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2. Ready-mix concrete - Wikipedia

   en.wikipedia.org/wiki/Ready-mix_concrete

   Ready-mix concrete. 1.6 cuM. transit mixer. Small batching plant for local small deliveries. The inside of a volumetric mixer. It uses a simple Archimedes' screw to mix (clockwise) and to lift the concrete to the delivery chute. Ready-mix concrete ( RMC) is concrete that is manufactured in a batch plant, according to each specific job ...

3. Concrete slump test - Wikipedia

   en.wikipedia.org/wiki/Concrete_slump_test

   The test is carried out using a metal mould in the shape of a conical frustum known as a slump cone or Abrams cone, that is open at both ends and has attached handles.The tool typically has an internal diameter of 100 millimetres (3.9 in) at the top and of 200 millimetres (7.9 in) at the bottom with a height of 305 millimetres (12.0 in).The cone is placed on a hard non-absorbent surface.

4. Water–cement ratio - Wikipedia

   en.wikipedia.org/wiki/Water–cement_ratio

   The water–cement ratio ( w/c ratio, or water-to-cement ratio, sometimes also called the Water-Cement Factor, f) is the ratio of the mass of water ( w) to the mass of cement ( c) used in a concrete mix: The typical values of this ratio f = wc are generally comprised in the interval 0.40 and 0.60. The water-cement ratio of the fresh concrete ...

5. Roller chain - Wikipedia

   en.wikipedia.org/wiki/Roller_chain

   Roller chain or bush roller chain is the type of chain drive most commonly used for transmission of mechanical power on many kinds of domestic, industrial and agricultural machinery, including conveyors, wire - and tube - drawing machines, printing presses, cars, motorcycles, and bicycles. It consists of a series of short cylindrical rollers ...

6. Types of concrete - Wikipedia

   en.wikipedia.org/wiki/Types_of_concrete

   The concrete mix achieves a high density and cures over time into a strong monolithic block. Roller-compacted concrete is typically used for concrete pavement, but has also been used to build concrete dams, as the low cement content causes less heat to be generated while curing than typical for conventionally placed massive concrete pours.

7. Roller-compacted concrete - Wikipedia

   en.wikipedia.org/wiki/Roller-compacted_concrete

   Roller-compacted concrete ( RCC) or rolled concrete ( rollcrete) is a special blend of concrete that has essentially the same ingredients as conventional concrete but in different ratios, and increasingly with partial substitution of fly ash for Portland cement. [2] The partial substitution of fly ash for Portland Cement is an important aspect ...

8. List of straight-chain alkanes - Wikipedia

   en.wikipedia.org/wiki/List_of_straight-chain_alkanes

   The following is a list of straight-chain alkanes, the total number of isomers of each (including branched chains), and their common names, sorted by number of carbon atoms. [1] [2] Number of C atoms

9. Chain (unit) - Wikipedia

   en.wikipedia.org/wiki/Chain_(unit)

   The chain (abbreviated ch) is a unit of length equal to 66 feet (22 yards ), used in both the US customary and Imperial unit systems. It is subdivided into 100 links. [1] [2] There are 10 chains in a furlong, and 80 chains in one statute mile. [2] In metric terms, it is 20.1168 m long. [2] By extension, chainage (running distance) is the ...