[pp.135-144]

A Study on the Problem of Rebuilding viewed from the Characteristics of Blocks and Sites in Planned Detached Housing Are

Sunhwa SHIN and Masanori SAWAKI （Osaka University）

Abstract:
The purpose of this study is to understand the conditions and problems of residential changes in each planned detached housing area by comparing and inspecting physical spatial characteristics of planned detached housing areas in Daegu, Korea. The main results are as follows. 1) Many small scale blocks in regions in the early years of development either showed a high non-folded site ratio and a narrow site ratio at the same time or a high narrow site ratio. Many large scale blocks in regions in later years of development either showed a high non-folded site ratio or a low non-folded site ratio and a narrow site ratio. 2) In addition, various land usage types such as the alley type, positioning of non-folded sites and narrow sites, and a mixture of large scale sites were found to have an impact on the difference in the non-folded site ratio and the narrow site ratio of building sites within blocks. 3) For each spatial characteristic and land usage type, blocks in regions in the early years of development have a high possibility of experiencing problems due to aging of houses, safety issues due to the vacating of existing houses, chaotic changes in the landscape with communization of sites, and changes in existing exterior spaces.

Key Word:
planned detached housing area, rebuilding, block, site, Korea

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