Understanding the Construction and Sustainability of Lightweight Concrete
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Understanding the Construction and Sustainability of Lightweight Concrete

Understanding the Construction and Sustainability of Lightweight Concrete

2020-02-03 23:28:50

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Lightweight aggregate plays a major step in developing a sustainable society for the present and aspects of the future. Providing a valuable resource in the sustainable construction of Lightweight Structural Concrete which enables new practices and insights that can extend the life expectancy and performance of pavements, buildings, and bridges.

Nowadays, Lightweight Concrete is a crucial part of the construction industry. Preferred by masses for its improved insulation of sound, thermal properties, and prospectus of reduced mass. Even though it has a lower mass, one can still maintain its adequate strength and durability during its construction. Its density is also less than that of a standard concrete because it uses lightweight coarse aggregates or lightweight fine aggregates.

These lightweight aggregates are the clay, expanded shale, and other slate materials like that have been heated in a rotary kiln to achieve the porous structure like Hydroponic Clay Balls. An air-cooled blast furnace is also sometimes used to achieve this effect, although this is a much longer process to produce the same result.

This concrete actually has a density of one hundred and five pounds per cubic foot; compared to standard concrete with a density of one hundred and fifty pounds per cubic foot.

Recently a new type of lightweight concrete has been developed. It is a combination of cellular concrete and normal aggregates. Hence, it is durable and well insulated. It has good sound and thermal insulation. Made with a mixture of cement, introducing bubbles of the cement while mixing. Hence, it is a combination of both lightweight and normal aggregate. It is best used for the layered construction or even ideal for a sandwich.

This type of concrete is primarily used to lower down the total amplified weight or loaded structure of the concrete. This enables the structural designer to reduce the size of footings, columns, and other elements. It also produces a higher fire-rated structure, which is why it is typically used for roofing, flooring, precast walls, and other building components that do not bear the load. Plus lighter concrete has better thermal insulating quality.

The incorporation of this material additionally enables the increased hydration of cement, enhances the energy performance of structures, reduces the total cost of ownership of structures built with concrete utilizing this resource, as well as reduces the environmental impacts traditionally associated with construction and the transportation of construction materials.

Advantages of using lightweight concrete:

  • Light in weight
  • High compressive strength
  • Non-toxic and eco-friendly
  • Excellent sound insulation
  • Low coefficient of thermal expansion
  • Excellent fire resistant
  • It saves electricity and so many others!

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- Udeet J Banker

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