Ready Mix Concrete_.

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Ready mix concrete (RMC) is a type of concrete that is manufactured in a batching plant, according to a set recipe, and then delivered to a work site by truck-mounted transit mixers. It is also known as ‘concrete in a box’ because it is delivered to the construction site in a ready-to-use form.

What Is Ready Mix Concrete?

Ready mix concrete is a balanced mixture of cement, water, sand, and aggregate ready mixed at a central batching plant and not at the construction job site. Each batch is uniquely proportioned to meet the contractor's requirements. This mixture is then delivered in specially designed trucks called "cement mixers." This process first started with horse-drawn mixers in 1909 and progressed to motor-driven transit mixers in 1916. These early trucks slowly evolved into better models during World War II. Their evolution was aided by innovations in engines and enlargements in drum capacity.

It is made under very controlled conditions by qualified suppliers. Hence are both highly durable and sustainable. This ensures that concrete meets specifications and is of high quality. It shall then be delivered to the site in the same trucks as used for mixing. This method allows for exact mixes, including specialized concrete types, to be produced efficiently in factories or batching plants. Overall, ready-mix concrete provides reliable construction materials that meet accurate standards for the construction of stronger, more long-lasting structures.

Types Of Ready Mix Concrete

Based on grade, ingredient used, and presence of fly ash, ready-mix concrete can be differentiated into many types. Each of these serves a different purpose and is used for different projects ranging from commercial to residential. Understanding about each type of ready mixture concrete can help you choose the right one for your needs.

Based On The Mixing Process

Understanding these ready-mixture concrete methods is crucial for construction projects that intend to achieve uniform quality and durability. Each type offers specific advantages best suited to various project scales and logistic needs so that the quality of the delivered concrete meets precise specifications for the structure to be robust and reliable.

1. Transit-mixed Concrete: Also called dry-batched concrete, transit-mixed concrete is a kind of RMC where all the basic ingredients of the material even including water are directly loaded into the truck and combined in the truck mixer. In this kind of system, the mixer drum in the truck rotates quickly at the charging speed while the material is loaded and then at a regular agitation speed when the material is being transported. This is a kind of RMC that typically ensures flexibility for the clients to adjust the water and cement ratio based on the specific needs of the projects and thus is used on projects like road construction, bridges, and other significant ones.
2. Shrink mixed Concrete: This is a kind of RMC where the materials are particularly mixed in the original plant mixer and the remainder part is mixed in the mountain drum of the truck when it is in transit. The amount of material that will be mixed in transit depends on the amount of it that was mixed in the central mixing plant. The professionals typically need to carry out tests to determine the amounts. This is a kind of approach that helps to reduce wear on transit mixers and also allows for larger loads of the material. This kind of RMC is particularly used for medium to large construction projects where uniform quality is required.
3. Central mixed Concrete: Also known as central batching plant concrete, this is a type of concrete that is thoroughly mixed before being loaded into the truck mixer. The facility of this kind of concrete mix is often known as a premix or wet batch plant and the truck mixer serves only as an agitator while transporting the RMC. This type of concrete often ensures the high quality of the material and a consistent mix of different ingredients. This also ensures faster unloading of the RMC on site and thus offers suitability for large-scale infrastructure projects or even smaller projects like paving blocks, tiles, etc. where uniform quality is a need.

Based On Grade

Different grades of RMC are designed to meet the requirements with varying strength and durability needs. Here are some of the common types of ready-mixture concrete available in the market with their usage.

