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Iona Orams

Week 5 Studio Journal

This week we continued analysing the Eastern

-

ENVS10003 Timber batterns screw-fixed to steel T-

Precinct Project plans in order to fully understand

plates used for both shading and aesthetic

the representation of various systems within the

purposes (see Figure 2).

extension. As a group, we focused on the general

-

construction of the extension and function of

I section beams supporting glass panelling.

members, the structural materials, joints and fixings

-

Glass panelling on roof.

and the sustainability and economic implications of

-

Glass louvers and panels in aluminium

the construction.

mullions on walls.

Firstly, we looked at the foundations and footings

We identified the structural materials of the

of the extension. In viewing detail section KK

structure as being:

AO575, it was apparent that the structure is built on an existing concrete slab, which acts as the

Steel:

suspended ceiling to the floor below, shown in

-

Stud framing in walls.

Figure 1.

-

Horizontal T section beams (see Figure 3)

-

Deep I beams

-

T outriggers supporting cantilevering glass edge.

-

I section universal columns supporting roof structure.

Figure 1

Figure 1 Through looking at section details, we identified the primary structures as being: -

The framework comprising of steel studs.

-

The existing concrete ERC loadbearing wall.

-

T and I section beams roof beams (see

Figure 2 Aluminium: -

Mullions supporting glass panelling.

Figure 2). -

Universal columns supporting the roof structure.

We identified the secondary structures as being:

Concrete: -

Screed used over existing floor slab.

-

High-density, weather resistant compressed fibre cement cladding over steel stud wall.


Iona Orams

Week 5 Studio Journal

The sustainability and economic implications of

Timber: -

Batterns (strips of timber) on exterior and interior.

the structure could be determined by the materials and fittings used. -

Glass: -

ENVS10003

The use of timber internally and externally contributes to sustainability because it means less carbon emissions and solid

Window panels and louvers.

wastes are produced during production as

We then identified joints and fixings:

it is stored in the timber for long periods.

-

Bolt joints

Timber contains less embodied energy as

-

ChemSet™ (Ramset, 2013) chemical steel

its manufacture uses less fossil fuel

stud anchors joining steel structural

energy per unit volume than other

components to concrete wall (see Figure

common construction materials such as

4). With this chemical system, no stress is

steel, concrete or aluminium. Timber is

placed upon the existing concrete wall

also highly recyclable depending on the

which is necessary due to its potentially

species and maintenance of the timber. It

unknown quality and loadbearing capacity

requires no breakdown or complete

(Construction Fixings, 2013)

remanufacture unlike many of its

Steel welding in many areas including

construction counterparts (Planet Ark,

steel roof structure.

2012). Timber batterns also provide

-

natural cooling in summer months through shading (see Figure 5).

Chemical anchoring system attached steel stud with T section beam into existing concrete wall

Timber batterns

Figure 3 Figure 4

-

The use of steel in the building structure also contributes to sustainability due to its ability to be recycled multiple times (Noriega, J 2012). Though more expensive


Iona Orams

Week 5 Studio Journal

than timber, steel is highly durable and has a very long lifespan, which prevents the need for regular maintenance (Stålbyggnadsinstitutet, 2013). -

The use of glass allows natural light to enter the building, minimising the need for

-

ENVS10003

References: Construction Fixings 2013, Construction Fixings, Birmingham, United Kingdom viewed 4 September 2013, <http://www.constructionfixings.com/chemic

artificial lighting.

alanchoring.htm>

Use of the existing concrete wall and slab

Noriega, J 2010, ‘The Role of Steel in Sustainable

prevents the need for the manufacture and

Prefabricated Buildings’, Sustainable Construction,

use of more materials, hence being more

weblog post, 7 May, accessed 4 September 2013,

economical and producing less waste.

<http://www.sustainableconstructionblog.com/constr uction/the-role-of-steel-in-sustainable-prefabricatedbuildings> Planet Ark 2012, Timber as a Sustainable Building Material, FWPA, Australia viewed 4 September 2013, <http://makeitwood.org/documents/doc-692timber-as-a-sustainable-material.pdf> Ramset 2013, ITW Incorporated, United States viewed 4 September 2013, <http://www.ramset.com.au/Document/Detail/111/C opyright-Notice>

Stålbyggnadsinstitutet 2013, Sustainability of steelframed buildings, Stålbyggnadsinstitutet, Sweden viewed 4 September 2013, <http://www.sbi.nu/uploaded/dokument/file s/SBISustainability_of_steel_framed_buildings.pdf >

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