Part V
Smokin
Joined: Jun 2006
Posts: 8,849
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I don't think it's as cool as you might think it would be.
Civil Engineering consists of a lot of arguing with wetlands commissions and all that garbage.
My uncle is a civil engineer. They offered him the job of town engineer for his town. He told them no thanks he couldn't afford the pay cut right then.
The good news is that civil engineers don't spend all day inside. They can write off their mileage because they're constantly driving around checking on jobs they designed and they make 6 figures.
Civil Engineering consists of a lot of arguing with wetlands commissions and all that garbage.
My uncle is a civil engineer. They offered him the job of town engineer for his town. He told them no thanks he couldn't afford the pay cut right then.
The good news is that civil engineers don't spend all day inside. They can write off their mileage because they're constantly driving around checking on jobs they designed and they make 6 figures.
Hotshot
Joined: Jan 2008
Posts: 13,144
Likes: 11
From: Rochdale MA
On your design you have the box attached at 4 points. That means that the force of the impact is going to be devided by 4. If you attach it by 6 or 8 points and all the tubes are interconnected the force is spread out.
Ok what weighs more in psi a fridge or a water bed?
Ok what weighs more in psi a fridge or a water bed?
Hotshot
Joined: Jan 2008
Posts: 13,144
Likes: 11
From: Rochdale MA
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Post Fiend
Joined: Dec 2008
Posts: 7,649
Likes: 2
From: Wallingford, CT
Yea. However I don't know the measurements and weight of a fridge or waterbed off the top of my head.
Well the pounds per square inch is determined by how much pressure an object is exerting per square inch of surface area it has.
If you had a gallon of water in a 1 square inch column then the pressure at the bottom of the column would be 8psi since a gallon of water weighs 8 pounds.
The fridge has less surface area so it's exerting more force on the area it is sitting on.
However if you tilted the water bed on its end it would be exerting far more pressure than the fridge. You're assuming the water bed is laying flat.
Something along those lines?
Well the pounds per square inch is determined by how much pressure an object is exerting per square inch of surface area it has.
If you had a gallon of water in a 1 square inch column then the pressure at the bottom of the column would be 8psi since a gallon of water weighs 8 pounds.
The fridge has less surface area so it's exerting more force on the area it is sitting on.
However if you tilted the water bed on its end it would be exerting far more pressure than the fridge. You're assuming the water bed is laying flat.
Something along those lines?
Hotshot
Joined: Jan 2008
Posts: 13,144
Likes: 11
From: Rochdale MA
No measurements needed Pete. Even though the fridge is smaller and weighs less than the water bed, it weighs more in PSI. The fridge sits on 4 small feet so all of the weight is on those four small points. A waterbed is much heavier but the weight is distributed over a much larger surface area so in psi it weighs less.
Smokin
Joined: Jun 2006
Posts: 8,849
Likes: 0
To be fair the only reason I knew the answer to that..is that I live with an engineer..and I am always getting speeches about various theories and laws that govern specific truths in everyday life.