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Compute the safe uniform load that the channel section shown could carry. Neglect the weight of...
Investigate the adequacy of the beam shown if it has a simple span of 6 m. It carries a live load of 8 KN/m, fc' = 20 Mpa, fs = 138 Mpa, and n =10. 60 mm 60 mm 250 mm 6 - 25 mm Ø 380 mm 250 mm 60 mm 125 mm 250 mm 125 mm
2. A rectangular beam, 400 x 600 mm gross dimension, is cast using a concrete strength of fc 30 MPa, reinforced with 5-25 mm diameter steel bar at the effective depth of 500 mm. If is subjected to a moment, M 130 kN-m. Determine the following: Magnitude of the bending moment that cracks the singly-reinforced beam section. (10 pts) b. For the computed cracking moment, determine the maximum compressive stress in the concrete and the stress in the tension steel....
A simple beam with span length L = 2m is subjected to a uniform load intensity of q = 60 kN/m. The beam has a rectangular cross section with width b = 50 mm and height h = 150 m Determine the normal stress at point C (Mpa) with c = 500 mm and d = 25 mm.
An overhanging steel beam is used to carry a uniformly distributed load over a 2-metre length as shown. The yield stress of steel is ơyield-350 MPa. Check if the cross section of the beam at section a-a is safe against yielding, (a) using the maximum distortion energy criterion (Von Mises criterion) (b) using the maximum shear stress criterion (Tresca) 15 mm w-12 kN/m 15 mm 120 mm 2000 mm 15 mm 3000 mm 3000 mm 6000 mm 60 mm An...
4. Investigate the adequacy of the beam reinforced for tension and compression as shown. The total load is 20 KN/m including its own weight, fc' = 20.7 Mpa, fs = 138 Mpa, and n = 10. 1 65 mm 60 KN 3 - 32 mm Ø w = 20 KN/m 370 mm 500 mm A B С 3- 32 mm Ø 4 m 3 m 3 m 2 m 65 mm 300 mm
The simply-supported beam having I-beam cross-section as shown in figure is to carry a uniformly distributed load over its entire 1.2m length. Specify the maximum allowable load if the beam is made from malleable iron, ASTM A220, class 80002. The allowable tensile stress is 164 MPa and allowable compressive stress is 412 MPa. The centroid of the section is located at 35 mm from the bottom and moment of inertia are Ix = 2.66 x 10 mm". (a) Draw loading...
Design Problem: : (20 marks) Flr a safety factor of 2, find the safe load that the AISI 1020 beam, fixed at both ends (1o mm widex mm deep and span 2m) can carry: 180 (1) by elastic analysis, with the factor of safety based on yield, and, (2) by plastic design. (note: AISI 1020 Steel: yield stress 250 MPa, )
A reinforced concrete cantilevered beam with a span of 5 m extends from the wall, as shown in the figure below. The beam has a rectangular cross-section and supports a uniform dead load (DL) of 15 kN/m (excluding the self-weight) and a uniform live load (LL) of 25 kN/m. The beam width is restricted to 400 mm. Use 10M stirrups and 25M bars for tension steel. The maximum aggregate size is 20 mm. 1ie 5.5. beam is located in the...
2. Given a simply supported beam shown in figure below with the cross section at maximum moment. The beam supports a uniform service dead load of WDL =30 kN/m (excluding own weight of beam), Pll = 270 kN. Use fc' = 30 MPa; fy = 400 MPa. Calculate design strength OMn for the cross section shown in the figure. Check the strains in the steel esi. LL , 75-40-100 -775 90 90 WOL 710 650 5030 -15000 mm
Fig. Q-1 shows a two-span continuous beam which is to carry a characteristic dead load inclusive of self-weight, gk, of 12 kN/m, and a characteristic imposed load, qk, of 10 kN/m. Material properties are: fek = 25 MPa, and fyk = 500 MPa. (a) Determine the design bending moment envelope for span AB. You need not have to consider moment re-distribution. [10 marks] (b) Determine the maximum moment that the support section at B can carry if the neutral axis...