The square footing below is built on saturated sand with Ysat = 20 KNSNOTSgroundwater level rises to the surface, how would the long-term bearing capacity change?m.3.conditions. Yw=Use the Terzaghi method and assume the Internal friction angle will not change in these twoKNm310quit,2qult, 11003.00B/6=?)3.00Pand Ø' = 30°. If the(1)(2)20

Given: Square footing dimension, 3 m x 3 m Internal friction, ϕ=30o Saturated unit weight of the…

KN The square footing below is built on saturated sand with Ysat = 20 and Ø' = 30°. If the groundwater level rises to the surface, how would the long-term bearing capacity change? m3 Use the Terzaghi method and assume the Internal friction angle will not change in these two KN conditions. Yw = 10; m³ gult,2 = ?) quit,1 Z P 3.00 1 B/6 3.00 P (1) (2)

KN The square footing below is built on saturated sand with Ysat = 20 and Ø' = 30°. If the groundwater level rises to the surface, how would the long-term bearing capacity change? m3 Use the Terzaghi method and assume the Internal friction angle will not change in these two KN conditions. Yw = 10; m³ gult,2 = ?) quit,1 Z P 3.00 1 B/6 3.00 P (1) (2)

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter17: Settlement Of Shallow Foundations

Section: Chapter Questions

Problem 17.12P

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The square footing below is built on saturated sand with sat KN 20K and Ø' = 30°. If the groundwater level rises to the surface, how would the long-term bearing capacity change? m3 conditions. Yw = 10 qult, 2 =?) qult, 1 Use the Terzaghi method and assume the Internal friction angle will not change in these two KN m3 K P 3.00 B/6 3.00 a = (1) (2) K
L1
Use EC7A strip footing 1.5 m wide is located at a depth of 0.75 m (equal to the foundationthickness) in a sand of unit weight 18 kN/m 3 , the water table being well belowfoundation level. The shear strength parameters are ?k ′ = 0 and ? k ′ = 38º. Thefooting carries a characteristic load of 300 kN/m Gk (including the footing weight) and200 kN/m Q k . Verify the design with respect to strength ifa. the load is verticalb. the Q k is inclined at 10 º to the vertical
1. What is th.maximum shcar in the footing? P= 1200 KN P=1200KN %3D 3m+ Gm 十3m
5A strip footing was constructed on a pure sand which is 1.5 m wide with its base at a depth of 1 m. Using Terzaghi's method, the ultimate bearing capacity of strip footing will be [Take Y₁ = 16 kN/m³, N = 75, Assume general shear failure] 1 (a) 1876 kN/m² (b) 1860 kN/m² (d) 1792 kN/m² (c) 1788 kN/m²
A rectangular footing 3m x 2m exerts a pressure of 100kN/m2on a cohesive soil Es= 5x104 kN/m2and µ = 0.5. Estimate the immediatesettlement at the centre, assuming(a) the footing is flexible (b) the footing is rigid (ii) Write about influence of water table in determination of bearing capacity.
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A rectangular footing of width 2.5m and length 3.5mis resting on a sandy silt at a depth of 3m from the ground surface. The angle of internal friction (phi=20)and cohesion is (c=30kn/m2). The water table is at a great depth. Find the bearing capacity of soil using terzaghi's equation and tje following factor to used. Nc=17.71 Nq=7.4 Ny=5 Factor of safety (F) =3.0 y=35kn/m3
Q2) Find the increasing stress (Ao) at point A, at depth 6 m below the corner of the footing of foundation by using Boussinesq equation and attached table. 3m 660 KN 3 m 1.5 m 6m 3x3 m 6m A pint 1.5 m 40. Table 10.8 Variation of , withm and a Tq (10.30) 0.1 02 04 0.5 07 0.0047 0.0092 00132 0.0092 00179 0.029 0.0328 00132 0.0259 00174 0.0174 00222 001 0.087 00242 0.0474 02 0.0328 00474 0.0602 00711 0.0801 0.O873 00629 0.0801 0047 0.1069 0116 04 0.0711 0.0168 00198 0.0222 00242 0.0873 0.1014 Q1168 0.1277 06 07 0.017 00474
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A footing 2m square is located a depth of 4m in a stiff clay of saturated unit weight 21kN/m3. The undrained strenght of the clay at a depth of 4m is given by the 3 parameters c=120kN/m2 and φ=0o . For a factor of a safety of 3 with respect to shear failure ,What load could be carried by the footing.
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