Ready Mix Concrete

Introduction

Concrete is one of the most widely used building materials in the world. From small houses to huge skyscrapers, bridges, and dams – concrete plays a central role in construction. Traditionally, concrete has been mixed on-site using cement, sand, stone, and water. Workers manually prepare the mixture and then use it for construction.

But in modern construction, this method is slowly being replaced by a more advanced solution called Ready Mix Concrete (RMC).

Ready Mix Concrete is concrete that is manufactured in a factory (batching plant) under strict quality control, then transported to construction sites in special mixer trucks. This ensures high quality, consistency, and efficiency in every batch.

In this blog, we will explain:

• What is Ready Mix Concrete?

• History and development of RMC

• Composition of RMC

• How it is produced step by step

• Why it is used in construction

• Major advantages and disadvantages

• Types of RMC

• Uses of RMC in Pakistan

• Ready Mix Concrete suppliers in Lahore and other cities

• Future of RMC in Pakistan

Keyword focus: Ready Mix Concrete

What is Ready Mix Concrete?

Ready Mix Concrete is a specially prepared mixture of cement, sand, aggregates, and water. Unlike traditional site-mixed concrete, RMC is manufactured in a central batching plant where every ingredient is measured with high precision.

Once mixed, the concrete is loaded into transit mixer trucks that keep rotating while transporting to the construction site. This ensures that the concrete does not set or harden during transport.

When the truck arrives, the concrete is ready to be poured directly into formwork or pumped into higher floors using concrete pumps.

History of Ready Mix Concrete

• The concept of RMC started in early 20th century in Europe.

• By the 1920s, the first commercial plants were established in the USA.

• In developed countries, more than 70% of concrete used today is ready mix.

• In Pakistan, RMC became popular only in the last 15–20 years, especially in Lahore, Karachi, and Islamabad.

Now, many big projects in Pakistan prefer Ready Mix Concrete because it ensures strength, speed, and quality.

Composition of Ready Mix Concrete

The ingredients of RMC are the same as normal concrete, but they are measured with more accuracy.

1. Cement – Ordinary Portland Cement (OPC) or special types (SRC, PPC).

2. Sand (Fine Aggregate) – Usually river sand or crushed sand.

3. Coarse Aggregate (Crush Stone) – Margalla, Sargodha, or Dina crush.

4. Water – Clean and free from impurities.

5. Admixtures (optional) – Chemicals to improve workability, setting time, or durability.

The proportion of these materials depends on the required grade of concrete (M15, M20, M25, etc.).

How is Ready Mix Concrete Produced? (Step-by-Step Process)

1. Batching

Raw materials (cement, sand, stone, water) are measured by weight using computerized systems.

2. Mixing

All materials are mixed in a large machine at the batching plant. Uniform mixing is ensured.

3. Loading

Fresh concrete is transferred into transit mixer trucks.

4. Transportation

Trucks transport the mix to the construction site. The drum keeps rotating to avoid setting.

5. Placement

Concrete is poured directly from trucks or pumped using special pumps to higher levels.

6. Compaction and Curing

After placement, concrete is compacted (to remove air gaps) and cured (to maintain moisture).

Why Use Ready Mix Concrete?

In today’s fast-paced construction, time and quality are everything. Ready Mix Concrete provides:

• Consistent quality

• Faster completion of projects

• Reduced labor costs

• Suitable for large pours (slabs, foundations, bridges)

Advantages of Ready Mix Concrete

1. High Quality

• Accurate batching and mixing under strict supervision.

• Stronger and more durable than site-mixed concrete.

2. Saves Time

• No need to mix concrete on site.

• Projects can move faster, especially large-scale works.

3. Reduces Labor Cost

• Fewer workers are needed compared to site mixing.

4. Less Wastage

• Materials like cement and sand are not wasted.

5. Environment Friendly

• Less dust and noise at construction site.

6. Easy to Place

• Trucks can pour directly into formwork.

• Pumps can deliver concrete to tall buildings.

7. Consistency

• Every batch has the same quality, reducing risk of weak spots.

Disadvantages of Ready Mix Concrete

1. Higher Cost

• More expensive compared to site-mixed concrete, especially for small projects.

2. Transportation Problems

• Concrete must be used within 1–2 hours.

• Traffic jams can cause delays and spoil concrete.

3. Requires Planning

• Site must be ready before concrete arrives.

4. Supplier Dependence

• Construction depends on the supplier’s punctuality.

5. Not Economical for Small Jobs

• For small repairs, traditional mixing is still cheaper.

Types of Ready Mix Concrete

1. Transit Mixed Concrete – Prepared in plant, transported in trucks.

2. Shrink Mixed Concrete – Partially mixed in plant, completed in truck.

3. Central Mixed Concrete – Fully mixed in plant before loading into truck.

Uses of Ready Mix Concrete in Construction

• High-rise Buildings – RCC columns, beams, slabs.

• Bridges and Flyovers – Large volumes needed quickly.

• Industrial Projects – Warehouses, factories.

• Housing Societies – Large-scale foundations and infrastructure.

• Road Projects – Rigid pavements, airports.

Ready Mix Concrete in Lahore, Pakistan

In Lahore, many suppliers provide RMC for both residential and commercial projects. Some well-known suppliers are:

• Bestway Cement Ready Mix

• Askari Cement RMC

• Maple Leaf Ready Mix

• Local batching plants near Thokar, Raiwind, Shahdara

Price of Ready Mix Concrete in Lahore (Approximate)

(Prices vary depending on grade and supplier)

• M15 (normal strength): PKR 8,000 – 9,000 per cubic meter

• M20 (medium strength): PKR 9,000 – 10,500 per cubic meter

• M25 (high strength): PKR 11,000 – 12,500 per cubic meter

Ready Mix Concrete vs Site Mixed Concrete

Future of Ready Mix Concrete in Pakistan

As Pakistan’s urban development increases, Ready Mix Concrete will play a major role. Lahore, Karachi, and Islamabad already rely heavily on RMC for modern construction. In coming years, small cities will also adopt this technology due to its quality and speed.

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