KMS Institute of Mountain Hazards and Environment,CAS
|Alternative Title||Discussion on Urban Expansion Direction of Chengdu|
|Editor||刘淑珍，李钟武主编 ; 中国城市地貌研究筹备组编著|
|Keyword||城市空间 城市生态系统 城市地貌 成都市 四川|
Chengdu, located in southest China, is an important city with ancient civilixation. The urban expansion direction is eager to delimit. Because the west, north and south of Chengdu all are plain, which exist an amount of fermaland. According to statistics, the farmland area reduces 2.713×104ha during 1957-1987 and per capita farmland area reduced from 0.1ha (in 1949) to 0.5ha so that the agricultural development is limited. Therefore, based on the data of investigation and analysis, the expansion direction of Chengdu should be in the platform-hill area of east Chengdu. The favourable conditions are as follows:
1. It will be favourable to protect the fertile farmlands in the west, north and south of Chengdu, and to the agricultural developmen, so as to ensure urban supplies.
2. It will be suitable to vally-plain geomorphologic structure between plantflorm and hill and the stereoscopic vertical distribution of urban construction. This will form structure with a distinguishing.
3. Most of the basic materials of platform-hill area are of high strenth and bearing capacity. It will be suitable to construction of high and great buildings, as well as underground projects.
4. The major railways, highways and freeway in construction all run through the platform-hill area in east Chengdu. It has good transport facitites and will be favourable to the development of Chengdu.
5. The platform-hill area in east Chengdu is high, and will be easy to let waster and waste gas out so as to protect the urban environment.
6. The landform of east Chengdu is high. It may avert the flood and waterlogging disasters, problems in the expansion planning. The Zipingpu Reservoir in construction may be used to increase water supply for new city through the Dujiangyan canal. The basismaterials (clay disease) may be resoled through some engineering measures in construction.
|刘淑珍,柴宗新. 成都市城市扩展方向的探讨. 中国城市地貌研究. 成都:成都地图出版社,1992:56-60.|
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