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Discovery by David Brewster, about 1815, of artificial double refraction produced in glass when loaded, led to discovery that stresses in arches could be determined by aid of glass models; Mesnager in 1913 constructed glass model of reinforced-concrete bridge over Rhone, of 95 m. span, to check calculations of designers; noteworthy feature was use of Babinet compensator to measure artificial double refraction produced in stressed members; drawings of indications of Babinet compensator are given confirming stresses measured.
Discovery by David Brewster, about 1815, of artificial double refraction produced in glass when loaded, led to discovery that stresses in arches could be determined by aid of glass models; Mesnager in 1913 constructed glass model of reinforced-concrete bridge over Rhone, of 95 m. span, to check calculations of designers; noteworthy feature was use of Babinet compensator to measure artificial double refraction produced in stressed members; drawings of indications of Babinet compensator are given confirming stresses measured.
Bridge stresses
Engineering
Coker, E.G. (author)
Engineering ; 125
1928
3 Figs.
Article (Journal)
English
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