Summary: Introduction Building Physics And Material Science
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Week 1
This is a preview. There are 48 more flashcards available for chapter 02/02/2020
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What are important aspects for a building?
- Topology
- Morphology
- Geometry
- Texture
- Surface
- Materialization -
What is the influence of thermal insulation?
Facades went from being monolithic (19th century) to layered (20th century) -
The stiffness of a material depends on...
The atomic bonding
- Primary (metal, ionic, covalent)
- Secondary (Van der Waals bonds) -
What is body stiffness?
E times I (Moment of Inertia, determined by shape) -
What is the consequence of brittleness?
There is just compressive strength, meaning there can only be a small span -
What is the property of hardness?
Resistance of a surface against identation by a harder material -
What are some physical properties?
Thermal (conductivity, capacity, expansion)
Microstructural (density, porosity, permeability)
Optical (colour, texture, reflection)
Electrical
Magnetic -
What is a monolithic facade?
This facade is made of one layer of a material -
Why does one apply multiple layers in a facade?
Thermal resistances can be added, which means the transmittance is U = 1/Rt -
What does porosity affect?
- Mechanical properties: compressive, tensile and flexural strength, E-modulus
- Physical properties: Thermal conductivity, sound absorption, liquid/gas transfer, capillarity
- Surface roughness (adherence of dirt) --> increases damage risks
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