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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Determine the seepage through the homogeneous earthen dam section shown below, if coefficient of permeability of soil material of dam is 5 x 10-4 cm/sec. 10m Free Board = 2.0m 1 Horizontal Filter 20m 3. 2.5 30m- 36.50 m
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
A sand layer of the cross-sectional area shown in the figure has been determined to exist for a 800-m length of the levec. The hydraulic conductivity of the sand layer is 1.65 m/day. Determine the quantity of water which flows into the ditch in m/min. Elv. 175 m Levec Elv. 130 m 2 m Ditch 180 m Impervious O Sand
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