Discuss in your own words the cylinder spring model for the consolidation settlement in saturated clayey soil.
Q: The old building (A) is to be removed and replaced by a new building (B), as shown in the Figure.…
A: OCR = Preconsolidated pressure (σp) Present effective stress (σo) σo = (15 × 2) + (20 - 9.81) 4 =…
Q: Given: rw = 0.25 m, rs = 0.35 m, de =4.5 m, cv 5 cvr = 0.3 m2/month, kh/ks 5 2, and Hc = 9 m.…
A: rw=0.25 m rs=0.35 m de=4.5 m Cv=0.3 m2/month khks=2 Hc=9 m Double drainage, d=Hc2=92=4.5 m
Q: 4. Given: Refer to fig. 1 Δον 3000 psf H1 = 5ft , H2 = 7 ft , H3 = 6 ft Sand: Gs = 2.65 ,e, = 0.58…
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Q: Calculate the degree of consolidation of a 6 m thick double drained clay layer after 4862 days since…
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Q: Refer to the figure below. The uniformly distributed load on the ground surface is Ao. Given: Ao =…
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Q: Question attached
A: Solution: Determine the dimensionless time factor Tc for the given ramp…
Q: A clay soil specimen, 1.5 in. thick (drained on top only) was tested in the laboratory. For a given…
A: Calculate the time factor for the degree of consolidation of 60%, Time factor, Tv = π4U1002…
Q: 1. Given the profile below, determine the time it will take for 70% primary consolidation to take…
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Q: Find out the time required for 50% consolidation in a soil having thickness of 800 cm and perviou…
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Q: Situation 13 - The soil is acted upon by a uniformly distributed load AP = 60 kPa at the ground…
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Q: A saturated silty clay encountered in a deep excavation is found to have a water content of 21.7%.…
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Q: A new building is planned upon the site shown below. Assume that the clay solids have a specific…
A: Given: The specific gravity of soil is 2.67. Consider the figure,
Q: 3-lf the time needed for 50% consolidation of a 2-in clay specimen (single drainage) in the…
A: Consolidation ratio: After time t and at depth d the process of consolidation in the consolidating…
Q: Derive the dimensions proportion (b/d) for the minimum seepage losses cross section of trapezoidal…
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Q: Question 2 The main difference between compaction and consolidation is that consolidation happens…
A: True Compation means immediate removial of air and water from soil presend in pores Consolidation is…
Q: H.W. Following are the results of a consolidation test: Pressure, p (kN/m²) 0.25 Void ratio, e 1.1…
A: In the above table, the value of pressure and void ratio are provided and we have determined the…
Q: Which type of roller is most suitable for soil compaction? a) Smooth roller b) Sheep foot roller c)…
A: Sheep foot roller is the best roller for compaction . This is due to the action of roller which…
Q: A proctor compaction test in the laboratory on a borrow pit soil gives maximum unit weight of 19…
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Q: Q: For the soil profile shown in figure. a) Determine the final consolidation settlement. b) If the…
A: Given data in question Water table position Depth levels Unit weights Void ratio Liquid limit OCR…
Q: Q: For the soil profile shown in figure. a) Determine the final consolidation settlement. b) If the…
A: Given,
Q: Q: For the soil profile shown in figure. a) Determine the final consolidation settlement. b) If the…
A: Normally consolidated clay: The soil whose pressure is not greater than the present existing…
Q: Your company has won a contract to provide and compact the fill material for an earth levee (an…
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Q: Answer the ff: a) The ratio of horizontal to the vertical permeability is b) The ratio of vertical…
A: To find horizontal and vertical permeability
Q: For the soil profile shown; a) Calculate the settlement due to primary consolidation for 5 m clay…
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Q: Q.5 A grit chamber of dimensions 12.0 mx 1.50 m x 0.80 m liquid depth has a flow of 720 m³/hr. Its…
A: Given data- Grit chamber- Dimensions- 12 m×1.5 m×0.8 m,discharge Q=720 m3/hr, To Find- The surface…
Q: DETERMINE: B. Specific yield of the soil and specific capacity of the well
A: In the question, the given values are Dimensions of the well= 6.60x4.05m Depth= 4.7m Normal water…
Q: Explain M vs. q, for Ticino Sand (from Jamiolkowski et al. 1988) ?
A: The M vs q for the Ticino sand is the representation of the second correspondence to increase in…
Q: A clay layer in the field is 4.6 m and is drained at the top only. Under a given surcharge, the…
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Q: A soil profile is shown in Figure 8.23. The preconsolidation pressure is 3400 lb/ft. Estimate the…
A: For…
Q: A clay specimen was tested in a laboratory consolidation device, which was 12.7 mm (½ in.) thick and…
A: As per our company guidelines we are supposed to answer only first 3 sub-parts. Kindly repost other…
Q: Q5: A consolidated-drained triaxial test was conducted are as follows: 03 120 kN/m? (Ao)-180 kN/m2…
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Q: For a falling-head permeability test, the following are given: length of specimen = 15.1 in., area…
A: A falling head permeability data such as length of specimen, diameter, head falling time, initial…
Q: Q: For the soil profile shown in figure. Find: a) Final consolidation settlement. b) Time required…
A: This unique type of soil subdivision helps to determine the accuracy of the soil and other…
Q: What is meant by Proctor’s Compaction test. Main purpose of learning Proctor’s Compaction Test?
