Implenia has decades of experience in all types of foundation engineering. Which is one reason why we are the number one company in this demanding business in our European target markets. From planning to execution, we develop complete solutions for construction pits, support structures, deep foundations and noise abatement walls. Our proven specialists use innovative solutions and a modern fleet of powerful machinery to rise to any challenge, no matter how large.
Trenchless: We dig. Trenchless.
Implenia Special Foundations Trenchless are your experts for trenchless construction using the pipe jacking, microtunnelling and E-Powerpipe® methods as well as for horizontal & target drilling. We support you from the planning phase, through implementation and execution, to operation - and ensure the highest quality and outstanding service with end-to-end project management.
For the supply to work
Modern residential areas require a reliably functioning infrastructure that must meet the requirements of both private households and businesses. Ever-increasing user expectations, higher demands of society and stricter requirements of the Confederation, cantons and municipalities spur us on every day.
The constant growth and increasing complexity of supplying urban centres and conurbations calls for innovative construction methods so that people and traffic are affected as little as possible during the construction phases of essential infrastructures. After all, without supply lines for electricity, water, oil or gas, urban life would collapse within a very short time.
Implenia Trenchless offers sophisticated complete solutions for trenchless construction.
Pipe jacking: Trenchless construction method for pipeline construction
Microtunneling: Remote-controlled full section method, also in groundwater
E-Powerpipe®: Trenchless construction method for laying underground cables over long distances with minimal overlap
With trenchless construction methods such as pipe jacking or microtunneling, we are able to construct underground service tunnels and pipelines with internal diameters of 500 to 3,200 millimetres with pinpoint accuracy. Above ground, only one start and one target shaft are required. We can carry out all procedures with our own equipment. This minimises interfaces and your order is completed quickly, flexibly and cost-effectively.
In the course of the energy turnaround, approx. 2,000 km of new high-voltage lines will have to be built in Germany in the coming years, with a large proportion of the lines being laid as underground cables. Implenia was the first tunnelling company to use the E-Powerpipe® method to lay underground cables without trenches.
The E-Powerpipe® method enables cable protection pipes with lengths of over one kilometre to be laid underground quickly and safely. The trenchless technology can be precisely controlled and used with low coverages and has great advantages over the HDD.
Horizontal & Target Drilling
In order to connect existing and newly created service channels to the surrounding buildings, it is often necessary to create precisely targeted connecting lines.
With our machine technology we can realise such sewer or building connection drillings with a drill diameter of up to approx. 280 mm.
Drilling lengths up to more than 20 m are the rule here.
Bored pile walls and diaphragm walls as well as stilling and nailing walls are used to close the excavation pit. With our many years of experience in the field of diaphragm walls, we work very successfully not only in the construction of construction pits but also in the sealing of dams, landfills and tank farms.
Whether pre-stressing anchors for temporary or permanent anchoring of structures, micropiles for transferring sometimes enormous loads into the load-bearing subsoil, ground nailing to secure excavation pits, reinforcing the subsoil by means of jetting or injection or the construction of small filter wells: Implenia guarantees the professional and competent execution of your project.
The planning and execution of water management concepts are among our core competencies. From open dewatering to vacuum lowering (Wellpoint method) and lowering of the groundwater level with filter wells, we offer a guarantee for the successful construction of your structure.
For your project we carry out geological, geotechnical, hydrological and contaminated site specific soil investigations. With our machinery we are able to carry out exploratory drillings even on difficult accessible terrain.
Vibratory printing process
Vibratory printing process
Even fine-grained soils such as Silte and Tone are made resilient by our processing. For over 70 years, we have been compacting soils with the vibro-pressure method for settlement-sensitive structures or highly permeable building ground.
Total excavation pits
Total excavation pits
With our experience in the entire field of special foundation engineering and above all in securing excavation pits, we offer complete solutions for complete excavation pits.
We are your partner for low-noise full or partial displacement piles with diameters ranging from 420 mm to 620 mm and vibration-free piles in displaceable soil for pile loads up to 5000 kN.
In-situ concrete piles (cased or uncased), constructed with rotary drilling or grab equipment, form the basis for pile foundations of all kinds in the diameter range from 700 mm to 2500 mm. Boreholes for large filter wells are used for water supply or support large construction projects by lowering groundwater levels over large areas (diameter 800 mm to 1800 mm). We also realize vertical shaft lowering for horizontal filter wells.