Some Applications of Theory to the Practice of Construction

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1872 edition. Excerpt: ...Dj recur in a certain order over and over again, and by writing down these recurring series, adding D2 to the previous value of Dlt the new value of Dj is obtained, which in turn added to the compression on the last calculated bar gives the compression on the next bar. Thus, to determine the compression on bar 12 from the above; the value of D9 next recurring is 0, and the next value of D, is therefore 9-1916 tons, which added to the compression on bar 11 gives 51-9678 tons, which agrees with that previously found. This may be checked by resolving this compression vertically and horizontally; the vertical component will, if correct, be the reaction at the pier due to the loads at the apices of this set of triangles. The correctness of the calculation for bar 9 may be checked thus, Maximum tension =-1178 (--2 + 8 + 0+4+2) +-5303 (-3-1 + 7 + 5 + 3 + 1) + 10600 (-3-1) = 1178 ( + 18) +-5303 ( + 12) + 1-0606 (-4)= +42416 tons, which agrees with that given above, and shows that bar 9 is always a compression bar. The result of the whole is as follows: Maximum stress on bar 1 (and also on /)/) =--60'80 tons 2( EF) =-50-55 . 3 ( Ae) =--41-35 4( OD) =-32-17 5( lc) =-24-04 6( AB) =--15-90 and+ 8-18 tons 7( ia)=-8-88 and + 1025 8( Kl)=--1-70 and + 17-32 9 ( )= +25-46 10 ( ML)= +33-58, 11 ( ., )= +42-77 12 ( HN)= +51-96 The...show more

Product details

• Paperback
• 189 x 246 x 6mm | 204g
• United States
• English
• black & white illustrations
• 1236814800
• 9781236814807