Building façade renovation through parametric panel generation for Dutch housing
T.R.L. Pluimers (TU Delft - Architecture and the Built Environment)
T. Konstantinou – Mentor (TU Delft - Building Product Innovation)
M. Turrin – Mentor (TU Delft - Design Informatics)
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Abstract
The Dutch government has set the goal to disconnect all houses from the natural gas network that runs through our country. This to decrease emissions and meet the goals set in the Paris Agreement in an effort to halt the global mean temperature increase. To provide heat to the houses they will need to be heated with electric energy. This heating system is most efficient using lower temperatures therefore the houses will need to have a building envelope which has the right insulation levels. Meaning that a lot of older houses will need to be insulated better and therefore renovated. To reach this goal more than a 1000 house will need to be renovated every day. Ranging from small addition of insulation to houses that have no insulation at all.
To provide this solution this thesis researched the possibility of using parametric design to generate timber frame renovation panels. By doing so the time to engineer these panels could drastically drop while it would still be possible to adjust panels to building owner or designer’s needs.
The boundary of this thesis is set to research the possibilities on prewar row houses as these have the largest impact with the consumption of 21 TWh every year. The process of renovation using prefab elements has
been studied to determine the steps that are to be performed to complete the renovation. Within these steps the panels are engineered. This step has been disected into more detail to see what steps are taken to go from design to a panel that can be manufactured. The steps are then automized using python and grasshopper as software and the engineers decisions are implied by parameters. The steps taken to generate the panels are: determining the to be panelized area, composing the panel contours, creating the panel geometries and calculating the panel specific data. These steps are to be automated by using the step specific parameters which are: the panel size limit, tolerances and geometry sizing and properties. These are decided by the engineer or are already established in the pre-engineering phase. Together they enable the tool to generate building information models of prefabricated building
envelope panels which can be adjusted by its user if required.