600150150Refer to the figure shown.Given are the following:Unit weight of concrete = 24 kN/mfc' = 35 MPafse = 820 MPafpu - 1,350 MPaAps = 1,200 mm?%3Dfpy - 1,080 MPaBeam is a simple span and have a length = 30 m.Use unbonded tendons as prestressedreinforcement.Determine the value of fas. (MPa)00L50,

Prestressed concrete is a structural material that enables engineers to place preset engineering…

600 150 150 Refer to the figure shown. Given are the following: Unit weight of concrete = 24 kN/m² fe' - 35 MPa fre 820 MPa fpu " 1,350 MPa Aps - 1,200 mm? foy - 1.080 MPa Beam is a simple span and have a length - 30 m. Use unbonded tendons as prestressed reinforcement. Determine the value of fay. (MPa) 00L

600 150 150 Refer to the figure shown. Given are the following: Unit weight of concrete = 24 kN/m² fe' - 35 MPa fre 820 MPa fpu " 1,350 MPa Aps - 1,200 mm? foy - 1.080 MPa Beam is a simple span and have a length - 30 m. Use unbonded tendons as prestressed reinforcement. Determine the value of fay. (MPa) 00L

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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A reinforced concrete beam having a width of 500 mm and an effective depth of 750 mm is reinforced with 5 – 25mm φ. The beam has simple span of 10 m. It carries an ultimate uniform load of 50 KN/m. Use f’c = 28 MPa, and fy = 413 MPa. What is compressive force C resisted by concrete in the beam in KN? Express your answer in two decimal places.
plz, solve all the parts of this problem. Use ACI code and Solve what you have been asked. Reinforced Concrete Design-1 A fixed ended beam with span length of 24′ and cross-section of 15ʺ x 24ʺ is subjected to uniformly distributed load is shown in figure 1. Unform service dead load is 1k/ft and uniform service live load is 1.4 k/ft. Taking ?c = 3?si and ?y = 40???, a) Analyze the beam for flexure only. b) Calculate the amount of reinforcement for the given demand and check for ductility requirements. c) Detail the reinforcement using #6 bar only, and also curtail the steel ensuring development length requirements. d) Show all your calculations in the form of neat and clean drafting. Note: Your drafting must include dimensional details, reinforcement details in both longitudinal and sectional views, and cut off locations of steel.
A rectangular concrete beam has a width of 400 mm and an effective depth of 700 mm. It is reinforced with five 28-mm diameter bars for tension only. Concrete strength is f's = 21 MPa and steel yield strength is fy = 275 MPa. Which of the following most nearly gives the distance of the neutral axis from the extreme compression concrete? A. 139.51 mm B. 151.93 mm C. 118.58 mm D. 188.15 mm
A beam, which is rectangular, has a base of 250 mm, and d = 575 mm. The beam is singly reinforced, where the recorded strain in the steel is 0.005, and the strain in the concrete is 0.003. fc' = 20.7 MPa, fy = 414.6 MPa. Note: As is not Given b) Determine the value of "As"
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A beam, which is rectangular, has a base of 250 mm, and d = 575 mm. The beam is singly reinforced, where the recorded strain in the steel is 0.005, and the strain in the concrete is 0.003. fc' = 20.7 MPa, fy = 414.6 MPa. Note: As is not Given a) Determine the value of "a".
5) A square footing 2.2 m x 0.31 m thick supports a 300 mm square column at its center. Column loads are service conditions: DL = 331 kN LL = 251 kN f’c = 21 MPa fy = 415 MPa Concrete cover to the centroid of steel reinforcement = 100 mm Calculate the maximum ultimate bending moment in the slab. Write your final answer as whole number with the unit of kN-m.
A rectangular concrete beam 277 mm wide and 495 mm deep is simply supported over a span of 8.37 m. the beam is reinforced with straight tendons situated 59 mm above the bottom of the beam under a prestressing force of 387 kN. Concrete weighs 23.36 kN/m3 with modulus of elasticity Ec=13,814.76 MPa. Assuming tension concrete does not crack, what is the midspan deflection due to the given loads. (Include the sign if it is negative) Please avoid rounding off values during the course of solution proper as much as possible. Always write your answer in 4 decimal places
A monolithic floor system consists of 100 mm thick one-way slabs supported by beams 250 mm wide, 2.8 m on centers. The floor carries a superimposed dead load of 2.2 kPa and live load of 3.9 kPa. For a typical interior span of a slab, calculate the required spacing of bottom flexure bars. Use f'c = 21 MPa and flexure bar diameter 10 mm, grade 230 MPa. Express your answer in mm to the next larger whole number.
A rectangular concrete beam has a width of 400 mm and an effective depth of 700 mm. It is reinforced with five 28-mm diameter bars for tension only. Concrete strength is f's = 21 MPa and steel yield strength is fy = 275 MPa. Which of the following most nearly gives the depth of the rectangular compression stress block? A. 188.15 mm B. 151.93 mm C. 139.51 mm D. 118.58 mm
A reinforced concrete beam 300 mm width has an effective depth of 450 mm. It is reinforced with 6 –32 mm Ф at the tension side and 2 – 28 mm Ф at the compression side located at 65 mm from the top. Fy = 345 MPa, fc’ = 34.5 MPa. Assume all steel yields and the contribution of compression steel may not be neglected.1. Which of the following gives the balance steel ratio? a. 3.8%b. 5.3%c. 4.5%d. 8.4%2. Which of the following gives the depth of compression stress block? a. 163 mmb. 123 mmc. 134 mmd. 145 mm3. Which of the following gives the nominal moment capacity of the beam? a. 734.5 kN – mb. 324.6 kN - mc. 631.2 kN – md. 543.4 kN - m