Calculate the magnitude of a uniformly distributed load (in addition to the beam's) which will cause the beam section to begin to crack if it has a simple span of 6m. The beam is made of normal-weight concrete with fc' = 28 MPа. 250 250 -250 150 200 4-28mmo 175 75 -500
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- 13. A floor slab 100 mm thick is cast monolithically with beams 250 mm wide 450 mm deep spaced 1.2 m on centers, on simple supports over a span of 5.0 m. The floor supports a service live load of 2.1 kPa. Using ?c= 21 MPa, rebar strength fy = 415 MP, calculate the following if a typical interior beam is reinforced with 3- 16-mm-dia. flexure bars at the bottom enclosed with 10-mm-dia. stirrups: 1. Nominal moment capacity (kN:m) of a typical interior beam in positive bending considering T-beam geometry. A. 96.66 B. 86.99 C. 91.10 D. 81.99 2. Maximum factored uniformly distributed load (kN/m) a typical interior beam can sustain against positive bending. A. 30.93 B. 27.83 C. 26.23 D. 29.15 3. Maximum service superimposed dead load in kPa. A. 17.73 B. 11.08 C. 16.52 D. 14.77a floor slab 100 mm thick is cast monolithically with beams 250 mm wide 450 mm deep spaced 1.2 m on centers, on simple supports over a span of 5.0 m. the floor supports a service live load of 2.1 kPa. using f'c =21MPa, rebar strength fy=415 MPa, calculate the following if a typical interior beam is reinforced with 3-16-mm dia. flexure bars at the bottom enclosed with 10-mm-dia. stirrups: 1. nominal moment capacity (kN.m) of a typical interior beam in positive bending considering T-beam geometry. a. 96.66 b. 86.99 c. 91.10 d. 81.99 2. maximum factored uniformly distributed load (kN/m) a typical interior beam can sustain against positive bending. a. 30.93 b. 27.83 c. 26.23 d. 29.15 3. maximum service superimposed dead load in kPa. a. 17.73 b. 11.08 c. 16.52 d. 14.77A simply supported one way reinforced concrete floor slab has a span of 3 m. It carries a service live load of 8.4 kPa and a service dead load of 1.2 kPa, compressive strength of concrete is 20.7 MPa while the yield strength of reinforcement bars is 414.16 MPa. Use 25 clear cover. Unit weight of reinforced concrete is 24 kN/m3. Determine the factored moment in kN-m. Round off your answer to two decimal places.
- The dimensions for a reinforced concrete beam are given as: b = 300mm d = 400mm d’ = 75mm It is to be designed for a service dead load moment of 30kN-m and a service live load moment of 40kN-m. Suppose f’c = 21MPa and fy = 276MPa, how many 20-mm bars are required to reinforced the beam in terms of steel area?A simply supported one way reinforced concrete floor slab has a span of 3 m. It carries a service live load of 8.4 kPa and a service dead load of 1.2 kPa, compressive strength of concrete is 20.7 MPa while the yield strength of reinforcement bars is 414.16 MPa. Use 25 clear cover. Unit weight of reinforced concrete is 24 kN/m3. Determine the factored moment in kN-m. Round off your answer to two decimal places. No need to indicate the unit.A 300mm x 425 rectangular beam is reinforced for tension only with 4-28mm bars. The beam has a concrete cover of 40mm and a stirrup of 10mm diameter bar. The beam carries a live load and a dead load (without its self-weight). Given that unit weight of concrete is 24kN/ cu.m f'c = 21 MPa and fy = 414 MPa, calculate the additional concentrated live load as shown in the figure.
- please help! upvote will be given. STRENGTH OF MATERIALS The properties of the reinforced concrete beam are b = 309 mm, d = 467 mm, Ast = 1393 mm2, and Est / Eco = 9. If the working stresses are 17.2 MPa for concrete and 119.7 MPa for steel, determine the largest bending moment (in Nm) that may be applied safely. Round off the final answer to three decimal places.A floor slab 100 mm thick is cast monolithically with beams 300 mm wide 500 mm deep spaced 1.5 m on centers, on simple supports over a span of 6.0 m. The floor supports a superimposed service dead load of 1.77 kPa and service live load of 4.8 kPa. Using f’c= 21 MPa, long bar fy = 415 MPa, calculate Using a T-beam geometry formed from monolithic construction, determine the effective flange width of a typical interior beam in mm.A timber beam having a simple span of 15m carries a total load including its own weight of 25KN/m. It has a width of 200 mm and a depth of 250mm. The wooden section is made up of 80% Apitong.Fb = 17.5 MPaEw = 7510 MPaFv = 1.85Mpaa. Determine the maximum flexural stress of the beam.b. Determine the maximum shearing stress of the beam.c. Determine the maximum deflection of the beam.
- A floor slab 100 mm thick is cast monolithically with beams 300 mm wide 500 mm deep spaced 2 m on centers, on simple supports over a span of 6.0 m. The floor supports a superimposed service dead load of 1.77 kPa and service live load of 4.8 kPa. Using f’c = 21 MPa, long bar fy = 415 MPa, calculate: 8. Using a T-beam geometry formed from monolithic construction, determine the effective flange width of a typical interior beam in mm. = [bf] mmThe prestressed concrete girder is made from plain stone concrete and four-in. cold-form steel reinforcing rods. Determine the dead weight of the girder per foot of its length. Correct answer is 468.25lbs/ft Just wanted to know the calculation.What is the value of the long term deflection for the double reinforced beam having a base of 250 mm, d of 400 mm, As = 3000 mm^2, As' = 1000 mm^2. If the computed value of deflection deadload = 5.50 mm, deflection live load = 10.00 mm, deflection sustained live load = 7.00 mm. The long term deflection to be considered is 8 years.