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Anchor equipment

Anchor equipment

We provide a comprehensive range of anchors and accessories to meet diverse challenges (quay structures, onshore and offshore wind turbine foundations, tunnels, excavations, retaining walls and slope stabilization).

Piles

In terms of construction, a pile foundation is a type of deep foundation that enables the loads of structures to be transferred to deeper, more stable layers of soil.

When constructing a pile foundation, piles (also known as pilots) are drilled or rammed into the soil until a sufficiently stable layer of soil or stone has been reached. The load of the structure is then firstly transferred through the friction of the piles with the soil (skin friction) and secondly via the point-bearing pressure of the piles.

Anchors

Irrespective of the type of anchor, we make a fundamental distinction between two types of anchor, according to their function: temporary anchors, which are usable for a maximum of two years, and permanent anchors, which primarily meet higher standards of corrosion protection.

Anchor systems that do not require drilling, driving or other equipment for installation are particularly cost-effective. Equipment is only required for handling, due to their high weight.

If enough space is available and any earthmoving is straightforward or necessary anyway, these usually horizontal systems are the ideal solution.

Round steel tie rods

Round steel tie rods

The solution for sheet pile walls

An anchorage employing round steel tie rods is an economical solution for securing a sheet pile wall, which can be adapted to suit the situation. The forces acting on the wall are transferred via the waling to the round steel tie rods and then to the anchor plates or walls. The selection and design of the anchoring structure is done in accordance with static and structural requirements.

Upon request, we can supply a complete package from one source, consisting of the supply and installation of all the anchorage elements and accessories required for sheet piling structures. Apart from anchors and anchor parts, anchor connection elements, walings and waling fixings, sheet pile wall capping beams, recesses, ladders and mooring lugs plus bollards and special components are also part of our range.

Applications

  • Cofferdams
  • Ports and harbors
  • Waterways
  • Locks
The solution for sheet pile walls.

tk-ASF drilled injection pile

tk-ASF drilled injection pile

tk-ASF drilled injection pile is the name of the new micropile developed by thyssenkrupp Infrastructure in collaboration with specialized civil engineering companies.

The advantage of this innovative anchoring is that the TK-ASF drilled injection pile system can introduce extremely high service loads into the subsoil with a small drilling diameter, using special injection techniques. The new micropile is exceptionally robust and hardly deforms. The reason is the high load reserves achieved through the use of tempered steel grades in accordance with DIN EN 10025-2. A special type of thread ensures that the crack widths in the cement body of grout are minimal. Using a Whitworth thread on the anchor head, other components such as load distribution plates, turnbuckles or universal joints can be easily adapted. The TK-ASF drilled injection pile system has proven its worth in over 100 reference projects totaling more than 500,000 meters drilled.

Applications

  • Anchoring in marine and specialized civil engineering
  • Foundation piles for tension and compression loads
  • Anchoring in waterway development
tk-ASF drilled injection pile

TITAN micropile

TITAN micropile.
The economical system.

Micropiles are non-prestressed pile elements with a diameter < 300 mm. Various types are available. They are especially popular for strengthening or underpinning existing foundations and transfer the tensile and compressive forces into the subsoil. Depending on the application, micropiles can be loaded in tension only, but also in tension and compression. thyssenkrupp Infrastructure can supply appropriate solutions.

Micropiles – loaded in tension only

A micropile is a continuous steel tendon that is inserted into the subsoil. Pressure grouting produces a body of grout at the bottom end of the steel tendon. This grout is connected with the part to be anchored by the steel tendon (unbonded length) and the anchor head. Loads are transferred to the ground via skin friction over the defined anchorage length.

Applications

TITAN micropile
  • Anchoring in tunnel construction
  • Tunneling under rail embankments
  • Anchoring of ramps
  • Tunnel stabilization by horizontal high-pressure injection into soil
  • Shear reinforcement of pier noses
  • Stabilization of trouble zones with polyurethane systems e.g. tunneling
  • Slope stabilization at start of tunnels

Micropiles – loaded in tension and compression

Here, a continuous steel tendon is surrounded over its full length in the ground by the cement grout injected subsequently. The force is transferred via the combination of tendon and grout along the pile’s full length. The load is transferred into the subsoil by means of skin friction. The micropiles can be drilled either vertically or at an angle and are generally loaded axially. Products are manufactured by Ischebeck.

Applications

  • Back anchoring of retaining walls
  • Underpinning of bridges, construction of new bridge foundations
  • Uplift protection
  • Road expansion
  • Reinforcing bridge abutments
  • Rehabilitation of bridge piers and port areas
  • Foundations for electricity pylons
  • Transmission masts
  • Wind generators
  • Catenary masts for railways
  • Noise control walls
  • Avalanche protection
TITAN micropile.

TITAN soil nails

TITAN soil nails

Versatile anchors for every terrain

Soil nailing is a method of improving the natural stability of the soil. Soil nails in accordance with DIN EN 14490 increase the cohesion that is lacking in loose material. They also enhance the tensile and shear strength of such soils, thus creating a new composite material with a high load-carrying capacity. The soil must exhibit an adequate minimum stability for site operations.

Applications

  • Slope stabilization
  • Excavation shoring
  • Refurbishment of unstable slopes and hillside roads
  • Retaining walls
  • Foundations for rockfall nets
  • Strengthening the permanent way
  • Made embankments
TITAN soil nails.

Driven anchor piles

Driven anchor piles

Safe anchorage of high tensile forces

Applications:

  • Quay wall structures

In principle, additional deformations cause an increase in the stresses in the pile, which in some circumstances means that the maximum axial force occurs not at the head of the pile but behind the sheet piling. This must be taken into account when designing the piles and the connection to the wall.

Round Steel Tie Rods

Round Steel Tie Rods

An anchorage employing round steel tie rods is an economical solution for securing a sheet pile wall, which can be adapted to suit the situation. The forces acting on the wall are transferred via the waling to the round steel tie rods and then to the anchor plates or walls. The selection and design of the anchoring structure is done in accordance with static and structural requirements.

Round steel tie rods are preferably installed horizontally or with only a shallow inclination because otherwise if the anchor wall is very deep, large quantities of soil must be excavated for the connection to the anchorage.

Round Steel Tie Rods
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