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Slab City, also called The Slabs, is an unincorporated, off-the-grid alternative lifestyle community [1] consisting largely of snowbirds [2] in the Salton Trough area of the Sonoran Desert, in Imperial County, California. It took its name from concrete slabs that remained after the World War II Marine Corps Camp Dunlap training camp was torn ...
A concrete slab is a common structural element of modern buildings, consisting of a flat, horizontal surface made of cast concrete. Steel- reinforced slabs, typically between 100 and 500 mm thick, are most often used to construct floors and ceilings, while thinner mud slabs may be used for exterior paving ( see below ).
Concrete floors were found in the royal palace of Tiryns, Greece, which dates roughly to 1400 to 1200 BC. [11] [12] Lime mortars were used in Greece, such as in Crete and Cyprus, in 800 BC. The Assyrian Jerwan Aqueduct (688 BC) made use of waterproof concrete. [13] Concrete was used for construction in many ancient structures. [14]
Patios are most commonly paved with concrete or stone slabs (also known as paving flags). They can also be created using bricks, block paving, tiles, cobbles or gravel. Other kinds of patio materials these days include alumawood, aluminum, acrylic and glass. Other options include concrete, stamped concrete, and aggregate concrete.
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 precast concrete slab has tubular voids extending the full length of the slab, typically with a diameter equal to the 2/3–3/4 the thickness of the slab. This makes the slab much lighter than a massive solid concrete floor slab of equal thickness or strength. The reduced weight also lowers material and transportation costs.
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