Hi, I can't find how to calculate the wall thickness for a journal bearing. there is a lot of information about the allowable pressure, but for the thickness, there is no information. Can you give some information about it? TKS
Hi, I want to travel to USA in order to buy a milling machine and a lathe. I have been looking for a good machinery seller but just a few ones give warranty for the machinery. Could any one of you give some advice about where to buy (used/refurbished) machinery, any state is fine. I would prefer...
Hi every one, i need to design a 2m dia EJ. Being honnest, i dont know how, or where to begin. The pipe is placed bewteen two concrete tanks. Its length is 65 m. The pipe is made of SA 516gr70. Do i need an EJ, there is no place to use a Expansion loop. Pelase help me, thanks for your replys
Hi, I am modelling a 220m suspended bridge. the cable geometry was defined by including a 22m vertical sag; it gives a 27438 kgf of horizontal tension. then I want to draw the tensor so i decided to modify the cable geometry by dividing it into 72 parts, but each section has changed the...
Hi everyone, I do not figure out how can I get a panel zone in a special moment frame if I have to use a HSS column because there are two webs. THANKS FOR YOUR REPLIES
Hi every one, I am going to buy an UT equipment in order to inspect steel girders. I have seen that Krautkramer (GE) is well used in this field of inspection but, is this the best equipment to perfom this inspection? What other brand can I use for UT. Thanks folks!!
Hi everyone, I took the CWI exam a couple months ago and I didn't pass the practice exam, so I have to retake that test. Does anyone know where I can find more information related to this exam. There is a copy of the test boolet of past exams, where can I find it? Any clue to help me in this...
Hi every one. I am searching about light weight floors, there is some new technology about it or the steel deck with concetre is the unique solution for this application? In addition, any one can tell me why does the moment or inertia in steel deck (technical tables) has the units of in4/ft...
Hi every one! Does anyone know about A64-42 steel? Because I have some drafts in which this steel is mentioned for a bridge. ASTM doesn't have any standard about this type of steel
Hi everyone, I use SAP2000 structural analysis program and I was looking for a section, I started with an "I" section girder. A 150x12 mm flange and 376x8mm web. According to this program, this sections is slender but I calculated that this section is compact. I am using the B4.1 table of the...
Hi everyone. I'm trying to calculate the force magnitude of the lateral buckling of a slender steel girder. I know that my beam is going to buckle so I will use lateral support attached to a wall but I dont know how to calculate the strenght of this lateral supports because I need thid force...
Hi every one,
I have been welding I girders using SAW and GMAW process. I weld ASTM A36 steel using E70xx electrodes, but the girders twist or bend after the weld. What can I do to avoid this problem? There is any book where I can find out how to solve this problem.
Thanks for your reply