Essay about Advanced Techniques in Construction in Sri Lanka

830 Words 4 Pages
Post tension concrete is an advanced technique in the construction industry. It promotes higher loading concentrations, longer spans, thinner slabs, lighter structures and rapid constructions. The seventh sense apartment project in Colombo 7 is one of the first ongoing post tension constructions in Sri Lanka at the moment. I wish to observe this technique and intend to identify the setbacks in the system to check the suitability of such a technology in this environment. Currently they are constructing a transfer plate slab which is said to be the first if its nature due to the complexity of the structural design.

Research Context

Concrete is the oldest and most common material used in the construction industry. It consists of
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Post tension concrete is an advanced technique in the construction industry. It promotes higher loading concentrations, longer spans, thinner slabs, lighter structures and rapid constructions. The seventh sense apartment project in Colombo 7 is one of the first ongoing post tension constructions in Sri Lanka at the moment. I wish to observe this technique and intend to identify the setbacks in the system to check the suitability of such a technology in this environment. Currently they are constructing a transfer plate slab which is said to be the first if its nature due to the complexity of the structural design.

Research Context

Concrete is the oldest and most common material used in the construction industry. It consists of aggregate (which varies from fine aggregates, such as sand, to coarse aggregates, such as gravel), cement and water in a certain proportion. The aggregates can vary from a wide range from fine aggregates to coarse aggregates.

Over time, engineers have tried to invent ways to strengthen the concrete properties. In 1756, John Smeaton created the "hydraulic cement (5)" which consisted of pebbles and powdered bricks. Joseph Aspdin invented the world famous Portland cement in 1824.

Joseph Monier incorporated metal with concrete leading to the discovery of reinforced concrete, or also known as "ferroconcrete (5)", in 1849.

In the early 1900's, engineers have adopted the idea of stressing the slabs so that it can hold more loading than the

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