The lower ends of the three bars shown are at the same level before the uniform rigid block weighing 32 kips is attached. Each steel bar has a length of 5 ft, and area of 1.6 in.2, and E = 30 x 106 psi. For the bronze bar, the area is 1.2 in.? and E 13 x 106 psi. Determine the length (in feet) of the bronze bar so that the load on each steel bar is twice the load on the bronze bar.
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- H.W4: a- A copper bar is 900 mm long and circular in section. It consists of 200 mm long bar of 40 mm diameter, 500 mm long bar of 15 mm diameter and 200 mm long bar of 30 mm diameter. If the bar is subjected to a tensile load of 60 kN, find the total extension of the bar. Take E for the bar material as 100 GPa. b- A stepped bar ABCD consists of three parts AB, BC and CD such that AB is 300 mm long and 20 mm diameter, BC is 400 mm long and 30 mm diameter and CD is 200 mm long and 40 mm diameter. It was observed that the stepped bar undergoes a deformation of 0.42 mm, when it was subjected to a compressive load P. Find the value of P, if E = 200 GPa.TENSION MEMBERS: THE SINGLE 200 X 10 mm STEEL PLATE IS CONNECTED TO A 12 mm THICK STEEL PLATE BY FOUR 16 mm DIAMETER RIVETS AS SHOWN IN THE FIGURE. THE RIVETS USED ARE A502 GRADE 2, HOT DRIVEN RIVETS. THE STEEL IS ASTM A36 WITH Fy = 248 MPa AND Fu = 400 MPa. DETERMINE THE VALUE OF P. a. P BASED ON TENSION OF GROSS AREA b. P BASED ON TENSION OF NET AREA c. P BASED ON BEARING OF PROJECTED AREA d. P BASED ON SHEAR RUPTURE (BLOCK SHEAR)Determine the stress and total load on each stringers if the web is negligible. Estainless steel = 28000 ksi, Esteel = 29000 ksi, EMagnesium = 6500 ksi, EAlum. Ally = 10500 ksi 6" Steel 10 .10 a Stainless Steel My = 5000"# 10" Mx = 10000"# Magnesium .1 Alloy Area of Each 10 Alum. Alloy Stringer = 1 sq. in. 4"
- A steel bar 50 mm in diameter and 2 m long is surrounded by a shell of a castiron 5 mm thick. Compute the load that will compress the combined bar a totalof 0.8 mm in the length of 2 m. For steel, E = 200 GPa, and for cast iron, E = 100GPa. Note provide a diagram/figure. -Draw and label the diagram correctly, No diagram in the solution will be marked wrong. -Shortcut solution will be marked wrong.- Direction of the assumption of the equilibrium equation must be shown, no direction will be marked wrong.12. Refer to figure 6. The 20-mm-diameter bolt fastens two wooden planks together. The nut is tightened until the tensile stress in the bolt is 150 MPa. Find the smallest safe diameter d of the washers if the working bearing stress for wood is 13 MPa. = 20 mm a. 70.8 mm b. 75.2 mm c. 86.3 mm d. 80.5 mm e. none of the above FIGURE 6The two wooden boards shown in the figure are connected by a 0.5 in. diameter bolt. Washers are installed under the head of the bolt and under the nut. The washer dimensions are D 2 in. and d 5/8 in. The nut is tightened to cause a tensile stress of 9,000 psi in the bolt. Determine the bearing stress MPa between the washer and the wood
- Compute for the linear weight of 10 mm reinforcing bar. (Use the unit weight of the Steel). o 0.692 kg/m o 0.811 kg/m o 0.888 kg/m o 0.617 kg/mH.W A Solid Steel bar of dlameter 6omm and length 350 mm is Placed inside an aluminum cylinder öf Inside diameter Femm and out side d lameter Ilomm, a comPressive load of looo lais applied on the assembly, find the stresses in the bar and the cylinder ? take Est = 200GPa and EAl = F0GPan %3D Cover Plate 0.25mm d- do 35omm A lum. cylinder Steel barY Suppose that P = 250 lb. (Figure 1) Figure T T301-381-38- W 481 46 Part C FBC = Part D Submit Request Answer FBD= Part E FCD= Submit Part F FCE= Submit Determine the force in member of the truss. Express your answer in pounds to three significant figures. Enter negative value in the case of compres the case of tension. Part G FDE= Part H - ΑΣΦ It vec Determine the force in member BD of the truss. Express your answer in pounds to three significant figures. Enter negative value in the case of compressi the case of tension. FDF= 17 ΑΣΦ Submit Part I 1 of 1 > Request Answer Submit Request Answer FEF= ΓΙ ΑΣΦ 11 Eved Submit - Η ΑΣΦΙ Request Answer Determine the force in member CD of the truss.. Express your answer in pounds to three significant figures. Enter negative value in the case of compression and positive value in the case of tension. -- ΑΣΦ Ivec Request Answer 17 ΑΣΦ 4 Part A 5 Request Answer it vec Determine the force in member AB of the truss Express your answer in pounds to…
- A 15" x 3/8" bar of A572 Gr. 50 steel is used as a tension member. It is connected to a gusset plate with 7/8-in diameter bolts as shown in the figure. Use s = 2.0 and g = 3.0. Determine the design tensile strength of the section based on yielding of the gross area. Answer: |0 O O О оCalculate the ultimate moment of the given triangular column cross-section section Mr? Paste your PEG or PNG Proof paper using menu above Na=150 kN 90 mm A = 3024 A2 =024 As2 600mm fot = 17 MPa fya = 365 MPa As1 1 60 mm 600 тmA 76 mm x 76 mm x 6 mm angular section is welded to a gusset plate having a thickness of 10 mm as shown in the figure. The length L1 equals 125 mm and L2 is 65 mm. The angular section has a cross sectional area of 929 mm2, Fy = 248 MPa, FU = 400 MPa. a. Determine the value of the tensile force P based on gross area in kN. b. Determine the value of tensile force P (KN) based on net area if the value of shear lag factor is 0.85. c. Determine the value of tensile force P based on block shear in gusset plate along the weld in kN. gusset plate L₂= 65 mm 25 m Allowable stresses: Allowable tensile stress (gross area) = 0.6Fy Allowable tensile stress (net area) = 0.50Fu Allowable shear stress (net area) = 0.30Fu P