B.TechSemester 52022-23Geotechnical EngineeringKCE501
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Geotechnical Engineering (KCE501) - AKTU Question Paper 2022-23

B.Tech · Semester 5 · Free PDF Download

This is the official AKTU Geotechnical Engineering Previous Year Question Paper for B.Tech Semester 5, academic session 2022-23. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.

Course:B.Tech
Semester:Semester 5
Session:2022-23
University:AKTU / UPTU

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Questions Asked in 2022-23

Geotechnical Engineering (KCE501) — complete question paper

Section AAttempt all questions in brief. 2 x 10 = 20
  • a
    What do you understand b y index properties of soil?
  • c
    Enlist the factors that affect the permeability of soil
  • d
    A loose uniform sand with rounded grains has effective grai n size of 0.05cm. Determine the coefficient of permeability of sand
  • e
    Define Compressibility
  • f
    Discuss the nature of the pore pressure that can develop in dense sand and over consolidated clay
  • g
    Discuss about the isobar diagram
  • h
    Define Liquefaction. (i) Enlist various types of slope failure. (j) Write down the expression for vertical cut in clayey soil
Section BAttempt any three of the following: 10 x 3 = 30
  • a
    A soil has a bulk unit weight of 20.11 kN/m 3 and water content of 15%.
    Calculate the water content if the soil partially dries to a un it weight of 19.42
kN/m3 and the void ratio remains unchanged
  • b
    Explain the Flow Net. Discuss its applications
  • c
    Explain the process involved in determination of compaction in IS Light Compaction Test
  • d
    Find the intensity of vertical and horizontal shear stress at a point 4m directly below a 20kN point load acting at a horizontal ground Surface. W h a t w i l l b e vertical pressure at a point 2m horizontally away from axis of loading but at same depth
  • e
    An unsupported excavation is made to maximum possible depth in a clay soil having bulk density 18kN/m 3, C = 100kN/m 2, angle of internal friction = 30 o. Determine active earth pressure according to Rankine’s theory a t the base level of excavation
Section CAttempt any one part of the following: 10 x 1 = 10
  • a
    If a soil sample has a dry unit weight of 18 KN/m3, moistur e content of 10% and
  • a
    specific gravity of solids particles is 2.7. Calculate the following:
    i) The void ratio.
ii) Moisture and saturated unit weight.
iii) The mass of water to be added to cubic meter of soil to reach 80% saturation
  • b
    The in-situ void ratio of a granular soil deposit is 0.50. The maximum and
    minimum void ratios are 0.75 and 0.35. If Gs = 2.7 determine th e relative density
and relative com
paction of the deposit
  • b
    Define piping failure and its measure for rectification
  • a
    An undisturbed sample of clay, 24mm thick, consolidated 50% in 20 minutes, when tested in the laboratory with double drainage. The clay layer from which the sample was obtained, is 4m thick in the field. How much time wi ll it take to consolidate 50% with double drainage?
  • b
    Derive the ex pression for Terzaghi’s one dimensional consolidation
  • a
    An embankment 5m high is made of up of soil whose effective stress parameter are c & Φ 39; = 50kN/m 2 and = 16° and Y = 16 kN/m 3. The pore pressure parameters as found from triaxial tests are A = 0.4 and B = 0.4 9. Find the shear strength of soil at base of the embankment just after the soil has been raised from 5m to 8m.Assume the dissipation of pore pressure to be neg ligible and that lateral pressure at any point is half of vertical pressure
  • b
    Derive an expression for ve rtical stress under uniformly loaded circular area
  • a
    Compute the intensities of active and passive earth pressur e at depth of 8 m in dry cohesion less sand with an angle of internal friction of 30 degree and unit w e i g h t o f 1 8 k N / m2. What will be the intensities of active and passive earth pressure if the water level rises to the ground level? γ sand =20kN/m3
  • b
    A slope is to be constructed in a soil for which c = 0 and φ = 36°. It is to be assumed that the water level may occasionally reach the surface of a slope, with seepage taking place parallel to the slope. Determine the maxim um slope angle
  • f
    o r a f a c t o r o f s a f e l y 1 . 5 , a s s u m i n g a p o t e n t i a l f a i l u r e s u r f a ce parallel to the slope. What would be the factor o f safety of the slope, constru cted at this angle, if the water table should be well below the surface? The satura ted unit weight of the soil is 20 kN/m3

Question text is extracted from the official AKTU question paper PDF above. Hindi translations are omitted — every question is printed in English in the original paper. Last verified: 2026-08-23.

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