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APPLIED BUILDING SCIENCE

Contents

Module  1

Archimedes ‘principle and flotation

SI units and symbols

Archimedes principle

How to determine specific gravity

What makes an object float?

How does a hydrometer work ?

What is density?

What is relative density?

Answers to self-assessment exercises

 

Module 2

Surface tension

What is surface tension?

What is porosity

What is saturation?

Answers to self-assessment exercises

 

3 Module

Roof coverings

Roof covering materials

Summary

Spacings for roof trusses

Answers to self-assessment exercise

 

Module-4

Heat

How does heat affect matter?

Temperature

Thermometers

The expansion and contraction of materials

What is specific heat capacity?

The linear expansion of substances

Heat insulation

Answers to self-assessment exercises

 

Module-5

Concurrent forces

What is a force?

Bow’s notation

The triangle of forces

Angles and directions of forces

How to determine the vertical and horizontal

Components graphically

The polygon of forces

How to calculate the vertical and horizontal

Components

How to calculate the resultant and equilibrant

Of a system of forces

 

Module 6

Forces and the funicular or link polygon

The funicular or link polygon

The resultant of forces acting on a beam

Beams with overhanging ends

 

Module 7

Moments

What is the moment of a force?

The law of moments

Beams without overhanging ends

Beams with overhanging ends

The resultant of forces acting on a beam

Answers to self-assessment exercises

 

Module 8

Couples, cancroids and center of gravity

What is a couple ?

What is a Centroid?

 

Module 9 frames

What is a frame?

Tensile and compressive forces

How to identify the members in a frame

A graphical solution to frames