A PHP Error was encountered

Severity: Notice

Message: Trying to access array offset on value of type bool

Filename: models/common_model.php

Line Number: 808

DSI Hollow Bar System Explained


What is the DSI Hollow Bar System? How does it work, and what are the advantages, and how does it increase safety? Wolfgang Dolsak, Global Product Manager at DSI Underground Austria, answers these and more questions.

For more information


Categories: Tunnelling - Equipment Tunnelling - Machines 


2023-03-16 | DSI Underground | Germany | Views 1023

×
More from DSI Underground

A PHP Error was encountered

Severity: Notice

Message: Trying to access array offset on value of type bool

Filename: models/common_model.php

Line Number: 545

DSI Underground - ...

A PHP Error was encountered

Severity: Notice

Message: Trying to access array offset on value of type bool

Filename: models/common_model.php

Line Number: 545

DSI Underground - ...

A PHP Error was encountered

Severity: Notice

Message: Trying to access array offset on value of type bool

Filename: models/common_model.php

Line Number: 545

DSI Underground â€...

A PHP Error was encountered

Severity: Notice

Message: Trying to access array offset on value of type bool

Filename: models/common_model.php

Line Number: 545

DSI Underground OM...

A PHP Error was encountered

Severity: Notice

Message: Trying to access array offset on value of type bool

Filename: models/common_model.php

Line Number: 545

DSI Underground

A PHP Error was encountered

Severity: Notice

Message: Trying to access array offset on value of type bool

Filename: models/common_model.php

Line Number: 545

AT – Pipe Umbrel...

A PHP Error was encountered

Severity: Notice

Message: Trying to access array offset on value of type bool

Filename: models/common_model.php

Line Number: 545

DSI Underground Image