Shotcrete, Concreting and Coring
Shotcreting is the process of applying wet pre mixed concrete via a high pressure hydraulic concrete pump through a line where high pressure air is injected at the nozzle to increase the velocity of the concrete exiting the gun. This sprayed concrete can be projected at an adjustable velocity onto a myriad of different surfaces.
Shotcrete Applications
Although shotcrete is typically sprayed onto either conventional reinforcing bars or mesh, it can also incorporate steel or synthetic fibers as part of the concrete mix.
Shotcrete has a variety of applications and is utilised routinely within the ground engineering sector. PCA Ground Engineering has experience in using sculptured, coloured, reinforced shotcrete in conjunction with other stabilisation methods in numerous projects such as mines, road & rail infrastructure, retaining walls and for a variety of slope stabilisation & rockfall protection projects.
Micropiles are highly adaptable, ideal for:
- Limited access or confined spaces
- Environmentally sensitive sites
- Structural settlement mitigation
- Uplift and dynamic load resistance
- Underpinning and foundation upgrades
- Emergency repairs & seismic retrofitting
- Slope stabilization and excavation support
Off Nozzle Finish
An off nozzle finish provides a rough-textured shotcrete surface directly from the application nozzle. This finish offers excellent adhesion for subsequent layers or as a durable base for structural applications.
Wood Float Finish
A wood float finish creates a smooth, even shotcrete surface suitable for exposed applications or as a base for final coatings. This technique delivers a consistent and professional appearance while maintaining structural integrity.
Concreting in Civil Construction
Our concreting services for civil construction include foundations, retaining walls, and structural elements. We deliver precision, strength, and durability to meet engineering specifications and project requirements.
Mock Rock
Mock rock finishes combine shotcrete application with sculpted detailing to create natural rock-like surfaces. Ideal for architectural features and landscaping, this technique provides both aesthetics and stability.
Coring
Coring services allow for precise openings in concrete or shotcrete structures, accommodating utilities, reinforcements, or design adjustments without compromising structural performance.
PCA Ground Engineering can be engaged as the subcontractor or principal contractor where we routinely manage the complete earthworks, drilling and shotcreting packages on projects, ensuring optimal program and budgetary goals are achieved.