. The strength and stiffness of steel under bi-axial loading. nly a small portion cf the material is carried to the yield-point stress. The experiments are more successful when as muchof the specimen as possible is uniformly stressed, and the beatcondition is that wherein the entire specimen is uniformly stress-ed. This is true both on account of the yield-point effect andon account of the smallness of the strains to be measured. Theuse of tubes of reasonably large diameter seems the best methodfor investigating bi-axial stress. 3. Cross bending Tests. The description of the experimental work
. The strength and stiffness of steel under bi-axial loading. nly a small portion cf the material is carried to the yield-point stress. The experiments are more successful when as muchof the specimen as possible is uniformly stressed, and the beatcondition is that wherein the entire specimen is uniformly stress-ed. This is true both on account of the yield-point effect andon account of the smallness of the strains to be measured. Theuse of tubes of reasonably large diameter seems the best methodfor investigating bi-axial stress. 3. Cross bending Tests. The description of the experimental work done incrossbending and the tables of the date are given for tworeasons, first to make a record of the work done, and secondly,should any one later on wish to irvestigate the subject—or thisdata in particular—it will be available. Specimens for the cross bending tests were preparedfrom one-fourth inch soft steel plate of the shape and dimensionsshown in Figures 8 and 10. Two pieces were tested and stripsfrom the portions cut away were tested in 45 Series
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Keywords: ., bookcentury1900, bookdecade1910, booksubjecttheses, bookyear1915
