Thanks for all the replies, especially the suggestion by BridgeSmith
to excavate down to frost, backfill with crushed base to an elevation with
the abutment structure bearing on the backfill. That will work, and save
a lot of money and trouble.
Again, thanks for the great advice.
I am designing a farm bridge for access to a 16-acre field on the other side of a 12'-wide creek. It will be designed and posted for loads of 10000 pounds or less.
Delivery of concrete is difficult at this site, so concrete will be trucked-in by the bag and mixed by a portable mixer.
FEMA has...
I am currently designing a 4-story wood-frame condo bldg. on a post-tension slab above a ground-level garage.
I am accustomed to determining Cs per ASCE7-02 9.5.5.2.1. A maximum, a minimum and also a value between the max and min are determined for Cs.
My question is: My reading of the text...
I am 60 and have spent 20 years working primarily in the area of residential and light commercial structural engineering. Now that the housing market has collapsed in my locality and nationally, there is very little demand for my skillset. I am a P.E., civil with structural emphasis.
Any other...
I am a structural engineer designing a remodel and enlargement to an existing house in Denver. It is a single-story ranch with 8' poured concrete walls on 10" piers at an assumed (to be confirmed) spacing of 16'. No water. Soil is non-expansive clay with claystone at 18'. The client wants to...
I thought I read somewhere in the Incomprehesible Building Code that exterior shearwall design allowed the use of the combined shear resistance of exterior plywood and interior gypsum. Anyone know where this is found? Thanks
I have been looking on the net and in the libraries for a well-written, understandable text with design examples of concrete drilled pier design, to no avail. I am specifically looking for help in design of vertical steel to resist lateral loading. Does anyone have a favorite text for this subject?