Activity: ON SITE – Oval Pavilion Week 10
We went out to the Oval Pavilion once again to see their progress and learn more about the structure and function of materials used during its construction and on the building.
This is the front of the Oval Pavilion where we can see the construction. The plastic yeallow caps can still be seen in the strip footings of the site since our last visit. This is used to protect any workers from tripping into the sharp metals.
The block wall uses horizontal and vertical bars to create its structure and reinforces it.
The original framework of the seats can be seen in this image. This is falsework, where temporary structures are created to support the spans during the constructing process (Encyclopedia Britannica, 2013). This is used to brace it.
Inside these step and seats are hollow. The cement was poured in stages in the preparation stage.
The plywood used for the fence The purlin is a horizontal beam used for structural support in buildings. They are supported by rafters or walls of the building. The two layers of timber are for acoustic purposes Wooden trusses can be seen to support the roof
This fence is made from timber and has an origan finish which leaves it an interesting pattern that comes from the plywood. Cladding is the process where one material covers another, where cement is coated over the plywood (wiseGEEK, 2013). This decision was made for aesthetic reasons.
Two layers are used for the fascia
Sarking refers to the layer within the walls that insulate or reflects heat from the reflective foil laminate. It is a shiny aluminium foil laminated into paper. The RFL is also fire retardant and provides a barrier to radiant heat’ keeping homes cool in the Summer and warm in Winter (Spacefoil, 2013).
-‐ Walls will also have insulation
-‐ this is part of a chimney -‐ will have a skyline window
This wall is made from timber and was constructed using timber with the tongue and groove, where the tongue is nailed into the wall.
Zincalune is used because it is good for heat insulation
This is a handrail clamp and is used to clamp the roof and the ridge of the roof sheet together.
LVL (Laminated veneer lumber) (Gurvich, 2013): -‐ high strength engineered wood product -‐ msde from veneers bonded together -‐ used for permanent structural applicants
It is cheaper than real timber and stronger too. LVL are termite proof because they do not like to eat the glue that holds the timber together.
Although rod bracing is easier, fix bracing is used when
wanted to be welded then rod bracing cannot be used. If the ends of the rods need to be cut and welded, therefore it becomes fixed bracing. Rod bracing is removable whereas fixed cannot be. C purlins are often used for structural support in walls and as floor joists as well as roofs. They can also form braces, ties or columns. Although Z purlins allow itself to overlap with others at the joints which is why it is potentially stronger and is used here (Stratco, 2010).
This is an aluminium box extrusion. Capping will go on the window section and the fascia will be pulled down for waterproofing.
This piece is called the head and it slides in the aluminium box to prevent water from going in.
This is the tongue and groove timber piece. They have a way of joining together which makes it easier. During the construction, the tongues are nailed to the wall.
Any water that goes through here goes to the stormwater drain. Waterproof membranes are put up against the side of the building so that water cannot penetrate through to the walls. This is a retaining wall
Concrete control joints can be sawed or tooled and are found in floor slabs, walls, foundations and sidewalks. As these structures dry, or cure, they experience significant shrinkage as water within the concrete evaporates. Over time, they continue to contract or expand due to changes in temperature, humidity and moisture levels. This constant swelling and contraction can cause ugly surface cracks as well as structural damage if left uncontrolled.
CONTROL A groove which is formed, sawed, or tooled in a concrete JOINT or masonry structure to regulate the location and amount of cracking and separation resulting from the dimensional change of different parts of the structure, thereby avoiding the development of high stresses. Harris, C. 2006. Dictionary of Architecture and Construction. 4th ed. McGraw-Hill, p. 1019.
Wikipedia. 2013. Control Joint. [image online] Available at: http://en.wikipedia.org/wiki/File:Sa w_Cut_Control_Joint_in_Concrete .jpg [Accessed: 12 Oct 2013].
wiseGEEK. 2013. What Are Control Joints?. [online] Available at: http://www.wisegeek.com/what-are-controljoints.htm [Accessed: 12 Oct 2013].
REFERENCES Gurvich, D. 2013. LVL timber – in modern construction & veneers explained on WoodSolutions. [online] Available at: http://www.woodsolutions.com.au/Wood-‐Product-‐Categories/Laminated-‐ Veneer-‐Lumber-‐LVL [Accessed: 13 Oct 2013].
Encyclopedia Britannica. 2013. falsework (construction). [online] Available at: http://www.britannica.com/EBchecked/topic/201089/falsework [Accessed: 13 Oct 2013]. Spacefoil. 2013. SpaceFoil -‐ Reflective foils for walls and roofs -‐ Roof Tile Foil Sarking. [online] Available at: http://www.spacefoil.com.au/Roof-‐Tile-‐Foil-‐Sarking/ [Accessed: 26 Sep 2013]. Stratco. 2010. Stratco C and Z Purlins -‐ Stratco C sections, Stratco Z sections, Stratco purlin, Stratco girt, light weight beams. [online] Available at: http://stratco.com.au/Products/Steel_Framing/Types/C_Z_Purlins/C_Z_Purlins.asp [Accessed: 13 Oct 2013]. wiseGEEK. 2013. What Is Cladding?. [online] Available at: http://www.wisegeek.com/what-‐is-‐cladding.htm [Accessed: 13 Oct 2013].