How Many Lbs Of Pressure To Break A Door Lock

A lot depends on the bone itself its position in the body and the angle of attack.

How many lbs of pressure to break a door lock.

Take the pounds pressed for example 36 pounds. Also the grade 1 deadbolt locks have been tested to withstand a minimum of 10 75 pound strikes which are reported to be the equivalent of over 100 foot pounds. Divide the pounds of pressure by the estimated square inches of your palm to determine your estimated psi strength. Any door so heavy that it prevents entrance by people with disabilities may deny them access to goods and services which is covered under the ada.

For example one palm measures approximately 6 x 4 inches or 24 square inches. Typical maximum opening force for exterior doors ranges from 8 5 to 10 lbs. The force for pushing or pulling open interior swinging egress doors other than fire doors shall not exceed 5 pounds 22 n. Let s say it s a solid wood door.

Essentially a burglar even a really strong one would have to kick your door over 100 times for it to even begin to deteriorate or show signs of weakness. If you re looking for the specifics to snap a piece of your skeleton it takes about 4 000 newtons of force to break the typical human femur. They come in 600 lbs or 1200 lbs of holding force. These forces do not apply to the force required to retract latch bolts or disengage other devices that hold the door in a closed position.

But don t run out and start applying pressure to femurs and then get upset at us when things don t crack correctly. Door opening force is the measurement of how many pounds of force are required to open a door. Some are obvious such as pounds per square inch but even the si standard pascal is actually an expression of one newton per square meter. Can an average person be able to kick the door in or push through using their body.

1 interior hinged doors and gates. It s unlock and the only. To convert from bar to pounds per. You want to stomp down with your heel as high up on the laces as possible.

Divide 36 by 24 for pounds per square inch or 1 5 psi. 5 pounds 22 2 n maximum 2 sliding or folding doors. Since pressure is derived from force and area many units for pressure directly relate force to area. The requirements for door opening force are found in the americans with disabilities act accessibility guidelines adaag icc ansi a117 1 standard on accessible and usable buildings and facilities and the massachusetts architectural access board requirements 521 cmr.

5 pounds 22 2 n maximum these forces do not apply to the force required to retract latch bolts or disengage other devices that hold the door or gate in a closed position ada advisory 404 2 9 door and gate opening force.