Project-Imagepool

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Terms of use: The pictures on this site originate from the projects in the frame of the programmes City of Tomorrow, Building of Tomorrow and the IEA Research Cooperation. They may be used credited for non-commercial purposes under the Creative Commons License Attribution-NonCommercial (CC BY-NC).

Different Urban Densification Scenarios #1 - Use Case Area Triesterstraße/Graz

Different urban densification scenarios - based on natural lighting, view facotrs, and height limitations.

Different Urban Densification Scenarios #2 - Use Case Area Triesterstraße/Graz

Different urban densification scenarios - based on natural lighting, view facotrs, and height limitations.

Visualization of the planning parameters as well as their components in the NaNu3 model.

The figure shows the choices for various roof systems and combinations and the associated component options.

Graphical comparison of two different flat roof use cases.

The graphic shows two different use scenarios, their performance and the precipitation potential as well as the monthly precipitation amounts and irrigation requirements. They differ in graywater treatment (left) and walkable roof terrace (right). The left scenario shows a significantly better performance in most KPI categories.

Concept of NaNu3 framework, selected roof elements, and performance indicator groups.

The figure shows the concept on the framework, the selected roof elements and the performance indicator groups.

Presentation of the 3 main elements of the project photovoltaic, green roof and water management.

The diagram lists the 3 main components of the NaNu3 project photovoltaics, green roofs and water management. For each component, the input parameters, function and effect are shown schematically.

Simulation and visualization prototype

The figure shows a screenshot of the visualization prototype with a three-dimensional map representation of the calculated quantities of building materials per district. Thereby, district base areas are extruded in height depending on the material quantities. Colors indicate the dominating material group (in this representation predominantly concrete incl. screed). The color assignment follows ÖNORM A-6240. Left of the map, the scenario editor is shown, which allows setting of demolition rates for buildings of different construction periods as well as assumptions for the future population growth and the housing demand per inhabitant. Right of the map is a detailed analysis for the 22nd district of Vienna marked on the map. A bar chart shows the material quantities per material group in tons. In the navigation bar on top of the map, scenarios from the scenario editor can be loaded and saved, and it is also possible to switch between the map view and other diagram views. Below the map is a time slider that can be used to track the calculated values of the scenarios over time between the year 2020 and the year 2050.

Scenario for future, cycle-oriented management of construction waste in Vienna (reference year 2014, material flows in t/a)

The figure shows a material flow diagram of the main mineral building materials and construction waste in Vienna for the reference year 2014, assuming that the system is optimized with regard to cycle-oriented criteria. The figures refer to one year and are given in tons. The system boundary includes the city of Vienna. A total of 3.1 million tons of building materials are imported into the system per year, 0.31 million tons are exported as recycled material with unknown use. The material stock (buildings and infrastructure in Vienna) increases by 2.8 million tons. The following five processes are mapped within the system boundary: (1) production of construction materials for Vienna, (2) buildings and infrastructure in Vienna, (3) collection of construction waste, (4) landfill, and (5) recycling). In (1), 3.1 million tons of raw materials are imported (as input to the system), and in addition, 1.2 million tons of recycled materials from process (5) Recycling enter the process as an input stream. The following quantities of building materials are exported from process (1) to process (2): 2.9 million tons of concrete, 0.51 million tons of masonry, 0.21 asphalt, and 0.68 million tons of sand-gravel. Process No. (2) Building and Infrastructure in Vienna includes a material stock of 420 million tons of building materials, which increases by 2.7 million tons. Leaving this process is 1.6 million t of construction waste, which is the input to process (3). From process (3) collection of construction waste 0.088 million t. Construction waste masses are exported to process (4) Landfill and deposited there, and the remaining 1.5 million t of construction waste masses enter process (5) Recycling. Since 1.2 million t in this scenario are reused as recycled building materials within the system boundary and substitute primary raw materials, only the remaining 0.310 million t are exported from process (5) Recycling outside the system boundary and thus constitute the export from the system (Vienna Construction Industry - Smart City Scenario).

Floor and building area potentials (>550 m² floor area) per building block in Vienna.

This figure shows 2 choropleth maps of Vienna a) the "unused floor area potentials" in Vienna and b) building area potentials (in square meters), - unbuilt building land, each per building block. In both categories, the potentials are mainly found in the districts north of the Danube, but also in the south of Vienna and in Simmering, whereas floor area potentials can be found in the entire city area.

Constituents of vacuum glass products (principles)

This illustrations shows the main constituents of vacuum glass products: Glass edge seal, vacuum gap, distance pillar and bordering glass panes.

Prototype C - Swing window

This prototype offers a swing operation, which is controlled via mechatronic components. As such it offers a wide variety of opening positions for different purposes as small-scale ventilation.

Prototype A - Turn window opening to inside

This window has a smooth, fully-glazed appearance from an indoor perspective. There are no obvious handles; The window is motorized and features a ventilation-position.

Prototype B - Turn window opening to outside

This prototype is a sil-integrated window featuring mechatronic fittings. The window can be offset parallely into a ventilation position. From the ventilation position, the window can be opened in a 90 degree turn position. The window offers a very minimalistic appearance for use in punctuated facades.