base plate thickness calculation

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Description

Steel base plates are generally used under columns for distribution of the column load over a sufficient area of the concrete pier or foundation.

1) When a column base resists only compressive column axial loads, the base plate must be large enough to resist the bearing forces transferred from the base plate (concrete bearing limit), and the base plate must be of sufficient thickness (base plate yielding limit).

2) Under certain conditions, base plates are subject to concentric axial tension, or uplift due to wind . These plates need to be checked for bending when the design results in a relatively flexible plate which is approximately the same size as the column, i.e. a lightly loaded plate It is necessary to use properly embedded anchor bolts for these with a plate that can resist bending in the area between the flanges, adjacent to the web.

Since the load is due to wind, the allowable stress may be increased by 33%,>>>Then replace P with 0,75*P

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Submitted On:
23 Jul 2020
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1,715.80 Kb
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1.0
File Author:
receb agabeyzade
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Comments: 1
JohnDoyle[Admin] 19 days ago
A nice debut calculation! I have awarded a three month XLC Pro subscription by way of thanks.