Cable Suspended Precast Concrete Shell Roof For the New San Juan Municipal Coliseum

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Title: Cable Suspended Precast Concrete Shell Roof For the New San Juan Municipal Coliseum

Author(s): Milton R. Martinez, Arturo Costa, and Alex C. Scordelis

Publication: Journal Proceedings

Volume: 70

Issue: 11

Appears on pages(s): 749-756

Keywords: concrete construction; construction; hyperbolic parabolic shells; lightweight concrete; precast concrete; pre. stressing; roofs; shells (structural forms); stadiums; struc-tural analysis; structural design; trusses.

Date: 11/1/1973

Abstract:
The conception, analysis, design and construction of the 314 ft span precast concrete roof of the new San Juan Municipal Coliseum is described. The hyperbolic paraboloid shell roof consists of a large number of 8 ft square prefabricated lightweight concrete slabs supported by a preten-sioned, prestressed cable net, which permitted the roof to be constructed without the use of a shoring system.