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Question 3 For the simply supported steel beam with cross section and loading shown (see Figure...
A W410 × 60 steel beam (see Appendix B) is simply supported at its ends and carries a concentrate...
A W410 × 60 steel beam (see
Appendix B) is simply supported at its ends and carries a
concentrated load of P = 300 kN at the center of a 6.0-m
span. The W410 × 60 shape will be strengthened by adding two cover
plates of width b = 250 mm and thickness t = 16
mm to its flanges, as shown. Each cover plate is attached to its
flange by pairs of bolts spaced at intervals of s =...
The simply supported bearm is made of A-36 steel and is subjected to the loading shown...
The simply supported bearm is made of A-36 steel and is subjected to the loading shown in (Figure 1. Suppose that P 18 kN. E 200 GPa and I - 0.1457(10 Part A Determine the deflection of the beam at its center C Express your answer to three signiticant tigures and include the appropriate units. Enter positive value If the deflection is upward and negative value If the deflection is downward. Ac= Value Units Figure 1 of 1 Submit Request...
A concrete beam is strengthened using two steel plates as shown in the cross section of...
A concrete beam is strengthened using two steel plates as shown in the cross section of the member. The beam has simple supports and an overhang and is subjected to a uniform load as shown. Assume that Ec=25 GPa and Es=200 GPa. 1. Determine the maximum moment carried in the member. 2. Determine the modular ratio, n. 3. Determine the centroid of the transformed section 4. Determine the maximums stresses in the concrete and the steel. 2 kN/m A- B...
2. Given a simply supported beam shown in figure below with the cross section at maximum...
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
2. For the beam and loading shown, design the cross section of the beam, knowing that...
2. For the beam and loading shown, design the cross section of the beam, knowing that the grade of timber used has an allowable normal stress of 12 MPa 2.5 KN 2.5 KN 100 mm 6 kN/m 0.6 m 0.6 m 3. Knowing that the allowable normal stress for the steel used is 160 MPa, select the most economical S shape beam to support the loading shown. SO KN 100 kN/m B 0.8m- 1.6 m
The simply supported beam consists of a W410 × 60 structural steel wide-flange shape [E =...
The simply supported beam consists of a W410 × 60 structural
steel wide-flange shape [E = 200 GPa; I = 216 ×
106 mm4]. For the loading shown, determine
the beam deflection at point C.
Assume P = 53 kN, w = 91 kN/m,
LAB = LBC = 1.7 m,
LDE = LCD=1.8 m,
MA = 197 kN-m.
200 GPa; I 216 x 100 mm ]. For the loading shown, determine the beam The simply supported beam consists of a...
Question 1 (Total 100/3 Marks) Figure 1 (all units are mm) shows a simply supported beam of span ...
Question 1 (Total 100/3 Marks) Figure 1 (all units are mm) shows a simply supported beam of span 2500 mm with a 5 kN/m load. The cross-section of the beam is a composite section made from two steel plates attached to the top and bottom of a timber section. The top steel plate is 5 mm wide and 20 mm deep. The bottom steel plate is also 5 mm wide but 10 mm deep. The timber section is 50 mm...
Question 2 (30 marks) The wood beam below (cross section dimensions 150 x 250 mm, as...
Question 2 (30 marks) The wood beam below (cross section dimensions 150 x 250 mm, as indicated) is strengthened at the bottom using 3 steel reinforcement plates of the same 12mm thickness (see figure), perfectly glued to the wooden beam. The modulus of elasticity for wood is E,-12 GPa and for steel E,-200 GPa. Given the allowable stresses (in both tension and compression) for wood ơw-12 MPa and for steel Ơs = 150 MPa, determine the largest possible moment due...
Figure Q3 shows a simply supported beam carrying a point load. The beam hasa rectangular hollow...
Figure Q3 shows a simply supported beam carrying a point load. The beam hasa rectangular hollow steel section as shown in Figure Q3. a. Calculate the second moment of area of the section about the horizontal (10 marks) centroidal axis. Calculate the maximum allowable value of the point load Wif the elastic bending (15 marks) b. stress in the beam is to be limited to 250 MPa. c. Calculate the maximum shear stress at q-q in the beam when the...
