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- pls help ASAP absolute value of torential sheer stress of the hollow steel Two circular shafts are joined together between fixed supports to resist a torsional moment of 80 kN-m as shown. Determine the absolute value of the maximum torsional shear stress of the hollow steel shaft (in MPa). 8o N-m Sm steel Iel tiraler dhmmum Selid circalor D= 75 my D 8o mm G GA G 1S0 EPA beam carrying an allowable actual moment of -38 KN- m is reinforced as shown. If the the concrete is normal weight and f'c = 25MPa and fy = 420MPa. Determine the following: a. The cracking moment of the beam. b. The transformed moment of Inertia. c. The actual tension steel stress. d. Check the stress if it is correct by force checks. mm www.009 4-020 О 140 mm 300 mm 170 mm * 170 mm: ww.08 ✓ 60 mmb) The rectangular section shown below is subjected to a moment of M=257kN.m. Assume a cracked section and calculate the elastic stresses in the concrete and reinforcement at loading Cross-section: width height Modulus of elasticity: concrete reinforcement Reinforcement: depth area b:= 406-mm h := 793-mm Ec := 26.6-GPa Es := 200-GPa d:= 721 mm A, 3039-mm 2 h b - A', A₂ d':= 72 mm A's= 1548-mm 2 d
- in 21- ő A steel beam is reinforced by three steel rods. The modulous of elasticity for concrete is 20Gpa and for steel is 200Gpa. Maximum allowable stress for concrete is 9.45Mpa and for steel is 140Mpa. Calculate the largest allowable positive WBT bending moment in the beam. иа mo maod motinu od o boblow need sved Ha bus 400mm aidT (alonnerlo ert to rigiow stongi)/4000E of Trup 200-0 signs or botuesom sWnworla es berloss M bris V zsra erli owob stiW maod sdi to mergeib insm brol bus borlism tuo sallimill nollor 10 nige over on The modulus of elasticity for concrete is 20Gpa and for the steel is 200 Gpa. Allowable stress for concrete is 9Mpa and for steel is 140Mpa. Calculate the maxium allowable bending momemt that can be applied per metal rod of the concrete slab. 150mm 200mm D=16mm 140 mm -22mm Diameter TOPABA t 50mm T 140 mm 140 mm 140 mmCalculate the shear stress in MPa at section B A 100 mm F-10EN 10 mmPERFORMED AS REQUIRED. SHOW YOUR COMPLETE SOLUTION. 4.3-1 Use AISC Equation E3-2 or E3-3 and determine the nominal axial compressive strength for the following cases: a. L = 10 ft b. L=30 ft L W10 x 100 A992 steel FIGURE P4.3-1
- SIMPLE STRESSES 340 mm 3. Two plates are connected by bolts as shown in the figure. Compute the maximum force F that can be applied to the plates. The allowable axial stress of each plate is 150 Мра. The allowable shear stress of each bolt is 50 MPa. The diameter of each bolt is 16 F F 150 mm F F mm. 50 mm 340 mmQuestion 8 1 p The rectangular doubly reinforcement stress concrete block with the arrangement of reinforcement of 2N28 bars on top and 3N28 bars on bottom. The modulus of elasticity are Ec=23,500MPa and Es = 200,000MPa. Dead load is 18KN/m and live load is 12KN/m. f'c = 25MPa 800 TE 730 N12 ligs (fsv.t-500MPa) Ast = 3N28 350 Span = 10m Figure 3 Calculate the concrete stresses in tension and compression of the reinforcement concrete beam shown in Figure 3. Compression concrete stress Choose ] Tension Concrete stress Choose]A 210 kN axial compressive load is applied to a W530x101-steel column with the length of 3.20 m and cross sectional area of 12900mm2. The modulus of elasticity of this steel is 203 GPa. a) Find the stress acting on the column. b) Find the length change of the column under this load. For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). BIUS Paragraph Arial 14px A v
- Tow square bars are welded together and loaded axially as shown: Determine The normal stress between A&B The normal stress between B&C The normal stress between C&D The total change in length of the bar Assume : w1 =40 mm, w2 = 50 mm, P1 = 130 kN, P2= 65 kN, and P3 =260 kN. E = 200,000 Mpa original lengths LAB = 100 mm, LBC = 120 mm, and LCD = 130 mm,P 130 mm 25 mm 25 mm P P 3. Assume that the axial load P applied to the lap joint is distributed equally among the three 20-mm-diameter rivets. What is the maximum load P that can be applied if the allowable stresses are 40 MPa for shear in rivets, 90 MPa for bearing between a plate and a rivet, and 120 MPa for tension in the plates?Question 4 • h₁-100mm . • h=120mm • t-5mm • b-75mm Z O ko An I beam is subjected to an internal shear force, V, of 325kN. The dimensions for the I-beam are Answer h₁ h Determine the maximum transverse shear stress in the web. Enter your answer in MPa to one decimal place. Your Answer: