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FAQ 002375 | For wall ends and wall corners, no soil contact stresses are deducted in RF-PUNCH pr...

Video 01 - FAQ Explanatory Video

1.5 Nodes of Punching Shear - Node of Punching Shear - Details

Figure 01 - .5 Nodes of Punching Shear - Node of Punching Shear - Details

07/09/2018

002375

Paul Kieloch

Add-on Modules

RFEM

RF-PUNCH Pro

Concrete Structures

Finite Element Analysis

Eurocode 2

For wall ends and wall corners, no soil contact stresses are deducted in RF-PUNCH pro, even though the type "Foundation" has been set. It is also nowhere possible to define that the soil contact stresses should be deducted. Why does this happen?

Answer

If you perform a punching shear design for a wall corner or a wall end at a floor slab or foundation plate, this entry is not necessary.

Since the punching load is determined at a wall corner or a wall end from the shear forces in the control perimeter when performing the punching shear design, the ratio of the surface load is missing anyway within the control perimeter (up to the load application). Therefore, this entry is also not necessary in the 1.5 dialog box.

If you, however, perform the punching shear design for a single column at a foundation plate with the punching load from the normal force of this column, you can enter the "Deductible Surface Load" at the end of the dialog box "1.5 Nodes of Punching Shear - Node of Punching Shear - Details" which allows to determine ΔVEd.

Keywords

punching wall end wall corner foundation plate floor slab soil contact pressure deductible surface load favorable surface load

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Associated Products
RFEM Main Program
RFEM 5.xx

RFEM 5.xx

Main Program

Structural engineering software for finite element analysis (FEA) of planar and spatial structural systems consisting of plates, walls, shells, members (beams), solids and contact elements

Price of First License
3,540.00 USD
RFEM Concrete Structures
RF-PUNCH Pro 5.xx

RF-PUNCH Pro 5.xx

Add-on Module

Punching shear design of foundations and slabs with nodal and line supports

Price of First License
760.00 USD
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