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Thesis and Dissertation
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Research Section | Available | MP/01-02 |
ABSTRACT
Modern tendency is towards the construction of tall bui ldings because of nigh cost of land and increase in population day-by-day. The major problem in high rise buildings is of lateral loads due to wind or earthquake jolts. Effect of lateral loads becomes more pronounced witl1 the increase in the height of bui lding so coupli ng slabs are being constructed. Almost all the design codes recommend certain procedures to calculate the equivalent static force on the tall bui lding for which it is analysed and designed . However, there is little experimental evidence about the behaviour of such buildings subjected to various types of lateral loading. These build ings are more commonly analysed by continuous connection (laminne) method, nccuracy of which has to be verified through experiments.
Therefore an experimental study has been carried out to check the validity of such procedures. Five RCC models having two In-plane shear walls connected by five beams representing five storey levels were cast and tested. The models I & II were reinforced with 3mm dia steel wires and tested by applying lateral point load at the top of model and lateral uniformly distributed load throughout the height of the model respectively. The models III, IV and V were reinforced with 10 mm dia steel bars and tested by lateral point load at the top of model, lateral uniformly distributed load and lateral triangular distributed load respectively. The ultimate lateral loads were measured. Integi'al shear force, shear force of connecting beams and bend ing moment of connecting beams were calculated by using Rosman method, Simplified theory method
and Coull & Irwin method. Finally stress distributed in connecti ng beams were
calculiited. The area of interest is the connection I joi nt between the walls and beams. TJierefore strain at these locations were measured and stress distributed in connecting beams at each floor level were compared with the theoretica l calculated values by
Rosman method, Simplified theory method and Coull & Irwin method. The ratio
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