Tham khảo tài liệu 'mechanics of materials - problems - solution manual part 17', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | PROBLEM A 32-kN vertical load p is applied at the midpoint of one edge of the square cross section of die aluminum compression member AB that is free at its top A and fixed at its base B. Knowing that the alloy used is 6061-T6 use the allowable-stress method to determine the smallest allowable dimension d. SOLUTION I - 2 te 7 HỂO 3 Via PROBLEM Le IL - A Pea I p 4 PiUW r cP Assume L r cc 8 T 20 Jis lo 8 H p Pec 2 3SÌ IO ỈÒ3 Vn ỐỔ A 32-kN vertical toad p is applied at the midpoint of one edge of the square cross section of the aluminum compression member AB that is free at its top A and fixed at its base B. Knowing that the alloy used is 6061-T6 use the allowable-stress method to determine the smallest allowable dimension d. Solve Prob. assuming that the vertical load p is applied at a comer of the square cross section of the compression member AB. SOLUTION e - Cj 2 d A Ij Ix Asso e l. p - g r TP JV r ẵ ỉ LỈ I Z Z-e d1 _ 6 a -V ES g r B y 35 o d St. 5 OZO tt PROBLEM 18 mm 1x1 ị steei A compression member made of steel has a 720-mm effective length and must support the 198-kN load p as shown. For the material used ƠỊ 250 MPa and E - 200 GPa. Using the interaction method with an allowable bending stress equal to 150 MPa determine the smallest dimension d of the cross section that can be used. SOLUTION Usi rtd Ẳì AA g tẠ 31 on ivn A 4o X IO a d - 72 o KA V1 - jL 4o o- y al 5. 3 33 lò 4 d V 7 -00 Ic - đ3 1 - 3. 3333 x o - o_ Ô20 I A 1Q 1 IS 4 n - IS 0 c Ẽ 2ôoocc MP 3 - 25o MP 2nzf2ooooo 250 iZ5j s r Ass d 40- 4OX 0 i o Xr-úv. - JEx I ĩĩx 5. 3333 x o ci . t U f o ố r V A V a 7 X Cc 1-a r - . - 7 iy H .3 MPa. 50 MPa _ - I xlo __ . l x O 3X a al y _ J Mo icr JXl oc 3. 33 3 o- s Ắ3 I50 0 m. 4 Io-3 . 3 r60o X Q-3 _ . a J - J2 - 1. g w o 3 J - - O 3 o J ị 41. H ÍÔ3 -J M 3 h X 1 o 1 K 4o ơ s M d H1ÍXỊ .
