Town planning PPT
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Town planning is considered as an art of shaping and guiding the physical growth of the town creating building and environments to meet the various needs such as social, cultural, economic and recreational etc. and to provide healthy condition for both rich and poor to live, to work, and to play or relax.
According to town planning the main objectives may be summarized in three
Principles of town planning
Housing accommodation to various classes of people should be allowed to develop. If slums are exists should be pulled down to making some alternate arrangement of accommodation in transit camps for dishoused person.
Civic amenities like shopping center, dispensaries, nursery etc should be provide to all the resident.
Public semi public building should be grouped and distributed neatly throughout the town.
The system of zoning should be strictly followed. Zones such as residential zone, industrial zone, commercial zones etc.
Necessity of town planning
The people will have to take long uncomfortable journey from place of residence to the place of work as such there is waste of time, money, energy
Lack of public amenities such as water supply, drainage, sanitation etc..
Increased industrial population has given rise to the formation of slums
Insufficient open space, parks, play ground have caused unhealthy conditions of living
Noisy traffic has almost disturbed the peace of city people
It connects the town to a state high way or national high way.
They pass through the city limits and carry a large amount of traffic.
There are meant solely for fast moving traffic and there for should be planned as straight as possible, avoiding sharp curves. Change in direction should be accompanied by smooth curves.
The width of road should not less than 25m-30m
When two roads cross each other at different grades they can be separated by allowing one to pass over or under the other by means of bridge or fly-over .
when the two roads are interconnected by link roads to help the traffic to pass through one intersecting road to the other, such grade separator are called interchanges.
Clover leaf crossing
It is an improved type of diamond crossing. it comes under four leg interchange it requires large area of land, and it is costly. But it is most effective means of traffic control, the best suited for intersections carrying equal amount of traffic in all direction, with little turning to left or right. The two through traffic roads are separated by fly over or bridge the through roads are interconnected by link roads with larger radii and ring road with small radii to provide simplest traffic maneuvers.