5. Determine the mid-span short-term deflection of a simply supported beam with the section shown in...
5. Determine the mid-span short-term deflection of a simply supported beam with the section shown in Figure Q5. Design data: Concrete strength: fcu 30 MPa. Area of tensile steel reinforcement: As 1500 mm Area of compressive steel reinforcement: A,-1500 mm2 Instantaneous static modulus of elasticity of concrete = 25GPa. Span -8.0 m Loading: Dead load 5.0 kN/m (uniformly distributed load); Live load 5.0 kN/m (uniformly distributed load) (Hint: the height of neutral axis of the mid-span section under the service...
The simply supported bearm is made of A-36 steel and is subjected to the loading shown in (Figure 1. Suppose that P 18 kN. E 200 GPa and I - 0.1457(10 Part A Determine the deflection of the beam at its center C Express your answer to three signiticant tigures and include the appropriate units. Enter positive value If the deflection is upward and negative value If the deflection is downward. Ac= Value Units Figure 1 of 1 Submit Request...
A concrete beam is strengthened using two steel plates as shown in the cross section of the member. The beam has simple supports and an overhang and is subjected to a uniform load as shown. Assume that Ec=25 GPa and Es=200 GPa. 1. Determine the maximum moment carried in the member. 2. Determine the modular ratio, n. 3. Determine the centroid of the transformed section 4. Determine the maximums stresses in the concrete and the steel. 2 kN/m A- B...
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
2. For the beam and loading shown, design the cross section of the beam, knowing that the grade of timber used has an allowable normal stress of 12 MPa 2.5 KN 2.5 KN 100 mm 6 kN/m 0.6 m 0.6 m 3. Knowing that the allowable normal stress for the steel used is 160 MPa, select the most economical S shape beam to support the loading shown. SO KN 100 kN/m B 0.8m- 1.6 m
The simply supported beam consists of a W410 × 60 structural
steel wide-flange shape [E = 200 GPa; I = 216 ×
106 mm4]. For the loading shown, determine
the beam deflection at point C.
Assume P = 53 kN, w = 91 kN/m,
LAB = LBC = 1.7 m,
LDE = LCD=1.8 m,
MA = 197 kN-m.
200 GPa; I 216 x 100 mm ]. For the loading shown, determine the beam The simply supported beam consists of a...
Question 1 (Total 100/3 Marks) Figure 1 (all units are mm) shows a simply supported beam of span 2500 mm with a 5 kN/m load. The cross-section of the beam is a composite section made from two steel plates attached to the top and bottom of a timber section. The top steel plate is 5 mm wide and 20 mm deep. The bottom steel plate is also 5 mm wide but 10 mm deep. The timber section is 50 mm...
Question 2 (30 marks) The wood beam below (cross section dimensions 150 x 250 mm, as indicated) is strengthened at the bottom using 3 steel reinforcement plates of the same 12mm thickness (see figure), perfectly glued to the wooden beam. The modulus of elasticity for wood is E,-12 GPa and for steel E,-200 GPa. Given the allowable stresses (in both tension and compression) for wood ơw-12 MPa and for steel Ơs = 150 MPa, determine the largest possible moment due...
Figure Q3 shows a simply supported beam carrying a point load. The beam hasa rectangular hollow steel section as shown in Figure Q3. a. Calculate the second moment of area of the section about the horizontal (10 marks) centroidal axis. Calculate the maximum allowable value of the point load Wif the elastic bending (15 marks) b. stress in the beam is to be limited to 250 MPa. c. Calculate the maximum shear stress at q-q in the beam when the...
5. Determine the mid-span short-term deflection of a simply supported beam with the section shown in Figure Q5. Design data: Concrete strength: fcu 30 MPa. Area of tensile steel reinforcement: As 1500 mm Area of compressive steel reinforcement: A,-1500 mm2 Instantaneous static modulus of elasticity of concrete = 25GPa. Span -8.0 m Loading: Dead load 5.0 kN/m (uniformly distributed load); Live load 5.0 kN/m (uniformly distributed load) (Hint: the height of neutral axis of the mid-span section under the service...
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