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CE495/MCE555 Advanced Foundation Design *. A spread footing with g60 kPa is placed shown below. Determine...
Net load Problem 1: With the foundation load of 500 kips given, determine: a) the average stress ...
net load Problem 1: With the foundation load of 500 kips given, determine: a) the average stress increase in the clay layer below the center of the foundation using m&n method Sand 4.5 Groundwater b) Consolidation settlement at Point A and Point B c) Differential Settlement 4 ftx4 ft table Sand sal d) The average degree of consolidation (U%) of Point A when the consolidation settlement is 0.5" ,-I 20 lb/ft3 C0.01 ft /day 10ftCe 0.25 e) Consolidation settlement (St)...
10.21 A footing has a size of 2 X 2 m which imposes 150 kPa to...
10.21 A footing has a size of 2 X 2 m which imposes 150 kPa to
the soil profile as shown in Figure 10.27. Determine the
consolidation settlement at the middle of the clay layer.
considering 2:1 pressure distribution and consider variation of
pressure along the soil profile.
10.21 A footing has a size of 2 X 2 m which imposes 150 kPa to the soil profile as show Figure 10.27. Determine the consolidation settlement at the middle of the...
Please, show step by step and clearly. problem 9.17, (Use 3 equally divided sub-layers for the 15...
Please, show step by step and clearly. problem 9.17, (Use 3
equally divided sub-layers for the 15 m clay layer). thanks
please, resolve question 9.17 (Use 3 equally divided sub-layers
for the 15 m clay layer)
9.16 The soil profile and the loading condition are given in the followin n) figure. Total new footing stress including the foundation at z 2 is 400 kN/m2. The soil profile has a rather thick clay layer (15 so that the layer should be...
A 5m wide and 10m long rectangular foundation is built on a site where the soil...
A 5m wide and 10m long rectangular foundation is built on a site where the soil profile consists of 3m of gravel and 4m of clay overlying rigid impermeable rock as shown in Figure 8. The foundation carries a surcharge loading of q=65 kN/m2 Initially the water table is 1 m below the surface of the gravel. The water table rises to the surface of the gravel slowly over a period of time and the surface loading induces an increase...
Two undisturbed clay samples were taken from the middle of the overconsolidated and normally consolidated clay layers in the soil profile shown. The water table is at the top of the overconsolidated c...
Two undisturbed clay samples were taken from the middle of the
overconsolidated and normally consolidated clay layers in the soil
profile shown. The water table is at the top of the
overconsolidated clay layer. Consolidation tests were carried out
on the two samples and the results are summarized in the table
below. Assume that the bulk, dry, and saturated unit weights of the
sand are 16 kN/m3, 16 kN/m3 and 19
kN/m3, respectively. The specific gravity of the clay
soil...
PROBLEM 2. ELO 2 Capable to determine foundation settlement (weighitng5 309630 minutes A rectangular shallow foundation...
PROBLEM 2. ELO 2 Capable to determine foundation settlement (weighitng5 309630 minutes A rectangular shallow foundation with 1.2 mx 1.2 m carried vertical load of 350 kN, laid down at 1,0 m below the ground surface. Soil layer data and GWT given on the sketch A. Determine elastic settlement of the soil (use graph below). ELO 2-3 B. Determine consolidation settlement (assume sand layer under the clay layer to calculate Aa). ELO 2-3 C. Determine time consolidation at the degree...
The Stratum of the clay and loading shown in Figure below: Find: Consolidation settlement after 2...
The Stratum of the clay and loading shown in Figure below:
Find:
Consolidation settlement after 2 years of the construction
(Cv=0.3 m2/year).
Time factor at consolidation settlement of 90%.
Time to reach a 45% consolidation settlement.
Draw he, hp, and ht distributions
X1=6000 X2=7 X3=10 X4=4.8 X5=4.0 Weight of tank+ water + Weight of the columns =X1 KN Tank Columns Fill X, (X, *X, *1) m Footing y= 17 kN/m 4m Sand y= 18 kN/m², = 25° Clay, y= 19...
g=9.81m/s^2 When it say "preconsolidated under vertical effective stress of 130 kPa", this means that the...
g=9.81m/s^2
When it say "preconsolidated under vertical effective stress of
130 kPa", this means that the preconsolidation pressure at the
centre of the clay layer is 130 kPa, NOT that 130 kPa was applied
as a surcharge at the surface.
In the following questions, you do not need to divide the clay layer into multiple layers to calculate the consolidation settlement. Asume the clay to be only one layer q 50 kN/m2 3.0 m dry WT Sand: Ysat 1k -17...
A group pile in clay is shown in the figure below. Determine the maximum vertical load...
A group pile in clay is shown in the figure below. Determine the maximum vertical load Qg can be applied if the allowable consolidation settlement of the pile group is set to be 0.2 m. Use the 2: 1 stress distribution method to estimate the average effective stress in the clay layer. Qg 3 m Sand Groundwater ? table 15.72 kN/m3 Sand 3 m Ysat 18.55 kN/m2 2.5 m x 3 m Group plan 15 mNormally consolidated clay 185 nn...
