. The strength of materials; a text-book for engineers and architects. 36 tons. 238 THE STRENGTH OF IMATERIALS Show by a sketch the actual distribution of the stress across thesection. { Loud.) In this case the direct stress = -. = „—, =4-5 tons per A 8 X 1 1 M The is equal to T x x, and the second moment is equal to1_)^ 83 _ 12812 3 ,, _ I _ 128 1 _ 16••^~A~ 3 ^8~3 = 4-5(l+^x4xfg) 3 = 4*5 X 1 , ,^ = 5*344 tons jjer sq. in. T /xd, -Mm- 13= — 45 X 1 /- = ~ 36o6 tons per sq. in. The distribution of the stress is then as shown in Fig. 117. (2) A hollow circular column has a proje
. The strength of materials; a text-book for engineers and architects. 36 tons. 238 THE STRENGTH OF IMATERIALS Show by a sketch the actual distribution of the stress across thesection. { Loud.) In this case the direct stress = -. = „—, =4-5 tons per A 8 X 1 1 M The is equal to T x x, and the second moment is equal to1_)^ 83 _ 12812 3 ,, _ I _ 128 1 _ 16••^~A~ 3 ^8~3 = 4-5(l+^x4xfg) 3 = 4*5 X 1 , ,^ = 5*344 tons jjer sq. in. T /xd, -Mm- 13= — 45 X 1 /- = ~ 36o6 tons per sq. in. The distribution of the stress is then as shown in Fig. 117. (2) A hollow circular column has a projecting bracket on whicha load of 1 ton rests. The centre of this load is 2 feet from thecentre of the column. External diameter of column is 10 inches,and thickness 1 inch. What is the maximum compressionstress? [) In this case A - ^ (10=^ - 8^) = 28*28 I = J^ (10* - 8*) = 289-8 in. units64 ,., 2898 1/i o-• • ^^ = 28-28 = ^^^ ^^ . / _ Q /^i , ^ ^• 1 / 24 X 5 + 28-28 V 10-25 STRESSES IN BEAMS 239 9 -L 56Tons. ^ ,4 3-6561 ® B 5-344- i 56 Tons. ?^^^^©
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