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Concrete Bearing

CSA A23.3-19
v1.0.0
File:
Project:
Designer:
Date:

Material

Compressive strength, f'c:
MPa
Resistance factor, Φc:
info
Φc = 0.65 for cast-in-place concrete (CSA A23.3-19 Clause 8.4.2). Use 0.70 for precast concrete manufactured in a certified plant.

Bearing Geometry

Loaded area, A1:
mm²
Lower supporting base area, A2:
mm²
info
A2 is the area of the lower base of the largest frustum of a pyramid or cone contained wholly within the support and having the loaded area A1 as its top. The √(A2/A1) enhancement (capped at 2) applies only when the supporting surface is wider on all sides than the loaded area (CSA A23.3-19 Clause 10.8.1). Leave blank for no enhancement.

Load

Factored load, Pf:
kN
Thinking...

This information must be read or used in conjunction with CAN/CSA A23.3-19 Design of Concrete Structures, Clause 10.8. In the event of discrepancies, CAN/CSA A23.3-19 shall govern.

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