EBK FOUNDATION DESIGN
3rd Edition
ISBN: 9780100663039
Author: YEUNG
Publisher: YUZU
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Chapter 2, Problem 2.10QPP
To determine
Whether risk is associated with the failure of design for the foundation in Problem
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The foundation (base) of a long retaining wall is required to support the load (including self-weight of the base and the wall) and moment (this comes from the lateral loads on the wall) shown in Figure below
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Question:-
1. If the foundation system is given a vertical load of 400 kN and a moment of 40 kN m. calculate the safety factor for the foundation system. (Hint: calculate load distribution at the base of the foundation) and If the required design criteria is SF 3.0, does the foundation system still meet the requirements? If not, what is your suggestion to meet the design criteria?
Chapter 2 Solutions
EBK FOUNDATION DESIGN
Ch. 2 - Classify the uncertainty associated with the...Ch. 2 - Figure 2.1 shows the PDF for a normal distribution...Ch. 2 - List three sources of epistemic uncertainty...Ch. 2 - Using a random number generator create a sample of...Ch. 2 - A certain column will carry a dead load estimated...Ch. 2 - A simply supported beam has a length of 3 m and...Ch. 2 - Using the data shown in Figure 2.5 determine the...Ch. 2 - The capacity for a certain foundation system is...Ch. 2 - We wish to design a shallow foundation with a...Ch. 2 - Prob. 2.10QPP
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Similar questions
- A rigid foundation is subjected to a vertical column load, P = 700 kN, as shown in Figure below. Estimate the elastic settlement due to the net applied pressure, Δσ, on the foundation. Given: B = 2m; L = 2m; Df = 1.5m; H = 3m; Es = 13,500 kN/m2; and µs = 0.35. (Useful formula and table can be found from Appendix)arrow_forwardQuestion 01. Using the Fadum chart provided, calculate the total vertical stress due to 200 kPa uniform contact pressure at a depth of 6m below point A for the rectangular raft foundation as per Question 1 part of the attached image. L1 = 7m L2 = 3m B1 = 9m B2 = 4m Question 02. A section of the proposed foundation in Question 01 has an obstruction. A redesign is carried out as shown in Question 2 part of the attached image. The original proposed footprint was maintained, and the section removed from the design has a width of B3 = 2mCalculate the total vertical stress at the same depth below A and the same uniform pressure in Question 01.arrow_forwardi. Discuss about Ultimate Bearing Capacity and types of bearing capacity failures.arrow_forward
- A load of 800 Kip will be distributed on a circular foundation with a diameter of 20 feet, this structure will be located on the existing ground. The soil at the site has a unit weight of 105 lb/ft^3. Prepare a situation diagram to determine the vertical effective stress (lb/ft^2 no decimals) after building and loading the foundation at a point located: a) 12 feet below its center. b) 12 feet below its edge.arrow_forwardBase on the gravity load path shown above, explain what is occurring at each of the labeled points.arrow_forwardA test plate 30 cm x 30 cm resting on a sand deposit settles by 10 mm under a certain O loading intensity. A footing 150 cm × 200 cm resting on the same sand deposit and loaded to the same load intensity settles byarrow_forward
- A regular block of concrete serving as foundation post to a structure has a cross-section of 900 sq.cm and weighs 1000 Pascal per meter. If the overall height of the block is 100cm, compute the total weight of the block in kNarrow_forwardA strip footing 10 ft wide is loaded on the ground surface with a pressure equal to 4177 lb/ft 2 . Calculate vertical stresses at depths of 3, 6, and 12 ft under the center of The footing?arrow_forwardA bridge foundation has a nominal load capacity of 1,700 kN. If the resistance factor for thisfoundation is 0.65, what is the ultimate factored load this foundation can carry using the LRFDmethod?arrow_forward
- The new City Sanitarium is to be constructed in Valenzuela City. After conducting soil tests, the underlying soil of the location of the new sanitarium was found out that has a stiff soil profile. The structure is located 7 km from the nearest source that is capable of producing a Magnitude 6.5 earthquake.The structure will be made of concrete SMRF, a total height of 21 meters and a total weight of 23,456.50 kN. If a similar structure with the same function will be constructed in Puerto Princesa, Palawan, which of the following most nearly gives the height of the structure in Palawan so that its design base shear will not exceed the maximum design base shear of the structure in Valenzuela. Assume that the two structures will have the same weight and the governing total design base shear in Palawan will not exceed the maximum nor be less than the minimum considering its seismic data Group of answer choices a. 8.1 m b. 8.5 m c. 8.9 m d. 8.3 marrow_forwardA single anchor slab is shown in Figure P14.12. Here, H = 0.9 m, h = 0.3 m, γ = 17 kN/m3, and Φ' = 32º. Calculate the ultimate holding capacity of the anchor slab if the width B is (a) 0.3 m, (b) 0.6 m, and (c) = 0.9 m.arrow_forwardThe load required to degrade the structural integrity of a foundation is normally distributed with amean of 22 tons and a standard deviation of 5 tons.(a) While at the site, a fellow engineer asks you the approximate probability that it takes between 17and 27 tons to degrade the foundation. Being knowledgeable in statistics, what you are able totell him off the top of your head?(b) Verify that your estimate in (a) is accurate using R.(c) A similar foundation is to be constructed so that the load required to degrade its integrity is againnormally distributed with a standard deviation of 5 tons, but the improved foundation is requiredto only have a 20% chance to degrade under a 22 ton load or less. What must the mean of thisdistribution be so that the foundation is constructed to the given specifications? Use R.arrow_forward
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