210 



REPORT 1867. 



TRAl^'SVEESE STEAITr. 



Exp. XLV.— Bar of Steel from Messrs. Turton & Sons, Sheffield. Dimen- 

 sion of bar 1*022 inch square. Length between supports 4 feet 

 6 inches. Mark on bar, " U." 



Here the weight 

 spending deflection 



By formula (6) .- 

 and section (DJ = 



By formula (7) 

 = 29,710,000. 



By formula (2).- 

 prcssure = 31,2.32, 



By formula (8).- 

 ~ 33-277. 



By formula (9) .- 



By formula (12). 



Results of Eivp. XLV. 



(yi) at the limit of elasticity is 810 lbs., and the corre- 

 {l) is -986. 



-The mean value of the deflection for unity of pressure 

 -001325. 

 — The mean value of the modulus of elasticity (E) 



The modulus of elasticity (E) corresponding to 112 lbs. 

 000. 

 -Work of deflection (U) up to the limit of elasticity 



-Work of deflection (ii) for unity of section = 31-859. 

 —Value of C, the unit of working strength = 4-561 tons. 



