Figure 2 shows the zone of capillary rise within a clay layer above the groundwater table. Using: H1 = 3 m., H2 = 2 m., H3 = 4 m. a.What is the value of the total stress 9m below the ground surface in kPa? b.What is the value of the effective stress 5m below the ground surface in kPa? c.What is the value of the effective stress 9m below the ground surface in kPa?

Figure 2 shows the zone of capillary rise within a clay layer above the groundwater table. Using: H1 = 3 m., H2 = 2 m., H3 = 4 m. a.What is the value of the total stress 9m below the ground surface in kPa? b.What is the value of the effective stress 5m below the ground surface in kPa? c.What is the value of the effective stress 9m below the ground surface in kPa?

Principles of Foundation Engineering (MindTap Course List)

9th Edition

ISBN:9781337705028

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter9: Settlement Of Shallow Foundations

Section: Chapter Questions

Problem 9.5P

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Qi/ A 5m deep deposit of silty sand lies above a 4m deep deposit of gravel. The gravel is under- lain by a deep layer of stiff clay. The ground water table is found 2m below the ground surlace. The Soil properties are :- of sand below GWT = 1.75 Mg/m³ Isat of gravel 2.05 Mg/m ³ Isat of sand above G.WT = 1.7 Mg/m²³ 2 Draw The distribution of vertical total stress, Pore water pressure, and vertical effective stress with depth down to the clay layer. P = 1.7 My/m²³- $t1 = 1.95 Mg/m³, silty sand Seat - 2.05 Mg/m²/ G.L G.WT I gravel still clay) 4m
Answers a) 47.06 kPa b) 78.03 kPa c) 108.30 kPa
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. The soil profile at a site consists of 2 m of sand underlain by 6 m of clay, which is underlain by very stiff clay that can be assumed to be impervious and incompressible. The water table lies 1.5 m below the ground level. The soil properties are as follows:Sand: gsat 5 18.5 kN/m3, gm 5 17.0 kN/m3Clay: e0 5 0.810, gsat 5 19.0 kN/m3, cv 5 4.5 m2/yearWhen the ground is surcharged with 3 m-high compacted fill with a bulk unit weight of 19 kN/m3, the settlement was 160 mm in the first year.a. What would be the settlement in two years?b. After one year since the fill was placed, what would be the pore water pressure and the effective stress at the middle of the clay layer?c. If the clay is normally consolidated, estimate the compression index and the coefficient of volume compressibilit
Subject : Geotechnical Engineering Please give me both a and b right solutions.. Read the question carefully
7. Assume the water table drops 3 feet for the soil profile shown. What settlement will occur? Assume the unit weights above the water table for the initial condition will extend downward to the water table at its new position. 14' V Sand, y = 110 lb/ft³ Sand, Ysat 116 lb/ft³ = Cc = 0.25 C₁ = 0.06 e, = 0.9 N.C. clay Ysat = 120 lb/ft³ sand
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A clay s tratum(e) thick is locatrd at depth of (6m) from the ground Sarface The natural Mo's fure Con tent of the clay is (s6%) oind Gc-275 The Sil sthafum between the ground sur face and the clay Consist of fine Sand. The water table is focuteel at deth of czm) below the ground Srface, The Sum berge d unit weiglt of fine Sand is (la.5) kNhn3 and its moist unit weight akeive woter table is (18.68 ENm) Caleutate the effective stress at the Center of the clay tayer.
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