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Civil-Comp Proceedings
ISSN 1759-3433 CCP: 48
INNOVATION IN CIVIL AND STRUCTURAL ENGINEERING Edited by: B.H.V. Topping and M.B. Leeming
Paper I.2
On the Shoulders of Giants F.E. Griggs
Clough, Harbour &Associates LLP, Albany, United States of America F.E. Griggs, "On the Shoulders of Giants", in B.H.V. Topping, M.B. Leeming, (Editors), "Innovation in Civil and Structural Engineering", Civil-Comp Press, Edinburgh, UK, pp 9-19, 1997. doi:10.4203/ccp.48.1.2
Abstract
This paper, while applauding the work of my peers
and their Innovations in Structural Engineering, will take a
look back into time and describe innovations which have
taken place over the past two millennium. Each one would
be considered an innovation in its time and each has become
a part of our everyday understanding of mechanics and
structural engineering. I will demonstrate that most of these
innovations were not sudden bursts of genius or insight, but
rather the result of many men laboring over extended periods
of time advancing an idea until such experience, experiment
and mathematics combined to produce the result. It is the
author's observation. that in all fields of scientific and
engineering practice, the most recent generation pays little
attention to the work done in previous generations. In this
era of rapid technological advances it is very easy to forget
the contributions made by our predecessors. Sir Isaac
Newton, when asked how he had accomplished so much in
his lifetime, answered - "If I have seen further it is by
standing on the shoulders of giants." If the great Newton
was aware of, and appreciative of. the work done by those
who preceded him it is only appropriate that we, the present
generation, be aware of those who founded the field of
structural engineering. I have found in my writing and
speaking that the current generation of college students is
amazed by what early engineers accomplished without
modern materials, equipment and computer assistance.
Since time is short and the length of this paper limited I will
remind the audience and reader of only four historic
analytical innovations: Charles A. Coulomb's development
of the flexure equation. Prof. Cordon's (Rankine's)
development of the column equation. Squire Whipple's
development of the method of joints and graphical statics to
solve for the forces In a truss. and Hardy Cross's moment
distribution method.
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