Product Category: Underground Applications

MD CONTINOUS MIXER

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High-capacity continuous mixer for cementitious materials 

The SIMEM MD Continuous Mixer is a high-performance continuous mixing solution designed for producing cementitious materials such as roller compacted concrete (RCC), pumpable slurries and cement-based mixes.  

Built with twin-shaft mixing technology, the MD mixer provides efficient blending, consistent material output and high throughput, making it suitable for demanding industrial and infrastructure projects.  

Ideal for: 

  • Continuous concrete production 
  • RCC and zero-slump concrete applications 
  • Industrial and infrastructure mixing operations 

CELLULAR CONCRETE PLANTS

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Production plants for lightweight cellular concrete (LCC) 

SIMEM Underground Cellular Concrete Plants are designed to produce lightweight cellular concrete used for void filling, backfilling and infrastructure stabilisation.  

The system combines precise batching, high-efficiency mixing and pumping technology to deliver a lightweight, flowable cementitious material capable of filling large areas quickly and efficiently.  

Cellular concrete is commonly used in tunnelling and utility works where a strong but non-structural fill material is required.  

Ideal for: 

  • Tunnel backfill and void filling 
  • Utility pipeline stabilisation 
  • Infrastructure and ground improvement projects

PUMPING SYSTEMS

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Long-distance pumping solutions for grout, bentonite and cellular concrete 

SIMEM Underground Pumping Systems are designed to deliver cementitious materials such as bi-component grout, hydrated bentonite and cellular concrete across long distances and challenging project environments.  

Each system is engineered to match the specific application, ensuring reliable delivery from plant to placement point.  

With decades of tunnelling and underground construction experience, SIMEM pumping systems provide the precision, durability and performance required for demanding infrastructure projects.  

Ideal for: 

  • Tunnelling and TBM operations 
  • Grouting and soil stabilisation 
  • Mining and underground construction projects 

BENTONITE PLANTS

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Hydrated bentonite slurry plants for tunnelling and ground stabilisation 

The SIMEM Underground Bentonite Plants are engineered to produce high-quality hydrated bentonite slurry used in tunnelling and ground stabilisation operations. 

By creating a thick colloidal mixture of bentonite and water, the system provides consistent slurry quality essential for tunnel boring machine (TBM) operations, slurry walls and soil conditioning.  

The plants integrate high-shear mixing, storage tanks and pumping systems to ensure reliable production and delivery of bentonite slurry directly to tunnelling operations.  

Ideal for: 

  • Tunnel boring machine (TBM) operations 
  • Slurry wall construction and ground stabilisation 
  • Infrastructure and underground construction projects