A square foundation, 2.5 × 2.5 m in size, supports a column load
of 478 kN. The soil characteristics are given in the figure
below.
A. Estimate the average stress increase in the clay layer due to
the applied load.
B. Estimate the primary consolidation settlement.
Homework Answers
Answers are boxed
Add Answer to:
A square foundation, 2.5 × 2.5 m in size, supports a column load
of 478 kN....
Problem 7: (30 points) A square foundation, 2.5 x 2.5 m in size, supports a column...
Problem 7: (30 points) A square foundation, 2.5 x 2.5 m in size, supports a column load of 478 kN. The soil characteristics are given in the figure below. A. Estimate the average stress increase in the clay layer due to the applied load. B. Estimate the primary consolidation settlement 478 KN 1.5 m 2.5 m2.5 m 16 km GWT 1.75m 1 IRSIN. W 1996 G-2.71 2-37 - 65 km C-15 C -0.240 7- 20 ANS Sund Clay ty @...
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...
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)...
TO. A uniformly distributed surcharge of T50 kN/m2 was applied at the ground surface of the...
TO. A uniformly distributed surcharge of T50 kN/m2 was applied at the ground surface of the soil profile shown below. Based on the consolidation laboratory ratio is 0.8, compression index is 0.45 and swell index is 0.1, det (30 points) results, the initial void ermine the following: A) Effective stress and pore water pressure at the mid-depth of layer 4. B) Primary consolidation settlement if the clay layer is normally consolidated. C) Primary consolidation settlement if the precompression pressure i5...
A 2-m thick of compacted soil of unit weight 20 kN/m3 will be placed on the top of the ground surface. Δσ y...
A 2-m thick of compacted soil of unit weight 20 kN/m3 will be placed on the top of the ground surface. Δσ y 14.0 kN/m3 3.0 m Sand Y 17.5 kN/m3 2.0 m 3.0m A Soft clay y= 13.5 kN/m3 6.0 m Medium clay y=15.0 kN/m3 B 4.0 m Bedrock a) Before placing the compacted soil, what are the overconsolidation ratios (OCR) for point A and B? b) When placing the compacted soil, what external load Ag would be? c)...
Problem 2. [2596] Figure 2 shows a soil profile. The uniformly distributed load on the ground...
Problem 2. [2596] Figure 2 shows a soil profile. The uniformly distributed load on the ground surface is (1) Estimate the primary consolidation settlement of the clay layer due to the application of Ap. (2) If the clay layer is preconsolidated and the average preconsolidation pressure is 80 kPa, what will be the expected primary consolidation settlement if the recompression index is C 0.2 x Cc? p 87 kPa 1 m Dry Sand Sand: Saturated Sand Dry Unit weight: 14.6...
mblem No. 3 ( 30%) A steel eil tank with flexible foundation, 50m diameter and 12m height has oil y-9.42 kN The foundation soil is 3.3m of sand Ф.35° and Y-18.85 kNm' overlaying a layer of un...
mblem No. 3 ( 30%) A steel eil tank with flexible foundation, 50m diameter and 12m height has oil y-9.42 kN The foundation soil is 3.3m of sand Ф.35° and Y-18.85 kNm' overlaying a layer of uniform. armally consolidated clay of 17tn thick with Ф-10° and Y-17.3 kN/m.c_ 12 kNtn.c -127 and C-04 underlain by another layer of sand. The water table is at the surface level. Oedometer test on a 2.54cm thick, doubly-drained sample from the clay stratum attained...
please show step by step (also show how to find the vertical stress increase) 18 A...
please show step by step (also show how to find the vertical stress
increase)
18 A new petroleum storage tank is proposed at an oil refinery to be supported by a 20-meter diameter slab foundation at the ground surface. The structure will produce a uniform load of 110 kN/m2 on the entire slab foundation. A subsurface investigation has revealed the shown soil profile. A series of laboratory tests on representative samples obtained from the clay stratum has resulted in the...
Question-5 (20%): If a rectangular foundation of a dimension 1 X 1m with a load equal...
Question-5 (20%): If a rectangular foundation of a dimension 1 X 1m with a load equal to 200 kN is placed at Im below the ground level as shown in the figure below. Calculate the maximum elastic settlement and settlement caused by primary consolidation due to the imposed load knowing that the clay is normally consolidated clay Ground level Es (kN/m2) 10000 Yd = 15 kN/m3 3m 5m Sand B000 Hs =0.3 2m Cc = 0.3 Ysat = 20 kN/m...
A 2 m wide continuous foundation carrying a 260 kN/m wall load is placed at a...
