Joint

Wood Program 25-26, Aalto University

Site: Helsinki, Finland

Date: 11/2025

Supervisor: Pekka Heikkinen, Daniela Alatorre, Laura Zubillaga

Teammate: Linson Huang, Shivani Shah

Three wooden pieces arranged in an overlapping X shape on a black background.

The joint starts from a previous assignment of the skeleton. The main character is the joint knoch each other for support without any dowel or screws. Based on this principle, we intend to blur the distinction between horizontal and vertical elements.

Interior view looking upward at unfinished wooden structure, possibly a chair or table frame, with visible wood grain and joints, in an industrial or workshop setting with exposed ducts and ceiling lights.
A simple line drawing of a curved, elongated shape with a consistent width, resembling a thin arc or strip.
A simple sketch of a geometric shape with straight lines and an angular cut.
A large white malevolent arrow symbol on a black background.
Wooden cross construction with curved beams and central vertical support on black background.

CLT Frablication

- Outer layer 15mm thickness. Inner layer 30mm thickness.

- Grani orientation: Outer layers - tangential, inner layer - radial.

A woodworking workshop with a wooden board attached to a wall, a workbench with additional wooden boards, and tools like a saw and a black storage box in the background.
Technical drawing of a rectangular object measuring 1200mm in width and 300mm in height, with curved lines and cutouts within the rectangle.
Technical drawing of a rectangular object with a curved design and a central rectangular cutout, dimensions 1200 mm by 300 mm.

Notch

- Combination of bandsaw and handsaw.

A digital level placed on a wooden beam at a construction site.
A person is using a chisel to carve a joint in a piece of wood during woodworking. Wood shavings are scattered on a green cutting mat on the workbench.

Assembly

- Plywood is used to fill the gap.

- Dowel placement.

Close-up view of wooden beams with visible grain patterns, joined together on a workbench, likely in the process of construction or woodworking.
Wooden woodworking project in progress with various measuring tools and clamps on a workbench.

Compression Test

- Support on four points due to the height of the loading machine.

- Failure occurred at a load of 15.27 kN. The crack was located at the center of the bottom specimen.

A person standing in a workshop with machinery, wooden components, and metal parts, working on a robotic arm or machine assembly.
A close-up view of assembled wooden beams with visible wood grain and cross marks, on a workshop floor.