The beam is subjected to a load F = 400 N and is supported by the rope and the smooth surfaces at A and B. a. Draw the free-body diagram of the beam. b. What are the magnitudes of the reactions at A and B? G 45% F -1.2 m 1.5 m1m B 30°
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- 1) DETERMINE TENSILE BENDING THE CROSS-SECTION BELOW. SOKN 20KN/m 3m THE MAXimum STRESSES OF THE B 30 кн/т Gm COMPRESSIVE Ано THE BEAM BEAM GIVEN 150MM SHOWIN 30mm 180mm 30mmThe T-beam in the floor system has a slab thickness of 90 mm and supported by beams 6.5 m span. The beam is casts monolithically with the slab. The spacing of beams is 2 m on centers and width the web is 400 mm. The effective depth of the beam is 600 mm. It is reinforced at tension side with 8-28mm Φ bars. fc’ = 28 MPa, fy = 415 MPa 1. Which of the following most nearly give the effective width of the flange? a. 1565 mm b. 1305 mm c. 1275 mm d. 1625 mm 2. Which of the following most nearly gives the depth of compression block? a. 62.25 mm b. 52.86 mm c. 60.26 mm d. 58.29 mm 3. Which of the following gives the nominal moment capacity of the beam? a. 1461.25 kN/m b. 1156.36 kN/m c. 1163.15 kN/m d. 1172.58 kN/mProb 1. The rigid bar below is supported by a pin and two rods and must support a load of 100 kN is placed 3 m from A. The brass (Ebrass = 85 GPa) rod has a cross section of 30 x 30 mm and the copper (Ecopper = 120 GPa) rod 20 x 20 mm. Determine the normal stress and deflection of both bars. 1.5 m 2 m B -copper 100 kN brass- 3m 3 m E
- PROBLEMS 237. The lower ends of the three bars in the figure are at the same level before the rigid homogeneous 18Mg block is attached. Each steel bar has an area of 600mm² and E=200GPa. For the bronze bar, the area is 900mm² and E-83GPa. Find the stress developed in each bar. BRONZE 1.6M STEEL 1M 18Mg STEEL 1M ТЕСНАQ4) Determine the maximum shear stress acting in the fiberglass beam at the section where the internal shears force is maximum. (tı=15 mm, t2=20 mm, h=150 mm, b=50 mm) 。王! 20 kN/m A |-b-| to 2 m 2 m - 2 mProblem 1: The rigid bar ABC is supported by AD and BE. Determine: a. Inclination of member ABC after loading b. 8 at point E Members Properties: Member Materials Modulus Cross- sectional Area of Elasticity AD Aluminum 70GPA 450mm2 ВЕ Steel 200GPA 550mm2 E O •Im O:3m 45kN. t 0 4m
- A:Y 211O 2_531929016114... -> A rod is composed of an aluminum section rigidly attached between steel and bronze sections, as shown in Figure below. Axial loads are applied at the positions indicated. If P = 11 KN and the cross sectional area of each rod is 312.5 mm, determine the stress in each section. 4P Steel Bronze |Aluminum 609.6 mm 914.4 mm 762 mmThe copper pipe has an outer diameter of 50mm and an inner diameter of 30mm, If it is fixed at A and three torques are applied to it as shown, solve the shear stress at section 2. A 200mm 250mm 300mm 30 N-m 20 N-m 80 N-m O 0.94MPA O 4.68MPA O 187MPA O 2.81MPAFIGORE %3D aluminum [E = 70 GPa] links (1) and H.W.3: In Figure (2) support rigid beam ABC. Link (1) has a cross-sectional area of 300mm2, and link (2) has a cross-sectional area of 450 mm2. For an applied load of P = 55 kN, determine the rigid beam deflection tad Nadhon hub at point B. (2) 4,000 mm (1) 2,500 mm 1,400 mm 800 mm P. FIGURE
- The three suspender bars are made of A992 steel and have equal cross-sectional areas of 450 mm2. Determine the average normal stress in each bar if the rigid beam is subjected to the loading shown. Use E = 200 GPa B 60 kN 2 m 40 kN E F1m--1m--1 m--1m-0: A tripe-U shear mount used four 10 mm x 60 mm x 100 mm hard rubber blocks. Upon loading, the upper U frame deflected by 1.5 mm. The elastic modulus of rubber is 50 MPa. Determine the Poisson's ratio of the rubber used. 50 kN 60 mm 100 mm 10 mm A. Pressure between the rubber and the wall (MPa) B. Strain of side KL (mm/mm)4-5 The A-36 steel rod is subjected to the loading shown. If the cross-sectional area of the rod is 60 mm², determine the displacement of B and A. Neglect the size of the cou- plings at B, C, and D. 60° 3.30 KN 2 kN D C B A 8 kN 60⁰ 3.30 KN 0.75 m 1.50 m 0.50 m 2 kN