The AKL^® fastening plate is suitable for shallow structures where there is space for the plate's short grips. The plate is placed at the edge of the structure at a minimum distance of just the protective concrete layer (25 mm) from the edge. In edge placement, the plate is always reinforced. The durability values of the AKL® fastening plate are determined based on the edge distance. The AKL^® plate has three material options. AKKT angle rods are used at the corners of columns.

The KL fastening plate is suitable for structures where there is space for the plate's long grips. The plate can be placed at the edge of the structure at a minimum distance of the protective concrete layer (25 mm). The KL plate then has full tensile and bending strength. In edge placement, the plate is reinforced. The durability values of the KL fastening plate are determined based on the edge distance. The KL plate has three material options.

Fastening Plate Applications

• AKL^® and KL fastening plates are used in concrete structure joints to transfer the structure's forces through the plate to the base concrete.
• The grip of the KL fastening plate is a direct reinforcing bar, making the plate suitable for the edge of a concrete structure with full tensile and bending strength.
• The AKL^® fastening plate has short grips and is suitable for shallow concrete.
• Durability values are determined for both reinforced and unreinforced concrete structures.
• Surface plate materials: S355J2+N and austenitic 1.4301 and 1.4401.

Joint Design

• The durability values of the fastening plates comply with SFS-EN 1992-4:2018.
• The fastening plate is designed using Anstar Oy's ASTEEL software.
• The program calculates the fastening plate's loads for fracture and accident situations.
• The program calculates the reinforcement of the fastening plate.
• With the ASTEEL software, the profile to be welded to the fastening plate and the weld joint are calculated.
• The software produces strength calculations for the fastening plate, the joint profile, and the weld.

The design of fastening plate joints can be carried out using Anstar Oy's ASTEEL software, which sizes the plates for the structure's loads and the plate's placement at the edge of the structure. The software sizes the reinforcement of the fastening plate as well as the profile to be welded to the plate and its weld joint. Joint design and strength calculations are produced at the same time.

AKLC-Custom Fastening Plates

AKLC-Custom is a product manufactured by Anstar Oy for project-specific attachment where standard products are not suitable. The dimensions and materials of the AKLC fastening plate are designed according to the order.

AKLC-Custom Fastening Plate Applications

The AKLC fastening plate is a specialty product for joints in element and in-situ cast structures. Its dimensions and durability values are defined project-specifically. The fastening plate transfers the forces of the attached structure through the surface plate and grips to the base concrete.

AKLC-Custom fastening plates are implemented for attachments placed in shallow structures. The plate uses short blunted grips in such cases. The fastening plate can also be made with direct reinforcing bar grips, allowing the plate to be inserted into dense reinforcement.

AKLC-Custom plates can also be used for heavy-duty attachments. The size and thickness of the surface plate are chosen, and the grip is either direct or blunted reinforcing bar grip. Durability values can be determined for unreinforced structures, and the plate can be reinforced for tensile and shear forces.

Joint Design

The structural designer makes a proposal for the plate's materials and dimensions, the distribution of grips, and defines the plate's loads and the dimensions of the joint profile. Anstar designs the plate using the ASTEEL software for the given fracture and accident situation loads. The durability values of the fastening plates are defined according to the SFS-EN 1992-4:2018 standard.

ASTEEL Design Software

The ASTEEL design software is a tool for designers to design steel profile base plates for bolt connections in concrete. The software uses Anstar Oy's heavy-duty anchor bolts and lightweight rebar bolts. The software is also used for attaching machinery and equipment to concrete foundations. The software includes joint types for composite beams, fastening plates, and bracing connections in concrete.