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I have to design a cooling tower platform on ground. The dimensions will be 40x100ft. The ground is fill up to 20'. the bearing capacity at 20 feet is 0.5TSF and the bearing capacity at 23' is 1.1TSF. I am thinking to use timber piles. Anyone can point me to some references and what i...

in this case there is no slab. The beams are 16" deep and look ok, however the slab is just ash and gravel. There is a layer of lightweight concrete above and then ash and soil in order to build up the pitch. Then as you dig further (with hand tools) you keep going down. We did not want to...

We had to design some dunnage steel that is supported on posts that sit on existing columns on the roof of a building. We did some props in order to locate the columns and realized that the slab construction is made with cinder concrete. There are steel beams from column to column 16" deep...

i am working on a residential project where we need to splice some pipe columns. I usually like to weld my connection but in this case being in a wood house i prefer to bolt. i am thinking to use plates at the end of each column which will be bolted together with 3/4 A325 bolts. Also this...

may be you mean the portion of the rafter under the attic floor. this is ok for in plane loads but what about in and out of plane?

this is an existing house. the rafters just sit on top of the wall while the attic floor is two feet above. my concern is the point of connection between rafters and wall. the wall is two wythe brick and i do not think that the top plate is connected to the wall and now the headroom is too...

MillR how do you put a nailer on a 3 1/2" wood pipe?

thanks for your replies. i think i will go with the adhesive anchors. To answer hokie66, the wall is 8"thick. the brick wythes are 3 1/2" each and not 4". to engage both wythes i have to go with 6" long anchors. these they have to be installed in a zig-zag fashion at the bottom and top of...

i need to add a steel beam supported on steel pipes to support the roof of a house. the steel pipe has to go through two floors all the way to the basement for 28 feet. how can i brace this pipe at each floor?

i need to support a new metal joist floor on existing two-wythe exterior solid brick wall with an air cavity. the two wythes are bonded together with brick units in what i think is called common bond pattern. the wall is only 8" thick. the building is two story high and was built in 1950's...