An axially loaded tied column must sustain the following service loads: Total Dead Load = 1,000 kN Live Load = 1,600 kN Required Strength, U = 1.2D + 1.6L Reduction Factor = 0.65 Concrete f’c = 28 MPa Steel fy = 420 MPa Determine the required number of vertical bars to be distributed equally on all sides of the column if the column is 500 mm square using bar diameter = 20 mm

An axially loaded tied column must sustain the following service loads: Total Dead Load = 1,000 kN Live Load = 1,600 kN Required Strength, U = 1.2D + 1.6L Reduction Factor = 0.65 Concrete f’c = 28 MPa Steel fy = 420 MPa Determine the required number of vertical bars to be distributed equally on all sides of the column if the column is 500 mm square using bar diameter = 20 mm

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 9.8.9P: Use the composite beam tables and select a W-shape and stud anchors for the following conditions: ...

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An axially loaded tied column must sustain the following service loads: = 1,000 kN = 1,600 kN Total Dead Load Live Load Required Strength, U = 1.2D + 1.6L Reduction Factor Concrete f'G Steel fy 0.65 28 MPa = 420 MPa Determine the required number of vertical bars to be distributed equally on all sides of the column if the column is 500 mm square using bar diameter = 20 mm. 12 O 8 O 16 O4
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
Design economical spacing of 10 mm diameter stirrups for the beam which carries the loads shown. Design shear reinforcement of prestressed beam with the following properties listed. Properties: f^c=28 MPa fy = 276MPa Aps = 800 mm² Ds = 10mm Dm = 18mm fse = 800 MPa fpu = 1500 MPa fpe = 860 MPa Pe = 250kN
An axially loaded tied column must sustain the following service loads: = 1,000 kN = 1,600 kN Total Dead Load Live Load Required Strength, U = 1.2D + 1.6L Reduction Factor Concrete f'c Steel fy 0.65 21 MPa 420 MPa Determine the size of a square column (mm) using an 3% vertical bar steel ratio. 500 550 O 400 450
Details of a rectangular column are as follows: Column width along X-axis-250 mm Column Depth along the Y-axis-600 mm 8-25 mm diameter bars distributed equally along the longer sides. 10 mm diameter ties spaced at 10 mm on centers Concrete 28th day Compressive strength, fc;=20.7 MPa Reinforcing Steel yield strength, fy-415 MPa Assume that compression steel yields. a) Which of the following gives the nominal balanced load Pb (kN). A = 90.4 mm b) Which of the following gives the nominal axial load (kN) that the column n carry at an eccentricity of 200 mm along the X axis from the centroidal Y-axis.
ANSWER KEY a)No torsional reinforcement needed b)s = 100 mm c)Increase beam size
For the following plan it is required to: 1- Design all beams for flexure and shear, where they have additional 30 kN/m distributed factored load 2- Design the columns. The concrete has a strength of 30 MPa, and the yield strength of the steel is 420 MPa. Show full calculations and neat sketches. All dimensions are in m. I 03 B2 0,3 7 B1 Wu=20 kN/m2 B1
Q₁:Design a concrete column shown in figure using fe-28 MPa, fy- 420 MPa, ultimate applied load. P=545 KN B E 1500 P=350 KN b Section (a-a)
With fy = 60,000 psi, select the reinforcing for T-beam AB for the floor system shown. The live load is 80 psf, while the dead load in addition the concrete's weight is 100 psf. Concete is assumed to weigh150 Ib/ft. The slab is 4 inches thick, the effective depth is 24 inches, and the width of the web is 15 inches. A edge L beam T beams 32' 4 @ 12' = 48"
Subject is reinforced concrete design show all steps
1. A two span beam subjected to shear and flexure only is reinforced as follows: SECTION: TOP BARS @ MIDSPAN: 2-⌀20mm @ FACE OF SUPPORTS: 5-⌀20mm SECTION: BOTTOM BARS @ MIDSPAN: 3-⌀20 mm @ FACE IF SUPPORTS: 2-⌀20 mm Given: Stirrup diameter, ds = 10 mm Concrete f'c = 21 MPa Steel rebar fy = 415 MPa Stirrup fy = 275 MPa Beam size b x h = 270 mm x 450 mm Assume all bars laid out in single layer. Calculate the following: a. Design Moment strength of section at midspan for positive bending = ______ kN·m (nearest whole number)
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