NATM Tunneling - Beta Method: Incomplete Staged construction method vs. Deconfinement method
Application
PLAXIS 2D
Version
PLAXIS 2D CONNECT Edition V22 and later
Date created
20 January 2023
Date modified
20 January 2023
Original author
Kalyani Singh
Introduction
In the NATM method, the tunnel…
Deconfinement feature might generate wrong stress distribution for dry conditions
Application
PLAXIS 2D
Issue status
Solved
First Affected Version
PLAXIS 2D CONNECT Edition V20 Update 4
Found in Version
PLAXIS 2D CONNECT Edition V20 Update 4 PLAXIS 2D CONNECT Edition V21
Fixed and Released in Version…
Deconfinement in Plaxis 3D?
We have deconfinement option to relax the soil in plaxis 2D, similarly do we have any other option plaxis 3D. I have tried surface pressure inside tunnel and could not produce accurate results. Can anyone help me?
Deconfinement method gives unexpected results in case of pore water pressure change in PLAXIS 2D
Application
PLAXIS 2D
Issue status
Open
First Affected Version
PLAXIS 2D 2018.00
Found in Version
PLAXIS 2D CONNECT Edition V20 Update 2
Fixed and Released in Version
PLAXIS 2D CONNECT Edition V20 Update 4
Issue…