Engineering
Practical engineering guides, worked examples, case studies and tools across civil, structural, mechanical, electrical and other disciplines.
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How to Calculate Bricks and Mortar for a Wall (Worked Examples)
Bricks per m² for Australian, UK, Indian and US bricks, mortar by subtraction, cement and sand for any mix, and…
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Earthwork Volume Calculation: Average End Area, Prismoidal and Grid Methods
Cut and fill volumes from cross-sections and grid levels, the prismoidal correction, a balanced pad level and bank to loose…
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Shear Force and Bending Moment Diagrams: Step-by-Step Worked Examples
How to draw shear force and bending moment diagrams, with five worked beams, the load-shear-moment rules and a table of…
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Moment of Inertia of Common Sections: Formulas and Worked Examples
Second moment of area formulas for common sections, the parallel axis theorem, and worked examples for a rectangle, a tube,…
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Soil Compaction Test Methods: Proctor, Sand Cone, Nuclear Gauge and Hilf
Lab and field compaction tests explained, with a worked sand replacement example, typical targets and lot testing rules.
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Stirrup Cutting Length Calculation: Formula, Hooks and Worked Examples
The stirrup cutting length formula worked for a 230 mm column and a 300 × 450 mm beam, with code…
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How to Set Out a Building: Baselines, 3-4-5, Diagonals and Profiles
How to set out a small building from the boundary: baseline, corners, 3-4-5 and diagonal checks, profile boards and levels,…
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Concrete Slump Test: Procedure, Tolerances and What the Result Means
Step-by-step slump test procedure, how the Australian, US and European methods differ, AS 1379 tolerances and what to do with…
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Rise and Fall Method of Levelling: Worked Example and Checks
How to book and reduce levels by rise and fall, with a full worked run, the three-way check, loop misclosure…
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How to Calculate Concrete Volume: Formulas and Worked Examples
Formulas and worked examples for slabs, edge beams, footings, columns, beams and stairs, plus wastage, ready-mix ordering and site-mix quantities.