QUESTION 2A rectangular footing 1000 x 2000 mm shown below is subjected to a vertical pointload of 600 kN acting at eccentricities ex = 200 mm and eyy = 100 mm, as show onthe Figure below.Calculate the stresses at the corners A and D, and sketch the stress distribution alongthe face A-D.е 200 mmVertical force= 600 kNBeyy =100 mm1 mD.2mRectangular footing - Plane

Answered: Image /qna-images/answer/d63e3b5c-3e31-45f5-b4cf-4337cff34f5b.jpg

Answered: A rectangular footing 1000 x 2000 mm…

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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Q#4: Plate load test performed on a uniform deposit of sand and the following observations were recorded. The size of the plate was 45cm x 45cm. Plot the Pressure-Settlement Curve and determine the safe load on a footing 2m x 2m if the settlement is not to exceed 40mm. Pressure (kPa) 2 4 8 12 16 24 Settlement (mm) 3 6 20 40 60 100 Note: Write the proper answer in word format Subject: Geotechnical Design
A 1.2 meter wide long (strip) footing carries a wall loading of 48 kN per meter of wall length. What vertical stress increase results below the center of the footing at depths of 1 meter, 2 meter, and 4 meter, assuming: (a) Boussinesq conditions apply.(b) Westergaard conditions apply. (c) Show all work
The masonry pier is subjected to the F = 780 kN load. Consider x = 0.25 mm and y = 0.5 mm. Neglect the weight of the pier. Part A Determine the normal stress at corner A. Express your answer with the appropriate units. Part B Determine the normal stress at corner B. Express your answer with the appropriate units. Part C Determine the normal stress at corner C. Express your answer with the appropriate units.
A 30-cm square steel bearing plate lies between a 20-cm diameter wooden post and a concrete footing as shown below. Determine the maximum value of the load P if the stress in wood is limited to 12600 kPa and that in concrete to 4550 kPa.
Two foundations are located next to each other as follows. Determine the stress increase on a horizontal plane (i.e. - the increase in vertical stress) beneath Point A at a depth of 3 m below the ground surface. The foundations are bearing on the ground surface. 3 m- +2.5 m -6 m 5 m A O= 90 kPa = 120 kPa 6 m
15) Calculate the corresponding depth of uniform stress block in a reinforced concrete beam 500 deep reinforced with bars 20-mm in diameter enclosed with 10-mm-dia stirrups when the tensile steel strain is 0.008 and concrete compression strain is 0.003. f'c = 20 MPa. Express your answer in 2 decimal places only in mm.
Calculate: a.) The unit weight of soil at a depth of 3m below the ground surface. b.) The normal stress of soil at a depth of 3m below the ground surface. c.) The potential shear strength of the soil at a depth of 3m below the ground surface when the water table is at a depth of 3.5m and the soil is cohesionless. d.) The modified value of the shear strength if the water table reaches the ground surface. e.) The modified value of the shear strength if the water table reaches the ground surface but the soil has a cohesion of 12 kPa.
Answer the following problem and show your solution 1. A 400 mm concrete wall supports a DL= 200 kN and LL =146 kN. The allowable bearing pressure is 216 kPa at the level bottom of the footing which is H=1.2m below the grade. Weight of concrete is 24 kN/m^3 and that of soil is 16kN/m^3. Thickness of footing is 300mm with an effective depth of 225mm. use load combination of U=1.4DL+1.7LL f'c-28 MPa, fy=248MPa. Use 28 mm diameter reinforcing bars. Normal weight concrete λ=1.0 a. Determine the effective soil pressure b. Find the width of the wall footing c. Compute the spacing of 28mm diameter steel reinforcement
Q4: Use the rectangular loaded area to calculate the increase in vertical stresses at points (A) and (B) due to the loaded area of footing. Choose figure (1) or (2). Top view Top view it. awT CLAY 1 CLAY 1 CLAY 2 10m x 10m 150² INCOMPRESSIBLE Figure (1) B G.W.T ME CLAY 1 CLAY 1 CLAY 2 YA 10mX10m 7-15076 INCOMPRESSIBLE Figure (2)
A rectangular footing 2.0 m x 2.5 m carries three columns at distances from the footing center as shown below. The column loads are: P₁ = 400 kN and P₂ = P3= 200 kN. For the soil profile and properties given, check the safety factor against bearing capacity failure. (Use yw = 10 kN/m³) 0.4 m 0.2 m 2 N Depth be w surface in meters 4 C. 3 (a TENT 7 8 Note: pictures are not drawn to sale 00 0.8 m B 0.8 m 3 Water table ROCK Soil surface WIT Sand c = 0 kPa, = 30° = 16 kN/m³ Y Ysat = 20 kN/m³ Es = 12 MPa, v = 0.3 Clay c = 60 kPa, = 0° Y = 14 kN/m³ Ysat = 19 kN/m³ Cc = 0.3, Cs = 0.1 eo = 1.0 P= 245 kPa

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