Note: Answer 5 questions only. Q1: A cylindrical soil specimen of 50 mm diameter and 100 mm long is to be prepared from a dry soil. If the specimen required 15% water of its own weight and the percentage of air voids are 20%, calculate the weight of the soil and water required for sample preparation, known that the specific gravity of the soil is 2.69. inr amlysis shown below classify the soil according to unified soil classification system. Perpentage finer %

Note: Answer 5 questions only. Q1: A cylindrical soil specimen of 50 mm diameter and 100 mm long is to be prepared from a dry soil. If the specimen required 15% water of its own weight and the percentage of air voids are 20%, calculate the weight of the soil and water required for sample preparation, known that the specific gravity of the soil is 2.69. inr amlysis shown below classify the soil according to unified soil classification system. Perpentage finer %

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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Soil engineering for highway design

Soil engineering is a part of geotechnical engineering that deals with the characteristics of soil. It also helps to understand the behavior of the soil in different conditions. The basic concepts of soil are studied to check the strength, compressibility, and porosity of the soil. This makes soil engineering an important topic for civil engineering.

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A liquid limit test on a clay was performed with the following results. The natural water content of the clay is 38% and plastic limit is 21%. Number of Blows 6 12 20 28 32 Water content (%) 52.5 47.1 42.3 38.6 37.5 What is the liquid limit of this clay? (Use Interpolation) Group of answer choices 39.85% 39.99% 36.74% 38.63% Please answer this asap for upvote. Thanks
It is needed to determine the moist unit weight of the soil for field compaction testing. A silty soil sample has a mass of 612 grams. The soil sample was then covered in beeswax and the combined weight was 650 g. The soil covered in wax, was then immersed in the water and the graduated cylinder registered a volume difference of 404 ml. The wax was gently peeled off the soil. Moisture content = 12% Specific Gravity = 2.78 But if the wax has a specific gravity of 0.94, determine the following: Dry unit weight of the soil Void ratio of the soil % of air in relation to the soil solids of the sample
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A soil sample weighing 455 grams when brought from the field in a cylinder of 300 cm3 volume, weighed 375 grams when dried. The soil particles displaced 145 cm3 of water. Determine the particle density and and real specific density ; bulk density and apparent specific density ; moisture content wet & dry wt basis and volumetric basis
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QA:If the specific gravity of a soil 2.69 and dry unit weight 1.915 gm/cm2, the sample of this soil is dried from its state at plastic limit, the volume change is 25% of its own volume at plastic limit, Similarly, when the same sample is dried from its state of liquid limit, the volume change is 45% of its own volume at liquid limit. determine the plasticity index if the value of liquid limit = 35%. (Soil mechanic)
QA:If the specific gravity of a soil 2.69 and dry unit weight 1.915 gm/cm2, the sample of this soil is dried from its state at plastic limit, the volume change is 25% of its own volume at plastic limit, Similarly, when the same sample is dried from its state of liquid limit, the volume change is 45% of its own volume at liquid limit. determine the plasticity index if the value of liquid limit = 35%.
Discuss your results and compare your results with any published data. For the bulk density test, obtain the value of dry density. How does the values of (i) void ratio (ii) porosity influenced your results? How will these values differ if the soil is fully saturated, partially saturated or submerged? Support your assertions using relevant phase relationship equations. Whatwill happen to the values of particle density (specific gravity) obtained if the soil sample contain large quantities of peat or organic material? How will the results be used in specific practical conditions in the construction industry? Explain any source(s) of error in your experiment and state how it affected your result.