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KB 000509 | Checking Allowable Eccentricity
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First Steps with RFEM
Description
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.
Keywords
Dlubal Knowledge Base Foundation Geotechnics rotation Eccentric loading Interface Eccentricity Dlubal KB Knowledge Base Technical Contribution
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Checking Allowable Eccentricity
RF‑/FOUNDATION Pro allows you to check the allowable eccentricity of the overloading pressure resultants. According to DIN EN 1997‑1/NA, this design is to be carried out with the characteristic or representative loads.
- Available types of foundation:
- Foundation plate (optionally without bending 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:
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Germany:
DIN EN 1992-1-1/NA/A1:2015-12 | DIN EN 1997-1/NA:2010-12 -
Austria:
ÖNORM B 1992-1-1:2018-01 | ÖNORM B 1997-1:2007-11 
Denmark:
DK EN 1992-1-1/NA:2013 | DK EN 1997-1/NA:2007
Bulgaria:
BDS EN 1992-1-1:2005/NA:2011 | BDS EN 1997-1:2005/NA:2012
Finland:
SFS EN 1992-1-1/NA:2007-10 | SFS EN 1997-1/NA:2004-01-
France:
NF EN 1992-1-1/NA:2016-03 | NF EN 1997-1/NA:2006-09 
Italy:
UNI EN 1992-1-1/NA:2007-07 | UNI EN 1997-1/NA:2005-01
Netherlands:
NEN EN 1992-1-1 C2:2011/NB:2016-11 | NEN EN 1997-1+C1:2012/NB:2012
Poland:
PN EN 1992-1-1/NA:2010 | PN EN 1997-1/NA:2005-05
Slovakia:
STN EN 1992-1-1/NA:2008-06 | STN EN 1997-1/NA:2005-10
Slovenia:
SIST EN 1992-1-1:2005/A101:2006 | SIST EN 1997-1/NA:2006-03
Spain:
UNE EN 1992-1-1/NA:2013 | UNE EN 1997-1:2010
Sweden:
SvenskS EN 1992-1-1/NA:2008 | SvenskS EN 1997-1:2005/AC:2009
Czech Republic:
CSN EN 1992-1-1/NA:2016-05 | CSN EN 1997-1/NA:2014-06
United Kingdom/Northern Ireland:
BS EN 1992-1-1:2004/NA:2005 | BS EN 1997-1:2004
Belarus:
CPM EN 1992-1-1:2009 | CPM EN 1997-1:2009
Cyprus:
CYS EN 1992-1-1:2004/NA:2009 | CYS EN 1997-1/NA:2004
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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 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
- 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?
- 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.
- I have activated the settlement calculation in FOUNDATION Pro, but cannot export the determined stiffnesses of nodal supports. Why not?
- Is is correct that the allowable soil pressure has to be entered as the characteristic value in Window 1.1 General Data of FOUNDATION Pro? Will be the design value determined automatically?
- Where in the FOUNDATION Pro add‑on module can I activate the design for limiting a gaping joint according to DIN 1054: 2010‑12 A 6.6.5?
- In compliance with DIN 1054, the allowable contact stress "Sigma_all" has been entered for the soil contact stress analysis. RF‑FOUNDATION Pro requires a "characteristic value" to be entered. How are both approaches of DIN 1054 and EN 1997‑1 compatible?
- Does the program check the lap length of the vertical stirrups of a block foundation with smooth bucket sides?
- Can I only apply an impact load to the bucket instead of the entire foundation?
