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A master thesis from Aalborg University

The green village: A proposal of living in dense cities

[Den grønne by: Et forslag om at bo i tættere byer]

Author(s)

Term

4. term

Education

Publication year

2016

Submitted on

2016-06-22

Pages

120 pages

Abstract

Der har været et øget fokus i de sidste årtier i Danmark på at udvikle lavenergi huse for at opnå en mere bæredygtig måde at leve på. Formålet med dette speciale ” Den grønne by – et forslag om hvordan man kan bo i tættere byer” er at genfortolke det klassiske rækkehus, således at der opnås en stærk forbindelse til de urbane og grønne omgivelser for at udvikle en mere bæredygtig og kompakt alternativ måde at leve på i forhold til de meget populære danske enfamiliehuse. Den valgte location for projektet er placeret i Høje Taastrup kommune, som er beliggende 20 kilometer vest for København. Dette speciale udforsker mulighederne for at udvikle en mere kompakt måde at leve på i byerne for et reducere behovet for biler og dermed reducere udledningen af kuldioxid. De karakteristiske kvaliteter ved de traditionelle enfamiliehuse og rækkehuse er blevet kombineret for at skabe en mere kompakt hustype for familier med børn. Der er udført en undersøgelse i Danmark der viste at boliger er ansvarlige for 30 % af det totale energiforbrug. Fokusset er derfor på at designe og bygge en hustype med lavt energi- og varmeforbrug, med integreret vedvarende energi, som for eksempel solceller. Dette speciale er blevet inspireret af to store danske projekter med udvikling og opførelse af lavenergi huse: et projekt med passive huse udviklet for at minimere varme- og energiforbrug ”Komfort Husene” fra 2008 og et aktiv husprojekt ”Bolig for Livet” fra 2007, hvilket er udviklet med fokus på at minimere forbrug og på at være selvforsynende med produktion af varme og energi. Erfaringerne fra disse to projekter har dannet grundlag for udviklingen af en ny version af et aktiv hus. Aktiv hus konceptet og den integreret designmetoden er blevet anvendt til at skabe holistisk designet huse, der tager hensyn til miljøet, energi forbrug og indeklimatiske faktorer. I specialet vil der blive brugt nye og gamle klimatiske designmetoder for at udvikle et forslag til lavenergihuse med et behageligt indeklima for familierne at leve i. Jeg anvender klimatisk designmetoder til at opnå kravene for den danske energi klasse 2020, som fastsætter det maksimale energiforbrug til 20 kWh/m2 pr. år. Jeg har integreret solceller og varmepumper i bygningens tag og ydervæg for at opnå et selvforsynende hus vedrørende produktion af såvel elektricitet som varme. Aktiv hus konceptet fokuserer delvist på at skabe en forbindelse mellem husene og omgivelserne. Rækkehusene er designet med en stærk forbindelse til et designet grønt urbant landskab for at skabe liv mellem husene, og derved tiltrække familier med børn.

Over the last decade in Denmark, there has been an increased focus on designing low energy houses to achieve a more sustainable way of living. The goal of this thesis “The Green village – a proposal for urban living in dense cities” is to present a reinterpretation of the classic terraced house with close connection to the urban landscape in order to develop a more sustainable, denser alternative way of living to the otherwise more popular Danish single family house. This thesis investigates the possibility of creating a new, denser way of living in cities so as to reduce the requirement for cars, thereby reducing carbon dioxide emissions. The distinct qualities of the traditional single family house and the terraced house have been merged together to create a new denser typology which can attract families with children. The chosen location for this project is located in the municipality of Høje Taastrup, located in northeast Zealand, 20 kilometers west of the Danish capital Copenhagen. A survey conducted in Denmark showed that domestic houses are responsible for 30 % of the total energy consumption. Therefore, the focus is on designing and building a house type with a low consumption of energy and heat, containing integrated renewable resources such as solar cells. The thesis is inspired by two large Danish low energy house projects: a passive house project designed to minimize heat and energy consumption, called “Comfort House” from 2008; and an active house project called “Home for Life” from 2007, which was designed to minimize consumption and is self-sufficient in producing energy and heat. The lessons learned from these two projects are being used to develop a new version of an active house. The active house concept and integrated design process method have been used to create a holistically designed dwelling that takes account of environment, energy and indoor climate factors. In this thesis, I will use older and newer climate design methods to develop a proposal for a low energy house with a pleasant indoor climate for Danish families to live in. I use climatic design methods to fulfill the demands for Danish energy class 2020, which stipulates a maximum consumption on 20 kWh/m2 year. I have integrated solar cells and heat pumps in the envelope in order to strive for a house that is self-sufficient in producing both electricity and heat. The active house concept focuses partly on how to create a link between the houses and the surrounding contexts. To attract families with children to live in a denser way to reduce use of cars, the terraced houses are designed with a strong connection to a designed urban green landscape to create life between the buildings.

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