Hand draw the SWCC of sand as a relationship between gravimetric water content,
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Hand draw the SWCC of sand as a relationship between gravimetric water content, versus suction and degree of saturation, S versus suction.
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- نقطة واحدة نقطة واحدة نقطة واحدة The height of the capillary rise of water increases as particle diameter increases True O False O Normal fault is generated by compressive force True O False O The porosity is the ratio of void volume to total volume True O False OFind Void ratio and porosityAnswer the void viscosity can be measured by ............. in SI units
- Determine the Fineness Modulus of the sand given its sieve analysis in the following table. (round to 2nd decimal place) Weight Retained Sieve (g) 3/8 in. 10 No.4 80 No.8 80 No.16 350 No.30 240 No.50 80 No.100 160In a site consisting of normally consolidated clean sands,the water table is at 10 ft depth. The average unit weight ofthe sand above and below the water table is 111.5 lb/ft3 and125.0 lb/ft3, respectively. At a 25 ft depth, N60 was reportedas 26. Determine the following:a. (N1)60 using Liao and Whitman’s (1986) equation for CNb. Dr using Skempton’s (1986) correlation c. Friction angle using Schmertmann’s (1975) correlationd. Modulus of elasticity using Kulhawy and Mayne’s (1990)correlationName.. Q3 Water flows through the constant head setup in the laboratory, as shown in the figure, where two identical dense sand samples A and B are placed-one horizontally and the other vertically. The samples are 50 mm diameter and 100 mm in length. The water levels in the left and right sides are maintained at the levels shown, ensuring constant head throughout the test. The void ratio of the sand is 0.92 and the specific gravity of the grains is 2.69. If 165 g of water was collected in the bucket within 15 minutes, 1. What is the permeability of the soil? 2. What the pore water pressure and vertical effective stress at the mid height of sample B? OH 2 190 100+100 A = (50) 7 9 = 0.95 1963.5 100 mm crosesection מות 190 Datumn 40 mm 100 min Arey B.
- An ASTM D 854 test was done on a sand. The data are shown below. Calculate the specific gravity. Mass of pychnometer = 46.1 grams Mass of pychnometer and dry soil = 67.4 grams Mass of pychnometer, dry soil and water = 157.7 grams Mass of pychnometer and water = 140.9 gramsA SAMPLE OF DRY SAND HAVING UNIT WEIGHT OF 16.50KN/m3 AND A SPECIFIC GRAVITY OF 2.70 IS PLACED IN THE RAIN. DURING THE RAIN THE VOLUME OF THE SAMPLE REMAINS CONSTANT BUT THE DEGREE OF SATURATION INCREASES TO 40% DETERMINE THE VOID RATIO IN PERCENT * DETERMINE THE WEIGHT OF THE SAMPLE AFTER BEING PLACED IN THE RAIN * THE WATER CONTENT OF THE SAMPLE AFTER BEING PLACED IN THE RAIN3- A sand sample is subjected to drainage cutting test with a hollow cylinder device. Rupture occurs with increasing internal pressure while external pressure is constant. At the moment of rupture, the external stress is 200 kPa and the internal stress is 300| Kilopascals - be. Internal and external radii of the sample are 40 and 60 mm. A) Obtain the angle of soil friction. B) At the moment of rupture, what is the axial stress applied to the sample?