1. M5: Generally used for non-structural applications such as pathways and temporary bases.
2. M7.5: All minor concrete works such as pathways, light-duty floors, and foundations where minimal strength is required are carried out with this grade of concrete.
3. M10: Works for non-structural elements. this grade of concrete is used for pathways, patios, and bases.
4. M15: This one is used for pavement curbs, floor blinding, and foundations of small structures.
5. M20: Building and residential work for floors, driveways, garages, and workshops.
6. M25: A very versatile mix used in a great many types of construction structural components in residential and commercial buildings.
7. M30: This mix is suitable for roadways, parking lots, and exposure to weather with wheel loads.
8. M35: Building walls of commercial buildings, structural piling, and other notable elements where more strength and uniformity are needed.
9. M40: Used mainly in beams, foundations, septic tanks, and diverse structures that require resistance, durability, as well as resistance to chemical action.
10. M45: Used in structural elements where higher strength and durability requirements exist.
11. M50: Used where high performance is required in bridges and heavy-duty industrial structures.

M50 and above are used in large-scale, high-strength works such as dams, factories, and skyscrapers.

Based On Fly Ash

Fly ash concrete and concrete without fly ash differ primarily in the composition of their cementitious materials

1. Concrete With Fly Ash: Fly ash concrete uses fly ash, a byproduct of the combustion of coal in thermal power plants, to replace part of the Portland cement. This supplementary cementitious material enhances workability, reduces heat generation at the time of curing, and offers better long-term strength and improved durability. The incorporation of fly ash makes construction practices more sustainable and less environmentally hazardous due to cement production.
2. Concrete Without Fly Ash: Fly ash-free concretes have Portland cement only as the binding agent. This means this category only comprises cement, aggregate—sand, aggregates, gravel—water, and chemical admixtures, if any may be required. This category of concrete finds application in different construction works, modified to suit individual project requirements and performance criteria.

Importance Of Ready Mix Concrete

There are many benefits of using ready-mixture concrete for all your construction needs.

• High-Quality Product: Ready-mix concrete is produced in specialized plants in which professionals ensure that the constituents and their proportions, which are water, cement, and aggregates, are adequately mixed. This controlled circumstance ensures the production of a high-quality product for the making of a durable building material.
• Time-Saving: It saves time by eliminating the necessity for mixing the concrete on site. This enables immediate commencement of construction since the concrete is already mixed and ready to be poured at the job site. Therefore, there are no delays and, as a result, a decrease in the building period.
• Cost Saving: One of the major advantages of ready-mix concrete is that it is economical. Since the mixing process is left to the professional, this relieves the construction firms of labor costs. Moreover, other costs that may emanate from on-site storage of the raw materials are also evaded. Besides, ready-mix concrete is said to be durable; therefore, with less maintenance, money is saved.
• Customizable: One of the key advantages of ready-mix concrete is that it is flexible. The desired mix can be obtained by altering its constituents to suit the project based on strength, durability, and other parameters to make it work well for the intended use.
• Eco-Friendly Mixing Process: Ready-mix concrete production is environmentally amiable because resources like water and aggregates are used efficiently. The method causes less waste compared to the traditional on-site mixing techniques, thus less damage to the environment. It also helps in the easy recycling of concrete material that is not used up, thereby reducing the net wastage of building materials.
• Zero Waste: With ready-mix concrete, there is exact batching. This means that the builders only order the quantity required for their project. Excess concrete can be recycled and reused on other construction projects in the future, thereby providing sustainability without filling landfills.
• Safety Assurance: Unlike bagged cement, which may spill dangerous dust, ready-mix brings concrete to the job site in ready condition. This reduces the health hazard for workers at work, making it a safer working environment.
• Durability: This indicates that the ready-mix concrete is made as a durable product that will resist most weather and wear factors over time. The use of controlled mixing and high-quality constituent materials ensures that the concrete conforms to set standards regarding strength and durability.

Uses Of Ready Mixture Concrete

Ready-Mix concrete’s adaptability and reliability make it a preferred choice across diverse construction projects. Whether for residential homes or large-scale infrastructure, It is durable, requires easy maintenance, and is eco-friendly; hence, it offers value and performance in the long run. Generally, Civil Contractors and Building Contractors deploy the use-ready mixture of concrete.

