Benefits of a multipurpose Concrete & Shotcrete & CRF& Grout Batching Plant
Modern mining projects often require several different concrete and backfill products throughout the life of a mine. A multipurpose batching plant provides the flexibility to produce multiple mix designs from a single installation, reducing investment costs while maximizing plant utilization.
Tecwill modular batching plants can produce:
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Cemented Rock Fill (CRF)
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Cemented Aggregate Fill (CAF)
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Shotcrete and fibercrete
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Grout
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Conventional ready-mix concrete
Produce shotcrete, fibercrete, grout, CRF, CAF and conventional concrete from one modular Tecwill batching plant.
High-accurate dosing, and moisture measuring and fast recipe changes allow multiple concrete products to be manufactured from a single production platform.
For operations requiring paste backfill, Tecwill also delivers dedicated paste backfill plants engineered for continuous production.
Shotcrete and Fibercrete Batching Solutions
Why is producing high-quality shotcrete so challenging?
Producing consistent, high-quality shotcrete for mining, tunneling and shaft sinking projects requires precise control of every ingredient throughout the batching process.
Every batch must meet strict requirements for strength and pumpability while being delivered reliably under demanding site conditions.
Even small variations in material dosing, aggregate moisture or fiber distribution can affect shotcrete quality, increase material consumption and interrupt production.
Common challenges include:
- Inaccurate cement and admixture dosing
- Aggregate moisture variations causing inconsistent slump
- Fiber clumps that cause nozzle blockages
- Inconsistent concrete quality between batches
- Excessive cement consumption and higher production costs
- Production interruptions caused by blocked spraying equipment
How Tecwill Improves Shotcrete Production
Tecwill shotcrete batching solutions produce homogeneous, high-quality shotcrete with exceptional dosing accuracy, helping contractors improve productivity while reducing operating costs.
Our solutions help mining companies, tunnel contractors and underground construction specialists achieve:
- Homogeneous dosing of polypropylene (PP), steel and synthetic fibers
- Uniform fiber distribution without clumping, reducing nozzle blockages and sprayer downtime
- Accurate dosing of cement, aggregates, water and admixtures for consistent shotcrete quality
- Reduced cement consumption by up to 15%, lowering production costs and CO₂ emissions
- Consistent slump and concrete temperature for reliable pumping and spraying in demanding conditions
- Improved tunnel lining quality, durability and worksite safety
Fast weighing and fiber dosing control with Tecwill’s “flying” weighing system.
Shotcrete mixing with Tecwill’s innovative on-conveyor fiber feed that reduces mixing time and fiber clumps.
- More accurate weighing
- Lower cement consumption
- Correct slump
Multipurpose hybrid plant.
No need for a separate shotcrete plant, as the same unit can mix all mix designs.
The same plant can mix:
- Shotcrete with all types of fibers
- Ready-mix concrete
- Grout mix, neat cement grout
- CRF or CAF, if the necessary equipment is included in delivery
- Precast concrete
Modular construction making the concrete plant fast to install, even in winter, and easy to relocate and reinstall year-round.
Tecwill preassembles the complete concrete plant at its own factory. This includes pre-wiring, piping, thermal insulation enclosure and plant testing.
- Fast set-up time, even in winter
- Easy to relocate and reinstall year-round
- Reliable winter operations
Modules of a Tecwill shotcrete / fibercrete mixing plant
- 1. Aggregate bins
- 2. Mixing unit
- 3. Batch room, admixture storage
- 4. Fiber dosing unit
- 5. Cement silos
- 6. Aggregate and water heating
CRF and CAF Backfill Plants
What is cemented rock fill / cemented aggregate fill (CRF&CAF)?
Cemented Rock Fill (CRF) of cemented aggregate fil (CAF) is a mine backfill material produced by mixing waste rock, cement and water to create a stable structural fill for underground mining operations. Once placed in mined-out stopes, it provides ground support, improves mine stability and allows adjacent ore bodies to be extracted safely.
The quality of CRF&CAF depends on accurate batching of cement, aggregates and water. Consistent mix proportions ensure predictable strength development while minimizing cement consumption, one of the largest operating costs in mine backfill production.
Why Accurate Batching Matters for Mine Backfill?
Mine backfill is much more than simply filling empty voids. Every batch must meet strict engineering requirements for strength, consistency and workability while remaining cost-effective to produce.
Inaccurate batching can result in:
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Excessive cement consumption and higher operating costs
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Inconsistent backfill strength
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Variable water-to-cement ratios
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Poor flow characteristics during placement
Tecwill batching solutions combine high-precision material dosing, reliable moisture measurement and automated process control to produce consistent CRF and CAF mixes with optimized cement content and repeatable quality.
Tecwill’s high-precision “flying” weighing system saves cement and reduces CO2 emissions.
Our “flying” aggregate weighing system eliminates the need to add extra cement to the mix design to compensate for inaccurate weighing and dosing.
- More accurate weighing
- Less cement
- Correct slump
Modular construction makes the plant fast to install, even in winter, and easy and safe to operate.
Tecwill’s approach is to preassemble the complete plant at its own factory. This includes the pre-wiring, piping, thermal insulation enclosure and plant testing.
- Fast set-up time, even in winter
- Easy to relocate and reinstall
year-round - Reliable winter operations
A multipurpose plant capable of mixing CRF and CAF backfill, fiber shotcrete, and ready-mix concrete.
You don’t need a separate plant for backfill, the same production unit can handle all mix designs:
- Ready-mix concrete (RMC)
- Shotcrete with fibers
- CAF backfill (cemented aggregate fill)
- CRF backfill (cemented rock fill)
- Grout and Neat cement grout
Paste Backfill Plants
What is Paste Backfill?
Paste backfill is a high-density mine backfill produced from dewatered tailings, cement/fly ash and water. It is used to fill underground mine voids while providing ground support and enabling safe, efficient ore extraction.
Because paste backfill uses high-density dewatered tailings rather than conventional aggregates, it requires specialized material handling and mixing equipment to achieve consistent quality and reliable flow.
Tecwill Paste Backfill Solutions
Tecwill designs dedicated paste backfill plants for mining operations that require reliable, continuous production of high-quality paste backfill.
Our solutions provide:
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Accurate dosing of binders and water
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Reliable live-bottom feeder system for accurate tailings dosing
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Continuous or batch mixing to suit project requirements
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Automated process control for consistent paste quality
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Optimized binder consumption to reduce operating costs
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Plant designs tailored to mine-specific production requirements
Dedicated Solutions for Large-Scale Mining Projects
Unlike shotcrete, grout, CRF and CAF production, paste backfill is typically produced in a dedicated plant designed specifically for handling paste mixes.
Depending on the application, Tecwill supplies both continuous and batch-based paste backfill plants tailored to each mine's production capacity, material characteristics and operational requirements.
Every solution is engineered in close cooperation with the customer to ensure reliable operation, optimized binder consumption and consistent paste quality throughout the life of the mine.
READ MORE ABOUT FIBER DOSING FOR SHOTCERTE
Uniform fiber distribution is essential for producing high-quality shotcrete. Poor fiber dosing can lead to fiber clumps, nozzle blockages, inconsistent concrete quality and costly production interruptions.
Learn how Tecwill's automated fiber dosing system ensures homogeneous mixing of polypropylene, steel and synthetic fibers.
