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Building Construction Materials and Techniques by P.Purushothama Raj

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21

STAIRS AND ELEVATORS

21.1 INTRODUCTION

A stair is a sequence of arrangement of steps which is provided as a means of easy ascent and decent between the floors or landings.

Stairs are of different types which are designed and used based on the location and usage. Stairs are provided in almost all types of buildings starting from residential building to multi-storeyed buildings.

Different materials are used for the construction of stairs, viz., stone, wood, brick, metal and concrete (both plain and reinforced).

In order to have a comfortable climb and descend, proper design has to be stipulated as regards to size of stairs, slope, landing space, etc.

Other modes of transportation between floors are lifts, ramps and moving stairs.

In this chapter, ...

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