2. The subsoil at the site consists of a A m thick homogeneous layer of dense sand having the following properties:kNYD = BGs = C$ = D°The natural ground water table lies at E m below the ground surface.a. Determine the shear strength of the soil along a horizontal plane through the middle of the sand layer.b. If during monsoon, the water table rises to the ground level, determine the shear strength of the soil along a horizontal plane through the middleof the sand layer.c. Determine the change in shear strength at the bottom of the sand layer.Problem Data:Last Digit ofStudent NumberABCD6.14172.6533

Answered: Image /qna-images/answer/c43d6baa-a638-4671-ad16-15a0f700e661.jpg

Answered: 2. The subsoil at the site consists of…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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A sandy soil has in place unit weight 18.5 kN/m3 and water content 12%. The void ratio at the densest condition is 0.361, and at the loosest condition is 0.94. Consider Gs = 2.65. Calculate: a. The relative density b. Maximum wet unit weight
A dense silt layer has the following properties: e=0.30, D10=10µm and capillary constant = 0.20cm2 Free ground water level is 8m below the ground surface. Determine the vertical effective stress (kPa) at 5m depth (point A). Assume unit weight of solids = 26.5 KN/m3 and that the soil above the capillary rise and ground surface is partially saturated at 50%.
H1
Dry Sand H, Groundwater Table Clay Refer to the soil profile shown. Given H1 = 8.85 m., and H2 4.01 m If the ground water table rises by 2.19 meters, determine the change in effective stress (numerical value only, in kPa) at the bottom of the clay layer Properties of dry sand Gs = 2.51, e = 0.65 Properties of clay. Gs = 2.72, e = 0.84. Round off to two decimal places. Activate Windows Go to Settings to activate Windows. < Question 18 of 20 2 A Moving to another question will save this response. ASUS C8O CD 80 5n E R- T Y H]
Q: For the soil profile shown in figure. Determine: The effective stress (o') at level (A). Soil 1 k = 0.2 cm/sec Y sat = 19 kN/m³ Soil 2 k = 0.4 cm/sec Y sat = 21 kN/m³ Datum D EL + 2.0 m EL 0.0 m EL - 1.0 m EL - 4.0 m EL - 10.0 m
si
A huge marble boulder on a quarry site sits on the ground. This marble is 10 m by 10 m and has a height of 16 m. The boulder is situated on a 6 m thick soil with e = 0.70, S = 65%, and G, = 2.68, then by a 5 m thick clay with e = 0.80, G, = 2.71 and LL = 48. The water table exists in between the sand-clay interface. The specific gravity of the marble is 2.60. Assuming that the clay is normally consolidated... Q: What is the primary consolidation settlement of the clay layer in mm using approximate method? Round off your answer to the nearest whole number.
A stratified soil is to be analyzed for stresses. The stratified soil is composed of sand, silt, clay and gravel. The 2.80-m thick gravel underlays the 3.60-m thick clay while the 4.0-m thick sand which overlays the 3.0-m thick silt is overlain by the gravel. Ground water table is at a depth of 8.0-m from the surface of the stratified soil. Soils above GWT are dry. Use the given soil properties below, draw the complete soil profile and perform the following requirements: For sand: Yd = 16.35 kN/m³, Ysat = 19.62 kN/m³ For silt: Yd = 19.35 kN/m³, Ysat = 22.22 kN/m³ For clay: Yd = 17.35 kN/m³, Ysat = 20.82 kN/m³ For gravel: Yd = 18.35 kN/m³, Ysat = 21.52 kN/m³ Note for 1a, 1b, 1c, and 1d that there is no capillary rise in the soils. Draw completely the soil profile. 1a. Effective stress at the middle of the sand 1b. Effective stress at the middle of the silt 1c. Effective stress at the middle of the clay 1d. effective stress at the middle of the gravel
Determine the total vertical stress, pore water pressure, and the effective stress of the soil mass at the Centre of the clay layer and at the Centre of the sand layer for the conditions stated below.
A ground profile consists of 2.0 meters silty sand underlain by 3.0 meters of clay. The ground water table is 3.0 meters below the ground surface. The sand has a unit weight of 14 kN/cu.meter. The clay has a unit weight of 16 kN/cu.meter above the water table and 20 kN/cu.meter below the water table. Determine the total soil stress at the bottom of the clay layer.
A 3m deep sand layer has a specific gravity of 2.68 and a void ratio of O.60. Under this layer is a 2.5m deep clay profile with a specific gravity of 2.7 and a moisture content of 30%. The water table is observed at 1m below the ground surface. Determine the effective soil pressure at the midweight of clay.

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