Why can't a Mohr circle ever cross the Mohr-Coulomb failure envelope? What happens once a point on the circle touches the envelope? How does the point of tangency where the Mohr circle touches the failure envelope relate to the orientation of the failure plane in the soil?

Q: d) An oedometer test was also performed on a (saturated) reconstituted sample obtained at the site.…

A: Initial void ratio = 1.005 Initial sample height = 20 mm

Q: Explain the stresses applied to the soil sample during the triaxial test.  How do we apply confining…

A: Triaxial Test Principal- The soil specimen is subjected to three compressive stress in mutually…

Q: What is the effect on the eddy formation if solar isolation is strong?

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Q: e same grain size, d be consid varies. feature of signif tual orientation grains have less andom…

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Q: What is the difference between honeycombing and surface voids? Which one is more important to…

A: In the concrete structure  Due to lack of vibration and finishing , somes voids are left. These…

Q: In CBR test the value of CBR is calculated at А. 2.5 mm penetration only В. О 5.0 mm penetration…

A:

Q: how can we clasify clay is it organic or inorganic compound?

A: The soil above A-line in the plasticity chart is called clay with particle size less than 2 micron.…

Q: During dry periods, surface cracks that develop on soil can accept high rates.

A: When cracks arise on the top of soil during dry periods, it implies water content of soil has…

Q: What are the possible reasons for the development of the fractures in the lithosphere?

A: Lithosphere plates is area of the earth's crust & upper surface, broken into plates moving…

Q: The time required for 50% consolidation of a 25 mm thick layer (drained at both top and bottom) in…

A: Given data  Percentage of consolidation  Thickness of laboratory soil sample  2 way drainage Time to…

Q: in figure) was inserted completely into a deposit A field vane shear testing instrument (as shown of…

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Q: Which rock elasticity parameter is sensitive to the presence of gas in the pores/cavities in the…

A: A viscous compressible fluid has been assumed to be in contact with the rock, as before. Poisson's…

Q: Soil deposits have been piled up on top of each through the hardening process which can be best…

A: Explanation-  Igneous rock formation takes place when magma from volcanoes or deep in earth crust…

Q: Compute for the modulus of rupture of the concrete beam sample if the size of the sample is 6"x 6",…

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Q: Which of the following is not a principal method for investigating subsurface soil conditions?…

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Q: The time required for a 50% consolidation of a 25mm thick layer drained both sides is  2 min 20…

A: Given: For 50% consolidation of a 25 mm thick layer having drainage both side , time required is…

Q: It is an analysis which involves determining and comparing the shear stress developed along the most…

A: Slope Stability Analysis: It is an analysis which involves determining and comparing the shear…

Q: A rock core sample with a diameter of 47.6 mm and a length of 11.21 cm is loaded in uniaxial…

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Q: for settlement analysis, using a multi-layer aproach is more accurate than a single-layer aproach?…

A: Settlement concerns are common when building on thick, soft soils, and they should be taken…

Q: Identify the physical properties of the following mineral family, their formation, and uses in Civil…

A: Quartz chemical classification = silica  it is one of the most abundant mineral in the earth's…

Q: Explain the interlocking behavior of sand and its effects on the stress-strain behavior of sand?

A: Soil is one of the most dubious, variable, and uncertain materials which shows the wide variation of…

Q: a sample subjected to axial stresses & confined from all sides what will be the effect of axial…

A: Brief concept- Cohesion- It is the property of the soil that makes its grains or particles stick…

Q: The time for 50% consolidation of a 25-mm-thick clay layer (drained at top and bottom) in the…

A: For 50% consolidation -  Thickness of clay layer = Hdr = 12.5 mm Time of primary consolidation…

Q: The time required for a 50% consolidation of a 25 mm thick layer (drained at both and bottom) in the…

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Q: The time required for a 50% consolidation of a 25 mm thick layer (drained at both sides) in the…

A: solutionTime for 50% consolidationt=2min 20sec=140 secfrom settlement tableTv=0.197 for 50%…

Q: Question 4.12 A cube of reservoir rock with sides of 2.5 ft has a single vertical fracture of width…

A: Given Matrix permeability 1 mD rock side 2.5 ft

Q: Bedding is one of the most prominent features of sedimentary rocks. Would you expect a difference in…

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Q: 10.9 A consolidation test on a sample of clay produced the following data: o: (kPa) 8. 16 32 64 128…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: The time required for 50% consolidation of a 20 mm- thick clay layer(drained at both top and bottom)…

A: It is required to determine the time of consolidation using the relation. Tv=CvtH2 Here Tv is the…

Q: Which of the following are examples of true cohesion in sands or gravels? Pick all that apply. O…

A: Option d would be correct because in sand cohesion due to partial saturation is aparent cohesion…

Q: Determine the value of void ratio if porosity is 0.402 a:0.65 b:0.69 c:1 d:0.67 e:None of the above

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Q: Why for silts the gravity flow is restricted in vacuum dewatering?

A: Methods of gravity, such as deep wells and well points in the fine-grained soils, are not very…

Q: The improved workability produced by superplasticizers is of short duration and thus there is high…

A: Superplasticizers are used to produce high strength concrete with reduced water content for the same…

Q: Determine the equivalent liquid permeability for a core sample taken from a sandstone formation.…

A: Equivalent liquid permeability: When all the lines interpolated to the mean pressure and in the…

Q: Determine the method and origin of metamorphic rocks?

A: Metamorphic rocks:

Q: An undisturbed soil sample, 100 mm in diameter and 200 mm high, was tested in a triaxial machine.…

A: NoTE-  I already answered this question but again uploading with some changes.