Q-2: A rectangular concrete beam of width, b= 32-inch is limited by architectural consideration to maximum total depth, h=18-inch. It must carry a total factored load moment M. 600 kips-ft. Determine the moment carried out by the compression reinforcement (M₁). Allow 3.50-inch to the center of the bars from the compression or tension face of the beam. Materials strength are f= 5 ksi, and fy=60 ksi and Given, p=0.0191, p=0.85. Given Formulations: A, = pbd Asfy 0.85feb M₁ = Asfy (d-2) M₁L Mn M₁ =

Q-2: A rectangular concrete beam of width, b= 32-inch is limited by architectural consideration to maximum total depth, h=18-inch. It must carry a total factored load moment M. 600 kips-ft. Determine the moment carried out by the compression reinforcement (M₁). Allow 3.50-inch to the center of the bars from the compression or tension face of the beam. Materials strength are f= 5 ksi, and fy=60 ksi and Given, p=0.0191, p=0.85. Given Formulations: A, = pbd Asfy 0.85feb M₁ = Asfy (d-2) M₁L Mn M₁ =

Steel Design (Activate Learning with these NEW titles from Engineering!)

6th Edition

ISBN:9781337094740

Author:Segui, William T.

Publisher:Segui, William T.

Chapter9: Composite Construction

Section: Chapter Questions

Problem 9.1.3P

See similar textbooks

Similar questions

Determine the required tension steel area of the T beam with given properties below. Width of flange bf = 500 mm Width of web bw = 340 mm Thickness of flange tf = 140 mm Effective depth d = 350mm Effective concretee covering d' = 75mm Compressive strength of concrete fc' = 34.5 MPa Yield stress of steel bar fy = 375 MPa Mu = 415 kN-m As = _________ mm2
The concrete post is reinforced axially with four symmetrically placed steel bars, each of cross-sectional area 900 mm2. Compute the stress in each material when the 1000-kN axial load is applied. The moduli of elasticity are 200 GPa for steel and 14 GPa for concrete. Compatibiltiy Equation . Ust Bearing |1000 kN plate Steel- Concrete 300 mm 300 mm Section a-a
Q-A pre-tensioned concrete member of section 200 mm x 250 mm contains tendons of area 500 mm² at centre of gravity of the section. The prestress in the tendons is 1000 N/mm². Assuming modular ratio as 10, find the stress (N/mm2) in concrete.
3) A concrete floor slab 100 mm thick is cast monolithic with concrete beams 2.0 m on centers. The beams have a span of 4.2 m, web width of 250 mm and overall depth of 450 mm. The tensile reinforcement consists of 4-∅25 mm bars in two rows with 25 mm vertical clear spacing. Use material strengths f’c = 21 MPa and fy = 415 MPa. Calculate the following considering a T-geometry: Effective flange width of an interior beam in mm = ___________ Depth of uniform stress block at ultimate stage in mm to the nearest whole number = ___________ Tensile steel strain compatible with concrete strain of 0.003 in 3 decimal places = __________
A W18 x 40 floor beam supports a 4-inch-thick reinforced concrete slab with an effective width b of 81 inches. Sufficient anchors are provided to make the beam fully composite. The 28-day compressive strength of the concrete is f,c = 4 ksi. a. Compute the moment of inertia of the transformed section. b. For a positive service load moment of 290 ft-kips, compute the stress at the top of the steel (indicate whether tension or compression), the stress at the bottom of the steel, and the stress at the top of the concrete.
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
Help me how to design the REINFORCED CONCRETE BEAMS WITH IRREGULAR CROSS SECTION as shown infigure 1 using the following parameters:F’c = 3,500 Psi Fy=Grade 40 Stirrups = Φ10mmMu = 200 Kn-M All Concrete cover = 30mm Es=200,000 Mpa Find the following: AC area of compression concrete stress block in mm. Assume z = 0.85dEff a height of compression concrete stress block in mm. c distance from the neutral axis to outermost compression fiber in mm. z actual moment arm for Mu=ØTz in mm. As actual area of tension steel in sq.mm. N quantity of Ø20mm steel rebars ЄS Actual Strain of steel ЄY Yield Strain of steel Check if the beam is singly reinforced concrete in the designed then concludeCheck: ЄY < = > ЄS Draw the Working Drawings of the x-section.
A rectangular beam of 230 mm width and effective depth mm diameter. The grade of concrete is M 20, grade of steel is Fe 500. Given that for M20 grade of concrete, the ultimate shear strength = 450 mm, is reinforced with 4 bars of 12 Tue = 0.36 N/mm2 for steel percentage of p D 0.25, and = 0.48 N/mm2 for steel percentage Tuc %3D p = 0.5. For a factored shear force of 45 kN, the diameter (mm) of Fe500 steel 2 legged stirrups to be used at spacing of 375 mm should be
In the reinforced beam having a width of 300mm and an effective depth of 600 mm, caries a moment of 80 KN - m which developed a max. stress of 5 MPa in the concrete. Determine the area of steel reinforcement required if n = 9, What stress is developed in the steel? d-600 b=300 As 200 400 300 nAs 100
A rectangular beam has a width of 285 mm and an effective depth of 520mm. It is reinforced with 4 – 36 mm ø bars having fy = 430 MPa. If he compressivestrength of the concrete is 28MPa, find the following a. Location of the neutral axis from the top of the beam.b. Stress of the steel.c. Ultimate capacity of the beam?
The rectangular doubly reinforcement stress concrete block with the arrangement of reinforcement of 2N28 bars on top and 3N28 bars on bottom. The modulus of elasticity are Ec =23,500MPa and Es = 200,000MPa. Dead load is 18KN/m and live load is 12KN/m. f' = 25MPa 800 IDE 730 N12 ligs (fsv.f-500MPa) Ast = 3N28 350 Span = 10m Figure 3 Calculate the combination load for the reinforcement concrete beam shown in Figure 3. Unit: KN/m with two decimal. 1.2G+1.5Q=w
A rectangular beam 250 mm wide, 500 mm deep is reinforced at the bottom with d-20-mm-dismeter bars and at the top with 2-16-mm bars. Concrete cover to bar centroid at the top is M0 mm and at the bottom is 70 mm. Use concrete strength r'e-21 MPa und steel yield strength fy 415 MPa for 20- mm bars and fy= 275 MPA for 16 mm bars Detenmine the design moment capacity n kN m of the beam in negative bending. A 40.06 O45.07 C. 42.70 D47.55