Key takeaways
- Eight sections from site investigation to ground improvement.
- Terzaghi's equations for strip, square and circular footings with the water table effect.
- Worked examples for bearing capacity, plate load settlement, pile capacity and group efficiency.
- Tables for bearing capacity terms, shear failure modes, footing types and ground improvement methods.
- Original Uncodemy notes; check your syllabus and the current IS codes.
About these Foundation Engineering notes
Foundation Engineering builds directly on Soil Mechanics. It asks two questions for every foundation: will the soil fail in shear, and will the settlement stay within limits? These notes keep both checks in view and give short worked examples for the numericals that decide most of your marks.
These are original Uncodemy revision notes. They follow the topics common to most Indian B.Tech Civil syllabi for Foundation Engineering, written in a neat handwritten style with formulas boxed and key numbers highlighted. They are short notes for revision, not a replacement for your textbook or class notes.
What's inside the notes: unit by unit
The PDF moves from finding out what the ground is like to choosing and checking the foundation.
Unit 1: Soil exploration
- Site investigation: stages and methods: test pits, auger, wash, rotary and percussion boring, and geophysical methods.
- Sampling: area ratio, inside clearance, recovery ratio and types of samplers.
- SPT and other in-situ tests: SPT procedure and corrections, cone penetration, vane shear and pressuremeter.
Unit 2: Bearing capacity
- Terms: ultimate, net ultimate, net safe and safe bearing capacity, and allowable bearing pressure.
- Modes of shear failure: general, local and punching shear.
- Terzaghi's equations: strip, square and circular footings, local shear, and the effect of the water table, with an example.
Unit 3: Settlement and plate load test
- Types of settlement: immediate, consolidation and secondary, and differential settlement.
- Plate load test: procedure, settlement relation for sand and clay, and limitations, with an example.
Unit 4: Shallow foundations
- Types: isolated, combined, strip, strap and raft footings and when each is used.
- Proportioning: combined footing shape, floating raft and the e ≤ B/6 rule for eccentric loads.
Unit 5: Pile foundations
- Classification: piles by function and material, and under-reamed piles.
- Pile capacity: static formula in clay and sand, dynamic formulae and pile load tests, with an example.
- Pile groups: spacing, Converse-Labarre efficiency, block failure and negative skin friction.
Unit 6: Well foundations and caissons
- Components and shapes: cutting edge, curb, steining, plugs and well cap.
- Sinking problems: tilt and shift and their remedies, grip length and scour depth.
Unit 7: Retaining walls and ground improvement
- Retaining wall checks: overturning, sliding, bearing pressure and overall stability.
- Sheet piles, braced cuts and cofferdams: types and basic design ideas.
- Ground improvement and expansive soils: vibroflotation, preloading with drains, stone columns, grouting and stabilisation.
How the PDF is laid out
Each section opens with short definitions in bullet form, followed by tables that compare types, tests or methods. Formulas are written in separate boxes so they stand out when you flip through the pages, and the values that examiners ask most often are highlighted. Short tip boxes point out exam favourites and common traps. Wherever a formula is used in exams, a short solved example shows the steps with real numbers. The last page lists 10 most asked practice questions so you can test yourself after revising.
How to revise Foundation Engineering
- Learn the bearing capacity terms first. Gross, net, safe and allowable are used in almost every question. Write their relations on one line.
- Practise one footing problem per day. Strip, square and circular footings with and without water table.
- Draw failure modes and pile groups. Sketches of general, local and punching shear, and of a pile group block, score easily.
- Keep a pile formula card. Static formula in clay and sand, Engineering News formula and group efficiency.
- Revise well foundation parts with a labelled sketch. It is a common long answer.
Exam focus: high-weightage topics and numericals
Most papers include one bearing capacity problem and one pile problem. Prepare these:
- SPT procedure and corrections.
- Modes of shear failure and Terzaghi's bearing capacity theory.
- Effect of water table on bearing capacity.
- Pile capacity, group efficiency and negative skin friction.
- Well foundation components and remedies for tilt and shift.
Typical numericals to practise
- Find the ultimate and safe bearing capacity of a strip or square footing.
- Find footing settlement from plate load test data in sand.
- Find the capacity of a bored pile in clay using the static formula.
- Find pile group efficiency and group capacity in clay.
- Find the area ratio of a sampler and comment on sample quality.
A one-week plan with these notes
If your Foundation Engineering exam is a week away, this plan covers the whole PDF once and leaves time for practice.
- Day 1: Soil exploration and Bearing capacity. Read the section, then close the PDF and write the key formulas and tables from memory.
- Day 2: Settlement and plate load test and Shallow foundations. Read the section, then close the PDF and write the key formulas and tables from memory.
- Day 3: Pile foundations and Well foundations and caissons. Read the section, then close the PDF and write the key formulas and tables from memory.
- Day 4: Retaining walls and ground improvement. Read the section, then close the PDF and write the key formulas and tables from memory.
- Day 5: redo every solved example in the notes without looking at the steps.
- Day 6: answer the 10 practice questions at the end of the PDF under a time limit.
- Day 7: solve one recent official paper from your university and revise the topics you got wrong.
Who these notes are for
- B.Tech semester exams: covers the theory and the standard numericals of the Foundation Engineering paper.
- GATE CE basics: bearing capacity with water table, pile capacity, group efficiency and plate load settlement are frequent GATE CE questions.
- Site work and interviews: site engineers and interview candidates get quick notes on SPT, footing types and piles.
Check your own syllabus and the current IS codes
Universities split and order these topics differently, and some leave out units or add extra ones. Match the notes against your own university syllabus and recent official question papers before you plan your revision. The notes refer to IS 6403 for bearing capacity factors; footing design also uses IS 456, and pile design has its own IS 2911 series. Codes are revised from time to time, so check the current edition and any amendments before you use a value in design work or quote it in an answer. Uncodemy keeps a list of previous year question paper sources if you want official papers to practise with.
Download Foundation Engineering Handwritten Notes PDF
Foundation Engineering Handwritten Notes PDF
The PDF carries the same content as this page in a clean, print-ready layout, so you can read it offline and keep it for revision.
7 pages · 243 KB · PDF · Updated 5 Nov 2026