Precast Concrete Plant

GAJJAR stationary plant for precast applications are being designed individually according to the machines, site conditions, buildings and required production capacities. With maximum efficiency and reliability for producing all types of high quality, coloured and low slump mixes. GAJJAR offers mixer capacities from 0.25 m³ up to 2.0 m³ per batch. Precast plants are available with a variety of options and can be configured to meet each client’s individual needs.

GAJJAR precast concrete plant is designed for the efficient production of high-quality precast concrete elements. The plant features advanced batching systems that ensure precise measurement and mixing of raw materials like cement, aggregates, water, and admixtures. Reusable molds are prepared and filled with the homogenous concrete mix, followed by controlled curing in specialized chambers to achieve optimal strength and durability. The plant includes state-of-the-art handling equipment for safe and efficient transportation of precast elements. Rigorous quality control measures are implemented at every stage to ensure the final products meet stringent standards.

STATIONARY

Precast Concrete Plant

Capacity range:
60 M3 ΤΟ 240 M3

Exceptional
Concrete Mix Output

HIGHLIGHTS

Produces high-quality, durable concrete elements with consistent properties
Batching systems that precisely measure and mix raw materials
Reusable molds and forms can be customized for specific projects or standardized for common components
Customizable solutions to meet the specific needs of different projects
Comprehensive support, including installation, training, and maintenance services, ensuring smooth operation

Applications of Precast Concrete

Building Construction: Precast concrete is commonly used for beams, columns, floor slabs, wall panels, and other structural components in residential, commercial, and industrial buildings.

Infrastructure Projects: Precast concrete is used in the construction of bridges, tunnels, culverts, and other infrastructure projects due to its strength and durability.

Architectural Elements: Precast concrete can be used to create decorative facades, cladding panels, and other architectural features that enhance the aesthetic appeal of buildings.

Utility Structures: Precast concrete is used for utility structures such as manholes, utility vaults, and drainage systems.

Working Principles

1. Material Preparation and Batching

In a precast concrete plant, raw materials like cement, aggregates, water, and admixtures are stored in silos and bins. These materials are precisely measured and weighed using automated systems to ensure consistent quality. The measured materials are then mixed in high-performance mixers to create a homogenous concrete mix. Moisture sensors and regular testing ensure the mix meets the required standards. This process ensures the production of high-quality, durable precast concrete elements.

2. Molding and Pouring

In a precast concrete plant, reusable molds are cleaned and prepared for concrete pouring. The mixed concrete is then poured into these molds, ensuring even distribution with the help of vibrators to remove air bubbles. The concrete is allowed to set initially in the molds. Once set, the molds are transferred to curing chambers for controlled curing. This process ensures the concrete achieves the desired strength and quality.

3. Curing

In a precast concrete plant, curing involves transferring the molds with freshly poured concrete to controlled curing chambers. These chambers maintain specific temperature and humidity levels to accelerate the curing process. This controlled environment ensures the concrete achieves the desired strength and durability. Proper curing is essential for producing high-quality precast elements.

4. Demolding and Finishing

Once the concrete has reached the desired strength, the precast elements are carefully removed from the molds. Each element is inspected for quality and any defects are addressed. The surfaces may undergo treatments like polishing or painting to achieve the desired finish. Additional reinforcement may be added if required, ensuring the elements meet all specifications.

Planetary Mixer

GAJJAR make precast concrete plants are equipped with planetary mixers. Planetary mixers provide thorough and uniform mixing of concrete, ensuring that all particles are evenly distributed. This is crucial for achieving consistent quality in precast elements. These mixers can handle a wide range of concrete types, including high-performance and self-compacting concrete, making them suitable for various precast applications. Planetary mixers operate at high speeds, reducing the mixing time and increasing overall productivity. This is beneficial for large-scale production. Built with robust materials and abrasion-resistant linings, planetary mixers are designed to withstand the rigors of continuous use, ensuring long-term reliability.

Available Models

MIXER CAPACITY (m3/batch)	0.25	0.375	0.5	0.75	1	1.5	2
Aggregate Storage System	Inline bin / compartment	Inline bin / compartment	Inline bin / compartment	Inline	Inline	Inline	Inline
Bin Capacity (m3 / each bin)	5	5	7.5	10	15	20	25
Type of Mixer	Planetary Mixer
Aggregate Weighing System	Weighing Bin With Belt Conveyor
Aggregate Loading in Mixar	Belt
Control System	FULLY AUTOMATIC PLC

Per GAJJAR’s policy of constant upgradation of products, specifications are subject to change without prior notice.

STATIONARY