Q1/A square foundation is required to carry a total load of 571 KN in cohesionlesssoil. The water table locates at the base of foundation. Determine the width of thefoundation?. (Use Terzaghi equation)Note:Ya = 16.5 kN/m³Depth of foundation = 1.4 mFactor of safety=300 = 30Ysat 18.4 kN/m³Yw =10 kN/m³Assume the allowable bearing capacity is equal to the actual bearing capacity(actual).

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Answered: Q1/A square foundation is required to…

Principles of Foundation Engineering (MindTap Course List)

8th Edition

ISBN:9781305081550

Author:Braja M. Das

Publisher:Braja M. Das

Chapter4: Shallow Foundations: Ultimate Bearing Capacity

Section: Chapter Questions

Problem 4.2P: A square column foundation has to carry a gross allowable load of 1805 kN (FS = 3). Given: Df = 1.5...

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A rectangular foundation 3.0 × 1.50m carries a uniform load of 40 kN/m². Determine the vertical stress at P which is 3m below the ground surface. Use equivalent point load method. um 3m 0.5m 0.5m 3m Im (1) (2) VEN SETENGG Im- (3) Lieb
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Q3. Determine the allowable vertical load P that can be carried safely by the square pad foundation seen below. Factor of safety will be taken as 2. Unit weight of concrete is 24 kN/m. The column has a cross section of 400mm x 400mm. Use Terzaghi equation. silty clay 1m Y =16.7 kN/m3 0= 150 0.5m 0.80m c=10kPa 2m GWT clayey silt Y= 19.6 kN/m3 0= 250 4.0m c=8kPa
a. At Wlmat depiI W ld you place the mat to make this a fully compensated foundation? b. What should be the factor of safety if the mat is placed at 3.0 m depth? a A 15 m X 20 m mat foundation shown in Figure P10.7 car- ries a building load of 36 MN and is placed at 3.0 m depth below the ground level. a. Find the net applied pressure on the underlying ground. The consolidation tests show that the preconsolidation pressure at the middle of the clay layer is 210 kN/m². b. Is the clay overconsolidated? REFERENCE
A square foundation is to be constructed on a sandy layer as shown. Determine the size of the foundation if FS = 6. [Use Prakash and Saran's method]. [c'Nc(e)Fcs(e) YB 2 Qu = BL [c'Nc(e) Fes(e) + QNq(e) Fas(e) + Ny(e)Frs(e)] 1.2 m 450 kN BX B 70 kN·m Y = 16 kN/m³ c' = 0 $' = 30° Water table Ysat 19 kN/m³ = c' = 0 $' = 30°
PROBLEMS 8.1 Refer to Figure 8.3. For a flexible load area, given: B= 3 m, L=4.6m, q= 180KN/m², D; =2m, H = 00, v= 0.3, and E = 8500KN/m³. Estimate the elastic settlement at the center of the loaded area. Use Eq. (8.14). %3D Foundation B×L Rigid :foundation Flexible foundation H settlement settlement v = Poisson's ratio E = Modulus of elasticity Soil Rock Figure 8.3 Elastic settlement of flexible and rigid foundations. (8.14)
A square column foundation has to carry a gross allowable load of 1800 kN (FS=3). Determine the size of the foundation (B). The water table locates at the base of the foundation as shown in figure 1. Required modification of the bearing capacity equation has to be conducted due to the location of the GWT. Assume any necessary data if need
Problem.№₂3 - The plan of a mat foundation is shown in Figure. Calculate the soil pressure at points A, B, C, D, E, and F. (Note: All column sections are planned to be 0.5 m 3 0.5 m.) All loads shown are factored loads according to ACI 381-11 (2011). 550 KN 2000 KN 5.25 m 2000 KN 550 kN F *K 0.25 m G H 10 m ! B i 660 kN 2000 KN 10 m 2000 KN 660 kN E 600 KN 1600 KN 5.25 m 10 m 1600 KN 470 kN C D *K 0.25 m 9 m 9 m 9 m 0.25 m 0.25 m
Q1: A column foundation (Fig. 1) is 3 mx 2 m in plan. Given: 25%, C-50 kN/m². Using modified Meyerhof's equation and FS-4, determine the net allowable load the Dr-2m. foundation could carry. H 3mx2m 7-168 AN leval
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