A footing of size 2m x 2m transferring a pressureof 200 kN/m2, is placed at depth of 1.5 m belowthe ground as shown in the figure (not drawn tothe scale). The clay stratum is normallyconsolidated. The clay has specific gravity of 2.65and compression index of 0.3.200 kN/m?1.5 mGWTYa = 15 kN/m18 kN/melemiu1 mSilty SandYsat =10.5 m1.5 mClayYat = 17 kN/mDense SandConsideration 2:1 (vertical to horizontal) methodof load distribution and ywprimary consolidation settlement (in mm, roundoff to two decimal places) of the clay stratum is10kN/m, the

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Engineering

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A footing of size 2m x 2m transferring a of 200 kN/m2, is placed at depth of 1.5 m below drown to

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter17: Subsoil Exploration

Section: Chapter Questions

Problem 17.14P

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Concept explainers

Masonry wall construction

Masonry walls of various sorts are utilized in building construction. Masonry walls are the most enduring feature of any structure or building. It separates a structure from the outside world. In masonry construction, the common masonry materials used are building stone, brick, cast stone, glass block, and concrete block. Masonry construction is a type of construction that has the highest durability.

Question

A footing of size 2m x 2m transferring a pressure
of 200 kN/m2, is placed at depth of 1.5 m below
the ground as shown in the figure (not drawn to
the scale). The clay stratum is normally
consolidated. The clay has specific gravity of 2.65
and compression index of 0.3.
200 kN/m?
1.5 m
GWT
Ya = 15 kN/m
18 kN/m
elemiu
1 m
Silty Sand
Ysat =
10.5 m
1.5 m
Clay
Yat = 17 kN/m
Dense Sand
Consideration 2:1 (vertical to horizontal) method
of load distribution and yw
primary consolidation settlement (in mm, round
off to two decimal places) of the clay stratum is
10kN/m, the

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The square footing shown in the figure carries a load of 3500 kN. Assume that the stress below the footing is distributed at a slope of 1H:2V. The clay layer is overconsolidated with OCR=2. Pls answer asap. 3 decimal places.
A footing of size 2m×2m transferring a pressure of 200 kN/m², is placed at a depth of 1.5 m below the ground as shown in the figure (not drawn to the scale). The clay stratum is normally consolidated. The clay has specific gravity of 2.65 and compression index of 0.3. 1.5m 1m 1.5 m 200 kN/m² Silty sand Clay Ya =15kN/m³ Y sat = 18kN/m³ Y sat = 17 kN/m³ GWT $0.5 m Dense sand Considering 2:1 (vertical to horizontal) method of load distribution and Y₁ = 10kN/m³, the primary consolida- tion settlement (in mm, round off to two decimal places) of the clay stratum is
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Determine the consolidation settlement ofthe 4-m thick clay layer shown in the figurethat will result from the load carried by thefooting measuring 3 m x 1.5 m in the figure.Assume the clay to be normally consolidatedand the load of footing results to an increasein pressure of 23.2 kPa, 12.22 kPa, and 6.1kPa at the top, mid-height, and bottomportion, respectively of the clay layer.a) Calculate the overburden pressure at thebase of the footing in kPab) Calculate the initial effective stress at themid-height of the clay layerc) Calculate the consolidation settlement ofthe clay layer
Show full solutions and informative drawings. 1. Determine the average pressure using Simpon's rule 2. Determine the primary consolidation settlement of the clay layer if it is normally consolidated. NOTES: Correction in the figure. Gs is not 45. The liquid limit is 45. The footing is a square footing 3m x3m
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A
CEN-333 Geotechnical
Q-1: The subsoil profile of a proposed site of construction is shown below, a square footing of 2m x 2m carries a load of 1000 kN and is laid with its base at 1m depth below ground surface assuming that post construction settlement in sand is negligble determine the consolidation settlement of clay layer on account of construction. There is geological evidence, clay is NC, use 2 vertical and 1 horizontal for load dispression to estimate the stress increase in clay layer. 1000 KN 2m 2 m 3 m 1m 7 W₁ = 40% G = 2.7 W₁ = 60% Rock Soil Profile Sand y = 16 kN/m³ Sand Y = 20 kN/m³ Clay Y = 19 kN/m³ W.T
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A square footing of dimension 1.5m x 1.5m carries a load of 890 kN as shown in the image: Determine the following: (d) primary settlement for normally consolidated clay using exact equation for additional pressure at midpoint of clay. (e) primary settlement for normally consolidated clay using approximate equation for additional pressure at midpoint of clay.
A 5-ft fill is to be placed over the following soil profile shown below. Determine if the clay is normally consolidated or over-consolidated. The pre-consolidation pressure (past maximum consolidation stress) of the clay is 1000 lb/ft3. 5 ft 2 ft 4 ft Proposed Fill, y = 120 lb/ft³ Sand Clay Rock 2 ft A Ydry = 100 lb/ft³ Ground water table Ysat 110 lb/ft³ = o'= Pc = 1000 lb/ft²