The Art of the Structural Engineer
Bill Addis
Artemis London Limited
Reviewed by Lester Korzilius
Aproximately 500 words
Published in Oculus, November 1995
This British book is a study of the collaboration between the architect
and structural engineer. The book mainly uses British projects, and includes
the work of British architects such as Foster, Rogers, Hopkins, Grimshaw,
Arup Associates, and British engineers such as Ove Arup & Partners
(OAP), Anthony Hunt, Peter Rice, and Buro Happold. Many projects shown
are breathtaking examples of integrated architecture and engineering. However,
this book is valuable for two other reasons. First, it shows how creative
professionals can use a changing technological and manufacturing base to
produce works that would have been unthinkable twenty years ago. Second,
and more important, it emphasizes the importance of process in this type
of architecture.
The book shows how the computer is radically changing the design and
construction methods of buildings. From the architectural design standpoint,
the computer allows the definition of complex geometries with greater ease
than would be available by manual means. Illustrated projects include tensioned
fabric structures by the Buro Happold with double curved anticlastic geometries
and the Waterloo train station terminus by Nicholas Grimshaw, with Anthony
Hunt, deploying a complex curved truss system, using only a minimum of
different components. The use of computer controlled machine tools is also
radically changing what is achievable within a project's cost constraints.
Fabricators can manufacture complex unique components for a fraction of
the cost of manual production. For example, the Montreuil Sports Stadium
outside Paris has curved steel box girders, with a varying cross sectional
area, made up of four uniquely curved faces. The contractor constructed
these of welded steel plates cut using computer controlled cutting tools.
The cable stayed granite arches of the Pavilion of the Future by MBM and
Peter Rice / OAP required precisely cut granite pieces with a tolerance
of 1 mm. The masons achieved this with computer controlled machine tools.
More important than individual projects is the element of process. Upon
careful observation, one observes that the architectural and structural
solutions employed are the result of considerable exchange and interaction
between the architect and structural engineer that extended through the
duration of the project's design. Compare this with many other buildings,
where a form is imposed a priori by the architect, and the engineer struggles
to make it work, no matter the structural difficulties. The communications
tower in Barcelona by Foster Associates with OAP is a refined and elegant
design that would not have been possible by either party working in isolation.
The roof of the Chur bus station in Switzerland, by Brosi/Obrist with Peter
Rice is a delicious minimalist glass and steel roof that is exquisitely
detailed both architecturally and structurally.
The book concludes with a case study of the design process of the Commerzbank
in Frankfurt, designed by Foster Associates with OAP. This is particularly
insightful as it describes the very wide range of options that the architect
and engineer evaluated during the design process. The apparent simplicity
of the finished building belies the level of thought brought to all parts
of this project.
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