How can I overcome/rectify this void around the tunnel?
Hello,
I modeled a tunnel of 2.5 m in the soil layer. In the calculation result at the lining stage voids are created around the pipe. How can I remove these voids? what is the reason behind this phenomenon? Many thanks for your help.
Support capacity evaluation of a tunnel lining in PLAXIS 2D
Application
PLAXIS 2D
Version
PLAXIS 2D CONNECT Edition V22 Update 1 and later
Original Author
Richard Witasse - Application Engineer
Date created
01 November 2022
Date modified
01 November 2022
The project…
Composite liner approach in PLAXIS 2D
Application
PLAXIS 2D
Version
PLAXIS 2D CONNECT Edition
Date created
10 December 2020
Date modified
10 December 2020
General
Double lining is a kind of tunnel structure composed of an outer primary lining (segmental…
PLAXIS 3D Tunnel Designer
Application
PLAXIS 3D
Version
PLAXIS 3D
Date created
09 April 2015
Date modified
09 April 2015
This movie shows how to define a tunnel, a trajectory and how to divide the trajectory in the to-be-excavated tunnel…
Concrete model
Application
PLAXIS 2D PLAXIS 3D
Version
PLAXIS 2D PLAXIS 3D
Date created
09 October 2018
Date modified
09 October 2018
The Concrete model was initially developed as a user defined soil model (called Shotcrete model…
How to model segmental tunnel lining in PLAXIS 2D
Application
PLAXIS 2D
Version
PLAXIS 2D
Date created
19 February 2016
Date modified
19 February 2016
This movie shows how users can assign hinges or springs to tunnels modelled with the Tunnel designer, in order…
PLAXIS 3D Tutorial 05: Phased excavation of a shield tunnel
Application
PLAXIS 3D
Version
PLAXIS 3D
Date created
04 Oct 2018
Date modified
27 Feb 2023
The lining of a shield tunnel is often constructed using prefabricated concrete ring segments, which are bolted together…
PLAXIS 2D Tutorial 04: Settlements due to tunnel construction
Application
PLAXIS 2D
Version
PLAXIS 2D
Date created
20 May 2017
Date modified
27 Feb 2023
PLAXIS 2D has special facilities for the generation of circular and non-circular tunnels and the simulation of a tunnel…
Performance of shell elements
Application
PLAXIS 2D PLAXIS 3D
Version
PLAXIS 2D PLAXIS 3D
Date created
20 November 2012
Date modified
20 November 2012
Tunnel lining can be modelled as a beam in PLAXIS 2D and as a plate in PLAXIS 3D. By using this…