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1 / 14 water run-off and existing vegetation

jianshi | 坚石市总体规划

Year | 年份: 2012
Location | 地点: Jianshi, Hubei, China | 中国,湖北,坚石
Status | 状态: concept | 概念方案

Type | 类型: masterplan | 总体规划
Size | 规模: 20 sqkm | 20 平方公里
Client | 业主: jianshi government | 坚石市政府

Team | 团队: Chen Chen (陈忱), Federico Ruberto, Nicola Saladino
2 / 14 slope analysis

This project is the result of a collaboration with the Design and Research Institute of Hunan University. The Institute had been working for several months on the masterplan of Jianshi, a small city located in a mountainous area of the Hubei province. Our task was to analyze and assess the potentials and weaknesses of the existing proposal and provide possible alternatives.

3 / 14 slope analysis: classification

The city is planned to expand from 50.000 to 200.000 inhabitants in the next 10 years, practically occupying the totality of the available flat land that is currently used for agricultural production. As a result of such expansion the economy of the city is also meant to evolve from primary to secondary and tertiary industry, generating an important and potentially violent rupture with its traditional identity.

在接下来的十年里,坚石市人口将由如今的5万增长至20万,若维持现有的城市密度, 城市化将会吞噬掉现有平坦区域上的耕地。随着人口增长,城市经济发展目标也将由第一产业向第二、第三产业转移,坚石市也将不可避免的面临与传统特征割裂的局面。
4 / 14 water run-off and accumulation

Although the infrastructure and the urban fabric are carefully designed, taking into consideration the particular morphology of the terrain, and the functional distribution avoids most of the typical problems related to mono-functional zoning, the original masterplan seems to lack a clear phasing strategy and does not take full advantage of the potentials of the natural context.

5 / 14 landslide control: water run-off and slope analysis

Thus we elaborate a scheme that is in-formed by the materiality of the site, constituting an energetic material assemblage that can build-up a dialogue between the topography, the soil and the hydrology of the site on the one hand and the functionality and quality of the urban space on the other. We propose a system of synergies in which the urban fabric is spatially and symbiotically articulated over the natural environment, actively enhancing its potentials.

6 / 14 soil quality

Within an integrated system of green corridors, the productive landscape then becomes an important element of the public space. Analyzing the quality and productivity of the landscape, we are able to create a sequence of spatial transformations that preserves the most valuable natural elements and allows a smoother transition from the rural to the new urban economy.

7 / 14 water run-off concentration

In terms of design process, we divided our research in two branches, natural and artificial, which are then re-described as a single system of qualities, quantities and performances - i.e. intensities. Through the indexing* of the site we generate maps and diagrams that are the graphic translation of specific systems of relations. * for a deeper understanding of the term and methodology, please refer to the academic section

在设计过程中,我们将研究划分为两大分支:自然系统和人工系统,并最终将这两个系统用统一的参数来归纳和描述:质量,数量,功能,强度。通过对地段的参数化分析 若要深入了解,请参见 学术部分首页 section
8 / 14 soil productivity evaluation

We generate maps and diagrams that are the graphic translation of specific systems of relations.
The quantity and qualities extracted from the analysis of different layers are then dissected and recombined to produce a more comprehensive and holistic knowledge of the territory.

9 / 14 existing conditions: built fabric

The soil productivity is evaluated through the combination of: slope analysis, accessibility and developable areas; water run-off, possible water collection systems and potential hazards; soil quality and solar radiation levels.

10 / 14 proposed road network: slope evaluation

The configuration of the green corridors is then mediated by the existing vegetation, the main infrastructure and a logic of spatial sequences related to the public space. Finally the road network is punctually redesigned in order to generate loops that allow an easier implementation of the public transportation system.

11 / 14 water run-off + existing vegetation + soil productivity
12 / 14 proposed green corridors
13 / 14 green corridors: public and productive green
14 / 14 modified masterplan with areas for potential future expansion