A 20-mm-diameter steel [E = 194 GPa; a = 11.6 x 10-6/°C] bolt is used to connect two rigid parts of an assembly, as shown in the figure.The bolt length is a = 160 mm. The nut is hand-tightened until it is just snug (meaning that there is no slack in the assembly, but there isno axial force in the bolt) at a temperature of T- 42°C. When the temperature drops to T--5°C, determine(a) the clamping force that the bolt exerts on the rigid parts (positive if in tension and negative if in compression).(b) the normal stress in the bolt (positive if in tension and negative if in compression).(c) the normal strain in the bolt (positive if it stretches and negative if it shrinks).Answers:(a) F=kN(b) Obolt"iMPа(c) Ebolt=imm/mm

Answered: Image /qna-images/answer/17fe9c81-a400-4a04-a649-5fe664a074dc.jpg

Answered: A 20-mm-diameter steel [E = 194 GPa; a…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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a uniform bar 1 is connected to a tapered rod 2. both are subjected to axial loads as shown. if P=7 kN, determine the axial deformation of tapered rod 2 (in mm). indicate negative sign if compression
The axial assembly consists of a solid 1.13-in-diameter aluminum alloy [E = 8300 ksi, v = 0.27,a = 11.1 x 10-6/°F] rod (1) and a solid 1.59-in-diameter bronze [E = 15100 ksi, v = 0.16, a = 8.7x 10-6/°F] rod (2). Assume L1=17 in., L2=27 in. If the supports at A and C are rigid and the assembly is stress free at 14°F, determine: (a) the normal stresses o1,02 in both rods at 176°F (positive if tensile, negative if compressive). (b) the displacernent ug of flange B (positive if to the right, negative to the left). (c) the change in diameter Ad, of the aluminum rod. B (1) (2) L1 L2 Answers: (a) oj = i 23.253 ksi, o2 = i 11.745 ksi (b) ug = -0.017055 in. (c) Adj = in. 0.0020319
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The picture below Consist a brass ( EB = 100 Gla and AB and a Aluminum [ EA₁ = 73GPa | AA! each red exists a non- deformable rigid plate. The rods are stress free at 25°C. If the coefficient of thermal expansion for staat is taken 13.106 [m/m°c ] of a steel (E₂ -200CHPA and As = 1500mm ² = 2000 mind) JAT aluminiscent 2 = 1500 mm ² ) kod between at ds and temperature increased to up re increased to 350°C. A steel Find reactionary forces at A_ and _D_Considering RA = RA₁ and Rp = - Rp₁" ? Also find the deflection of plate B. 1.5 m a 18 = 19,10`6 [m/m="c] α = 24,10 € AL B Brass Im t D Aluminum 1.5m [m/m="c} Fant Fall f
Rigid bar ABCD is supported by a pin connection at A and by two axial bars (1) and (2). Bar (1) is a 32-in.-long bronze [E = 13700 ksi] bar with a cross-sectional area of 1.29 in.2. Bar (2) is a 48-in.-long aluminum alloy [E = 10300 ksi] bar with a cross-sectional area of 2.19 in.2. Assume L1=32 in., L2=48 in., a=25 in., b=57 in., and c=15 in. Both bars are unstressed before the load P is applied. If a concentrated load of P = 26 kips is applied to the rigid bar at D, determine:(a) the normal stresses σ1, σ2 in bars (1) and (2).(b) the downward deflection vD of point D on the rigid bar.
The axial assembly consists of a solid 1.01-in-diameter aluminum alloy [E = 8900 ksi, v = 0.33,a = 12.4x 10-6/°F] rod (1) and a solid 1.63-in-diameter bronze [E = 15400 ksi, v= 0.17, a = 7.3x 10-6/°F] rod (2). Assume L,=15 in., L2=29 in. If the supports at A and Care rigid and the assembly is stress free at 6°F, determine: (a) the normal stresses o1,02 in both rods at 167°F (positive if tensile, negative if compressive). (b) the displacement ug of flange B (positive if to the right, negative to the left). (c) the change in diameter Ad, of the aluminum rod. B (1) L1 L2 Answers: (a) o = ksi, o2 = ksi (b) ug = in. (c) Adi i in.
I need answers plss
CLO 1: For concentric rows of bolts in a coupling connection, the shear deformations in the bolts is proportional to the: O modulus of rigidity O diameter of bolt circle O radial distances O number of bolts

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