A soil profile is shown in the figure. A uniformly distributed load of 75kPa is applied at the ground surface. The clay is normally consolidated. Compute the compression index Compute the primary consilidation settlement
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1. A soil profile is shown in the figure. A uniformly distributed load of 75kPa is applied at the ground surface. The clay is normally consolidated.
Compute the compression index
Compute the primary consilidation settlement
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- Data Sieve Sieve No. Opening (mm) 4 4.750 10 2.000 20 0.850 30 0.600 40 0.425 60 0.250 140 0.106 200 0.075 Pan Mass of soil retained on each sieve, W (grams) 0 40.2 84.6 50.2 40.0 106.4 108.8 59.4 8.7 Percent of mass retained on each sieve. R Cumulative percent retained, Σ Rn Percent finer, 100 – Σ Rndys.mu MSKÜ-LMS 016 ŞB: 1 ÖRGÜN Soil Mechanics Mühendislik Fakültesi Mac Atterberg limits of a soil sample are given: LL:55% and PL:25%. Give the name of the soil typle considering the chart given below? Remember PI=LL-PL 60 U-line PI - 0.9 (LL -8) 50 Z 40 CH or OH A-line PI0.73 (LL - 20) 30 CL OH 20 or OL MH CL- ML 10 ML& OL 10 20 30 40 50 60 70 80 90 100 Liquid limit (%) O a. CL or OL O b. CH OR OH O c. OH or ML O d. GL or ML O e. M ail E AR .ill lenovo Plasticity index (%)2. Complete the consolidation table below. H₁ - 25 mm A = 50 cm² Volume 125 cm³ W, = 190.4g *Sensitivity of dial guage = 0.01 mm OBSERVATIONS Applied Dial guage Pressure Reading (kN/m²) 0 10 20 40 80 160 320 640 0 480*-* 472 460 422 380 334 285 238 354 Change in thickness, ΔΗ (mm) G-2.68 Y-1 g/cm³ W=25.04% H= H₂ + AH CALCULATIONS H-H, Void Ratio, e= (H-H₂)/H,
- Q3/ Plot the grain-size distribution curve for (W7=1000 gm) of soil and the following results of mechanical analysis: Sieve 3/4" 1/2" 3/8" 3/16" #7 #14 # 25 #36 #52 #100 #200 pan NO. Sieve Diameter 19.05 12.5 9.5 4.76 2.411 1.204 0.599 0.422 0.295 0.152 0.075 (mm) Retained Weight 8 40 58 150 130 79 60 22 34 184 42 193 (gm)(A) For the given, diagrams which statement(s) are correct For the given mass diagrams which statement(s) are correct? A) A & B are deficit earthwork operations B) C) D) C is an excess earthwork operation D is a balanced earthwork operation All above statements (A, B, C) are correct مشابه ملامها /.. (A) sta c.y (BY Sto (B) For the given profile, which one is correct Profile grade line Fill cut GIVEN PGL Mass Diag i Mass Diag. (B) Mass Diag (C) Mass Diag. (D) Mass Diag (E)Suppose that you are a Project Engineer on a Dam project. The volume of soil required at the dame site is Vd=100,000m3. The final void ratio (ed) is 0.80. Your boss, the Project Manager delegates to you the important decision of buying the earth fill from one of three suppliers. • Supplier X sells fill at OMR. 0.200/m3 with e = 0.90• Supplier Y sells fill at OMR. 0.120/m3 with e = 2.00• Supplier Z sells fill at OMR. 0.150/m3 with e = 1.60Evaluate and select the best supplier based on your knowledge about soil compaction.
- SHOW COMPLETE SOLUTION PLS VALUE:Y = 53GEOTECHNICAL ENGINEERING For a vibroflotation project, the following backfill material specifications must be satisfied. Determine the suitability number, D25 and D30 Sorting Coefficient = 2 Uniformity Coefficient = 8 %3D Coefficient of Gradation = 0.60 %3D D10 = 0.20 D75 D20 = 0 26 mm Dso = 0 80 mm D30 - D25 = 0 22 mm 1. INPUT THE VALUE OF SUITABILITY NUMBER IN 2 DECIMAL PLACES 2 INPUT THE VALUE OF D25 IN MM AND IN 4 DECIMAL PLACES 3. INPUT THE VALUE OF D30 IN MM AND IN 4 DECIMAL PLACES3. Three boreholes (BH) along a proposed road intersection are shown in Figure la and b. The soils in each borehole were classified using ASTM-CS. Sketch a soil profile along the center line. BH ВН 2 BH 3 100 m 100 m (a) Plan El: 100.2 El: 99.5 E1: 102.7 SP ML CH 10 SP-SM 15 - GP-GM ВН 2 ВН З 20 ВН 1 (b) Borehole soil Figure 1 Depth (m)
- Question 2 a. For the particle size distribution curve shown below, what is the percentage of gravels, sand and clay for b. Soil A c. Soil B d. Soil C Grave Sand Sit Clay Coarse Medium Fine W 近Describe spring analogy system with neat sketch. [5] A clay layer, whose total settlement under a given loading is expected to be 11cm settles 3cm at the end of inonth after the application of load increment. How many months will be required to reach a settlement of Scm? How much settlement will occur in 10 months? Assume the layer to have double drainage system. [7] Maximum size for Files You can drag and drop files here to add them. Accepted file types All file typesSHOW COMPLETE SOLUTION PLS VALUES:X = 425Y = 25C = 1