The cross section of a continuous one way slab in a building is shown in the figure. The slabs are supported by means of beams that span 3.6 m between simple supports. The dead load on the slab is 3 kPa (besides its own weight) and a live load of 7 kPa. f:=21 MPa, fy=276 MPa. Use 20 mm clear cover. Unit weight of concrete = 24 kN/m³. a. Determine the thickness of slab b. Determine the spacing of 16 mm Ø bars at section CD Determine the spacing of 16 mm Ø bars at section E. C. 300 mm 3300 300 3300 300 mm 3600 mm

The cross section of a continuous one way slab in a building is shown in the figure. The slabs are supported by means of beams that span 3.6 m between simple supports. The dead load on the slab is 3 kPa (besides its own weight) and a live load of 7 kPa. f:=21 MPa, fy=276 MPa. Use 20 mm clear cover. Unit weight of concrete = 24 kN/m³. a. Determine the thickness of slab b. Determine the spacing of 16 mm Ø bars at section CD Determine the spacing of 16 mm Ø bars at section E. C. 300 mm 3300 300 3300 300 mm 3600 mm

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

The reinforced concrete beam has the cross-sectional area shown in the figure with b =12 in., d=16 in., ? steel= 1.571 in.2, determine the largest bending moment that may be applied safely. Takethe elastic moduli ?steel=29(10^3) ksi and ?concrete= 3.6(10^3) ksi. The working stresses are2.39ksi for concrete and 22.145ksi for steel.
Problem 1: Load P 24 kips compressing the concrete cylinder which length is reduced from 12 inches to 11.9970 inches after compression. The diameter increased from 6 inches to 6.003 in. Determine the value of the modulus elasticity E. = 12 in. de = 6 in -
A composite beam is constructed using a steel plate (10 mm x 165 mm) with two wood beams (75 mm x 165 mm) on either side. The wood and steel are securely fastened to act as a single beam. The beam is subjected to a positive bending moment M₂ = 7.05 kN m. Steel- Wood = 11 GPa and Es = 200 GPa. (Enter your answers in MPa. Use the deformation sign convention. Use the general theory for Calculate the maximum tensile and compressive stresses in the wood and steel if Ew composite beams described in the textbook.) maximum tensile stress in wood MPa maximum tensile stress in steel MPa maximum compressive stress in wood MPa maximum compressive stress in steel MPa
The concrete column (300 mm x 300 mm) is reinforced by four steel bars each having diameter of 30 mm as shown in Figure Q1. The working stresses for steel and concrete are 200 MPa and 25 MPa, respectively. Determine the largest axial force P that can be safely applied to the column. Use Est - 200 GPa and Eco = 20 GPa. Dimensions in mm 300 300
Q.3.L
Consider the column section below. It has eight #9 bars. The material properties are as follows: f =4,000 psi, f, = 60 ksi, and E. = 29,000 ksi . The cross-sectional area of a #9 bar is 1.0 in.². 2.5" 8 - #9 Axis of bending 20" 20" 15" 2.5" P M Consider the following hollow column section. It has the same material properties as the column section above. If the tensile strain in the reinforcing bars cannot be lower than 0.0015 when its nominal moment capacity is reached, using the principles of mechanics to determine the maximum axial load P that can be carried by the column. (Ans: 574 kips)
Question A prestressed concrete rectangular beam has area of cross-seciton equal to 36000mm² and moment of inertia of 2.7 x 108 mm4. A prestressing force of 195 kN is applied by tendons at an eccentricity of 55 mm from neutral axis. The loss of stress in steel due to creep of concrete is N/mm². [Take E = 2 × 105 N/mm², Ec = 3 x 105 N/mm² and creep coefficient = 1.50]
2. A 300 mm x 400 mm concrete beam has a span of 5.5m. A post tension force of 600 kN was applied at a point 60mm above the bottom of the beam. Assume concrete would not crack in tension. f.=20.7MPA. Unit weight of concrete is 23.5 kN/m3. Compute the following: а. Deflection due to prestressing force of 600 kN. b. Net deflection of the beam immediately after transfer. 60mm 5.5m
Current Attempt in Progress The two bars shown in the figure are used to support a load P. When unloaded, joint B has coordinates (0, 0). After load P is applied, joint B moves to the coordinate position (0.25 in., -0.65 in.). Assume a = 7 ft, b = 5 ft, and h = 6 ft. Determine the normal strain in each %3D bar. a A y h B Answers: EAB %3D EBC
Steel railroad rails 10 m long are laid with end-to-end clearance of 3 mm at a temperature of 15°C. (a) At what temperature will the rails just come in contact? (b) What stress would be induced in the rails at that temperature if there were no initial clearance? Use a = 11.7 x 106 /°C and E = 200 GPa.
A simply supported wood beam is reinforced with a steel plate of width b as shown in the figure. The beam carries a uniformly distributed load including the weight of the beam) of intensity 273 lb/ft over its 18-ft span. Using b = 4 in. and Est/Ewd = 20, determine the maximum bending stress (in psi) in the steel. Round off the final answer to two decimal places. - 6 in. - 10 in. 1/2 in. -b-
A simply supported wood beam is reinforced with a steel plate of width b as shown in the figure. The beam carries a uniformly distributed load including the weight of the beam) of intensity 279 lb/ft over its 22.3- ft span. Using b = 4 in. and Est/Ewd = 20, determine the maximum bending stress (in psi) in the steel. Round off the final answer to two decimal places. ... 6 in. 10 in. 1/2 in. -b-