How RMC is manufactured?

A central mixing plant uses a stationary mixer to mix the concrete. The concrete is then transferred into the transportation vehicle. A truck mixing plant places all unmixed dry materials into a truck mixer. Water is added and mixing is then done in the truck.

What is the function of water in concrete?

Water is the key ingredient, which when mixed with cement, forms a paste that binds the aggregate together. The water causes the hardening of concrete through a process called hydration.

What is mixing water in concrete?

Mixing water is the quantity of water that comes in contact with cement, impacts slump of concrete and is used to determine the water to cementitious materials ratio (w/cm) of the concrete mixture. Strength and durability of concrete is controlled to a large extent by its w/cm.

What is the RMC plant?

A typical RMC plant consists of silos and bins for the storage of cement and aggregates respectively, weigh batchers for proportioning different ingredients of concrete, high efficiency mixer for thorough mixing of ingredients, and a computerized system controlling the entire production process.

How ready mix concrete is manufactured and transported?

RMC is a type of concrete, which is a mixture of Portland Cement, Water, Fine (Sand) and Coarse aggregates. It is manufactured in a cement factory or batched plants in specific proportions and transported in a Transit-mixer to the construction sites.

How does water affect concrete?

How Moisture Affects Concrete Strength. The increased water leads to a higher water-to-cement ratio. When excess water creates greater spaces between aggregate materials, the voids fill with air after the moisture evaporates. The resulting inadequate compaction reduces the concrete’s strength.

How does water content affect concrete?

Increased space between cement grains: Higher water-to-cement ratios result in greater spacing between the aggregates in cement, which affects compaction. Similarly, increased moisture levels reduce the concrete’s compressive strength and durability. The increased water leads to a higher water-to-cement ratio.

What is the mixture of cement and water called?

concrete
In its simplest form, concrete is a mixture of paste and aggregates, or rocks. The paste, composed of portland cement and water, coats the surface of the fine (small) and coarse (larger) aggregates.