• Versatility in Construction: Ready-mix concrete is tremendously used for constructing roads, foundations, driveways, walls, footpaths, floors, bridges, tunnels, etc. The reason it is most preferred is that ready-mix concrete offers great durability, reliability, and usability.
• Roads And Driveways: These are also used in road construction outperform asphalt, with very low maintenance, and can even withstand decades hard without cracking. The same applies to concrete driveways, which are put through heavy use and need very minimal maintenance, thus saving money in the long run.
• Solid Foundations: It offers stability and sustainability to building foundations. It reduces wastage and storage of materials, hence eco-friendly. Leftovers of ready-mix concrete can be recycled, ideal for resource-saving during home and basement constructions.
• Strong Walls: The strength and toughness of concrete make it quite appropriate for walls, which provide stability with insulation. It is also tailored for project needs, for delivering designed property options regarding either density or slump value.
• Footpaths And Floors: Pathways made from concrete ensure a low maintenance smooth and safe pathway even under harsh conditions—rural or coastal. Concrete flooring in warehouses and industries is hard-wearing and easily maintained, which again plays a crucial role in maintaining the safety of workers.
• Specialist Applications: Ready mix concrete satisfies very high standards in specialized construction, including bridges and tunnels. Decorative use involves an option for colored and exposed aggregate finishes.

Process Of Making Ready Mix Concrete

Here is a simple process of making a ready mixture of concrete.

1. Gathering Materials: The main ingredients like cement, aggregates (like gravel), sand, water, and special chemicals are collected. These are thoroughly tested for quality in a lab to make sure they meet high standards.
2. Weighing And Mixing: These materials are measured very precisely using special machines. The machines control the exact amount of each ingredient, including the water and any added chemicals, to ensure the best quality.
3. Mixing At The Plant: Everything is mixed at a central plant. The mix is tested several times to make sure it meets the specific requirements for different construction projects.
4. Transporting: Once the concrete is mixed, it’s loaded into large trucks with rotating drums called transit mixers. These trucks keep the concrete mixed while it’s being transported to the construction site.
5. Ready To Use: When the truck arrives at the construction site, the concrete is ready to be used immediately without any additional mixing.

Tips To Consider While Purchasing Ready Mix Concrete

• Determine The Required Strength: The strength of the concrete required for a project will depend on the load it will bear. You should consult a structural engineer or a concrete specialist to determine the required strength.
• Determine The Required Quantity: You should calculate the amount of concrete required for your project. This will ensure that you order the right amount of concrete and avoid wastage.
• Choose The Right Mix – Different types of concrete mixes are available, each with different properties. You should choose the right mix for your project based on its strength, durability, and other properties.
• Check The Supplier’s Reputation: You should choose a supplier with a good reputation for quality and reliability. You can check their reviews and ask for references before making a decision.
• Check The Delivery Schedule: You should make sure that the supplier can deliver the concrete on time and within the required timeframe. This will help avoid delays and ensure that the construction process runs smoothly.

How To Choose The Right Concrete Grade?

Here are a few selection criteria for choosing the appropriate concrete grade.

• Structural Requirements: This means first considering the structural needs like considering the weight and pressure that is to be applied to the structure. For example, according to Indian Standard IS 456, at least M20-grade concrete has to be used for a reinforced concrete building. Some special works, like road pavements or factory floors, would require concrete with a higher grade than M20 for a given purpose.
• Environmental Factors: Next, consider the environmental conditions. This includes the climate and weather where you'll be constructing. In case the region is prone to very rough weather conditions, or is exposed to chemicals, then you will have to use a higher grade of concrete so that the structure lasts long. Proper selection of concrete grade prevents damage and reduces its maintenance cost over its lifetime.
• Building Codes: It's also important to be guided by local building codes and regulations. Usually, most building codes specify the minimum grade of concrete to be used. Complying with these rules implies that the construction project will be safe and legal, avoiding resultant problems or fines.
• Project Budget: Lastly, consider the budget you have for your project. Higher-grade concrete normally comes at a higher cost, so weigh the cost against the needs of your project. Be sure to select a concrete grade that works within your budget and yet provides the needed strength and durability.

