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Originally posted by etombo
I am tired of your off topic nonsense. I am going to contact a structural engineer and then pm both of you with the answer. SO... IS it possible a Russian military officer is bias to begin with?
Originally posted by hooper
reply to post by ANOK
Its a statement with regard to the weight of a material as can be found generally in a level, floor, area, etc. Not pressure in this context. Just face, you're wrong.
Pounds or pound force per square inch (psi, lb/in^2, pfsi or lbf/in^2) is a widely used British and American unit of measure for pressure. 1 psi equals 6,894.76 Pascals.
Again context doesn't matter PSF, PSI, etc., are measurements of pressure, period.
Yeah, it does. Pounds of material per square foot for an average floor loading. Its a away to shorthand the loading. Think of a floor of a building. Think of the partition walls and the furniture and the appliance. They simply add up the gypborad, framing, ceiling material, furniture and appliance and prepare a schedule accordingly. So many pounds of gypboard and so many square feet of floor space, divide the two and you got 3 pounds of gypboard per square foot of floor. You are way out of your element here.
Originally posted by hooper
Yeah, it does. Pounds of material per square foot for an average floor loading. Its a away to shorthand the loading. Think of a floor of a building. Think of the partition walls and the furniture and the appliance. They simply add up the gypborad, framing, ceiling material, furniture and appliance and prepare a schedule accordingly. So many pounds of gypboard and so many square feet of floor space, divide the two and you got 3 pounds of gypboard per square foot of floor. You are way out of your element here.
Originally posted by hooper
PSF - pounds per square foot is a measure of weight, not pressure....
Pressure is the force on an object that is spread over a surface area [because it has weight Hooper, ANOK]. The equation for pressure is the force divided by the area where the force is applied.
But by definition the number of pounds on a given surface IS the pressure exerted on that body.
Originally posted by hooper
Nope. The actual pressure or load varies.
That is why it said PSF, because it a measurement of pressure, not weight.
Originally posted by hooper
It can be both, you must know the context. Its just that simple.
Pounds or Pounds Force per Square Foot is an British (Imperial) and American pressure unit which is directly related to the psi pressure unit by a factor of 144 (1 sq ft = 12 in x 12 in = 144 sq in). 1 Pound per Square Foot equals 47.8803 Pascals.
The psf pressure unit is mostly for lower pressure applications such as specifying building structures to withstand a certain wind force or rating a building floor for maximum weight load.