wind and the resulting load to be carried by the truss itself should be bearable imo. The critical parts of cranes are the attachment points to the ground and the angle where the horizontal part meets the vertical part. The ground attachment point has to take the highest load (bending moment).
There's also a boundary layer effect close the ground so the wind velocity will be lower close to the ground than higher up, but that doesn't change the fact that the foundation has to bear the load of the high-velocity wind at the top. The higher the crane, the higher that load.
If a crane were to go down I would expect the horizontal part (the arm) to let go first, hopefully leaving the rest of it standing.
I suppose that this is what safety factors are for...
That said, I do remember that crane dangling from that skyscraper in Manhattan back in 2012.
Think we are about to find out...
Nickels5
Well-Known Member
lol I love that comment when other people tell you to walk away from a well paying job with good benefits. This continues to go more and more east after Monday Orlando will be completely fine.
rocketraccoon
Well-Known Member
Eesh, the Turnpike is backed up hard this morning. I wonder if it's worth going on I-95 and cutting across the state via HWY 40 to get back on I-75, although it's backed up there too in a lot of places.
Lots of people trying to get gas.
Never seen black likes in Google Maps before. Heading out tomorrow afternoon since I live fairly north. Might have to go up to Jacksonville and cut across via I-10 to get back on 75.
Lots of people trying to get gas.
Never seen black likes in Google Maps before. Heading out tomorrow afternoon since I live fairly north. Might have to go up to Jacksonville and cut across via I-10 to get back on 75.
Miceberg
Well-Known Member
HauntedPirate said: ↑
Exactly. It's not like this is being done on a whim. There's a Cat5 hurricane heading for Florida. If an employer's stance is - "Nope, sorry, your vacation is locked in!", the response should be - "Ok, then I quit".
I can't agree enough as a current 'essential' employee who has to schedule vacations a year in advance with no "backsies". A co-worker of mine is currently in WDW, hoping to leave tomorrow because her cruise was cancelled. Sure she can reschedule, but not for anytime soon because all vacation time is spoken for - for the entire year and beyond - we have to meet minimum staffing levels in order to keep the public safe. I doubt she's going to quit her job because she can't reschedule.
Exactly. It's not like this is being done on a whim. There's a Cat5 hurricane heading for Florida. If an employer's stance is - "Nope, sorry, your vacation is locked in!", the response should be - "Ok, then I quit".
I can't agree enough as a current 'essential' employee who has to schedule vacations a year in advance with no "backsies". A co-worker of mine is currently in WDW, hoping to leave tomorrow because her cruise was cancelled. Sure she can reschedule, but not for anytime soon because all vacation time is spoken for - for the entire year and beyond - we have to meet minimum staffing levels in order to keep the public safe. I doubt she's going to quit her job because she can't reschedule.
Just glass won't. Laminated glass will take a hell of a lot of damage before it fails. Of course the odds of it being laminated glass above the 3rd floor is pretty slim.
Eesh, the Turnpike is backed up hard this morning. I wonder if it's worth going on I-95 and cutting across the state via HWY 40 to get back on I-75, although it's backed up there too in a lot of places.
Lots of people trying to get gas.
Never seen black likes in Google Maps before. Heading out tomorrow afternoon since I live fairly north. Might have to go up to Jacksonville and cut across via I-10 to get back on 75.
I-10 may be no better. My niece lives in Jax and she indicated people are starting to evacuate.
sudokujesus
Member
Okay guys... what is yall's best guess as to what day(s) the park(s) will close early/completely?
Given the latest runs, it seems like the MOST LIKELY impact will be similar to that of Hurricane Matthew. Obviously it could be better or worse than that depending on where Irma ultimately tracks, but I think that's the best guess.
In that situation, do we think the parks would probably close early Sunday and then the full day Monday and resume operations Tuesday?
Given the latest runs, it seems like the MOST LIKELY impact will be similar to that of Hurricane Matthew. Obviously it could be better or worse than that depending on where Irma ultimately tracks, but I think that's the best guess.
In that situation, do we think the parks would probably close early Sunday and then the full day Monday and resume operations Tuesday?
rocketraccoon
Well-Known Member
Google Maps is recommending going up to Lake City and then getting on I-75 there apparently. We'll see tomorrow morning I suppose, but the fact it's going that far out from where I am shows how bad 75 must be near Gainesville. Under normal traffic that'd be 45 minutes to an hour extra.