Flow-Crete™
Flow-Crete™ is a high-performance composite pipe engineered for jacking and microtunneling in pressure water and sewer applications. It merges reinforced concrete’s compressive strength with the corrosion resistance and pressure capabilities of a fiberglass reinforced liner, designed and manufactured to meet strict project requirements.
Flow-Crete™ Features
Designed for Trenchless Project Requirements
Each Flow-Crete™ pipe is engineered to project-specific loading, pressure, and equipment needs – supporting custom sizing and joint configurations.
Composite Construction
Outer shell made from high-strength reinforced concrete to handle jacking loads, with an inner TPG FRP liner for internal pressure and corrosion protection.
Long Drive Capability
Enhanced concrete mix designs available for increased jacking strength, enabling longer trenchless installations between access points.
Quality Control and Mix Consistency
Computerized batch systems maintain uniform compressive strength and structural performance across all production runs.
Pressure and Grout Injection Capabilities
Cast-in grout and lubrication ports allow for versatile pressure containment and secure annular grouting.
Advantages:
- Composite strength: Flow-Crete™ combines a reinforced concrete outer wall for exceptional load-bearing strength with a TPG fiberglass reinforced liner, resulting in reliable performance for high-pressure and heavy jacking loads.
- Corrosion resistance: The FRP liner provides superior resistance to corrosion from sanitary sewer and industrial environments, protecting the pipe even under harsh conditions.
- Customizable for long drives: Pipe wall thickness and concrete mix can be engineered for greater compressive strength and longer jacking distances, supporting demanding trenchless installation scenarios.
- Pressure-rated joints: The TPG FRP pressure joint system is integrally cast in the pipe, ensuring watertightness and pressure containment for microtunneling and jacking applications.
- Engineered joints: Compatible with industry-standard wooden packers and hydraulic compression rings to evenly distribute jacking forces and minimize risk of pipe damage.
- Reliable manufacturing: Computer-controlled batching ensures uniformity; strict quality control on both concrete and liner components guarantees consistent performance which meets customer and project specifications.
Typical Flow-Crete™ Applications
- Pressure water transmission mains via jacking and microtunneling
- Sanitary sewer trunks and force mains in trenchless installations
- Industrial process pipelines requiring corrosion-resistant interiors
- Microtunnel launch and retrieval shafts
- Rehabilitation and relining projects for aging infrastructure
- Gravity sewer installations under congested corridorsPressure lines
- in critical crossings (rail, highway, or urban environments)
- Outfall and intake pipelines with challenging subsoil conditions
Installation Types
- Pipe jacking with hydraulic systems and force-distributing packers
- Microtunneling under roads, railways, and developed areas
- Grout injection in annular space for shaft and drive sealing
- Trenchless rehabilitation with custom sizing and joint design
Critical Components Used During Installation:
- Embedded FRP pressure joint system for secure, watertight (and pressure-rated) connections
- Reinforced concrete outer shell for high compressive strength
- Adjustable concrete mix design tailored to jacking force requirements
- Grout injection ports for annular sealing
- Site-specific engineering and field support available from Thompson Pipe Group technical
The Next Generation of Pipe Solutions.
The widest range of precast, pressure, and trenchless pipe solutions in North America, backed by industry-leading engineering and logistics. Thompson Pipe Group delivers all that.
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