GTU · BE Civil · Semester 5
GTU 3150615 Soil Mechanics Old Question Papers PDF
Official Gujarat Technological University (GTU) old question papers PDF (Regular & Remedial) and step-by-step solved questions for Soil Mechanics across 2023 – 2026 examinations.
33 questions GTU asked more than onceAsked in 5 of 6 papers: A strip footing of 3 m width is placed at 3.5 m depth below Ground Level. Determine ultimate bearing capacity usingSee listExam papers
Most repeated questions
33 questions GTU set in two or more of 6 papers, most repeated first. Tap a year to open that paper at the question.
A strip footing of 3 m width is placed at 3.5 m depth below Ground Level. Determine ultimate bearing capacity using
Summer 2026 Q2c OR Winter 2025 Q4c Summer 2025 Q3c Winter 2023 Q2c OR Summer 2023 Q4c OR
Explain the concept of isobars and pressure bulb.
Summer 2026 Q3a OR Summer 2025 Q4a OR Summer 2024 Q1a Winter 2023 Q5b OR
Describe the standard penetration test. In what way is it useful in foundation design?
Winter 2025 Q4a Summer 2024 Q3b OR Winter 2023 Q3c Summer 2023 Q1b
A standard penetration test is conducted at a depth of 5 m in saturated fine sand having unit weight 20 kN/m³. If observed N value is 25, then estimate the corrected N value.
Explain types of slope failure with sketches.
A vertical cut is made in a clay deposit having c= 30 kN/ m², ɸ=0 , γ = 17 kN/m³. Determine the maximum depth of cut so that the cut is stable. Take Sn= 0.26
Describe the different applications of geogrid, geomembrane, and geocell.
Explain in brief about any two types of geosynthetics.
Discuss the various factors that affect the bearing capacity of a shallow footing.
Explain shear tests based on drainage condition.
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Explain the working principle of wash boring.
Distinguish between general shear failure and local shear failure.
Derive the principle of construction of Newmark’s chart and explain its use.
A concentrated load of 50 kN acts on the surface of a homogeneous soil mass of large extent. Estimate the stress intensity at a depth of 5 m; (a) Directly under the load, and (b) At a horizontal distance of 5 m. Use Boussinesq’s equation. Analyse and compare the results: Which location experiences higher stress? Why?
Evaluate the area ratio of a thin-walled tube sampler having an external diameter of 100 mm and wall thickness of 2 mm.
Write down the Procedure for Shear strength determination using Direct shear test with neat sketch.
A direct shear test was carried out on a soil sample and following results were obtained. Normal stress kN/m² 150 200 Shear stress kN/m² 110 120 Compute deviator stress if a triaxial test is carried out on the same soil with cell pressue of 150 kN/m².
Shear box test results for three clay specimens are provided as: Normal stress (kPa): 145, 241, 337; and Shear stress at failure (kPa): 103, 117, 132 Plot the failure envelope and analyze the soil’s behavior. Discuss whether the soil exhibits purely cohesive, purely frictional, or c–φ characteristics.
Explain in detail Plate load test with neat sketch. Its importance and out puts from this test.
Describe Taylor’s stability number and its use in slope analysis.
Estimate net safe bearing capacity of a strip footing 1.5 m wide & 1.5 m depth, resting on a deep sand bed, consider, γ =18 kN/m³, and bearing capacity factors NC = 35.5, Nq = 23.2, Nγ = 22 corresponding to φ = 38˚and factor of safety = 3. Use Terzaghi equation. For a given footing that must support twice its net safe load, consider two designs:Option A: widen the footing to about B = 2.5 m at Df = 1.5 m; Option B: keep B = 1.5 m but deepen to Df = 3.75 m.Which option is more economical, and why?
A 30 cm diameter pile is driven into a homogeneous clay (C = 45 kPa, N c =
Explain Swedish circle method of stability analysis
Draw split spoon sampler with its notations.
A 25 kN weight pile is inserted using single acting steam hammer with a free fall of 1.2 m. The avg. penetration of last 20 blow is 20 mm. Find the safe load using the ENR formula.
Explain how the water table effects on bearing capacity.
Write short note on Under reamed pile in expansive soil.
Describe geophysical exploration using electrical resistivity method.
Explain the difference between finite and infinite slope.
State the benefits of the triaxial test.
Suggest methods to improve slope stability.
What are the assumptions made in Terzaghi’s analysis of bearing capacity of a strip footing?
Define subsoil exploration and state its objectives
Which branches take this subject
GTU's syllabus lists 3150615 for 1 branch. One set of papers serves all of them.
Semester 5, elective: 1 branch
Civil Engineering
Other Semester 5 subjects
Common questions
Are these GTU 3150615 Soil Mechanics papers valid for both Regular and Remedial exams?
Yes. Gujarat Technological University (GTU) follows the same 70-mark syllabus, exam blueprint, and 23-mark passing cutoff for both Regular and Remedial (ATKT/backlog) examinations. All 7 past exam sessions (2023 – 2026) serve as comprehensive preparation for either attempt.
How can I download GTU 3150615 Soil Mechanics old question papers PDF?
You can download official GTU 3150615 original question paper PDFs directly from the table above with 1 click and zero deceptive ads or wait timers. Every paper also includes interactive online questions with AI study prompts.
What is the passing mark for GTU Soil Mechanics (3150615)?
The external theory exam carries 70 marks. The minimum passing cutoff is 23 marks (33%). Exam duration is 2.5 hours.
What is the GTU exam pattern for 3150615?
The examination contains 5 main questions of 14 marks each, totaling 70 marks. Questions 2 through 5 provide internal OR choices, typically split into 3-mark, 4-mark, and 7-mark questions.