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
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?
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
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
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
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