B.TechSemester 52023-24Geotechnical EngineeringKCE501
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Geotechnical Engineering (KCE501) - AKTU Question Paper 2023-24

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 2023-24. 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:2023-24
University:AKTU / UPTU

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Questions Asked in 2023-24

Geotechnical Engineering (KCE501) — complete question paper · 100 marks · 3 Hours

Section AAttempt all q u e s t i o n s i n b r i e f .
  • a
    Discuss plasticity index and liquidity index. 2 1
  • b
    Write down the expressions for coefficient of uniformity and co efficient of curvature
  • c
    What are the limitations of Darcy’s law? 2 2
  • d
    Define the term quick sand condition. 2 2
  • e
    Discuss the factors affecting the time factor and degree of consolidation. 2 3
  • f
    What do you mean by soil compaction? 2 3
  • g
    What are the assumptions of Westergaard’s theory? 2 4
  • h
    Write down the various tests for determining the shear strength of soil. 2 4 i. Give the expression for stability number. 2 5 j. Define slope. Where it is used? 2 5
Section BAttempt any three o f t h e f o l l o w i n g :
  • a
    A soil specimen has a water content of 15% and a wet unit weight of 25kN/m3.
    If the specific gravity of solids is 2.70, Determine the dry unit weight, void ratio,
and degree of saturation, take ϒw = 10kN/m3
  • b
    Describe Darcy’s law and give its validity. 10 2
  • c
    Write a short note on: A. Normally consolidated soils and over consolidated soils. B. Coefficient of compressibility and coefficient of volume change. C. Compression index, swelling index and recompression index
  • d
    In an in-situ vane shear test on saturated clay, a torque of 35 N-m was required to shear the soil. The diameter of the vane was 50 mm and lengt h 100 mm. Calculate the undrained shear strength of the clay. The vane wa s then rotated rapidly to cause remoulding of the soil. The torque required to shear the soil in the remoulded state was 5 N m. Determine the sensitivity of the clay
  • e
    What are the different types of slope failures? Explain with Diagrams. 10 5
Section CAttempt any one p a r t o f t h e f o l l o w i n g :
  • a
    The mass specific gravity of a fully saturated specimen of clay having a water content of 30.5% is 1.96. On oven drying, the mass specific gra vity drops to 1.60. calculate the specific gravity of clay
  • b
    A partially saturated sample from a borrow pit has a natural moisture content of
    15 % and bulk unit weight of 1.9 g/cc. The specific gravity of solids is 2.70.
Determine the degree of saturation and void ratio. What will be the unit weight
of the sample on saturation?
  • a
    A granular soil deposit has 10 m depth over an impermeable laye r. The ground water table is at 5 m depth below ground surface. The soil is m oist up to 2 m from water table with degree of saturation of 50 %. Plot the va riation of total stress, pore water pressure and effective stress. Take e = 0.6 and G = 2.67
  • b
    How would you determine seepage by using flow net? 10 2
  • a
    What are various types of field compacting equipment’s? Which types of rollers are suited for clayey and gravel soils? Also give specifications of such rollers
  • b
    A saturated clay layer of 5 m thickness takes 1.5 years for 50 % primary consolidation, when drained on both sides. Its coefficient of volume change mv is 1.5 × 10–3 m2/kN. Determine the coefficient of consolidation (in m 2/yr.) and the coefficient of permeability (in m/yr.)
  • a
    A concentrated load of 30 kN acts on the surface of a homogeneo us soil mass of large extent. Find the stress intensity at a depth of 8 m an d (i) directly under the load; (ii) at a horizontal distance of 6 m
  • b
    State the assumptions implied in the use of the Boussinesq’s theory to determine the vertical stress in a soil. An elevated structure with a tot al weight of 10,000 kN is supported on a tower with 4 legs. The legs rest on piers located at the corners of a square 6 m on a side. What is the vertical stress increment due to this loading at a point 7 m beneath the Centre of the structure?
  • a
    A retaining wall with a smooth vertical back face has to retain a backfill of c – Ø soil up to 6 m above ground level. The surface of the backfil l is horizontal and it has the following properties: 3, c = 1.7 t/m2 and Ø = 150. i. Plot the distribution of active earth pressure on the wall. ii. Determine the magnitude and point of application of active thrust. iii. Determine the depth of the zone of tension cracks
  • b
    How a slope is analyzed using Swedish Circle method? Derive an expression for the factor of safety

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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