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?

Risposta

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.

Parole chiave

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

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RFEM Strutture in cemento armato
RF-PUNCH Pro 5.xx

Modulo aggiuntivo

Progettazione a taglio-punzonamento delle piastre di fondazione vincolate esternamente

Prezzo della prima licenza
760,00 USD
RFEM Programma principale
RFEM 5.xx

Programma principale

Software di progettazione strutturale per l'analisi con elementi finiti (FEA) di sistemi strutturali piani e spaziali costituiti da piastre, pareti, gusci, aste (travi), elementi solidi e di contatto

Prezzo della prima licenza
3.540,00 USD