I am a PE/SE with about 8 years of design experience in general civil structures (non-bridge) and buildings. I am thinking I would like to steer my career towards bridge design. I saw a job posting recently for a bridge inspector position. I am interested because it seems like it would be a...
I have a situation where I need to attach a light pole (HSS 4x4) to the top of an existing railing post (HSS 8x6). The light pole needs to be removable. The pole bolt pattern and existing post size do not allow for a simple plate to plate bolted connection. One solution would be to weld a...
IBC Table 1804.2 allows the following for clay (worst case):
Bearing = 1500 psf
Passive Pressure = 100 psf/ft
Sliding Resistance = 130 psf
For sand:
Bearing = 2000 psf
Passive = 150 psf/ft
Coefficient of Friction = 0.25
They don't mention active pressure but you can safely use 45 psf.
These...
I am reviewing a design for a new concrete beam being placed on top of an existing concrete slab. The design proposes to place the new beam bottom reinf directly on the existing slab (zero cover under bars). Shear reinf is provided with upside down u-shaped bars epoxied into the slab.
My...