{"id":149194,"date":"2025-03-21T08:01:31","date_gmt":"2025-03-21T08:01:31","guid":{"rendered":"https:\/\/www.pbctoday.co.uk\/news\/?p=149194"},"modified":"2025-03-21T10:42:16","modified_gmt":"2025-03-21T10:42:16","slug":"sustainable-superhub-showcases-exposed-timber-structure","status":"publish","type":"post","link":"https:\/\/www.pbctoday.co.uk\/news\/digital-construction-news\/bim-news\/sustainable-superhub-showcases-exposed-timber-structure\/149194\/","title":{"rendered":"Sustainable \u2018SuperHub\u2019 showcases exposed timber structure"},"content":{"rendered":"

The \u201cSuperHub\u201d is a futureproof and sustainably designed multifunctional building. In an iterative process, the structural engineers succeeded in realising the design aesthetics of the visible timber construction while ensuring stability. They relied on SCIA Engineer software for the modelling and structural analysis of the load-bearing structure<\/h2>\n

On the eastern outskirts of the Dutch city of Groningen, a neighbourhood with around 5,000 new homes is set to gradually grow over the next decade.<\/p>\n

The construction of the multifunctional SuperHub building, which currently houses a supermarket, a caf\u00e9 and a health centre, has now provided a remedy in the search for a town centre.<\/p>\n

Thanks to the prefabrication of all parts of the building, the SuperHub was completed after a short construction period just over two years ago.<\/p>\n

Timber as a central design element<\/h3>\n

The spacious market hall, which looks like a cathedral with its large span and 9m high ceilings, extends over a gross floor area of
\n2,090 sq m.<\/p>\n

The timber columns, arranged in a grid, are lined all around with a building-high, non-loadbearing curtain wall made of glass and steel, which features curved windows at the rounded corners of the oval building, provides thermal insulation to Passivhaus standards and ensures particularly bright interiors.<\/p>\n

The timber construction has a positive climate footprint and was designed to be futureproof and sustainable<\/a>. The large span and high ceilings allow for flexible, resource-saving building conversion and fulfil the requirements of changing usage needs.<\/p>\n

The large roof area offers sufficient space for greenery and a photovoltaic system. Thanks to the built-in air treatment system and heat and cold storage in the floor, a pleasant and energy-efficient indoor climate is also ensured.<\/p>\n

22 glued laminated timber pillars support the flat roof<\/h3>\n

The 9m high flat roof construction consists of a diagonal grid of glued laminated timber beams. The roof overhangs by 5.4m on all sides. It is supported by 22 pillars arranged in a grid of 10.8m x 10.8m.<\/p>\n

The geometry of the pillars is reminiscent of a tree: each pillar is made up of four curved glued laminated timber supports that branch out at the top to form a cross.<\/p>\n

The glued laminated timber supports are held together at the connections by invisible steel connecting elements. Beams extend from the end of each curved \u2018tree\u2019 support, forming the lattice-like structure of the symmetrical roof.<\/p>\n

\"Modern<\/p>\n

Loadbearing structure captured as a 3D structural analysis model<\/h3>\n

Structural engineer Pieters Bouwtechniek was responsible for the structural design of the SuperHub.<\/p>\n

\u201cThe complex interplay of forces in the cantilevered roof structure and its interaction with the tree-like timber supports could only be properly captured in a 3D analysis model,\u201d explains Steven van Eck, structural engineer at Pieters Bouwtechniek.<\/p>\n

The engineers therefore relied on the multi-material structural analysis software SCIA Engineer for the modelling and structural analysis.<\/p>\n

Iterative design process for connection details<\/h3>\n

\u201cWe initially put a lot of effort into designing the connection details for the timber components, because the design of the connections has a significant influence on the entire loadbearing structure and its structural analysis,\u201d recalls van Eck.<\/p>\n

\u201cOn the way to the final model, we tested various systems of continuous beams and single-span beams in SCIA Engineer in numerous iterations, in which the arrangement of the hinges and the rotational stiffness of the connections varied constantly.\u201d<\/p>\n

Meanwhile, the team saved a lot of time modelling the \u2018tree\u2019 columns.<\/p>\n

\u201cWe modelled a pillar with its four glulam columns and the beams, as well as the steel connections, and then duplicated them by copying and pasting in the grid,\u201d said van Eck, who was able to model 90% of the structure in a very short time in this way.<\/p>\n

Structural analysis with SCIA Engineer<\/h3>\n

For the majority of the calculations, the structural engineers carried out linear static analyses in SCIA Engineer<\/a>.<\/p>\n

Because the building is located on the edge of an earthquake zone, earthquake analyses were also carried out using the modal method and the multimodal response spectrum method.<\/p>\n

The engineers determined the base shear force, which was then used to prove that wind loads are decisive over seismic loads.<\/p>\n

In addition, the SCIA Connection Forces function was used to easily determine the forces of the governing connection details. SCIA Engineer\u2019s calculation report helped the team to quickly generate an output of the structural calculations for the documentation of the model.<\/p>\n

\u201cI like using SCIA Engineer because, thanks to the many modelling and calculation options, I can create a customised and workable design for any project, no matter how complex, and let the software do the work for me,\u201d concludes van Eck.<\/p>\n

*Please note that this is a commercial profile.<\/em><\/p>\n

\n<\/div>","protected":false},"excerpt":{"rendered":"

The \u201cSuperHub\u201d is a futureproof and sustainably designed multifunctional building. In an iterative process, the structural engineers succeeded in realising the design aesthetics of the visible timber construction while ensuring stability. They relied on SCIA Engineer software for the modelling and structural analysis of the load-bearing structure. <\/p>\n","protected":false},"author":25,"featured_media":149210,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[305],"tags":[576,173017,464,172727,916,915,172756],"stakeholder_rel_tag":[172370],"contributor_rel_tag":[],"class_list":{"0":"post-149194","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-bim-news","8":"tag-bim-software","9":"tag-bim-today-march-2025","10":"tag-contributor-profile","11":"tag-featured","12":"tag-modern-methods-of-construction","13":"tag-timber","14":"tag-timber-frame-construction","15":"stakeholder_rel_tag-allplan"},"acf":[],"yoast_head":"\nSustainable \u2018SuperHub\u2019 showcases exposed timber structure<\/title>\n<meta name=\"description\" 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