Created on : December 2011 CASE STUDY CASE STUDY 10 Renovation of Hall of Industry, Pragati Maidan For organising International Trade Fairs several Halls of Industries were constructed at Pragati Maidan, New Delhi, in the last fifties. The main structure of the Halls of Industry are basically space frame structure with rhomboidal members connected to precast joints are situated in seven levels in all. The number of members connected to a particular joint varies from 5 to 9. The maximum number of members in one plane is six. To give architectural effect some of the triangular panels formed by the members have gunited plates of 50mm thickness, and these plates provide the separating medium between the inside of the hall and the outside. With the passage of time, inadequate cover of con

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