City and metropolitan planning
Topic: - (1) multi-nuclei planning
(2) Urban hierarchy and functional linkage
SANJEEV KUMAR MAHATO, ROLL NO. 
2ND SEM, MURP, [AR2207]
DEPARTMENT OF ARCHITECTURE, NIT, PATNA
The multi-nuclei development in a metropolitan planning is based on the observations that frequently, there are series of nuclei in the pattering of the urban land uses. It is a modal of urban land uses in which a cities grows from one central business district (C.B.D.).
* The number of nuclei and the function each vary one metropolitan area to another. * Each nuclei acts as a growth centre from a particular kind of land use such as industry, retails or high quality housing. * It merge to form a single urban area.
* Central business district is not only the generator of change.
C. harris and Edward ullman (1945) expanded this concept in their article on “The nature of cities” they have observed and studied many planning tools and modals and came to a conclusion that C.B.D. as the major centre of commerce. They suggested that, there should be appropriate specialized cells and area for particular activity. * C.B.D.--- Light manufacturing and whole-saling located along the transport routes. * OUTER EDGE OF CITY --- Heavy industries surrounded by the lower income house-holds. * URBAN PERIPHERY --- Occupy by suburbs and smaller service centres.
MULTIPLE NUCLEI MODAL
* According to modal a city includes more than one centre that activity revolve. * Even distribution of resources, residential areas and transportation costs. * The ecological modal created by harris and ullman in his article (1945). * This modal is suitable for the big and expanding cities. * Certain activity require specialized facility such as ports, railways etc. * Certain activity require to stay apart...
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