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I am designing a pile supported mat foundation. I would like to do some hand calc to check my Staad Foundation model moments. i will be ignoring soil bearing pressure and only assuming the piles are taking the loads. I have tried to find literature about this situation but have only found...

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Thank you kslee for all your information. It has helped me greatly. There is still one thing that bothers me....I am still iffy on the shear calculation. Using the strip method you find a resultant shear force at a certain point on the cut. Do you design for that shear force per foot along...

O, Thank you for all your help.

kslee1000 Do you know where i can get any literature about the design of shear keys and their reinforcement?

That slab is going to be pretty thick, 8-10 feet.

I am designing a construction joint on a base slab. I have found a detail that resembles the picture attached. I see the vertical bars will be taking part of the shear. The question is are the horizontal bar groups accounting for shear friction? Can i completely rely on the vertical bars for...

the supports are not the problem. The question was just about the concrete block and how to analyze it. I have come up with checking the block for shear along a certain plane, bending, and bearing stress.

anyone?

In the attached picture shows a concrete block and the direction of the two forces in the cut in the block. Anyone know of any references that explains how to design the details for the bottom face and right faces of this slit? Thank you!

thank y'all for the advise.

What are some good weld design books. Im looking for books that include designs that directly weld W members together with out gusset plates. Preferably having 5 and more members coming in to one joint.

Where can i find these?

Well, i am having the computer to design the general layout. Then I am going to design the connection and welding. Every book i have been reading about welding only talks about simple connections. Where can i go to research advanced connections where 7, 8 members coming to a single point?

I am designing this connection http://img88.imageshack.us/img88/3904/beams1fz2.th.png Im using Descon, but it only can design the connection for the main plane. But i also have two braces comming into the joint in another plane. Any ideas on how i can get these connected to the joint?