Q-2) A (2 m) wide square footing is to be embedded at (1.5 m) below ground surface. Consider the groundwater table to be very deep. The variations of (y) and (q.) with depth are presented in Table below. The foundation is designed for a gross safe pressure of (250 kPa). Predict the footing immediate settlement (10 years) after the construction, using Schmertmann's method. [Answer = 34.4 mm]. Depth below G.S (m) 0-2 2-5 5 and below y (kN/m³) qe (kPa) 18 6000 17 5000 19 7500

Q-2) A (2 m) wide square footing is to be embedded at (1.5 m) below ground surface. Consider the groundwater table to be very deep. The variations of (y) and (q.) with depth are presented in Table below. The foundation is designed for a gross safe pressure of (250 kPa). Predict the footing immediate settlement (10 years) after the construction, using Schmertmann's method. [Answer = 34.4 mm]. Depth below G.S (m) 0-2 2-5 5 and below y (kN/m³) qe (kPa) 18 6000 17 5000 19 7500

Principles of Foundation Engineering (MindTap Course List)

9th Edition

ISBN:9781337705028

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter6: Shallow Foundations: Ultimate Bearing Capacity

Section: Chapter Questions

Problem 6.17P: A 2.0 m 2.0 m square pad footing will be placed in a normally consolidated clay soil to carry a...

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Figure (a) shows the cross section of square footing of 3 m x 3 m. The soil properties are shown in the figure. i) ii) Determine the load Q that the footing can carry. Use the factor of safety (FOS) of 2.5. During rainy season, groundwater level increased to the soil surface. Based on this condition, calculate the new FOS and justify whether the existing footing is able to carry the same amount of load as calculated in (a) Not drawn to scale 1.6 m 0.4 m Water level 3m Q Soil properties Yd=18.3K³ Ysat = 21 kN/m³ = 30°
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A square footing having the dimension of 24 x24 (B=L=24) is to beconstructed on a deep clay deposit. Superstructural stress is calculated as 150 kPa. Thefoundation will rest at the depth of 2 m from the surface. The groundwater table is located onthe surface and the saturated unit weight of the clay is 17 kN/m3. Determine the depth of theborehole considering both de Beer’s rule and the Turkish Earthquake Code (2018).
1. A 4ft by 4ft spread footing is proposed where the bottom of footing is set 2ft below grade. The column bearing on this footing will impose a load of 180kips. Assuming the subsurface conditions shown below with groundwater 5ft below grade, Use Schmertman's method to calculate the elastic settlement of the system 6 years after construction is completed, provide a clear sketch and show units and state assumptions. Oft Sand Ymoist = 120 pcf Phi = 30deg Es = 52 ksf 4ft Loose Sand 5ft Ymoist = 125 pcf Yat = 145 pcf Phi = 22deg Es (above GW) = 30 ksf Es (below GW) = 20 ksf 8ft Dense Sand Ysat = 155 pcf Phi = 35deg Es = 60 ksf 20ft 2. The foundation above is limited to a 1.5" settlement after 10 years, speak to whether the design is adequate and if not how can you adjust the project to meet this criteria.
A structural engineer finished a design of a library. They determine that each column will carry 1000 lbs. the soil beneath the footing has the properties: gamma= 130 pcf, c= 75psf, phi= 40 degrees. The groundwater table is of great depth so it’s no concern. Sketch figures. What is the minimum size of the footing for a factor of safety of 3? Case 1: assume square footing Case 2: assume round footing
Rectangular footing (4m x 5m) was supported by a saturated clay layer with a thickness of 5m. If the second layer (below the clay) was a saturated sand. The settlement that could be occurred in this site: a. Is only consolidation settlement b. None of the given answers are correct c. Is a short term settlement d. Is only long term settlement
Question 3. A strip footing is to be used in a clay soil in which the imposed load is 1 MN/m length. The clay layer is 7.0 m thick and overlies a stiff, fractured siltstone. The water table lies at a depth of 2.0 m. a. Determine the footing width based on the long-term allowable bearing capacity (calculated according to the method in the Canadian Foundation Engineering Manual; neglect depth factors) using a factor of safety of 3.0 for a burial depth of 2.0 m. The material properties of the clay are: c' = 15 E = 42 MPa o' = 27° y= 18.5 kN/m³ Ce = 0.40 e, = 0.90 C, = 9.3 x 104m²/day Cu = 25 b. Why would bearing capacity failure likely not govern the design of this structure?
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A strip footing carries a load 14506 lbs per foot of length. The footing has a width of 2.3 ft. Determine the increase in vertical stress directly below the center of the footing at a depth of 0.8 ft. Provide your answer in psf, to 2 decimal place. Do not include units in your response.
Answer asap for upvote. A 1.4 m wide footing is embedded 2.35m beneath the ground surface. The investigation indicated a unit weight equal to 18.23 kN/m3. The cohesion is 15.7 kPa. The saturated unit weight of the soil is 19.10 kN/m3 Determine the net allowable load (kN) that can be carried by the footing if the groundwater table is 0.54m below the footing. Assume footing is a circle Terzaghi's Bearing Capacity A soil report for an undisclosed location summarizes the parameters for the ground strata below: Angle of internal friction, Φ = 34 degrees Factor of safety on bearing capacity = 3
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A 4ft by 4ft spread footing is proposed where the bottom of footing is set 2ft below grade. The column bearing on this footing will impose a load of 180kips. Assuming the subsurface conditions shown below with groundwater 5ft below grade, Use Schmertman’s method to calculate the elastic settlement of the system 6 years after construction is completed, provide a clear sketch and show units and state assumptions.