A reinforced concrete beam has a width of 300 mm and an effective depth of 618 mm.Compressive reinforcement will be placed at d' = 60 mm, f'c = 28 MPa and fy = 415 MPa. UseØ = 0.9 for flexure and load combination of U= 1.2DL + 1.6LL. Reference: NSCP 2015.a. Calculate the steel ratio for a balanced section, phal-b.Calculate the maximum steel ratio for a tension-controlled section, pmax.d.c. If the beam is to support a bending moment of 240 kN-m from dead load and 195kN-m from live load, determine the required design flexural strength of the section.If the beam is to support a bending moment of 240 kN-m from dead load and 195kN-m from live load, determine the number of 28 mmø bars required as tensionreinforcement.

b = 300 mm d = 618 mm d'=60 mm fc = 28 MPa fy = 415 MPa ϕ=0.9

A reinforced concrete beam has a width of 300 mm and an effective depth of 618 mm. Compressive reinforcement will be placed at d' = 60 mm, f'c = 28 MPa and fy = 415 MPa. Use Ø = 0.9 for flexure and load combination of U= 1.2DL + 1.6LL. Reference: NSCP 2015. a. Calculate the steel ratio for a balanced section, phal- b. Calculate the maximum steel ratio for a tension-controlled section, pmax. c. If the beam is to support a bending moment of 240 kN-m from dead load and 195 kN-m from live load, determine the required design flexural strength of the section. If the beam is to support a bending moment of 240 kN-m from dead load and 195 kN-m from live load, determine the number of 28 mmø bars required as tension reinforcement. d.

A reinforced concrete beam has a width of 300 mm and an effective depth of 618 mm. Compressive reinforcement will be placed at d' = 60 mm, f'c = 28 MPa and fy = 415 MPa. Use Ø = 0.9 for flexure and load combination of U= 1.2DL + 1.6LL. Reference: NSCP 2015. a. Calculate the steel ratio for a balanced section, phal- b. Calculate the maximum steel ratio for a tension-controlled section, pmax. c. If the beam is to support a bending moment of 240 kN-m from dead load and 195 kN-m from live load, determine the required design flexural strength of the section. If the beam is to support a bending moment of 240 kN-m from dead load and 195 kN-m from live load, determine the number of 28 mmø bars required as tension reinforcement. d.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

1. The details of the cantilever beam are shown below. Use f'c = 28 MPa, fy = 415 MPa, and fyt = 275 MPa. Notes:• All dimensions are in millimeters.• Column reinforcement not shown for clarity• Column and beam are neither exposed to weather nor contact with the ground.• Analyze as singly reinforce beam only.• Neglect the weight of the beam.• Concrete isnormal weight and reinforcements are galvanized. d. What is the flexural capacity of the beam at face of support in kNm? e. What is theshear capacity of the beam at face of support in kN? f. What is the maximum Pu (kN) that can be applied at the free end of the beam consideringflexure and shear? g. What is the requiredminimum cut length (mm) of each stirrup? Roundyour answer to nearest safe25 mm.
Design the simply supported beam shown in the Figure 1 for flexure Consider the following data. Characteristic compressive strength of concrete, fck= 25 N/mm? %3D Characteristic tensile strength of steel, fyk = 500 N/mm? Effective cover to reinforcement is 30 mm Density of Block work = 20 kN/m3 Draw the cross section of the beam at the mid span Height of 200 mm thick wall above the beam is 4 m 200 mm - Imposed Load-20kN/m 600 mm - 6 m
A beam cast monolithically has the following properties: bf=1200mm, t or hf = 110mm, bw=380mm and h=800mm. It is reinforced with 10D32mm grade 420MPa bars. Concrete strength is assumed to be 27.5MPa and the centroid of tension reinforcement is located 665mm from the outermost compression fiber. A. Determine maximum nominal moment to ensure tension controlled, kN-m. B. Calculate the balanced steel area, mm2. C. Calculate the balanced moment in kN-m.
Answer the following for the section at Point D Only Calculate the distributed load "w" that: Will cause the section crack Will cause the reinforcement to yield. Material Properties: F'c = 5000 psi Fy = 60000 psi Es = 29000000 psi Ln = 27 ft L wl₂² 16 wl,² 14 CD L wl,2 vl₁² 10 11 win² 16 h: 28 in A=4 in² b=14 in n d: 25 in
need answer thank you
A simply supported beam is reinforced with 5-p25 mm at the bottom and 2-020 mm at the top of the beam. Concrete covering to centroid of reinforcement is 70 mm at the top and 64 mm at the bottom of the beam. The beam has a gross depth of 450 mm and gross width of 300 mm. fc'= 28 MPa, fy = 415 MPa. Assume bars laid out in single layer. Calculate the following if the limiting tensile steel strain is 0.004 for a ductile failure: Depth of the neutral axis from the extreme concrete compression fiber to the nearest whole number = mm Design strength of the beam section to the nearest whole number = kN -m Maximum service uniform live load over the entire span in addition to a DL = 20 kN/m (including the weight of the beam) if it has a span of 6 m = kN/m (to the nearest whole number)
a concrete floor slab 100mm thick is cast monotholic with concrete beams 2.0 m on centers. the beams have a span of 4.0m, web width of 259 mm and overall depth of 50 mm. the tensile reinforcement consists of 6-⌀20 mm bars in two rows with 25mm vertical clear spacing. use material strengths f'c=21MPa and fy=415MPa. calculate the ff considering a T-geometry: 1. effective flange width of an interior beam in mm 2. depth of uniform stress block at ultimate stage in mm to the nearest whole number 3. tensile steel strain compatible strain of 0.003
please include also the given, required and the solution thank you
Please answer as soon as possible
The wood beam has an allowable shear stress of tallow = 7 MPa. Determine the maximum shear force V that can be applied to the cross section.
Find the ultimate moment of resistance for the rectangular section reinforced as shown below. material strengths: Concrete Reinforcement Width of section Reinforcement fcu= 30-MPa fy:= 450-MPa b:= 280 mm d:= 510 mm d':= 50-mm 2 A, 2410-mm A's:= 628-mm 2 b A', Hi As
Problem 1. The composite beam shown below carries a cantilevered load of 10 kN. The beam consists of one 30 x 124 mm plate and four 12 x 50 mm plates. They are pinned together at 120 mm intervals with round pins. The pin material has a shear strength of 159 MPa. Compute the minimum acceptable diameter for the pins. O O O O O O O -0 O 0- O 1000 mm Do O -120 mm (typ) O O O P = 10 KN 30 x 124 mm 12 x 50 mm (typ)