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

ACHT when it's a matter
of microtunnelling. ACHT ranks among the leading companies in the field of microtunnelling.

Consulting in tunneling
BABENDERERDE INGENIEURE advises worldwide on questions concerning planning, design, submission, process engineering

Microtunneling Equipment
Based in the UAE we buy and sell Microtunneling Systems and ware and spareparts for all known makes.
TBM Trading Middle East

We supply form works
for the manufacturing of tunnel segments.

Shotcrete Machines
Mobile shotcrete machines from Czechia