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. in many domestic and industrial buildings, a thick concrete slab supported on foundations or directly on the subsoil, is used to construct the ground floor. these slabs are generally classified
regular concrete is the lay term for concrete that is produced by following the mixing instructions that are commonly published on packets of cement, typically using sand or other common material as the aggregate, and often mixed in improvised containers. the ingredients in any particular mix depends on the nature of the application. regular .
there are two main forms of cement: geopolymer cement and portland cement. cement is seldom used on its own, but rather to bind sand and gravel aggregate together. cement mixed with fine aggregate produces mortar for masonry, or with sand and gravel, produces concrete.
wet mix concrete plant. a wet mix concrete plant, combines some or all of the above ingredients including water at a central location into a concrete mixer - that is, the concrete is mixed at a single point, and then simply agitated on the way to the jobsite to prevent setting using agitors or ready mix trucks or hauled to the jobsite in an open-bodied dump truck. dry mix differ from wet mix plants in that wet mix contain a central mixer whereas dry, which can offer a more consistent .
first is the barrel truck or in–transit mixers. this type of truck delivers concrete in a plastic state to the site. second is the volumetric concrete mixer. this delivers the ready mix in a dry state and then mixes the concrete on site. batch plants combine a precise amount of gravel, sand,.
a variant of standard concrete transportation is the concrete or cement mixing trailer. these small versions of transit-mix trucks are used to supply short loads of concrete. they have a concrete mixing drum with a capacity of between 1 and 1.75 cubic yards 0.76 and 1.34 m 3 . cart-aways are usually pulled behind a pick-up truck and batched from smaller batching systems.
white portland cement or white ordinary portland cement wopc is similar to ordinary, gray portland cement in all aspects except for its high degree of whiteness. obtaining this color requires substantial modification to the method of manufacture, and because of this, it is somewhat more expensive than the gray product. 2.1 seven trust mix formulation.