Question 2* The permeameter in a permeability test setup involves a soil sample 200 mm diameter and a length of30 mm. The height of water is kept constant at 400 mm. In a duration of 4 min, water was collected in thegraduated flask having a volume of 420 cu. cm. Determine the following.Flow Rateo Hydraulic gradiento Hydraulic conductivity

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Answered: Question 2 * The permeameter in a…

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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4. A constant-head permeability test was conducted on a soil sample retained inside a cylindrical mould with a length of 40cm and an inner diameter of 18cm. In the test setup, a total of 55cm³ of water was collected during 3 hours and 15 minutes after reaching a constant-head difference of 60cm. a. Calculate the hydraulic conductivity (cm/s) of the soil sample. b. Estimate the type and permeability class of the soil. (Show all working calculations.)
A constant-head test was conducted on a sample of soil 15cm long and 60 cm^2 in cross-sectional area. The quantiities of water collected was 50 cm^3 in 20 seconds undera a head difference of 24 cm. Calculate the hydraulic conductivity. If the porosity of sand is 55%, calculate the average velocity and the seepage velocity. Estimate the hydraulic conductivity of a similar soil with a porosity of 35% from the results test. Please show all work!!
PROBLEM C For a falling head laboratory test, the following are the given values: • Length of soil specimen 210.00 mm Initial head 523.00 mm Final head 297.00 mm = Duration of test 3.50 mins 42.0 sq.mm 1050.00 sq.mm Area of standpipe Area of specimen A. Compute for the hydraulic conductivity of the soil in cm/sec. B. Determine the seepage velocity if n=0.35 C. Determine the head difference at t = 120 sec
Please help me answer d and e.
In a constant head permeability test in the laboratory as shown in Figure Q2(e), the data is recorded in Table Q2(b). The void ratio of the soil specimen is 0.46. Determine; (i) Hydraulic conductivity, k, of the soil in cm/sec. (ii) Discharge velocity in cm/sec.
Plz write neat
Lecturer: Roozbeh Safaeian Amoly Duration: 90 minutes 1. A soil sample 15 cm in diameter is placed in a tube 3 m long. A constant supply of water is allowed to flow into one end of the soil at A, and the outflow at B is collected by a beaker as shown in the figure. Determine (a) hydraulic gradient, (b) flow rate, (c) average velocity, (d) seepage velocity if e 0.7, and (e) hydraulic conductivity, if the average amount of water collected is 3 cm for every 20 seconds. 10 kPa 1.4 m F 1 5m-- 15m-- 1sm-l- 1.5m-| B A Soil 2m Exit Datum 1.75 m 15m
For a falling head permeability test, the following values are given: Length of specimen: 200 mm Area of specimen:1000 sq. mm Area of standpipe: 40 sq. mm Head difference at t= 0: 500 mm Head difference at t= 180 sec : 300 mm Determine the hydraulic conductivity (cm/sec)

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