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The relation between block size and building shape


  • Masahiro Taima
  • Yasushi Asami
  • Kimihiro Hino


Block restructuring has been strongly emphasized in Japan for renovating cities. However, little is known about the relation between block size and building shape. Moreover, the shape of buildings designed on a block after restructuring is unclear. In this study, the relation between block size and building shape is analyzed quantitatively, and a three-dimensional building shape is estimated by a model using an urban planning GIS data set of Tokyo. Results show the quantitative relation between block size and building shape, and the building shape image on the blocks. Higher buildings and buildings with a basement tend to be built in larger blocks, leading to efficient use of the maximum volume permitted in the block. In addition, the region composed by larger blocks can be spacious, because the range of building setback will be long in larger blocks. Designation of a high floor area ratio may induce integration and enlargement of blocks. Blocks are less likely to be partitioned in zones when a high floor area ratio is designated.

Suggested Citation

  • Masahiro Taima & Yasushi Asami & Kimihiro Hino, 2019. "The relation between block size and building shape," Environment and Planning B, , vol. 46(1), pages 103-121, January.
  • Handle: RePEc:sae:envirb:v:46:y:2019:i:1:p:103-121

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    Block; estimation; floor area ratio; GIS;


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