For example: Say there is a lift eye mounted at the top of our column. A crane is applying a 100,000lb tensile load. There is also a weight hanging from the lift eye. (of course the weight would have to be centered and everything, I'm thinking in perfect world terms). Until the hanging...
What I see in the patent makes some sense to me. I have dealt with some high torque-high pressure tapered thread connections that somewhat demonstrate this concept. These connections are torqued up to almost 90% of their yield strength so they have an immense amount of force holding them...
Thank You jistre. This information is almost exactly what I needed. The column length and slenderness ratio will vary. I am simply attempting to create a method to deal with this situation. I told them to reduce the length in order to make it a short column until I had a better idea of how...
Thank you for your reply Prex. The points you brought up are good ones and further add to my vexation. The lack of published information on this subject is frustrating.
It seems to me that internal pressure, or the radial stress component, is trying to expand the pipe. When you compress a pipe, let's say a short one with no buckling, the OD increases. When you find a critical buckling load there is also a critical stress, if one were to determine this...
Thank you for your response. However, when I do a minimum thickness calculation for pipe, in finding the membrane stress intensity you must calculate the principal stresses. One of these principal stresses is axial load. Of course when it comes to comparing the largest and the smallest...
I have a drill string that has an internal pressure. Along with this internal pressure they are going to compressing this string by pulling from the top. I know how to calc the critical load, and critical stress for 0 psi. Does anybody know of a method for determining the effect of internal...
What would be the best source for shear formulas ? I have my Machine Design book and my Machinist's handbook, but they both yield very different results.
