Formwork Construction And Classification Of Plastics And Their Roles In Construction - Plastics As Construction Material - Engineering Assignment Help

Assignment Task -

Assume the following:

You are the Construction Manager of a large building company which has just won the tender to build  two structures in the new Disneyland in Perth. 

The two reinforced in-situ concrete structures are: 

1. A 60m high viewing tower; and 

2. An exhibition hall. 

Details of the buildings are shown below. You have been asked by your planning department to let  them know how you propose to construct the formwork for each structure so they can schedule the  activities on their programme of works. The director of the company is concerned that such structures  will be very costly because of the unique nature of the formwork. You must convince him that you  have assessed the methods and found the most appropriate and cost effective solution. 

In order to provide the information you will need to answer the following questions for EACH structure:

1. What is the most appropriate type of formwork (i.e. timber or steel) and why?

2. How will the formwork be supported? 

3. What is the sequence of operations to erect the formwork? 

4. How is the design of the formwork cost effective?

5. Draw a diagram to illustrate your solutions.

Plastics as a Construction  Material :

General Properties of Plastics -

Plastic is light in weight and has a specific gravity similar to timber, 0.9 - 2.2. However, plastics vary  broadly depending on the basic formulation and presence of additives. Generally, plastics have a good  strength to weight ratio. In some situations it is more favourable than metal. However, the modulus of  elasticity (E) is low even compared to aluminium or glass and therefore is unsuitable for load-bearing  purposes (Everett 1989, 271-272). 

Forming Methods :

• Continuous Processes
• Discontinuous Processes/Batch Processes

Classification of Plastics and their Roles in Construction  :

• Polythene (PE); 

• Polyvinyl chloride (PVC); 

• Polyvinyl Acetate (PVAC); 

• Polystyrene (PS); 

• Acrylic; 

• Nylon (PA - Polyamides); 

• Polypropylene (PP); 

• Polyvinyl fluoride (PVF); 

• Polycarbonate (PC);

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