DETERMINE: B. Specific yield of the soil and specific capacity of the well (b) A well of size 6.60 × 4.05 m and depth 4.7 m in the lateritic soil near Mangalore (west coastof India) has its normal water level at 3.825 m below ground level (bgl). By pumping for 1½hours, the water level (bgl) was depressed to 4.525 m and the pumping was stopped. Therecuperation rates of the well during 2 hours after the pumping stopped are given below.The total volume of water pumped during 1½ hours of pumping was 28.87 m³ (no well steiningis provided)Recuperation ratesTime since pumpingstopped (min)0102030405060708090120150Water level, bgl(m)4.5254.3654.2454.1354.0754.0153.9853.9603.9503.9353.9203.902

In the question, the given values are Dimensions of the well= 6.60x4.05m Depth= 4.7m Normal water…

Answered: DETERMINE: B. Specific yield of the…

Engineering

Civil Engineering

DETERMINE: B. Specific yield of the soil and specific capacity of the well

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Related questions

Q: If the soil in the field is initially at a degree of saturation of 53 percent, and is wetted until…

A: Degree of saturation : The Degree of saturation can be defined as the percentage of water occupying…

Q: A core cutter 15 cm in height, 10 cm in diameter, and having a mass of 1078 gm when empty is used to…

A: Given data, Height of core cutter H = 15 cm Diameter of core cutter D = 10 cm Mass of core cutter…

Q: Describe the physical state of soil with the following values of liquidity index: a) LI1.

Q: calculate the degree of saturation

A: Given, Dry unit weight of soil (Yd)= 1.56 water content (w)= 23.2% = 0.232 Gs = 2.69 Degree of…

Q: Q.15 The leaching requirement of a soil is 16%. If the consumptive use required of the crop is 80…

A: Given- Leaching requirement LR=16%, Consumptive use- Cu=80 mm, It is needed to find the depth of…

Q: What is your proposal to improve the following cases. Why? • 12 meter collapsible soil in the large…

A: Answer ) For the 12 meter collapsible soil in the large area outside the city, my proposal would be…

Q: Discuss Drilling Techniques in Competent Soils

A: Drilling is a cutting process that uses a drill bit to cut or enlarge a hole of circular cross…

Q: A soil has LL of 40% and PL of 25%. Consider flow index of 20%. Find the toughness index of the…

A: Given data- Liquid Limit LL = 40%, Plastic Limit PL = 25%, Flow index If =20%, To Find- The…

Q: B) Prove that %₁ = (1-n) (1 + wc) Gs/w

Q: Depth Normalpressure Transition Zone Overpressured Zone Normal Compaction Trend Line alue dc…

Q: Explain the difference between the drained condition and the undrained condition.

A: Drained condition is defined as a condition in which pore water can easily flow out or flow in from…

Q: determine the plasticity limit in soils are available 2 test, E1= test #1 y E2= test #2. Identify…

A: Only one test available to determine plastic limit So option 3 is correct only test#2 is availabe.

Q: Problem 4 Provide the liquid limit, LL = 75; the plastic limit, PL = 45. The water content of the…

A: Hi! Thank you for the question as per the honour code, we’ll answer the first question since the…

Q: Your company has won a contract to provide and compact the fill material for an earth levee, with…

A: First we summarise the given data : γd at an OMC of 18 % = 106 pcf γd at an OMC of 18 %= 112.1 pcf…

Q: A sample of saturated soil with o = 14 % and Gs = 2.7. %3D Find void ratio, total unit weight, and…

A: 1)Water content: weight of water/weight of soil solids 2)Specific gravity: Density of fluid/Density…

Q: The silt factor used by Lacey in his regime theory was equal to 1.0 for upper Bari-doab alluvium.…

A: Given - The silt factor, f = 1.0 To find - The median size of the alluvium.

Q: A core cutter 15 cm in height, 10 cm in diameter, and having a mass of 1078 gm when empty is used to…

Q: Alluvial Soil is a type of . O Residual Soils O Gravitational Soils O Marine Sediments O Aqueous…

A: Answer : Option (d) Aqueous soils is correct.

Q: It is a characteristic of soil when liquidity index is greater than 1. 11. write the formula in…

A: When liquidity index of soil less than 1: In this situation soil act like liquid and this situation…

Q: Problem! 4 Provide the liquid limit, LL = 75; the plastic limit, PL = 45%. The water content the…

A: L.L = 75 PL = 45 wL (water content) = 50 PI (Plasticity Index) = LL - PL = 75 - 45 = 30 Here, LL…

Q: 1. What are the properties of the soil being improved after compacted. 2. What is the best…

Q: a soil if its bulk density is 125 lb/ft and it has a moisture content of 24 percent. The specific…

A: Given data : Moisture content (w%)=24% Bulk density (γBulk)=125 lb/ft3

Q: A soil has a specific gravity of 2.65, and a water content of 0.35. The void ratio is 1.2. Determine…

A: Given data : Specific gravity (G)=2.65Void ratio (e)=1.2Water content (w)=0.35

Q: The following property is used to investigate the quality of compaction.

