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One area of the concrete life cycle worth noting is its very low embodied energy per unit mass. This is primarily because the materials used in concrete construction, such as aggregates, pozzolans, and water, are relatively plentiful and can often be drawn from local sources. [18]
Concrete waste that is rich in alkaline calcium compounds can be used to remove and recover various elements from an aqueous solution. Waste concrete has been used as a sorbent to remove phosphorus from wastewater after the removal of excess sludge in sewage treatment plants. [27] Concrete waste may also be used as an inexpensive gas treatment ...
The ring symbolises the concept of life's ongoing cycle [26] and highlights the importance of creating a sustainable and well managed environment for future generations, holding reference to the ability of children adapt to their surroundings. [5] The Fall From Grace, installed in 2007 at a depth of 21 feet, is a life size male figure riding a ...
Concrete is the most widely used material in existence and is behind only water as the planet's most-consumed resource. [ 2 ] Cements used in construction are usually inorganic , often lime - or calcium silicate -based, and are either hydraulic or less commonly non-hydraulic , depending on the ability of the cement to set in the presence of ...
Concrete is a composite material composed of aggregate bonded together with a fluid cement that cures to a solid over time. Concrete is the second-most-used substance in the world after water, [1] and is the most widely used building material. [2] Its usage worldwide, ton for ton, is twice that of steel, wood, plastics, and aluminium combined. [3]
When Candace Parkerson was six years old, she learned a terrible truth: some people were homeless. Sitting in the backseat of her parents’ car, she noticed a man sleeping on the side of the road ...
Renowned for being a family-friendly place to live and a delightful city to bring up kids, Copenhagen is a good bet for a family holiday, too.The country that brought us Lego has a quieter pace of ...
Self-healing concrete would not only make the material more sustainable, but it would also contribute to an increase in the service life of concrete structures and make the material more durable and environmentally friendly. [3] [4]