Access, Pipe Jacking & Ventilation Shafts
Humes has developed a competitive range of underground shaft systems for civil, mining and urban utility applications.
These systems support the construction of permanent and temporary shafts for pipe jacking, access and ventilation purposes, providing structural reliability and improved construction efficiency across varied soil conditions.
Segmental Shafts
Segmental shafts offer a viable alternative to traditional shaft construction techniques used in Australia. With a unique segment design, Humes systems deliver flexibility in installation, high structural capacity and a safer method of constructing below-ground chambers.
Two installation approaches are available. The caisson method is suited to soft soil conditions, allowing the shaft to be constructed above ground and progressively jacked downward using controlled force. The underpin method retains the strength and performance benefits of the caisson system but is more appropriate in hard ground where shaft jacking is not feasible.
Segmental shafts are available in standard internal diameters of 4.5m, 6m, 7.5m, 9m, 12.5m and 15m. Larger diameters can be manufactured to suit project requirements.
Humes segmental shafts deliver safe, efficient underground shaft construction across civil and utility projects.
One Piece Shafts
For smaller diameter applications, Humes offers standard one-piece caisson units designed for rapid construction. Units bolt together vertically with integrated seals to form a finished shaft. Standard internal diameters are 3m and 3.6m, with depths ranging from 1m to 2.4m. Shafts incorporate a steel cutting edge and may be supplied with HDPE or PVC linings, with precast roof slabs available where required.
