The calculation tools are available free-of-charge for our registered tunneltrade users. To use the calculation tools you must be logged on as a registered user. If you want to enrol know please click here:



Calculation of pipe gap for curved microtunneling
The program calculates the resulting pipe gap and the angular deflection of pipes in curved microtunneling projects. Furthermore the required overcut is determined.

Planning of curved Pipejacking and Microtunneling projects
A usesull software tool to make brief design for curved pipe jacks and microtunneling projects. Dimensions taken out of a drawing are enough to feed the programm.

Conversion Program MESH - MICRON
This online tool is to convert the sieve fineness from Mesh to Micron and vice versa. A very helpful tool that is not available elsewhere in the internet!

Calculation of pipe weights and lifting forces in ground water
Easy software tool to determine the lifting force of pipes in ground water.The weight of the pipe is calculated against the lifting force given by the volume.

Company links

Compressed Air Work
Hyperbaric Tunnel Construction and Diving, with Compressed Air Technicians, Professional Divers and Supervisors
www.nordseetaucher.de

Roadheader Specialists
NDCO is a specialist supplier of new, used and refurbished tunneling equipment. Agent for DOSCO.
NDCO CONSTRUCTION SERVICES INC.

GOECKE - Your perfect
partner for tunnel survey equipment, special accessories, brackets, prisms, bolts, laser, targets.
www.goecke.de

HITACHI TBM Construction
HITACHI Tunneling Technology Explores Tomorrow's Geofront (Underground Space) - HITACHI Construction Machinery
www.hitachi.com

Cast iron segments
and parts for tunnel and metro lining works.
www.shahtkomplekt.ru