Loads 1 (SANS 10160)

Learn where the design loads come from: actions and combinations, permanent and imposed loads, wind, and the load take-down to a column and its footing, to SANS 10160. Each lesson has short theory with many sketches, a worked example by hand, the same problem in a STATIX tool where there is one, exercises and a quiz.

Lessons

Lesson 1Actions, limit states and combinationsPermanent, imposed and wind actions, characteristic values, partial factors, STR, STR-P, the 0.9 G uplift case and SLS. Lesson 2Permanent loadsDensities and layers, floor build-ups, walls, fixed and movable partitions, beam and steel self-weight, roofs. Lesson 3Imposed loadsCategories, point loads, partitions, storage, roofs by loaded area, reductions and ψ. Lesson 4Wind 1: basic wind speed to peak pressureBasic wind speed, air density by altitude, terrain, c_r(z), topography and q_p. Lesson 5Wind 2: pressure coefficients and a portal frameWall and roof zones, internal pressure, net and local pressures, and the wind loads on a portal frame. Lesson 6Load paths and take-downTributary areas, the 45° rule, wall line loads, the column take-down with G and Q apart, and the pad footing at SLS and ULS.

Who it is for

Students in civil and structural engineering.
Graduate engineers working towards registration.
Technologists who work out loads for beams, columns, roofs and footings.
Draughtsmen and detailers who want to know where the loads on a drawing come from.

The STATIX tools it uses

Lessons 1 and 6: the pad footing calculator, which takes G, Q and W apart and makes the combinations.
Lessons 2 and 3: the quick tools for densities and imposed loads.
Lessons 4 and 5: the wind load calculator (SANS 10160-3).

How each lesson works

Learning outcomes and what you need before you start.
Short theory, with SANS clause numbers to look up in your own copy of the code.
A worked example, every number shown step by step.
The same problem in a STATIX tool, so you can check your hand answer.
Exercises with answers, a short self-check quiz and the lesson on one page.

Universities and colleges

Universities and colleges: one licence for the department; students sign in with their university email. Lecturers can use the lessons and the tools in class and in tutorials.

Course material for learning, not a design. Check every value against the current code and your own project, and have the design checked and signed by a registered professional engineer.

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