steel baseplate design 1

[MiguelD]

I AM TRYING TO DESIGN A STEEL BASE PLATE FOR A COLUMN CONNECTION BUT I AM HAVING TROUBLE FINDING A DESIGN GUIDE. CAN ANYONE GIVE ME THE TYPES OF THINGS TO CHECK FOR AND FAILURE MECHANISM AND A POSSIBLY A DESIGN GUIDE TO FOLLOW.

PU= 10 KIPS
VU= 4.5 KIPS
MU= 53 KIP-FT
4 ANCHOR BOLTS
4000 PSI CONCRETE
PROPOSED 16X16 BASEPLATE 1/2" THICK
POSSIBLY AN HSS 10"X10"X3/8"

ALL HELP IS APPRECIATED I AM A RECENT GRADUATE AND NORMALLY I WOULD ASK MY LEAD ENGINEER BUT HE IS ON VACATION AND THE OTHER LEAD ENGINEER IS NOT THE TYPE ONE ASKS QUESTIONS TO.

~md

 

[asixth]

I did a baseplate design today that was located near the edge of the concrete slab (expansion joint). Make sure you provide adequate edge distance to the first row of anchor bolts so concrete splitting does not occur. For my situation, the column was designed with pinned-pinned end restraint so there was no shear and no moment (theortically), however I applied a nominal 40kN horizontal thrust (10 kips) for simple construction as per the design code of my region.

 

[MiguelD]

I found this really great article on LRFD baseplate design for those who are interested. One of the authors was one of my professors at Cal Poly. Here is the link

http://www.ce.berkeley.edu/~boza/courses/cee248/literature/AISC_EJ_Drake-Elkin.pdf

Now i ahve another question though how do you modify these calcs if you have biaxial bending shear and moment.