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Perimeter blocks in different forms - Aspects of daylight and view
RISE - Research Institutes of Sweden, Safety and Transport, Measurement Science and Technology. NTNU Norwegian University of Science and Technology, Sweden.
NTNU Norwegian University of Science and Technology, Sweden.
NTNU Norwegian University of Science and Technology, Sweden.
2019 (English)In: IOP Conference Series: Earth and Environmental ScienceVolume 323, Issue 1, 5 September 2019, Article number 012153Sustainable Built Environment D-A-CH Conference 2019: Transition Towards a Net Zero Carbon Built Environment, SBE 2019 Graz; Graz University of TechnologyRechbauerstrasse 12Graz; Austria; 11 September 2019 through 14 September 2019: Earth and Environmental Science, Institute of Physics Publishing , 2019, no 1Conference paper, Published paper (Refereed)
Abstract [en]

The perimeter blocks in cities are usually rectangular and follow the streets. The buildings are mostly of similar height within each block. However, perimeter blocks can be developed in many various forms. Geometric options such as chamfered corners, varied building heights and different positioned openings in a broken perimeter block are analyzed in this paper regarding the aspects of views and daylight in city planning. The choice of evaluation criteria is based on scientific discourse in the field of daylighting. As in the new European standard, "Daylight in Buildings", the following three parameters are included in calculations: solar radiation, daylight level and view out. Computer-based daylighting simulations and calculations of view parameters are performed for different designs of the perimeter blocks with equal density, FAR = 1.33. The simulations have been carried out for Stockholm. That means roughly the same shadows as in Oslo, Helsinki, Tallinn, St Petersburg and Anchorage, all close to the same latitude (60N). In lower latitudes, e.g. Southern and Central Europe the shadows are shorter. Nevertheless, the ranking of the alternatives will be similar. This study confirms that geometrical changes can improve the conditions for views and daylight in the perimeter blocks. The advantages in the tested urban design alternatives are considerable compared to the perimeter block of the standard type.

Place, publisher, year, edition, pages
Institute of Physics Publishing , 2019. no 1
Keywords [en]
Daylighting, Urban planning, Building height, Central Europe, European Standards, Evaluation criteria, Geometrical changes, Scientific discourse, Standard type, Three parameters, Sustainable development
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-40527DOI: 10.1088/1755-1315/323/1/012153Scopus ID: 2-s2.0-85073035999OAI: oai:DiVA.org:ri-40527DiVA, id: diva2:1361983
Conference
Sustainable Built Environment D-A-CH Conference 2019: Transition Towards a Net Zero Carbon Built Environment, SBE 2019 Graz, 11 September 2019 through 14 September 2019
Note

Funding details: Energimyndigheten; Funding details: Norges Teknisk-Naturvitenskapelige Universitet, NTNU; Funding text 1: This research is part of a project at NTNU, Norway which is administrated by RISE, Research Institutes of Sweden and financed by the Swedish Energy Agency. Special thanks for comments to professor Ivor Samuels, UMRG at Birmingham University and to Ph.D. Sven Christian Ebenhag and Ph.D. Per Olof Hedekvist both at RISE. All calculations of views have been executed by the architects Alexander Stark and Robert Granstam both specialists in parametric design at Sweco Architects.

Available from: 2019-10-17 Created: 2019-10-17 Last updated: 2019-10-17Bibliographically approved

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