Problem Set: Given is the partial floor plan of a certain building. a) Determine the load diagram of girder G-2 in gridline 5. b) Determine the allowable section with a ratio of d=2b of beam B-4 in gridline F/4-5 if the allowable bending stress is not to exceed 25 MPa. Assume the beam is adequately braced. (5) 5m 4m 15 kPa B-1 4m B-1 15 kPa 2.5m B-2 STAIRWELL B-2 5 kPa B-3 -5m 10 kPa B-3 G-1 G-2 10 kPa G-1 15 kPa B-4 -4m B-4 15 kPa B-1 B-1

Problem Set: Given is the partial floor plan of a certain building. a) Determine the load diagram of girder G-2 in gridline 5. b) Determine the allowable section with a ratio of d=2b of beam B-4 in gridline F/4-5 if the allowable bending stress is not to exceed 25 MPa. Assume the beam is adequately braced. (5) 5m 4m 15 kPa B-1 4m B-1 15 kPa 2.5m B-2 STAIRWELL B-2 5 kPa B-3 -5m 10 kPa B-3 G-1 G-2 10 kPa G-1 15 kPa B-4 -4m B-4 15 kPa B-1 B-1

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

A traffic light signal pole is subjected to the weight of each traffic signal 45 lbs and the weight of the road lamp 55 lbs . The weight of lateral arms is included in the signal and lamp weights. The people is fixed and the base and is made of round structural steel section HSS 14.000 x 0.25. The details of the pole section may be obtained form the Manual of American society of steel Construction (AISC Steel Manual). Analyze the principle normal stresses and the maximum shear stresses on elements A and B located at the base in the pole as shown in the sketch below.
A simply supported rectangular beam of length 6.45m has a width of 390.5mm and an effective depth of610.5mm. The beam is to be reinforced using 12 ?? bars. The beam supports service dead loads ofWd = 13.5kN/m and WL = 35.5kN/m. f'c = 28Mpa and fy=420 MPa Given: b= 390.5 mm d= 610.5mm L= 6.45 m Wd = 13.5 kN/m WL = 35.5 kN/m 1. Calculate the ultimate moment capacity of the beam.2. Calculate the height of the equivalent stress block.3. Determine the number of bars required for this beam.
Consider the loads of the figure to be axially applied at sections B, C, and D to the concrete structure supported at A. IW E F P G 5 kN 5 kN A Determine P in kN when member BC is 24 mm in diameter, the axial stress in section F is 588 MPa, and W 309822 N. = 10 kN C 10 kN Rigid -bearing plates
3. Calculate the design moment strength øM „ for a rectangular reinforced concrete cross section having a width b of 325 mm and an effective depth d of 600 mm. The tension reinforcing steel is 4- D25 bars. f. = 27.6 MPa and f, = 276 MPa . %3D
A column ABC is constructed with uniform hollow circular section as shown below. The roof load at the top of column is 50 kN and the floor load at mid height is 150 kN. The compressive stresses in the portion AB and BC are and respectively. 50 kN 200 mm 150 kN 15 mm X-X C.
Design the 6m-simple beam that supports a uniform live load of 1200N/m and concentrated dead loads of 500 N located at one-third andtwo-third of the span (this excludes the beam weight). Assume arectangular section and the reinforcement will be placed 70mm fromthe concrete face. fc’ = 27 MPa and fy = 350 MPa.
The lap joint is fastened with four ¾ inch diameter rivets. The working stresses are 14 ksi for the rivets in shear and 18 ksi for the plates in bearing. Find the maximum safe axial load P that can be applied to the joint. Assume that the load is equally distributed among the rivets.
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
a) Write and explain one advantage and onedisadvantage of using intermediate stiffeners in plate girders. b) If a plate girder design was initially determined to require intermediate stiffeners, but one optedtonot use them, how else could the plate girder be designed to achieve the same shaer capacity. c) A w-shepe beam is bent in bi-axial bending. All loading passes through its shear center. Please explain why the flexural strenght about its weak axis is the fullplastic moment capacity regardless of Lb
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)
ㅏ 2m 2P 2m B Im 4cm 8cm 4cm 4cm 12cm 4cm An overhanging beam is constructed by four wood plates with rectangular cross-section by nails as shown in the figure. If the allowable stresses are oo-10 MPa and t-1 MPa: a) Determine the load P that the beam can carry safely. b) If each nail can support a shear force of Q=2 kN, determine the required nail spacing e using the load P calculated in question (a).