RF‑/FOUNDATION Pro allows you to check the allowable eccentricity of the ground pressure resultants. According to DIN EN 1997‑1/NA, this design is to be carried out with the characteristic or representative loads.
KB 000509 | Checking Allowable Eccentricity
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RF‑/FOUNDATION Pro allows you to check the allowable eccentricity of the soil pressure resultants. According to DIN EN p;1997‑1/NA, this design is to be carried out with characteristic or representative loads.
Using RF-/FOUNDATION Pro, it is possible to perform geotechnical design according to EN 1997-1 [1] for single foundations. The following article explains the design of highly eccentric loading in the foundation core according to DIN EN 1997‑1, A 6.6.5 (see [3]).
In RFEM 5 as well as RSTAB 8 in RF-/FOUNDATION Pro, you can save the foundation dimensions for all five foundation types as foundation templates in a user-defined database and use them later in other models.
In RF-/FOUNDATION Pro, the foundation design requires the definition of the corresponding loading (load cases, load combinations, or result combinations) for different design situations (STR, GEO, UPL, or EQU).
- Available types of foundation:Pure foundation plate (optionally without reinforcement)
- Bucket foundation with smooth bucket sides
- Bucket foundation with rough bucket sides
- Block Foundation with Smooth Bucket Sides
- Block foundation with rough bucket sides
- Design according to EN 1992-1-1 and EN 1997-1
- The following National Annexes of Eurocode 2 and Eurocode 7 are available:
-
DIN EN 1992-1-1/NA/A1:2015-12 | DIN EN 1997-1/NA:2010-12 -
ÖNORM B 1992-1-1:2018-01 | ÖNORM B 1997-1:2007-11 -
DK EN 1992-1-1/NA:2013 | DK EN 1997-1/NA:2007 -
BDS EN 1992-1-1:2005/NA:2011 | BDS EN 1997-1:2005/NA:2012 -
SFS EN 1992-1-1/NA:2007-10 | SFS EN 1997-1/NA:2004-01 -
NF EN 1992-1-1/NA:2016-03 | NF EN 1997-1/NA:2006-09 -
UNI EN 1992-1-1/NA:2007-07 | DIN EN 1997-1/NA:2005-01 -
NEN EN 1992-1-1 C2:2011/NB:2016-11 | NEN EN 1997-1+C1:2012/NB:2012 -
PN EN 1992-1-1/NA:2010 | PN EN 1997-1/NA:2005-05 -
STN EN 1992-1-1/NA:2008-06 | STN EN 1997-1/NA:2005-10 -
SIST EN 1992-1-1:2005/A101:2006 | SIST EN 1997-1/NA:2006-03 -
UNE EN 1992-1-1/NA:2013 | UNE EN 1997-1:2010 -
EN 1992-1-1/NA:2008 | Svensk EN 1997-1:2005/AC:2009 -
CSN EN 1992-1-1/NA:2016-05 | CSN EN 1997-1/NA:2014-06 -
BS EN 1992-1-1:2004/NA:2005 | BS EN 1997-1:2004 -
TKP EN 1992-1-1:2009 | TKP EN 1997-1:2009 -
CYS EN 1992-1-1:2004/NA:2009 | CYS EN 1997‑1/NA:2004
-
In addition to the National Annexes (NA) listed above, you can also define a specific NA, applying user‑defined limit values and parameters.
- Automatic calculation of governing loading from load cases
- Specification of additional support forces
- Determination of the reinforcement proposal for the bottom and top plate reinforcement considering the most favorable combination of mat and rebars
- Individual adjustment of reinforcement proposal
- Results of foundation reinforcement in detailed reinforcement drawings
- Results displayed in tables and graphics
- Visualization of foundation, columns, and reinforcement in 3D rendering
It is possible to perform the following designs:
- Equilibrium limit state design
- Uplift limit state design
- Ground failure (soil contact pressure) design
- Strong eccentric loads design
- Design of foundation torsion and limitation of gaping joint
- Sliding design
- Settlement calculation
- Bending failure design of the plate and bucket
- Punching shear design
Foundation and bucket dimensions can be user-defined or determined by the module. You can edit the determined reinforcement manually. In this case, the designs are updated automatically.
Do you have individual column sections and angled wall geometries, and need punching shear design for them?
No problem. In RFEM 6, you can perform punching shear design not only for rectangular and circular sections, but for any cross-section shape.
The Concrete Design add-on provides you with the option to perform the simplified fire resistance design according to EN 1992‑1‑2 for columns (Section 5.3.2) and beams (Section 5.6).
The following design checks are available for the simplified fire resistance design:
- Columns: Minimum cross-sectional dimensions for rectangular and circular sections according to Table 5.2a as well as Equation 5.7 for calculating time of fire exposure
- Beams: Minimum dimensions and center distances according to Table 5.5 and Table 5.6
You can determine the internal forces for the fire resistance design according to two methods.
- 1 Here, the internal forces of the accidental design situation are included directly into the design.
- 2 The internal forces of the design at normal temperature are reduced by the factor Eta,fi (ηfi), then used in the fire resistance design.
Furthermore, it is possible to modify the axis distance according to Eq. 5.5.
Where can I specify in RF‑/FOUNDATION Pro whether the loading for the design of foundation rotation according to DIN EN 1997‑1 results from a permanent action or the combination of a permanent and a variable action?
Does the program check the lap length of the vertical stirrups of a block foundation with smooth bucket sides?
How is the static depth d calculated in the bending design of block foundations (calculation as equivalent beams)?
How can I enter the earth covering of a bucket foundation up to 10 cm below the top edge of the bucket in RF‑/FOUNDATION Pro?
Which theoretical approaches are used in RF‑/FOUNDATION Pro for pocket foundations with rough bucket sides to divide the forces and moments and carry out the reinforcement layout?
How do I activate the earth covering (permanent)? The corresponding check box is deactivated.
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