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BTECH MIDTERM > Alternative Building Construction System > Flashcards

Alternative Building Construction System Flashcards

1
Q

What building materials use non-recycled products that cause harm to the environment

A

Conventional building materials

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2
Q

What building materials uses recycled products, hence they are environmentally preferable

A

Alternative building materials

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3
Q

is the combination of materials used to build the roof, walls and floor of your home

A

Construction system

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4
Q

Generally suit cold and temperate climates

A

High-mass systems and good passive design

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5
Q

Generally suit hot humid climates

A

Low-mass systems

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6
Q

Types of construction systems

A

• On-site construction
• modular construction systems

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7
Q

traditional method of constructing new homes

A

On-site built home

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8
Q

Most of the work is compl off site in a factory environment

A

Modular construction systems

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9
Q

Two different approaches to modular construction

A

•Flat pack or component modular construction
• Big Box or volumetric modular construction

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10
Q

large component of the house are prefabricated to varying stages of completeness in a factory, and stacked for transport on a truck.

A

Flat pack or component modular construction

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11
Q

whole and complete components are taken to site by a truck, and joined up to make the whole building.

A

Big box or volumetric modular construction

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12
Q

This is the most common system and demands the least amount of time on site.

A

Big box or volumetric modular construction

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13
Q

Prefabricated homes can be constructed using a

A

-folding panel system
-precast concrete
-structural insulated panels
-steel or timber framed modular

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14
Q

One of the key differences between various construction systems is their

A

Mass content

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15
Q

contribute differently to thermal performance depending on the climate zone they are used in and how they are designed to interact with or moderate the climate

A

High and low mass materials

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16
Q

In temperate and cold climates, high mass construction can contribute to thermal comfort by

A

Absorbing solar heat during the day and releasing it at night

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17
Q

must be used to ensure mass is exposed internally and insulated externally

A

Passive design principles

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18
Q

In hot and humid climates, low mass construction works better to encourage

A

Passive cooling

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19
Q

can reduce heating and cooling energy use

A

High mass systems

20
Q

are most appropriate in climates with high diurnal (day-night) temperature ranges

A

High-mass systems

21
Q

can be liability in tropical climates where energy is used only for cooling

A

High mass systems

22
Q

Generally have higher embodied energy

A

High-mass systems

23
Q

Requires more substantial footing systems and cause greater site impact and disturbance

A

High mass systems

24
Q

Are often quarried and processed with high environmental impact

A

High mass systems

25
Q

require careful cost-benefit analysis on remote sites where transport needs are significant

A

High-mass systems

26
Q

respond rapidly to external temperature changes or heating and cooling input

A

Lightweight systems

27
Q

Can provide significant benefits in temperature and hot climates by cooling rapidly at night

A

Lightweight systems

28
Q

May require more heating and cooling energy in high diurnal range climates

A

Lightweight systems

29
Q

Generally have lower embodied energy

A

Lightweight systems

30
Q

Are often preferable on remote sites with high materials transport cost

A

Lightweight systems

31
Q

Can have thermal mass added through inclusion of water-filled containers or phase-change materials

A

Lightweight systems

32
Q

Can have lower production impact if sustainably sourced

A

Lightweight systems

33
Q

in temperate climates, the best overall outcome is most simply achieved with

A

Concrete slab-on-ground and lightweight walls

34
Q

are base of your home

A

Footings

35
Q

They are the structures that transfer the weight of the home to the foundation material, most commonly soil.

A

Footings

36
Q

Must be designed to suit the site’s soil conditions and provide adequate tie-down for the building structure under the site’s wind classification.

A

Footing systems

37
Q

Footing systems options include:

A

• lightweight framed systems
• concrete slab integrated footings
• waffle pod slabs
• detached strip footings
• engineered steel pile systems

38
Q

These have the lowest site impact and embodied energy

A

Lightweight framed systems

39
Q

These require substantial excavation on all but level sites, increasing impact.

A

Concrete slab integrated footings

40
Q

They can reduce construction cost where the slope is low.

A

Concrete slab integrated footings

41
Q

They can be an effective part of passive design where the climate allows for earth coupling.

A

Concrete slab integrated footings

42
Q

These can be cost-effective solution on flat sites and they don’t require major excavation

A

Waffle pod slabs

43
Q

They can reduce wastage and have lower embodied energy than a typical concrete slab

A

Waffle pod slabs

44
Q

These, combined with load bearing brickwork to floor level, can reduce excavation.

A

Detached strip footings

45
Q

These can support masonry walls, reduce excavation and site impact, and make for faster construction.

A

Engineered steel pile systems

46
Q

Cost varies with application but these systems are generally more expensive than strip footings.

A

Engineered steel pile systems

BTECH MIDTERM (5 decks)

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