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Increasing lateral bearing pressure

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Hi,

I am using lateral bearing pressure = 100psf/ft as minimum without soil report. But it's very small to design embedment of deep footing.

Can I apply CBC sec. 1086.3.3 to increase this value.

Thanks in advance.

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If the pressure is caused by earthquake overturning, you are permitted to decrease the effects on the soil by 25% per ASCE 7 section 12.13.4. Does this help?

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yes right, but it's wind load. Sec. 1086.3.3 is still applicable?

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