Situation 1:A concrete overhang beam with the section shown is to support a 150 mm thick concrete slabwith a tributary width of 2.70 m. The beam also supports a 3.20 m height of 100 mm thickconcrete partition wall. Unit weight of concrete is taken to be 24 kN/m³. Determine the deadload in kN per meter length of beam and determine the maximum fiber stresses (tensile &compressive) due to the imposed dead loads. Draw the complete V&M diagrams.-wall300 mm120 mmslab1.2 m4.8 m360 mm

Introduction- Beam: A beam is a structural component that resists loads that are applied laterally…

Answered: uation 1: A concrete overhang beam with…

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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The maximum load of 200 KN was applied on a cylindrical specimen of concrete. Find the split tensile strength in MPa. Take depth as 150 mm and length as 300 mm.
Question 2. The concrete column (30 x30) cm, length 6 m, Ec = 4 x 106 MN/m² and ac = 5.5 x 10/ "C is reinforced with eight steel bars, each of 12 mm diameter (Es= 29 x 106 MN/m² and as = 6.5 x 10"/ "C). Determine the normal stresses induced in the steel and in the concrete by a temperature rise of 75 °C.
Situation 1: A concrete overhang beam with the section shown is to support a 150 mm thick concrete slab with a tributary width of 2.70 m. The beam also supports a 3.20 m height of 100 mm thick concrete partition wall. Unit weight of concrete is taken to be 24 kN/m. Determine the maximum fiber stresses (tensile & compressive) due to the imposed dead loads. Draw the complete V&M diagrams. Note: Show your Solution in a Step by step
The concrete post shown is reinforced axially with four symmetrically placed steel bars each of cross-sectional are 900mm^2. If the 1000 kN axial load is applied and the moduli of elasticity are 200 GPa for steel and 14 GPa for concrete. Determine a) the stress in each of the steel bars, and b) the stress in the concrete.
Reinforce Concrete: A rectangular beam having a width of 300mm has an effective depth of 600mm. Total depth of beam is 680mm. The beam is reinforced with 3 – 32mm rebars at the bottom. Using normal weight concrete and F’c = 27.6MPa, Fy = 415MPa. a. Using detailed calculation, determine the shear strength of concrete subjected to shear and flexure only if it is subjected a factored moment of Mu = 134KN.m which occurs simultaneously with Vu = 223KN. b. If the beam is subjected to a compressive force of 268KN, using simplified calculation, determine the shear strength provided by concrete. c. If the beam is subjected to a compressive force of 270KN, using detailed calculation, determine the shear strength of concrete if Mu = 140KN.m and Vu 240KN.
A beam having a width of 500 mm and a total depth of 800mm is reinforced with 6-32mm dia bars, Compressive strength of concrete is 28 MPa and yield strength of reinforcing bars is 420MP.. 640 mm 800 mm 6 #32 80 mm 80 mm Determine the following: 1. depth of the compression block 2. strain in the tension reinforcement 3. moment reduction factor 4. nominal moment capacity 5. ultimate moment capacity 6. actual steel ratio 7. minimum steel ratio 8. maximum steel ratio 9. Tension force 10. Compression force
Question 1: A pre-stressed concrete beam has a width of 200 mm and an overall depth of 400 mm. The permissible stresses in tension and compression due to pre- stressing alone are 4 N/mm? and 25 N/mm respectively. Find the required pre- stressing force in the tendon and the eccentricity of the tendon, if a straight tendon with a constant eccentricity is to be provided in the beam. No external load or self weight effect is to be considered.
A cast iron tube 3m long is completely filled with concrete and used as a vertical strut. if the external diameter of the tube is 450mm and the wall is 35mm thick, determine the maximum compressive load the composite strut can support if the stress in the concrete is not exceed 2N/mm2. By how much should the strut shorten under this load. For cat iron EA= 100GN/m? and for concrete Eb = 10GN/m?. %3D
A reinforced concrete beam has a width of 400 mmand a total depth of 550 mm. The longitudinal bars at the top are 2– 28 mm and 4 – 32 mm at the bottom. Concrete strength is f’c =24 MPa and steel yield strength fy = 300 MPa. Steel cover is 70mm and modular ratio is 9.What is the transformed moment of inertia?What is the moment capacity?What is the safest uniformly distributed load that the beam cancarry if the length of the simply supported beam is 8 m.
The properties of the reinforced concrete T-beam are bi = 30 in., hi = 4 in., b2 = 12 in., h = 18 in., Ast = 4.5 in?, and n=8. Using elastic analysis, find the maximum stress in the concrete produced by an 80-kip-ft bending moment. h1 h2 A« (total area) 10,606.391 psi O 343.813 psi O 543.318 psi 687.954 psi
A symmetrical cross-section of a reinforced concrete shown has a value of f'c = 26.27 MPa and fy = 414 MPa. Calculate the nominal capacity based on the maximum steel area for a tension- controlled condition. Use the following dimensions: b = 498 mm d = 709 mm t = 152 mm web thickness - 152 mm b 1 I d
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

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