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Paper Information

Journal:   HOVIATESHAHR   SPRING 2015 , Volume 9 , Number 21; Page(s) 19 To 28.
 
Paper: 

A MORPHOLOGICAL APPROACH IN STUDYING THE DEPRIVED AREAS IN THE URBAN SPATIAL STRUCTURE (CASE STUDY: TEHRAN)

 
 
Author(s):  RISMANCHIAN OMID*, BELL SIMON
 
* UNIVERSITY OF EDINBURGH
 
Abstract: 

Throughout the urban development process over the last seven decades in Tehran, the capital city of Iran, many self-generated neighbourhoods have developed in which the majority of the residents are low-income families. On one hand, the main spatial attribute of these deprived neighbourhoods is spatial isolation from the surrounding, more affluent areas, which is accompanied by inadequate urban infrastructure and a lack of accessibility and permeability. On the other hand, the Tehran City Revitalisation Organisation - the governmental sector which is in charge of the deprived areas - is incapable of conducting urban regenerations without investment from the private sector, and is seeking methods to create 'socio-economic stimulant zones' to attract private sector participation in regeneration programmes.
In this regard, this research investigates the notion of 'spatial isolation' which in return causes socio-economic isolation as highlighted in the literature. The research suggests that in order to develop feasible regeneration programmes, which can meet the interest of both people and government, and release the deprived area from isolation both spatially and socio-economically, the regeneration plans should focus on public open space developments as 'socio-economic stimulant zones'. With regard to this idea, the research highlights the street as a 'social arena' - not arteries or thoroughfares - as the type of public open space in which its development could not only release the deprived areas from spatial isolation, but could also direct more pedestrian movement to and through the deprived neighbourhoods, making more opportunities for the creation of socio-economic interactions. This paper challenges the notion of isolation and lack of accessibility since there is not enough rigorous evidence in this regard in the literature. This paper studies the deprived areas from a morphological point of view in investing the condition of the deprived areas in the spatial structure of the city of Tehran. In this regard, the theory of natural movement and spaces syntax is applied for the city of Tehran. The integration of the deprived area across the city is studied at both local and global scale. Moreover, the intelligibility of these areas is shown at the district scale for 21 districts of the city of Tehran.
The first result of this research is delivering high resolution axial maps as rigorous evidences which reveal interesting aspects of the spatial structure of the city. The outcome of this research highlights that the deprived areas are located at the edge of the most. integrated streets of the city and are highlight accessible at the global scale. However, these areas suffer from spatial isolation due to their complex inner-structure which reduces the integration of the area at the local scale. The results also show that by identifying the underlying spatial pattern of the urban fabric, it is possible to release the deprived areas from its spatial isolation through developing a street network without causing urban fragmentation. This approach could also form a cost-effective basis for developing a pedestrian friendly street network as one of the 'socio-economic stimulant zones'.

 
Keyword(s): SPACE SYNTAX, INTEGRATION, AXIAL MAP, INTELLIGIBILITY, GIS
 
References: 
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