4-punching shear failure can be solved by increasing footing length and width Select one: True False 5-minimum eccentricity to avoid tension on soil is L/6 Select one: True False 6-strap foting is used instead of combined footing for columns spacing larger than 6 m Şelect one: True False 7- in combined footings the 1-way shear is the critical Select one: True False

4-punching shear failure can be solved by increasing footing length and width Select one: True False 5-minimum eccentricity to avoid tension on soil is L/6 Select one: True False 6-strap foting is used instead of combined footing for columns spacing larger than 6 m Şelect one: True False 7- in combined footings the 1-way shear is the critical Select one: True False

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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A square column with side dimension of 40 mm rests on top of a timber footing. It is determined that the column carries an axial load of 621 kN. If the punching strength of concrete is 17.40 MPa, determine the minimum thickness (mm) of the footing.
Give me right answer with short explanation. Which of the following statements about the Hillerborg strip method of design for concrete slabs is correct? a. The engineer is free to decide how the applied load will be carried b. All of the answers provided are correct c. Twisting moments are NOT accounted for in the calculations d. The method provides a popular means of designing two-way spanning slabs e. The method gives safe (conservative) estimates of slab capacity
A square footing is to support a 445mm square tied column that carries service dead load of PDL and service live load of PLL. The base of the footing is 2.50m below the natural grade line where the allowable soil pressure is 300 kPa. The soil above the footing has a water content of 30.5% and mass specific gravity of 1.96 and unit weight of concrete as 23.50 kN/m?. Use compressive strength of 28 MPa. Design the footing using NSCP 2015 provisions. DL = 32240 kN LL = 93850 kN
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a square footing 2.4 m x 0.34 m thick supports a 300 mm square column at its center. column loads are at service conditions dl = 346 kn, ll = 231 kn, fc' = 21 mpa, and fy = 415 mpa. concrete cover to the centroid of steel reinforcement is 100 mm. calculate the nominal one way shear stress in the slab
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A square column with side dimension of 40 mm rests on top of a timber footing. It is determined that the column carries an axial load of 621 kN. If the punching strength of concrete is 17.40 MPa, determine the minimum thickness (mm) of the footing.
1) Design a rectangular footing for an 16” square corner Column with PDL = 280 kips and PLL = 180 Kips. Make the length of the long side about 1.5 the width of the short side. Fy = 60 ksi F’o= 4000 psi for both, column and footing. Assume the base of the footing is 4'-6" below grade and the depth of the footing is 26". The soil weight is 100 PCF. (Normal weight concrete, No epoxy coating, The Column is reinforced with eight #8 bars.) Need to design for load transfer from the Column to the foating. Need to Show the development length for the dowels. Need to design the bars for footing at both directions. Need to check if the bars fit the footing based on the development legth. Need to show two-way footing Spacing diagram.
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