Technology

Cast-in channels are embedded in concrete to create reliable, adjustable fixing points for mechanical services, curtain walls, precast components, and structural connections. Because the channel becomes part of the finished structure, its profile, material, anchors, and installation method must be considered together.

Precast concrete elements are handled many times before they reach their final position. A wall panel may be lifted from the casting bed, stripped from the formwork, moved around the yard, loaded onto a truck, unloaded on site, and finally erected. Each operation places a concentrated load at a small number of lifting points.

Modern precast construction depends on repeated handling. Wall panels, beams, columns, slabs, piles, pipes and tunnel segments are stripped from moulds, moved around production yards, stacked, loaded for transport and finally erected on site. Each operation transfers the weight of a substantial concrete element through a small number of lifting points.

Precast concrete construction depends on precisely planned interfaces. Every wall panel, beam, stair unit, and equipment mounting point must connect to another element safely, efficiently, and with minimal rework. Cast-in inserts and connections create these interfaces before the concrete is poured. They allow bolts, rods, brackets, plates, and structural members to be attached at predetermined locations, reducing on-site drilling and improving installation accuracy.

In modern precast concrete construction, lifting ultra-thin components safely and efficiently requires specialized anchoring systems. Among the most innovative solutions is the Wavy Tail Anchor.

Ferrule inserts create dependable threaded connection points in precast concrete. In a wall panel, beam, column or other factory-made element, the insert is cast into position so that a bolt or stud can be attached after demolding, during transport or on site. Because the insert becomes embedded in the finished element, its thread, anchorage, position and protection must be correct before concrete is placed.

Coil inserts are among the smallest components in a precast concrete project, yet they influence some of its most consequential operations. They provide controlled lifting points, facilitate handling and temporary connections, and can support later installation or access. Once cast into concrete, however, their position, orientation, embedment, and compatibility with lifting equipment are difficult to change.

Selecting precast concrete lifting devices, including cast-in lifting anchors, lifting sockets, lifting loops and compatible lifting clutches, requires a systematic assessment of the element, lifting points, concrete anchorage and complete handling system. Matching an element’s total weight to a nominal tonnage is not enough.