Win32 and 64, English

TBN2NET - plugins para Engenharia
Program for calculating the distribution of earth moving in linear works

General Usage Instructions

The DDM program uses stepping stone method to calculate the distribution of earthworks, but for this to work, it is necessary to inform all available parameters such as CBR, Expansion, DMT ranges, etc...

It is necessary to make a careful analysis of the results for optimal final solution.



Ribbon/Toolbar Icon Command Command Description


Opens DDM program and creates a link with Civil 3D


Opens DDM program to draw diagram in to Civil 3D


The installer that ran when you downloaded this plug-in from Autodesk Exchange Apps has already installed the plug-in. You may need to restart the Autodesk product to activate the plug-in. To uninstall this plug-in, click Control Panel > Programs > Programs and Features (Windows 7/8/8.1) or Control Panel > Add or Remove Programs (Windows XP), and uninstall as you would any other application from your system.

Additional Information

This is a trial version of the program DDM.

When registering a license, you can test the program for 15 days, without limitation and without cost.

After this period, the program will work with limitations.

If you’re a student, please contact me to acquire a valid license for 6 months, free.

Known Issues

For DDMLINK work properly, the materials need to be in visible styles even though section view is not drawn.

For DDT work properly, some blocks need to be available in drawing


Company Name: TBN2NET - plugins para Engenharia
Company URL: https://tbn2net.com
Support Contact: neyton@yahoo.com

Author/Company Information

TBN2NET - plugins para Engenharia

Support Information


whatsapp: +55 98 99995 3538


Version History

Version Number Version Description


    1. Added prevention of duplicate names in classified items table
    2. Bug fix with licence manager


    1. Added the first version of "descramble" DDT
    2. Added a preview on the results sheet
    3. Added validation of the name of the source or destination item. They need to be on the list of "Visibility State" rectangle block
    4. Added verification of invalid data before the calculation results
    5. Help review
    6. Support to Autodesk® AutoCAD® Civil 3D® 2016


    1. Small bug fixes


    1. Fixed calculation of Average Raw Station for rated items of type "Calculated"
    2. The change in appearance of the Update Areas button now works as expected
    3. DDM does not freeze over when there is residual calculation in the Stepping Stone method
    4. The Ratings WorkSheet now puts the cells as read-only if the Type item is calculated
    5. Improved treatment of Station Equations
    6. Now, the Data Verifier also checks the Station Equations
    7. Now, you can export to html the spreadsheet of areas for origins and destinations
    8. Now, you can save and restore the order of columns in spreadsheets


    1. Now, DDM accepted "raw station" and "station format".
    2. Now, DDM accepted station equation.
    3. Possibility to change the drive letter where the program reads the serial


    1. Bug fix with language support
    2. Bug fix with "Do not show again" checkbox in registration screen
    3. Standardization of the license manager (tbn2net.utils.exe)


    1. New DWG file to exemplify the use of the program
    2. Bug fix: DDMLINK when selecting an alignment


    1. First Version
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