Estimation of CO2 Emissions in RFEM 6/RSTAB 9

Technical Article on the Topic Structural Analysis Using Dlubal Software

  • Knowledge Base

Technical Article

The second part of the two-part add-on Optimization & Costs / CO2 Emission Estimation enables the estimation of CO2 emissions for structural models. This article shows you how to do it by estimating the CO2 emissions for the building shown in Image 1.

The procedure to estimate CO2 emissions in RFEM 6/RSTAB 9 is very similar to that for the cost estimation discussed in the Knowledge Base article 'Cost Estimation and Optimization Based on Minimum Cost in RFEM 6'. Given that the Optimization & Costs / CO2 Emission Estimation add-on is activated in the Base Data (Image 2), the first thing to do is to activate the option 'Estimation of CO2 emissions' for the materials in the model (Image 3).

Please note that there are different materials for the foundation slab, basement exterior walls, basement interior walls, ceilings, exterior walls, interior walls, and roof structure (Image 4). Thus, the CO2 emission estimation has to be activated separately for each material. The advantage is that you do not have to estimate the CO2 emissions for all materials, but only for those that interest you. This way, you can estimate the emissions only for certain parts of the structure (for example, exterior walls, roof structure, ceilings, and so on).

Next, open the 'Estimation of CO2 Emissions' tab of the 'Edit Material' window. The estimation of the CO2 emissions is based on the unit emission for members, surfaces/layers and solids. Thus, all you have to do is define the unit and the unit emission for the elements of interest. The program then automatically calculates the total emission and displays it as shown in Image 5.

The unit emission can be taken from a database. Even negative emissions can be taken into account, which is interesting for sustainability purposes. For instance, the estimation of the emissions can be used to optimize the model based on minimum CO2 emissions. This way, the program will look for an optimization solution based on wider use of materials with very low or negative global warming potential, so that the condition for minimum CO2 emissions is fulfilled.

Author

Irena Kirova, M.Sc.

Irena Kirova, M.Sc.

Marketing & Customer Support

Ms. Kirova is responsible for creating technical articles and provides technical support to the Dlubal customers.

Keywords

Emissions Estimation

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  • Updated 09/26/2022

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RFEM 6
Hall with Arched Roof

Main Program

The structural analysis program RFEM 6 is the basis of a modular software system. The main program RFEM 6 is used to define structures, materials, and loads of planar and spatial structural systems consisting of plates, walls, shells, and members. The program can also design combined structures as well as solid and contact elements.

Price of First License
4,450.00 EUR
RSTAB 9
Structural Frame and Truss Analysis Software

Main Program

The structural frame & truss analysis and design program RSTAB 9 contains a similar range of functions as the FEA software RFEM, paying special attention to frames and trusses. Therefore, it is very easy to use and for many years, it has been the best choice for the structural analysis of beam structures consisting of steel, concrete, timber, aluminum, and other materials.

Price of First License
2,850.00 EUR