Q.1
14 Marks(a)
Enlist the objectives of soil investigation.
(b)
Differentiate between auger boring and wash boring.
(c)
Describe geophysical methods of explorations.
Gujarat Technological UniversitySummer 2026 examination
GTU 3160616 Foundation Engineering Summer 2026 Question Paper & PDF
B.E. · Civil Engineering · Semester 6 · Subject code 3160616
- Total
- 70 marks
- To pass
- 23 marks (33%)
- Duration
- 2.5 Hours 10:30 AM – 1:00 PM
- Questions
- 5 with internal choice
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Q.2
14 Marks(a)
A builder wants to construct G +2 type residential unit in the plot, whose total area is 5000 m². The plot is in well develop area and rectangular in shape. Plan the exploration program.
(b)
Draw the sketch of standard spilt spoon sampler and labeled all the parts.
(c)
Illustrate standard penetration test with necessary corrections.
OR
(c)
Illustrate direct method of soil investigation.
Q.3
14 Marks(a)
Describe Mayerhof’s analysis.
(b)
Discuss the effect of eccentric loading on the Bearing capacity of soil
(c)
A 1.2 m wide footing is placed in dense sand at depth of 1.0 m. The soil properties are C = 0, γ = 19 kN/m³, Ø = 35°. Take bearing capacity factor Nc, 57.8, = Nq = 41.4, and Nγ =42.4 Determine the safe bearing capacity with Factor of safety 2.5.
OR
(a)
Describe Skemton’s Theory for Nc value.
(b)
Discuss contact pressure for rigid pavement on clayey soil.
(c)
A square footing with 1.8 m side is located at depth of 1.3 m. The soil has unit weight of 17 kN/m³, cohesion 10 kN/m², Ø = 30º. Take, factor of safety 3.0. Nc, 37.2, = Nq = 22.5, and Nγ = 19.7. Calculate the load carrying capacity of footing.
Q.4
14 Marks(a)
Illustrate the group efficiency of pile.
(b)
Describe pile load test.
(c)
A concrete pile 25 cm in diameter is driven into a dense sand up to 12.0 m depth. Estimate the safe load on pile with factor of safety 2.5. Take γ= 21 kN/m³, K = 2.0, tanδ = 0.6 and critical depth 5 m Nq = 80.
OR
(a)
Describe under reamed pile.
(b)
Enlist the methods to determine load carrying capacity of pile foundation, and explain any one detail.
(c)
A pile group consists of 15 pile of 300 mm diameter arraigned in 3 x 5 pattern. The center-to-center distance between piles are 900 mm. The depth of pile is 15 m. The soil is having cohesion 40 kN/m². Neglect end bearing, determine load carrying capacity of pile group. Take adhesion factor 0.6.
Q.5
14 Marks(a)
State the application of CNS layer in Expansive soil.
(b)
A trapezoidal wall 0.9 m at top and 1.5 m at bottom is 4 m in height. The wall supports backfill up to full heights. The unit weight of the backfill is 18 kN/m³ and that of wall is 25 kN/m³. Determine the FOS against overturning. Take Ø = 30º.
(c)
State the application of geosynthetics as a reinforcement with sketch.
OR
(a)
Describe the characteristics of Kaolin, Montmorillonite, and Illite minerals.
(b)
A cantilever sheet pile retains soil up to 6 m height. Determine the depth of zero pressure if unit weight is 18 kN/m³ and Ø = 30º.
(c)
State the application of Geo-membrane as a fluid barrier with sketch.
Other Semester 6 subjects
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About this paper
Official Gujarat Technological University (GTU) examination paper for Foundation Engineering (Summer 2026, B.E. · Civil Engineering, Sem 6). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.
Transcribed for student exam preparation from Gujarat Technological University official examination archives. Questions, syllabus guidelines, and curriculum marking schemes remain the intellectual property of Gujarat Technological University.