Checking Allowable Eccentricity
Tips & Tricks
RF-/FOUNDATION Pro allows you to check the allowable eccentricity of the resultant of the bearing pressure. According to DIN EN 1997‑1/NA, this design is to be carried out with the characteristic or representative loads.
In the module, you can choose between a design for permanent actions and a design for the most unfavorable combination from permanent and variable actions.
In order to perform this design, you have to select the “Highly eccentric loading in the core” check box in the “Details” dialog box. In the “Characteristic Values” tab of Window 1.4 Loads, it is possible to select a “Permanent Action” or a “Permanent and Variable Action” in the definition of the loads.
The dimensions of the foundation should be chosen in such a way that the resultant of the characteristic loading from the permanent loads in the base area is within the first core area. In the check for the most unfavorable combination from permanent and variable actions, we have to verify for the eccentric loading that the resultant characteristic loading does not lie outside the second core area.
The figure shows how this possibility can be entered in RF‑FOUNDATION Pro.
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