A: The Proctor compaction test is the most common procedure for evaluating the ideal moisture…
Q: 5. Calculate the consolidation settlement of the clay layer in the soil profile shown below due to a…
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Q: 9. Following results are obtained from laboratory consolidation testing: Effective vertical pressure…
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Q: A pumping test was carried out to determine the average permeability of a sand deposit 20 m thick…
A: Consider the free body diagram as;
Q: What are shear strength result of the consolidated–drained (C–D) shear test?
A: - The consolidated drained shear test is used to determine stability of retaining wall in sandy…
Q: A geosynthetics clay liner (GCL) having a thickness of 10 mm and a permeability of 5X1010 cm/sec.…
A: We are authorized to attempt 3 sub-parts at a time. Since the sub-parts are not mentioned, we are…
Q: %, for No 200 -%finer 77. LL=63, PL= 25. Classify the soil using USCS. Justify your answer. a. MH…
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Q: 1. A soil profile is shown in the figure.A uniformly distribute d load of 50 Kpa is applied at the…
A: To Find primary consolidation settlement of clay when a.clay is normally consolidated…
Q: Q-1: Estimate the consolidation settlement due to the lowering of the water table from the location…
A: GIVEN DATA:-⇒γd= 17 KN/m3⇒γsat(sand)= 19 KN/ m3⇒γsat(clay)= 18.6 KN/ m3⇒LL= 40%⇒eo= 0.95
Q: The result of the liquid limit tests where N is the no of blows and w is the water content in % are…
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Q # 5. Discuss in your own words the cylinder spring model for the consolidation settlement in saturated clayey soil.
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- 2) Upon completion of the excavation, backfilling and compaction works for the proposed road described in problem 1, the gravel bedding and concreting works are to start. Figures below show the detail for the road section. ROAD SECTION -5. 0m- 5.0m 25cm 25cm CONCRETE ROAD (4500 psi @ 28 DAYS) ON 100mm THK COMPACTED GRAVEL BED ... Note: 4500 psi @ 28 days concrete ratio will be taken to be 1:1.75:1.70 + an admixture for strength. (1 cubic meter of concrete for this mix = 13 bags of 40 kg cement, 0.606m3 of crushed sand, 0.588m3 of 3/4" gravel, and an admixture of 2 sachets per bag of 40 kgs cement) *** Gravel bed will be 100mm thick and shall be applied with a 33% increase in volume to consider the effect of compaction. G-1 gravel shall be used. 2.d) Determine the required quantity of 3/4" gravel (m³) 2.e) Determine the required quantity of admixture sachets 2.f) Determine the quantity for G-1 Gravel Bed (m³)A new building is planned upon the site shown below. Assume that the clay solids have a specific gravity of 2.67. Find the primary consolidation settlement if the clay is normally consolidated. 4p = 1 ksf Sand 8 feet y= 110 pcf, Water Table 7 feet Ysar = 115 pcf Clay 17 feet w = 34%, LL = 50%, ysar = 120 pcfShow conplete solution.
- A 8ft clay layer reaches 100% consolidation in 13 years and has a natural water content of 75%, what is the secondary compression settlement in the soil if the building life is expected to be 45 years. Report your answer to three decimal places and in inches. Coefficient of Secondary Compression, Ca 0.04 0.03 0.02 0.01 Type your answer... wy 50 Average Ca for Completely Remolded Samples Falls in This Zone 100 150 200 Natural Water Content, % FIGURE 7-21 Coefficient of secondary compression; C = ratio of decrease in sample height to initial sample height for one cycle of time on a logarithmic scale following completion of primary consolidation. Source: U.S. Department of the Navy (1971). Range Undisturbed Samples: Ca in Range of Virgin Compression Cain Range of Recompression Lies Below This Upper Limit 250 300 350 4002) Upon completion of the excavation, backfilling and compaction works for the proposed road described in problem 1, the gravel bedding and concreting works are to start. Figures below show the detail for the road section. ROAD SECTION -5. 0m- -5.0m- 25cm 25cm CONCRETE ROAD (4500 psi @ 28 DAYS) ON 100mm THK COMPACTED GRAVEL BED *** Note: 4500 psi @ 28 days concrete ratio will be taken to be 1:1.75:1.70 + an admixture for strength. (1 cubic meter of concrete for this mix = 13 bags of 40 kg cement, 0.606m3 of crushed sand, 0.588m3 of 3/4" gravel, and an admixture of 2 sachets per bag of 40 kgs cement) *** Gravel bed will be 100mm thick and shal1 be applied with a 33% increase in volume to consider the effect of compaction. G-1 gravel shall be used. 2.a) Determine the quantity for Concrete (m³) 2.b) Determine the required quantity of cement bags 2.c) Determine the required quantity of crushed sand (m³) 2.d) Determine the required quantity of 3/4" gravel (m³) 2.e) Determine the required…Soil consolidation,..
- volume mould=944 x10^-6 m^3 Construct zero air void line (S=100%, ZAVL), 20% air void line (S=80%), determine the optimum water content ( owc ) and maximum dry unit weight, and calculate degree of saturation at maximum dry unit weight, 95% dry unit weight needs to be achieved in the field & water contents at dry of optimum and wet of optimumA wooden storage vat, 20ft in outside diameter, is filled with 24ft of brine s.g. = 1.06. The wood staves are bound by flat steel bands, 2 in wide by ¼ in thick, whose allowable stress is 16000 psi. What is the spacing of the bands near the bottom of the vat, with initial stress of 1 ksi.When a large load present above a clay layer is removed before new construction begins above the clay layer, we refer to the clay layer as type your answer... clay when determining primary consolidation.