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

Consulting in tunnelling
BABENDERERDE INGENIEURE, specialist for planing, design, tender, construction management and process engineering.
www.bab-ing.com

PANDA - Net Adjustment
Special software solution for basic geodetic survey network adjustments in tunnelling. Worldwide references.
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Looking for experts?
Tunnelling staff, engineers, operators, experts and site manager available. V-Engineering Recruitment Limited.
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BBM Group..
In all segments, BBM has proved to be a strong and reliable partner for customers setting highest quality standards
www.operta-bbm.de

Filter cage welder
Zhe Gong CNC Welding Machine(ZGTEK) Co., Ltd. provides top-notch technologies in the filter cage welding area
ZGTEK CO.,Ltd