Ready Mix Concrete Price List In India

When planning a construction project, understanding the cost of materials is crucial. The cost of ready-mix concrete can vary based on several factors including the grade of the concrete, the supplier, and the location. It's important to compare the mix concrete prices from different suppliers to get the best deal. Here is a table for you to check the RMC concrete pricing estimate in India.

Prominent Manufacturers Of Ready Mix Concrete

There are several brands known for providing high-quality RMC manufactured with superior practices and technologies. Some of the popular names among these include the following: 

1. Eco Infratech
2. JWC Concrete
3. McCoy RMC
4. Nutech Concrete
5. Shaila RMC
6. Shubham RMC
7. Technoprime RMC
8. Ultratech RMC
9. Vikas Emark Infra

McCoy Mart: Choose The Best Quality And Faster Delivery Of RMC 

Ready-mix concrete is a convenient and cost-effective option for diverse kinds of construction projects due to its consistent quality, superior strength, time-saving benefits, and reduced environmental impact. With the plethora of incredible benefits, the demand for the different kinds of RMC is on a constant rise. But to ensure your home or office is built with efficiency and strength, you need to choose the right supplier and superior quality of the material. McCoy Mart provides a platform for this cause. It provides a versatile marketplace from where you compare, analyze, and purchase the highest quality construction materials and products from the comfort of your home and at a price suitable for you. You can also hire the right professionals for your architectural and construction needs and ensure that your space is built with quality, innovation, and workmanship.

FAQs

Q-1. What is ready-mix concrete?
A-1. Ready-mix concrete is a pre-made mixture of cement, water, and aggregates, such as sand, gravel, and crushed stone. The mixture is produced in a batching plant and then transported to the construction site in a concrete mixer truck.

Q-2. What are the advantages of using ready-mix concrete?
A-2. Using ready-mix concrete has several advantages, such as:

• Consistency: The mixture is produced in a controlled environment, which ensures consistent quality.

• Time-saving: Since the mixture is pre-made, it saves time and effort at the construction site.

• Cost-effective: Ready-mix concrete reduces wastage and labour costs, making it a cost-effective option.

• Durability: Ready-mix concrete is known for its strength and durability, making it suitable for various construction projects.

Q-3. What are the different types of ready-mix concrete?
A-3. There are different types of ready-mix concrete available for different construction projects. Some of the popular types include:

• Standard ready-mix concrete

• High-strength concrete

• Self-compacting concrete

• Lightweight concrete

• Fiber-reinforced concrete

Q-4. How is ready-mix concrete delivered to the construction site?
A-4. Ready-mix concrete is transported to the construction site in a concrete mixer truck. The truck is equipped with a rotating drum that keeps the mixture in a liquid state during transportation. The truck can also mix the concrete during transportation, ensuring consistency.

Q-5. What is the shelf life of ready-mix concrete?
A-5. The shelf life of ready-mix concrete is limited, and it depends on various factors, such as the type of cement used, the ambient temperature, and the storage conditions. Typically, ready-mix concrete has a shelf life of 90 minutes to two hours.

Q-6. What are the precautions to be taken while handling ready-mix concrete?
A-6. Some precautions that should be taken while handling ready-mix concrete include:

• Using protective gear, such as gloves and goggles

• Avoiding direct contact with the skin or eyes

• Mixing the concrete as per the instructions provided by the manufacturer

• Storing the concrete in a cool, dry place

• Using the concrete within its shelf life

• Disposing of the waste material as per the local regulations.

Q-7. Can ready-mix concrete be customized as per the requirements of the construction project?
A-7. Yes, ready-mix concrete or RMC Concrete can be customized as per the specific requirements of the construction project. The mixture can be modified by changing the ratio of the ingredients or adding additives to improve certain properties, such as workability or strength.