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Reinforcing |
Axial Load |
Reinforcing |
Axial Load |
Reinforcing |
Axial Load |
Reinforcing |
Axial Load |
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30 psf Uniform Lateral Pressure is greater than 1997 UBC 90 mph Exp. C @ 25'
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Reinforcing |
Axial Load |
Reinforcing |
Axial Load |
Reinforcing |
Axial Load |
Reinforcing |
Axial Load |
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40 psf Uniform Lateral Pressure is greater than 1997 UBC 100 mph Exp. C @ 30'
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Reinforcing |
Axial Load |
Reinforcing |
Axial Load |
Reinforcing |
Axial Load |
Reinforcing |
Axial Load |
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50 psf Uniform Lateral Pressure is greater than 1997 UBC 110 mph Exp. C @ 30'
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Reinforcing |
Axial Load |
Reinforcing |
Axial Load |
Reinforcing |
Axial Load |
Reinforcing |
Axial Load |
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60 psf Uniform Lateral Pressure is greater than 1997 UBC 110 mph Exp. D @ 30'
Notes:
Lateral uniform pressure for ICE Block in Seismic Zone 4 is 12
psf for 6", and 16 psf for 8".
Moment Magnifier method used, UBC 1910.11. Meets design requirements
of CABO 304.3 and 304.4. Required reinforcing very sensitive to
eccentric loading, table based on concentric loading (e=0). Axial
Loads are maximum allowable for given reinforcing. Reinforcing CANNOT
be reduced for non-bearing application at tabulated backfill height.
Reinforcing bar to be placed in the center of the wall. Seismic Zones 3 & 4 use maximum vertical spacing of 12" with equivalent steel, and 2 #4 horizontal in the top beam.