A: This question is related to the Soil mechanic from Civil Engineering.In this question ask about the…

Q: efine /Enumerate and explain the following. Definition of hydraulic conductivity and its magnitude…

A: Hydraulic Conductivity- It is defined as the property of soil which describes the ease with which…

Q: Qsn. Please show the steps of method of consytruction From Polyethylene Tetraphthalate when they are…

A: According to the given data ,Method of construction using PET or Polyethylene terephthalate bottles…

Q: What does the values of the strength envelope from the consolidated–drained (C–D) test series…

A: Failure Envelope/Strength Envelope : When the series of Mohr upper circles plotted and a tangential…

Q: How would pressure on rrban soils differ from those in agricultural areas?

A: The pressure on the soil refers to the force applied to the surface of the soil, either by the…

Q: Write the conditions for typical mode of failure of soil

Q: Flownet is important concept as describe as follows EXCEPT O How the head of energy increase as…

Q: Determine water if degree of saturationis 0.7, Void ratio is 0.5 and specific gravity of soil solid…

Q: Classification and properties of soil in deatils

A: Soil is a mixture of mineral, gases, liquid, organism and organic matter which combinedly support…

Q: The moisture content of a field soil is to be increased to 21% from existing 14%. The density of…

A: Given: Initial water content, w1 = 14% Final water content, w2 = 21% Depth of effective root zone, d…

Q: b- In which region of the optimum water content the water content of the ground fill to be used…

A: Optimum water content - OWC is defined as the water content at which maximum dry density can be…

Q: A soil in a borrow pit has a water content of 20% and a total unit weight of 105 pcf. The soil is to…

A: Find the dry density of pitγdrypit=γ1+wγdrypit=1051+0.2=87.5psf

Q: For a given soil show that: n = Ysat - Ya Ya - Ysat + Yw -(1-n)

Question

100%

DETERMINE: B. Specific yield of the soil and specific capacity of the well

(b) A well of size 6.60 × 4.05 m and depth 4.7 m in the lateritic soil near Mangalore (west coast
of India) has its normal water level at 3.825 m below ground level (bgl). By pumping for 1½
hours, the water level (bgl) was depressed to 4.525 m and the pumping was stopped. The
recuperation rates of the well during 2 hours after the pumping stopped are given below.
The total volume of water pumped during 1½ hours of pumping was 28.87 m³ (no well steining
is provided)
Recuperation rates
Time since pumping
stopped (min)
0
10
20
30
40
50
60
70
80
90
120
150
Water level, bgl
(m)
4.525
4.365
4.245
4.135
4.075
4.015
3.985
3.960
3.950
3.935
3.920
3.902

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step 3

VIEW

Step by step

Solved in 3 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.

Similar questions

Soil mechanics ضهقحشكوظز
8.3 A soil profile is shown in Figure 8.21. If a uniformly distributed load Ao is applied at the ground surface, what will be the settlement of the clay layer due to primary consolidation? Assume the sand above the ground water table to be dry. Given: Ao = H, = 17 ft, and H, = 8 ft. sand: Yary clay: yet 120 lb/ft (Assume the clay to be normally consolidated.) 1000 lb/ff', H, = 23 ft, %3D = 110 lb/ft 115 Ib/ft Ysat = LL = 50, e = 0.9 Ar Sand Groundwater table Sand Clay Void ratio= e Sand Figure 8.27
Given the liquid limit of soil equal to 70% and its plastic limit is 38% What will be the Liquidity index if w = 14%? a. -0.95b. -0.25c. -0.75d. -0.50
An earth dam require a total of 150 cubic meter of soil compacted with a bulk unit weight of 18.5KN/m^3 and moisture content of 10%, the specific gravity of solid particles is 2.55. Choose two out of the three borrow pits, if borrow pit 3 is automatically one of the choice. Choose the most economical choice.
In saturated fine-grained soils, how does the high pore water pressures develop?
Determine bulk unit weight if dry unit weight 16 KN/m3 water content 0.44
3- Ninety-five percent of a soil passes through the No. 200 sieve and has a liquid limit of 60 and plasticity index of 40. Classify the soil by the AASHTO system.
e) According to laboratory_testing results, the hydraulic conductivity (coefficient of permeability of < 1X10' cm/sec of a soil with up to 50 to 60% gravel (i.e. clayey silty gravel, GC-GM). Do you think this soil can be used as a landfill liner? Why and Why not?
Find degree of saturation
Why does the Sandy soils in the relatively loose condition will suffer liquefaction easier than a more dense deposit?
In mechanical soil
Need solution for this…….