For the soil profile shown below, calculate the final settlement due to the placement of the...
For the soil profile shown below, calculate the final settlement due to the placement of the sand fill. Estimate the excess pore pressure at a depth of 1.5 m into the third clay layer 1.5 years after the fill is placed. Assume the coefficient of consolidation is Cv = 1.8 m2/yr. Fill y = 16.0 kN/m² (3m thick) Clay 1 (3m thick) Sand (0.5m thick) Clay 2 (2m thick) Sand (0.5m thick) Clay 3 (4m thick) Sand (0.5m thick) eo...
net load Problem 1: With the foundation load of 500 kips given, determine: a) the average stress increase in the clay layer below the center of the foundation using m&n method Sand 4.5 Groundwater b) Consolidation settlement at Point A and Point B c) Differential Settlement 4 ftx4 ft table Sand sal d) The average degree of consolidation (U%) of Point A when the consolidation settlement is 0.5" ,-I 20 lb/ft3 C0.01 ft /day 10ftCe 0.25 e) Consolidation settlement (St)...
10.21 A footing has a size of 2 X 2 m which imposes 150 kPa to
the soil profile as shown in Figure 10.27. Determine the
consolidation settlement at the middle of the clay layer.
considering 2:1 pressure distribution and consider variation of
pressure along the soil profile.
10.21 A footing has a size of 2 X 2 m which imposes 150 kPa to the soil profile as show Figure 10.27. Determine the consolidation settlement at the middle of the...
Please, show step by step and clearly. problem 9.17, (Use 3
equally divided sub-layers for the 15 m clay layer). thanks
please, resolve question 9.17 (Use 3 equally divided sub-layers
for the 15 m clay layer)
9.16 The soil profile and the loading condition are given in the followin n) figure. Total new footing stress including the foundation at z 2 is 400 kN/m2. The soil profile has a rather thick clay layer (15 so that the layer should be...
A 5m wide and 10m long rectangular foundation is built on a site where the soil profile consists of 3m of gravel and 4m of clay overlying rigid impermeable rock as shown in Figure 8. The foundation carries a surcharge loading of q=65 kN/m2 Initially the water table is 1 m below the surface of the gravel. The water table rises to the surface of the gravel slowly over a period of time and the surface loading induces an increase...
Two undisturbed clay samples were taken from the middle of the
overconsolidated and normally consolidated clay layers in the soil
profile shown. The water table is at the top of the
overconsolidated clay layer. Consolidation tests were carried out
on the two samples and the results are summarized in the table
below. Assume that the bulk, dry, and saturated unit weights of the
sand are 16 kN/m3, 16 kN/m3 and 19
kN/m3, respectively. The specific gravity of the clay
soil...
PROBLEM 2. ELO 2 Capable to determine foundation settlement (weighitng5 309630 minutes A rectangular shallow foundation with 1.2 mx 1.2 m carried vertical load of 350 kN, laid down at 1,0 m below the ground surface. Soil layer data and GWT given on the sketch A. Determine elastic settlement of the soil (use graph below). ELO 2-3 B. Determine consolidation settlement (assume sand layer under the clay layer to calculate Aa). ELO 2-3 C. Determine time consolidation at the degree...
The Stratum of the clay and loading shown in Figure below:
Find:
Consolidation settlement after 2 years of the construction
(Cv=0.3 m2/year).
Time factor at consolidation settlement of 90%.
Time to reach a 45% consolidation settlement.
Draw he, hp, and ht distributions
X1=6000 X2=7 X3=10 X4=4.8 X5=4.0 Weight of tank+ water + Weight of the columns =X1 KN Tank Columns Fill X, (X, *X, *1) m Footing y= 17 kN/m 4m Sand y= 18 kN/m², = 25° Clay, y= 19...
g=9.81m/s^2
When it say "preconsolidated under vertical effective stress of
130 kPa", this means that the preconsolidation pressure at the
centre of the clay layer is 130 kPa, NOT that 130 kPa was applied
as a surcharge at the surface.
In the following questions, you do not need to divide the clay layer into multiple layers to calculate the consolidation settlement. Asume the clay to be only one layer q 50 kN/m2 3.0 m dry WT Sand: Ysat 1k -17...
A group pile in clay is shown in the figure below. Determine the maximum vertical load Qg can be applied if the allowable consolidation settlement of the pile group is set to be 0.2 m. Use the 2: 1 stress distribution method to estimate the average effective stress in the clay layer. Qg 3 m Sand Groundwater ? table 15.72 kN/m3 Sand 3 m Ysat 18.55 kN/m2 2.5 m x 3 m Group plan 15 mNormally consolidated clay 185 nn...
For the soil profile shown below, calculate the final settlement due to the placement of the sand fill. Estimate the excess pore pressure at a depth of 1.5 m into the third clay layer 1.5 years after the fill is placed. Assume the coefficient of consolidation is Cv = 1.8 m2/yr. Fill y = 16.0 kN/m² (3m thick) Clay 1 (3m thick) Sand (0.5m thick) Clay 2 (2m thick) Sand (0.5m thick) Clay 3 (4m thick) Sand (0.5m thick) eo...
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