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Lightweight Structures - MIT Architecture

Lightweight Structures J rg Schlaich and Mike Schlaich Schlaich Bergermann und Partner, Consulting Engineers, Stuttgart and Berlin, Germany INTRODUCTION Any structure designed intelligently and responsibly aspires to be as light as possible . Its function is to support live loads . The dead loads of the structure itself are a necessary evil. The smaller the ratio between a structure s dead load and the supported live loads, the lighter the structure . We realize immediately that a suspension bridge with tensioned cables is obviously lighter than a truss bridge with welded bars which in turn is lighter than a box girder bridge made of concrete.

materials and the overall „external costs“ are not even added, lightweight structures will be more expensive than bulky structures with the same function. The cultural point of view: Lightweight structures, built responsibly and disciplined, may contribute heavily to an enriched architecture.

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