A proposed earthen dam will contain 5,000,000 m3 of earth. Soil to be taken from a borrow pit will be compacted to a void ratio of 0.75. The void ratio of soil in the borrow pit is 1.15. Required: Estimate the volume of soil that must be excavated from the borrow pit, to the nearest whole number. Question 9 Listen Given: A soil sample has a degree of saturation of 50% and void ratio of 0.65. Required: Determine how much water must be added per cubic meter of soil to increase the degree of saturation to 100%? Answer in kN, to the nearest hundredth.

A proposed earthen dam will contain 5,000,000 m3 of earth. Soil to be taken from a borrow pit will be compacted to a void ratio of 0.75. The void ratio of soil in the borrow pit is 1.15. Required: Estimate the volume of soil that must be excavated from the borrow pit, to the nearest whole number. Question 9 Listen Given: A soil sample has a degree of saturation of 50% and void ratio of 0.65. Required: Determine how much water must be added per cubic meter of soil to increase the degree of saturation to 100%? Answer in kN, to the nearest hundredth.

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter3: Weight–volume Relationships

Section: Chapter Questions

Problem 3.5P

See similar textbooks

Similar questions

Q1// A soil sample was taken from a pit and its total unit weight was equal to KN (17.17) and its water content was 12% and the specific gravity of m3 soil particles was (2.7) and then this pit was filled with compacted soil with a water content of 18% and the dry density is equal to (16.19 KN m3 Calculate the following for 1000 m³of fill soil? (yw: KN. = 9.81 m3 A)) The volume of soil to be extracted from the pit in cubic meters. B)) The weight of water that can be added to reach the new water content C)) The ratio of voids to the soil in the pit
Sand-cone equipment is used to determine an in-place unit weight (field density test) on a compacted earth fill. The sand used in the cone is known to have a bulk density of 15.73 kN/m3 Wet weight of soil sample dug from test hole = 2100 g Dried weight of soil sample = 1827 g Weight of sand (sand core) to fill the test hole = 1636 g a) Compute the water content. b) Compute the in-place dry unit weight of tested soil. c) Compute the percentage of compaction of the tested soil if the laboratory moisture-unti weight curve indicates a dry unit weight of 18.09 kN/m3 and a optimum moisture content of 13%.
2. The sieve analysis data for a granular soil are given below. NICS LECTUREY % passing 19 mm sieve =100 % passing 4.75 mm (4 sieve) = 61 % passing 2 mm = 45 % passing 0.075 mm (200 sieve) = 16 %3D % passing 0.06 mm (4 sieve) = 13 % passing 0.05 mm ( sieve) = 8 % passing 0.002 mm (4 sieve) = 5 What are the percentages of gravels, sands and fines within this soil, based on the Unified Soil Classification System (USCS), AASHTO, USDA and MIT Standards? Mass Opening (mm) Sieve No. Retained (g) 4.75 4
a .l zain IQ elearning7.uokufa.edu.iq CHAPTER SEVEN STERSSES WITHIN SOIL MASS Н.W The detailed results of a standard Proctor test on a soil classified as CL-ML and group name silty clay with sand are shown in the table below. Determine the maximum dry unit weight and optimum water content. Diameter of mould = 4 in. Height of mould 4.584 in. Volume of mould = 1/30 ft3. Weight of mould, M = 4.45 lb. Unit weight data Water content data Weight of wet soil and mold (Ibs) Mass of can and wet soil (grams) Mass of can and dry soil (grams) Mass of can (grams) M. M. M. 7.32 114.92 111.48 7,57 163.12 155.08 7.68 190.43 178.64 46.20 193.13 178.24 46.50 7.65 188.77 171.58 46.10 II
Geotechnical Engineering Please help me answer this question, and please show your solutions write it properly. Problem 1 A soil sample has moist unit weight equal to 16.5 kN/m3), water content of 15%, and specific gravity of 2.70. Find the dry unit weight and the void ratio for this soll Problem 2 A soil sample has a total unit weight of 16.5 KN/m3 and a void ratio of 0.84 The specific gravity of solids is 2.70. Determine the degree of saturation and the moisture content of the soil.
Given the following Sieve Analysis and Atterberg limits results. Answer the following questions: 1- What is the effective diameter of this soil? 2- Calculate the uniformity coefficient and coefficient of gradation 3- Determine the percentage of Gravel, Sand, Fine soils according to USCS. 4- Classify the soil using AASHTO (with GI) & USCS (with group name). Diameter Sieve # % Passing 100 (тm) 90 4 4.75 96 80 3.35 90 70 10 78.8 60 20 0.85 56.8 50 40 0.425 37.8 40 60 0.25 23.6 30 100 0.15 13 20 200 0.075 4.6 10 Рan LL 10 10 0.1 0.01 Diameter PL 5 Percent Passing (%) 2.
Sand cone equipment is used to perform a field density test on a compacted earth fill. • Soil sample dug from the test hole = 20.60 N • Dry weight of soil sample = 17.92 N Ottawa sand used to fill the hole weighs 16.05 N and is known to have a density of 15.74 kN/m³. Determine the volume of the test hole. Answer:
Sand cone equipment is used to perform a field density test on a compacted earth fill. • Soil sample dug from the test hole = 20.60 N • Dry weight of soil sample = 17.92 N Ottawa sand used to fill the hole weighs 16.05 N and is known to have a density of 15.74 kN/m3. Determine the in-place dry density of the tested soil. Answer:
Not interested in the calculations, just want to see the graph so please display that for me instead of the e calculations. Note) For soil sample in Table 2, initial thickness of sample = 14.31 mm, sample area = 2827.433 mm^2 , dry weight measured at the end of test = 52.53 g, specific gravity = 2.7. (Please draw graph possible) Also Determine the compression index and expansion index using graph
Q1: Use the USCS to Classify the soil sample with the following data: % passing 4.75 mm Sieve = 64 % passing 75- Sieve =4 Uniformity Coefficient= 7.5 Coefficient of Curvature=2.7 Plasticity index = 2.5 Solution: Q2: Use the USCS to Classify the soil samples with the following data dalla Soil LL PL Group Symbol Soil Name 15 35 25 ABC 8. ८८ 25 45 65 2-Seepage velocity (m/s) = 70 3- Flow rate in (m3/s) = oss and dry ng www Parmbly & volume change decrease Campering wes Toughness and dry strength dease Presby & val change in 10 20 30 40 50- 60 Liepakt. 70 80 Atra -0.73 (W₂-201 90 Q3: For the soil shown below the hydraulic conductivity is (3 m/day). The sample diameter is 1.5 m. The porosity is (30%). Find: 1- Flow velocity (m/s)== 100 110 120 Soil 4 m ITE
Q1 Given: A sample of clay soil of volume 1x10* m' and mass 1.762kg, after being dried out in oven had a mass of 1.368kg. Required: find for sample in its original condition: dry density, water content, void ratio, air Voids, specific gravity and saturated density. Phe soil 02 Giren: A borrow aree na wate VOre
Results from liquid and plastic limit tests conducted on a soil are given below. Liquid limit tests: Number of blows, N Moisture content (%) 14 38.4 16 36.5 20 33.1 28 27.0 Plastic limit tests: PL = 13.4% a. Draw the flow curve and obtain the liquid limit. b. What is the plasticity index of the soil? © Cengage Learning 2014