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43 Cards in this Set
- Front
- Back
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What is a structure (def) |
The load carrying part if a building which ensures the building stands safely under its own weight and under the worst conditions of eternally applied force |
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What is this defining? The load carrying part if a building which ensures the building stands safely under its own weight and under the worst conditions of eternally applied force |
A structure |
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Give 6 main materials that buildings are made from? |
Concrete Masonry Steel Glass Timber Metal |
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Three ways you can define or identify a building |
Material Hight Structure |
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How many story's is a low rise |
1-3 stories |
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How many story's is a medium rise |
4-12 |
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How many story's is a high rise |
13+ |
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Name the two structures of a building |
Load bearing and framed structure |
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Framed structures are usually made of what 3 materials |
Concrete, steel, timber |
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Load bearing structures are usually made form what material |
Masonry |
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What is the limitation of length for load bearing structures |
15m |
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Define superstructure |
The section of a structure constructed above the damp proof course |
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What is this defining the section if a structure constructed above the damp proof course |
Superstructure |
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Define substructure |
The section if a structure constructed below the damp proof course |
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What is this defining the section if a structure constructed below the damp proof course |
Substructure |
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Define Primary elements |
The elements of a building necessary to carry the load and ensure the structure is stable |
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What is this defining The elements of a building necessary to carry load and ensure the structure is stable |
The primary elements |
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Define secondary elements |
The nonessential structural parts of a building that do not carry loads |
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What is this defining the nonessential structural parts of a building that do not carry load |
Secondary elements |
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Define deadload |
Loads encountered due to the structure and material forces / weight usually permenant |
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What is this defining Loads encountered due to structure and material forces / weight, usually permanent |
Dead load |
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Define live loads |
Loads made by anything temporary that can be moved or taken from the house without effecting the structure |
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What is this defining Loads made by anything temporary that can be moved or taken from the house without effecting the structure |
Live load |
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Define wind load |
Temporary loads inflicted due to weather |
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What is this defining temporary loads inflicted due to weather |
Wind load |
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What are the 3 main types of load |
Dead load Live load Wind load |
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Describe the load path of a framed structure |
Slab to beam to column to foundation |
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Describe the load path of a load bearing structure |
Floor to wall to foundation |
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Define artificial foundations |
Primary elements which transmit loads from the structure to the natural foundation |
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What is this defining primary elements which transmit loads from the structure to the natural foundation |
Artificial foundation |
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Define natural foundation |
Part of the sub soul on which the structure rests |
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What is this defining part of the sub soil on which the structure rests |
Natural foundation |
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Define damp proof course |
A barrier in the building that prevents the passage of water though capillary action (rising damp) though the use of damp proof membranes |
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What is this defining a barrier in the building that prevents the passage of water though capillary action rising damp though the use of damp proof membranes |
Damp proof course |
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What are the two basic functions of foundations |
Spread the load exerted by the building over a sufficiently wide area Divert or transfer the load to the starts deep in the soil |
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What are the 4 reasons we study soils |
To understand and predict how they will behave under certain conditions Ensure sub soil is capable of resisting load Ensure load transferred will not exceed resistance capacity Select a suitable foundation type |
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How deep is top soil |
150mm - 230mm |
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Define bearing pressure |
The load per unit area exerted by the live dead and wind loads measured in kn/m2 |
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What is this defining the load per unit area exerted by the live dead and wind loads measured in kn/m2 |
Bearing pressure |
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What is bearing pressure and bearing capacity measured in |
KN/m2 |
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Define bearing capacity |
The safe load a unit of ground will carry measured in kn/m2 |
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What is this defining the safe load a unit of ground will carry measured in kn/m2 |
Bearing capacity |
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What are some properties of rock soil |
High baring capacity Good to build on Expensive to excavate Cavities are filled Issues of diffential movement if Rock and other material supporting building |
