State the method to determine the N-value of soil and the normal N-value required for supporting friction piles
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State the method to determine the N-value of soil and the normal N-value required for supporting friction piles
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- (B).Suppose we encountered a poor soil in behria during a house construction. Available options were Pre-loading & Vibro-flotation for improving its bearing capacity. How Pre-loading & vibroflotation would actually be carried out in the field?1. A 2000-lb wheel load is to be supported by aggregate over soil that can withstand a pressure of 1000 Ib/sq ft. What depth of aggregate is needed if 0 = 40°? %3DA rock storage pile is being designed for a mine in West Virginia. The pile is linedwith reinforced GCL overlain by a 1.5 mm thick HDPE geomembrane. A heavy nonwoven geotextile is placed on top of the geomembrane. Because the rock is porous(K = 10-2cm/s), it is used as the main LCS stone and no additional leachate collectionstone is being installed. Specify the base slope required to keep the head below 25cm if the design storm is 0.8 cm rain/day and the pipe-to-pipe lateral spacing is 60 mIs this rock a reasonable material to replace the LCS stone?
- 1- Depth of B.H ==> depth of borehole 2- Bearing capacity for the soil under the footing. ==> hansen equation 3- Immediate settlement for the soil under footing. ==> Si 4- Find the time required for 100% degree of consolidationPILE FOUNDATIONS Example: 32/2 A reinforced concrete pile 30ft long and 15 inches diameter is embedded in a saturated clay of very stiff consistency. Laboratory tests on samples of undisturbed soil gave an average undrained cohesive strength c 2500 lb/ft². Determine the net pullout capacity and the allowable pullout load with F, =3. Take, alpha = 0.37Explain how the Mohr-Coulomb failure criterion is used to determine soil shear strength?
- please help me with this problem it is Soil Mechanics I know it solved with Terzaghi’s Analysis but he asked for maximum height of water to which the tank may be filledThe following results were obtained from CU tests on a clay soil that is the foundation material for an embankment. 03 (kPa) 300 400 600 0₁-03 (kPa) 331 420 487 Au (kPa) 111 160 322 (a) Determine the total and effective principal stresses for all three tests (You may summarize them in a table). (b) Recommend the shear strength parameters to be used for short-term and long-term analyses. The maximum confining pressure (cell pressure) at the depth of interest is 300 kPa. (Note: the clay is a normally consolidated one).A frictional pile with a circular cross-section (diameter = D) is pushed into the soil %3D to a distance (L) and then it is subjected to an axial force (P) on its top end. Derive a formula to calculate the normal stress in any section x. P xx f N/mm2
- Assuming the bedrock is impermeable, determine the time it took the clay layer to reach 90% consolidation after sand fill placement and after sand fill removal. Assume cv = 8 e-6 ft^2/s.Qus: In a plate load test bearing plate size which is recommended is: 1. Minimum 30 cm, maximum 75 cm 2. Minimum 50 cm, maximum 500 cm 3. Minimum 100 cm, maximum 500 cm 4. Minimum 75 cm, maximum 300 cmAssuming the bedrock is impermeable, determine the time it took the clay layer to reach 90% consolidation after sand fill placement and after sand fill removal. Assume cV = 8 e-6 ft ^2/s.