The Structural Engineer > Archive > Volume 50 (1972) > Issues > Issue 9 > Discussion Structural Design of Roofs over the Sports Arenas for the 1972 Olympic Games: Some Proble
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Discussion Structural Design of Roofs over the Sports Arenas for the 1972 Olympic Games: Some Problems of Prestressed Cable Net Structures by Professor Dr. Ing. Fritz Leonhardt and Dr. Ing. J. Schlaich

Mr. Victor L. Gill (F): I would like to express my great admiration for the sheer magnitude of the work which Professor Leonhardt and Dr. Schlaich have undertaken and also the meticulous attention to detail and the engineering skill with which it has been accomplished. Briefly, there are one or two small points which I would like to make. First of all, what account has been taken of creep and relaxation in the cables? The emphasis on dimensional accuracy makes me wonder whether this may pose a problem. This is also coupled with the stress limits in the cables, but perhaps you would be good enough to comment on that point.