By A. W. Hendry
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Additional info for Elements of Experimental Stress Analysis. Structures and Solid Body Mechanics Division
SWAINGER, Electrical resistance wire strain gauges to measure large strains, Nature, 159, 61 (Jan. 1947). 6. C. H. GIBBONS, The use of the resistance wire strain gauge in stress determination, Proc. Soc. Exp. Stress Anal, 1 (1), 41-45 (1943). 7. H. J. GROVER, The use of electric strain gauges to measure repeated stresses, Proc. Soc. Exp. Stress Anal, 1 (1), 110-115 (1943). 8. H. C. ROBERTS, Electric gauging methods: Their selection and application, Proc. Soc. Exp. Stress Anal, 2 (2), 95-105 (1944).
Simple inductance gauge circuit. 54 ELEMENTS OF EXPERIMENTAL STRESS ANALYSIS change in the position of the armature (or the core in the case of a variable core instrument), may be small compared with the total current passing and thus only a small part of the ammeter scale is usefully employed. It is, therefore better to use a bridge circuit or an arrangement of inductances which limits the measured signal to the change produced by the effect being observed. The basic form of bridge circuit consists of four inductances arranged as in Fig.
A. C. RUGE and E. O. SCHMIDT, Mechanical structural analysis by the moment indicator, Proc. Am. Soc. Civil Eng. (1938). 3. T. R. CUYKENDALL and G. WINTER, Characteristics of the Huggen- berger strain gage, Civ. Eng. (New York), 10 (7), (1940). 4. J. M. HAWKES and H. FEALDMAN, The measurement of stresses in framed structures, Civ. Eng. and Pub. Whs. , 47 (1952); 48, 75-7, 166-8, 261-3 (1953). 5. R. A. , Conf. on the Correlation between Calculated and Observed Stresses in Structures, pp. 44-53. Inst.