Bulk Unit Weight (kN/m3) 20.0 20.7 21.7 21.4 21.1 Water Content (%) 8.0 9.5 11.5 12.5 13.5 1. Determine dry unit weight and water content at 95% standard compaction based on the result of a standard compaction test given 2. Describe effect of water content during compaction between 9.5% water content to 12.5% water content

Bulk Unit Weight (kN/m3) 20.0 20.7 21.7 21.4 21.1 Water Content (%) 8.0 9.5 11.5 12.5 13.5 1. Determine dry unit weight and water content at 95% standard compaction based on the result of a standard compaction test given 2. Describe effect of water content during compaction between 9.5% water content to 12.5% water content

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter5: Soil Compaction

Section: Chapter Questions

Problem 5.5P

See similar textbooks

Similar questions

Note: Add 0.16 to the results on table before solving.a. Determine the maximum dry unit weight and OMC.b. What is the dry unit weight and moisture range at 95 % relative compaction?c. Determine the degree of saturation at the maximum dry density if Gs = 2.70.
PLS ANSWER ASAPA WET OF SOIL SAMPLE HAS A VOLUME OF 4.85 x 10^-4 m3 AND WEIGHS 8.5N. AFTER OVEN DRYING, THE WEIGHT REDUCES TO 7.5N. IF sg = 2.7DETERMINE THE UNIT WEIGHT. DETERMINE THE MOISTURE CONTENT. DETERMINE THE DEGREE OF SATURATIONAnswer in 4 decimal places with unit
How does the dry unit weight, differ from the unit weight ? Why is the Proctor method of assessing soil compaction based on the dry unit weight and not the unit weight?
Q- If a soil has a voids ratio of 0.68 and water percolating through it has a discharge velocity of 1.35*10-2cm/s. Calculate its seepage velocity.
9. The results of a Standard Proctoretest is tabulated as follows: (CHECK PICTURE) Determine the maximum dry unit weight of compaction Determine the void ratio at the optimum moisture content Gs = 2.68 Determine the optimum moisture content Determine the degree of saturation at the optimum moisture content
The relative compaction of a sand in the field is 94%. The maximum and minimum dry unit weights of the sand are 18.60 KN/m³and 15.10 KN/m³respectively. For the field condition determine 25) Dry Unit weight? a) 15.25 KN/m³ b) 20.50 KN/m³ c) 17.48 KN/m³ d) 18.90 KN/m³ Relative density of compaction? a) 69.80 % b) 99.20 % c) 72.40 % d) 73.05 % Moist unit weight at a moisture content of 8 % ? a) 19.77 KN/m³ b) 17.66 KN/m³ c) 18.88 KN/m³ d) 18.05 KN/m³
For a granular soil, the following are given:●● Gs = 2.6●● Liquid limit on the fraction passing No. 40 sieve 5 20●● Percent retained on No. 4 sieve 5 20 Using Eqs. (5.4) and (5.5) attached , estimate the maximum dry density of compaction and the optimum moisture content based on the modified Proctor test.
The maximum and minimum dry unit weights of a sand were determined in thelaboratory to be 17.5 kN/m3 and 14.8 kN/m3. What would be the relative compaction inthe field if the relative density is 70%?
Calculate the coefficient of permeability of a soil sample of 6 cm is height and 50cm2 in cross sectional area, if the quantity of water equal to 450ml passed down in 10minutes under an effective constant head of 40cm. On oven drying, the test specimen weigh 495g. Take Gs as 2.65, calculate the seepage velocity of water during test.
The following results are obtained from standard compaction test for a soil, if Gs = 2.5 Water Content (%) 6.2 8.1 9.8 11.5 12.3 13.2 Unit weight (kN/m3) 16.9 18.7 19.5 20.5 20.4 20.1 Required: 1- The optimum water content (Wc %) 2- The maximum dry unit weight ( dry ) 3- The void ratio (e) 4- Degree of saturation (S %) 5- Find the weight of water needed to be added to 1 m3 to reach 100% saturation.
The section size of a water pipe is (100cm Χ 100cm), three types of soils A, B, and C are placed in the pipe, and a fixed amount of water is injected into the top left tap to keep the water head difference between the left and right ends of the pipe 60cm. The three soil permeability coefficients are k_A = 0.05 cm/sec , K_B = 0.1 cm/sec, k_C = 0.001 cm/sec, please calculate the following values:(1) The fixed amount of water injected into the faucet on the upper left (cm3/hr)(2) What is the total water head consumed by each of the three soils of A, B, and C (cm)(3) The overall volumetric seepage force of water flowing through the three soils (kN/m3)
3. The following table lists the results of a standard Proctor assay. Determine the maximum dry compaction density and the optimum moisture content. Also obtain the void ratio and degree of saturation for optimum moisture content. Assume Gs = 2.68.