Answered: Q.1 What will be the area of minimum…

Q.1 What will be the area of minimum shear reinforcement in the form of stirrups (Fe415) provided at 250 mm c/c for a beam of width 400 mm? (a) 110 mm² (c) 95 mm² (b) 120 mm² (d) 85 mm²

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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1.13 The section shown in Fig. 3.34 represents a beam in a structure containing prefabricated elements. The total width and total depth are limited to 350mm and 530mm respectively. Tension reinforcement used is four $28 bars. Using fe-28 MP and fy=420 MPa, determine the design moment strength of the section. 65 465 100 125 100 350 125 8 = 0.003 N.A. + 0.85fc T=A,fy T z=d-y
A built-up section is used as a structural member for a two-storey structure. Two channels and angle bars are to be welded to a rolled W section as shown. Determine the following if every section have dimensions in inches equal to : a= 11.10, b= 3.05, c= 0.50, d=3 , e=1/2, f=18.60, g=11.10, h= 0.535, i= 0.87 * Compute the section modulus of the composite section: Use S= Ix/ c, where Ix = moment of inertia of built up section, c= distance from neutral axis to the topmost/ bottommost fiber of the built up section. Compute the radius of gyration with respect to the x-axis Centroidal moment of inertia with respect to the y-axis. Centroidal moment of inertia with respect to the x-axis. Compute the radius of gyration with respect to the y-axis pls help me solve this (T___T) P.S : 3 decimal places
feu = 40 MPa Cover = 3smm fy = 500 MPa fy = 250 MPa Preferred link size = 10mm Question 2 Design the reinforcement for the following one-way slab: Slab thickness,h= %3D 160 mm Design Mid-span Moment, M = 35 kNm Preferred bar sizes = main bar: 12mm; distribution bar: 10mm Q2a. Calculate the steel area required (in mm2per m width). Q2b. Provide main bars and distribution bars.
3. A doubly reinforced beam, which have a base of 310 mm, and an effective depth of 410 mm, is reinforced with steel area of 2163 sq. mm at the bottom, and 1232 sq. mm on the top. Take d': 70 mm, fc' = 21 MPa, and fy = 345 MPa. a) What is the value of "a"? %3! %3D 89.792 mm None of the Choices 92.986 mm 86.707 mm 96.288 mm 99.699 mm
need asap. please be detailed with your solution and box the final answer.
When we design doubly reinforced beams, what is the maximum possible value for Ku to get minimum area of compressive steel area? Select one: a. 0.36 b. 0.4 OC. 0.545 Od. 0.6 e. 0.8 A rectangular beam section has d = 450 mm, dsc = 45 mm and Concrete grade 40 MPa. When neutral axis depth is at its limiting depth, Ast = 3600 mm^2 and Asc = 620 mm^2 were provided to satisfy the design requirement. What is the design Moment capacity (M*) of the section? Select one: a. 692.6 kNm Ob. 584.0 kNm Oc. 466.6 kNm Od. 705.1 kNm Oe. Can not estimate without the value of 'b'
Design a reinforcement of a doubly reinforced beam if the beam has a size of 425 mm x 600 mm. Use fc = 21MPa , fy = 414MPa
2. A piece of wood was cut into 3 pieces as shown below and will form into a l-beam section. Planks 1 will be the top and bottom flange members while the Plank 2 will be the web member. A sample l-beam is shown below. In addition to that, a steel plate will be installed (at the center) at the bottom of the l-beam to ensure its strength. Calculate the I subscript x with bar on top end subscript (Moment of Inertia with respect to centroidal x-axis) of the built section. b top flange h bot flange 1 1 3b b 3b 8 4 8 tp Wp Given o b = 2.1 cm h = 36 cm tp = 0.55 cm wp = 21 cm 2. web
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
Given a concrete column that would be required to support loads of Pu=400kips and Mu=50 kip-feet, we will determine the column interaction curve and decide if the column is adequate for this particular application. The column will be a 14”x14” square, tied column with #9 bars at the corners. The center of the reinforcement in each corner is 3” from each of the sides. The f’c of the concrete is 4 ksi and the reinforcement is Grade 60. Determine if the column is acceptable for this application. Calculate the value of Mu and Pu.
4.3 A simply supported beam is reinforced with 5-ϕ25 mm at the bottom and 2-ϕ20 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: Calculate: 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)
Situation III: Given the grouped data for the strengths of the reinforcing steel bars. 7. Determine the mean. 8. Determine the median. 9. Determine the mode. Bar Strength Number of (MPa) bars. 240-269 7 270-299 11 300-329 4 330-359 17 360-389 22