2016Q3: Refer to the figure below, estimateThe quantity of seepage under the dam in m³/sec/m, the coefficient of permeability is 0.05cm/sec2. Factor of safety against piping.(35 Mark)H5 mGranularsoile=0.55G₁ = 2.68Imperviouslayer

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Answered: 2016 Q3: Refer to the figure below,…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Save Answe What is the infiltration capacity at 3 hours of a soil that have an initial rate of infiltration equal to 1.30 in./hr and a final capacity of 0.25 in./hr? Use Horton's equation and assume that the time constant k = 0.45
← Darcy' Law A sand sample of 35 m² cross sectional area and 20 cm long was tested in a constant head permeameter. Under a head of 60 km, the discharge was 120 ml in 6 min. The dry unit weight of sand used for the test was 1120 g. and GS = 2.68 Take Sw = 1 g/ cm³ The hydraulic conductivity (in cm/sec) is × 10-³ X
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A falling-head permeameter containing a silty, fine sand has a falling-head tube diameter of 4.2 cm, a sample diameter of 10.4 cm, and a length of 15.6 cm. The initial head is 15.5 cm. It falls to 1.4 cm over a period of 468 min. Find the hydraulic conductivity.
Please solve this.
In order to compute the seepage loss through the foundation of a cofferdam, flownets were constructed. The result of the flownet study gave Nf = 6, Nd = 16. The head lost during seepage was 19.68 ft. If the hydraulic conductivity of the soil is k = 13.12 x 10-5 ft/min, compute the seepage loss per foot length of the dam per day. a.1.9 ft3/day/foot length of the dam b.1.95 ft3/day/foot length of the dam c.1.39 ft3/day/foot length of the dam d.2.9 ft3/day/foot length of the dam e.2.25 ft3/day/foot length of the dam
Q. Solve this seepage problem.
Results of an infiltrometer test on a soil are given below. Determine the Horton's infiltration capacity equation for this soil by identifying the parameters fo fcand k. Time from start (hr) 0.25 0.50 0.75 1.00 1.25 1.50 1.75 | 2.0 Infiltration capacity in cm/hr 5.6 3.20 | 2.10 | 1.50 1.20 | 1.10 1.0 1.0
Solve the infiltration loss at t = 25 min in the linear function boundary. Given data:fo = 300mm/hrfc = 60mm/hrassume k = 4.8/hr
Given the earth dam and flow net shown, calculate the seepage loss under the dam if the water height behind the dam is 15ft. The soil has a hydraulic conductivity of 100 ft/year. EL 0 EL-10 Water Level 730 ft³/year O 650 ft³/year 500 ft³/year 890 ft³/year Water Level Yail=130 lb/ft³ Impervious Stratum
Refer to the cross section of the earth dam shown in the figure. Calculate the rate of seepage through the dam (q in m^3 / min / m) using L. Casagrande’s method
Question 2: After conduct an experiment, you found that the soil for the watershed have an initial rate of infiltration equal to 1.35 in./hr and a final capacity of 0.3 in./hr. Assuming that the time constant k = 0.4, calculate the soil infiltration capacity at the times 10 min, 15 min, 30 min, 1 hr, 2 hr, 4 hr, and 6 hr using Horton's equation. Infiltration

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2016 Q3: Refer to the figure below, estimate The quantity of seepage under the dam in m³/sec/m, the coefficient of permeability is 0.05 cm/sec 2. Factor of safety against piping. (35 Mark) H 5 m Granular soil e=0.55 G₁ = 2.68 Impervious layer