LatestShallow foundations
Raft Foundation: Types, Design and When to Use One
What a raft (mat) foundation is, when to use one, its types and how it's designed, with a worked example of its contact pressure and bearing capacity.
20 min read
Articles on it
Retaining walls
MSE Wall Design: Step-by-Step with a Worked Example
How an MSE wall is designed inside and out: geogrid tension, pullout, sliding and bearing, worked through a 6 m wall in SI and imperial units.
21 min read
Earthworks
Soil Compaction: How to Specify and Verify Fill Density
How soil compaction is specified and verified on site: Proctor maximum dry density, relative compaction from a sand replacement test, and a worked example.
19 min read
Shallow foundations
Isolated, Spread and Combined Footings: Types and Design
Isolated, strip, combined and strap footings: when to use each, how deep to found them and how to design them, with two worked examples.
18 min read
Retaining walls
Shoring Design: Excavation Support with a Worked Example
How shoring design works: apparent earth pressure for braced cuts, strut and wale loads, sheet pile sizing, and a 6 m excavation worked step by step.
18 min read
Shallow foundations
Bearing Capacity of Soil: Equations, Values and Examples
How to calculate the bearing capacity of soil: Terzaghi's and the general equation, the water table, eccentric loads, typical values and a worked example.
18 min read
Shallow foundations
Foundation Settlement: Calculation and Tolerable Limits
How to calculate foundation settlement step by step: immediate and consolidation settlement methods, tolerable limits, and a full worked example.
14 min read
Geotechnical investigation
How to Read a Geotechnical Report, Step by Step
How to read a geotechnical report: the borehole log, SPT and lab results, bearing capacity and settlement, with a worked example.
11 min read
Foundations
Geotechnical Engineering: What It Is and What It Covers
What geotechnical engineering is and what it covers: how soil behaves, site investigation, foundations, walls, slopes and water, and how designs are checked.
15 min read
Deep foundations
Pile Foundation: Types, Design and Capacity Calculation
What a pile foundation is, its types and how piles are installed, and how to calculate pile capacity by the alpha and beta methods, with a worked example.
26 min read
Deep foundations
Underpinning Methods: Types, Uses and How to Choose One
How the main underpinning methods transfer load to competent ground, when each one is used, and the load checks and sequence rules that make the work safe.
20 min read
From theory to design, in minutes.
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