Worldwide innovation in connection technology

The Finnish manufacturer Peikko brings to the market the world innovation Tenloc. The greatest advantage of Tenloc is the instant form-fitting and friction locking connection of individual precast elements to each other. Structural and loadbearing connections are established within seconds.

The system is a combination of a latch system and an anchorage system – the latch system is cast into one precast element and the anchorage system into another precast element adjacent to the first precast element; the latch system of the one component assembly then, during assemblage, engages with the anchorage system of the opposite component assembly to establish a connection with the reinforcement of the other precast element. The principle of the Peikko innovation is applicable  both for connecting abutting walls and for corner and T connections.

Simple installation

The two-part Tenloc element connector is housed in a box specifically developed for that purpose. The latch system can be turned by the fitter with a hexagonal spanner through the opening in the box so that the latch encloses the reinforcing bar on the opposite side. The fitter initiates the actual tensioning process by continuing to turn the spanner after locking, thus establishing a flush connection.

In the precast plant, the two parts of the element connector are positioned on the form tables prior to casting. Special markings and spacing strips on the boxes containing the latch and anchorage system facilitate exact positioning.

Within the scope of the comprehensive tests carried out with Tenloc, Peikko cooperated, among others, with Xebex, a leading supplier of precast elements for building construction headquartered in the German city of Bad Dürkheim. One of the first successful pilot projects to be completed was an oversized precast garage, fitted with Tenloc element connectors.

Peikko has the production facilities of the Tenloc element connectors regularly tested and certified by independent institutions.


Related articles:

Advertorial / Advert

Versatile Rebar Anchorage

Headed Anchors provide a reliable reinforcement solution for steel reinforced concrete. The head is forged at one or both ends of the rebar. It allows the full tensile strength of the embedded rebar...

Issue 03/2015 BAU 2015

Full halls, good atmosphere

Normally, the big run takes place at the second day of the trade fair. However, at BAU 2015 visitors were already streaming through the aisles and stands on the first day. According to the organizer...

Issue 08/2017

Bolted column connection for seismic applications

1 Introduction The connections between precast elements play a fundamental role in the overall performance of the structure, representing a critical link where structural continuity is needed for...


Innovation: New seismic connection ­system for masonry blocks

Many earthquake regions worldwide are built-up with buildings of skeleton frame construction made of concrete or steel, the spaces of which are infilled with blocks. According to the manufacturer, an...

Issue 06/2010 New product to connect wall elements

Peikko launches single wire connection loop

Peikko’s patented PVL-product has national approval for static loads and has gone through a rigorous testing program at the VTT Technical Research Institute of Finland. The product becomes available...