A 2 m wide continuous foundation carrying a 260 kN/m wall load is placed at a depth of 1.0 m in sand where the unit weight is 19.0 kN/m3 and (N)so is 32. Assuming Poisson's ratio of 0.15, estimate the settlement of the foundation. Use the procedure outlined in Section 9.7. 9.15
Problem 7: (30 points) A square foundation, 2.5 x 2.5 m in size, supports a column load of 478 kN. The soil characteristics are given in the figure below. A. Estimate the average stress increase in the clay layer due to the applied load. B. Estimate the primary consolidation settlement 478 KN 1.5 m 2.5 m2.5 m 16 km GWT 1.75m 1 IRSIN. W 1996 G-2.71 2-37 - 65 km C-15 C -0.240 7- 20 ANS Sund Clay ty @...
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...
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)...
TO. A uniformly distributed surcharge of T50 kN/m2 was applied at the ground surface of the soil profile shown below. Based on the consolidation laboratory ratio is 0.8, compression index is 0.45 and swell index is 0.1, det (30 points) results, the initial void ermine the following: A) Effective stress and pore water pressure at the mid-depth of layer 4. B) Primary consolidation settlement if the clay layer is normally consolidated. C) Primary consolidation settlement if the precompression pressure i5...
A 2-m thick of compacted soil of unit weight 20 kN/m3 will be placed on the top of the ground surface. Δσ y 14.0 kN/m3 3.0 m Sand Y 17.5 kN/m3 2.0 m 3.0m A Soft clay y= 13.5 kN/m3 6.0 m Medium clay y=15.0 kN/m3 B 4.0 m Bedrock a) Before placing the compacted soil, what are the overconsolidation ratios (OCR) for point A and B? b) When placing the compacted soil, what external load Ag would be? c)...
Problem 2. [2596] Figure 2 shows a soil profile. The uniformly distributed load on the ground surface is (1) Estimate the primary consolidation settlement of the clay layer due to the application of Ap. (2) If the clay layer is preconsolidated and the average preconsolidation pressure is 80 kPa, what will be the expected primary consolidation settlement if the recompression index is C 0.2 x Cc? p 87 kPa 1 m Dry Sand Sand: Saturated Sand Dry Unit weight: 14.6...
mblem No. 3 ( 30%) A steel eil tank with flexible foundation, 50m diameter and 12m height has oil y-9.42 kN The foundation soil is 3.3m of sand Ф.35° and Y-18.85 kNm' overlaying a layer of uniform. armally consolidated clay of 17tn thick with Ф-10° and Y-17.3 kN/m.c_ 12 kNtn.c -127 and C-04 underlain by another layer of sand. The water table is at the surface level. Oedometer test on a 2.54cm thick, doubly-drained sample from the clay stratum attained...
please show step by step (also show how to find the vertical stress
increase)
18 A new petroleum storage tank is proposed at an oil refinery to be supported by a 20-meter diameter slab foundation at the ground surface. The structure will produce a uniform load of 110 kN/m2 on the entire slab foundation. A subsurface investigation has revealed the shown soil profile. A series of laboratory tests on representative samples obtained from the clay stratum has resulted in the...
Question-5 (20%): If a rectangular foundation of a dimension 1 X 1m with a load equal to 200 kN is placed at Im below the ground level as shown in the figure below. Calculate the maximum elastic settlement and settlement caused by primary consolidation due to the imposed load knowing that the clay is normally consolidated clay Ground level Es (kN/m2) 10000 Yd = 15 kN/m3 3m 5m Sand B000 Hs =0.3 2m Cc = 0.3 Ysat = 20 kN/m...
A 2 m wide continuous foundation carrying a 260 kN/m wall load is placed at a depth of 1.0 m in sand where the unit weight is 19.0 kN/m3 and (N)so is 32. Assuming Poisson's ratio of 0.15, estimate the settlement of the foundation. Use the procedure outlined in Section 9.7. 9.15
Most questions answered within 3 hours.
-
The average length of time between arrivals at a turnpike
toll-booth is 26 seconds. What is...
asked 47 minutes ago -
(a) A piston at 6.1 atm contains a gas that occupies a volume of
3.5 L....
asked 2 hours ago -
Please answer true or false. Words
cannot be changed or added in to make it true...
asked 1 hour ago -
An empty test tube weighs 15.923 grams. Then,
MgCl2•6H2O is added into the test tube. After...
asked 2 hours ago -
Assume memory access is 10 units of time and disk access is
10000 units of time....
asked 2 hours ago -
1. Are all good samples random?
2. Magazines often report surveys giving statistics such as “63%...
asked 2 hours ago -
Under all the various types of market structures, firms
must eventually earn some economic profits for...
asked 2 hours ago -
Consider the following fitness regime for a single locus trait
with two co-dominant alleles: w11 =...
asked 2 hours ago -
A large cable company reports the following.
80% of its customers subscribe to its cable TV...
asked 2 hours ago -
Please answer the question in brief.
Discuss the role of ERP in organizations. Are ERP tools...
asked 2 hours ago -
Discuss the pros and cons of collaborative software such
as SameTime. Does it increase productivity? What...
asked 2 hours ago -
Buying your in-laws a gift because it’s expected is
due to the ____________ motive of gift-giving....
asked 2 hours ago