400 A W 12x72 steel column is subjected to a load of 300 kips as shown below. Determine the following: 1. Compression stress developed in the column. 2. Bearing stress between steel base plate and concrete footing. 3. Bearing stress between the concrete footing base and the soil. 4. Total shortening of the column (E=30,000 ksi). L=10' "6- י7 18" 18" W 12x72 7'-6" 16"
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- An elevated jogging track is supported at intervals by a wood beam AB (L = 7.5 ft) that is pinned at A and supported by steel rod BC and a steel washer at B. Both the rod (dBC= 3/16 in.) and the washer (dB= 1.0 in.) were designed using a rod tension force of TBC=415 lb. The rod was sized using a factor of safely of 3 against reaching the ultimate stress tru— 60 ksi. An allowable bearing stress sba= 565 psi was used to size the washer at B. A small platform HF is suspended below a section of the elevated track to support some mechanical and electrical equipment. The equipment load is uniform load q = 50 lb/ft and concentrated load WE= 175 lb at mid-span of beam HF. The plan is to drill a hole through beam ABaX £land install the same rod (dBC) and washer) dB) at both D and F to support beam HF. (a) Use s and to check the proposed design for rod DF and washer d,: are they acceptable? (b) Re-check the normal tensile stress in rod BC and bearing stress at 8 if either is inadequate under the additional load from platform HF. Re-design them to meet the original design criteria.Please Fast.3. A steel bolt and nut are tightened around an aluminum sleeve. Find the internal forces as the nut is rotated 1 turn (1 turn = 1.5 mm) given the cross sectional areas and the moduli of elasticity for the steel and the aluminum. AST = 150 mm? EST = 200 GPa EAL = 70 GPa AAL = 100 mm? L=150 mm AST Final 1.5 mm Position Al
- Please full answer. Don't copy from other online answers please.( 91 ll a O p A:09 2_538461100878017... A reinforced concrete column 200 mm in diameter is designed to carry an axial compressive load of 300 kN. If the allowable stresses are 6 MPa and 120 MPa for the concrete and steel, respectively determine: A. The required area of the reinforcing steel. B. How many steel column needs if you use 13mm d, 25mm d. c. If the column diameter increased to 300mm, with 20 steel column of 13 mm What will be the allowable load? Use Eco = 14 GPa and Est = 200 GPa. 200 300 kN and50 mm is = - = A bronze c86100 cylinder with diameter d2: nested inside a stainless steel tube with inner diameter of d₁ 55 mm L 210 mm and wall thickness of t 5 mm. The bronze cylinder is 8 = 1.75 mm taller than the stainless steel tube. What is the largest axial load, P, that can be applied without either material yielding? L cc i BY NO SA 2021 Cathy Zupke 11. P Kd₂ α₁ in ↑ B ↑ K The maximum load before yielding is P = KN
- A steel bar AD has a cross sectional area of 300mm^2 and loaded by a force P1=15kN, P2=10kN, and P3=8kN. The lengths of the segments are a=2.0m, b=0.6m, and c=0.90m. E=200GPa. a. Determine the change in length of the bar. b. determine the stress of member BC. c. By what amount should the load P3 be incresed so that the bar does not change in length when the three loads are applied?PLASE FULL ANSWER. DON'T COPY FROM OTHER ONLINE ANSWERSThe 10-mm-diameter steel bolt in (Figure 1) is surrounded by a bronze sleeve . The outer diameter of this sleeve is 20 mm, and its inner diameter is 10 mm. Est = 200 GPa, Epr 100 GPa. Part A If the bolt is subjected to a compressive force of P = 15.7 kN, determine the average normal stress in the steel. Express your answer to three significant figures and include appropriate units. Ost = Value MPа Submit Request Answer Part B If the bolt is subjected to a compressive force of P = 15.7 kN, determine the average normal stress in the bronze. Express your answer to three significant figures and include appropriate units. Figure HA P Obr = Value MPа Submit Request Answer 10 mm Provide Feedback 20 mm P
- H.W: 1 rod as shown in Fig. P-108. Axial loads are applied at the positions indicated. Find the maximum value of P that will not exceed a stress in steel of 140 MPa, in aluminum of 90 MPa, or in bronze of 100 MPa. An aluminum rod is rigidly attached between a steel rod and a bronze Aumirum A= 400 ran Braora A = 200 m Steel A- 500 mm 20 25n 2.0 m 1.5 mestion Completion Status: A solid 0.625-in. diameter steel [E = 30300 ksi] rod (1) supports beam AB, as shown. If the stress in the rod must not exceed 35 ksi and the maximum deformation in the rod must not exceed 0.15 in., determine the maximum load P that may be supported. Answer in kips rounded- off to 2 decimal places. a = 6 ft b = 14 ft c = 14 ft a e VP b B CASIO fx-991ES PLUS NATURAL-U.P.A.M.E. Rigid bar AD is horizontal before the weight of 112 lb is applied to the end of wire BC at C. The wires have a radius of 0.025" and are made of A913 steel. Determine the rotation of AD and how far C will move down due to application of the weight See Appendix of text for any material properties needed. Ans: 0.00071 radians 3 ft - 2 ft -3 ft- D B 4 ft W