Ämmässuo construction-waste handling plant

Ämmässuo construction-waste handling plant

Location Espoo Finland
Building Year 2014
Architect DI Petteri Blomberg, Ramboll Finland Oy
Structural Design Insinööritoimisto Asko Keronen
Constructor YIT Rakennus Oy
Customer Helsinki Region Environmental Service Authority HSY
Products Used Kerto LVL, Glulam
Type Industrial And Agricultural Buildings

A canopy from Kerto® LVL box elements with a ready-installed rainwater gutters

​​Challenge

The Ämmässuo sorting station wanted a canopy of approximately 3000 square meters with an unrestricted height of around 12.5 metres. The canopy would allow construction waste to be handled while protected from the weather. The wish was to make it also ecological by using wooden structures.​​

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Solution

The canopy is constructed of pre-waterproofed Kerto® LVL (laminated veneer lumber) box elements approximately 10 metres long, with a rainwater gutter already installed. The canopy is supported on specially shaped cross-beams and a ridge beam to give it a double pitch. The roof elements on each side make up a uniform plate which transfers the horizontal loads. The horizontal loading is divided by the reinforced concrete and laminated timber columns in relation to their stiffness.

Results

The canopy is substantial in size, 63 metres x 53 metres, with an unrestricted height of around 12.5 metres. The number of internal columns was minimized to ​make the facilities as spacious as possible. Also the bracings typical in wooden halls were avoided according to the subscriber's wishes.

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