EN

Build Year

2021

Architect

Orange Architects

Entrepreneur

Bouwbedrijf De Nijs

Builder

Ontwikkelcombinatie Overhoeks (Amvest & Ymere)

LARGE AND ELEGANT RESIDENTIAL CONSTRUCTION

 

The residential development "The Line" in Overhoeks, Holland consists of 72 apartments in the newly developed area opposite Amsterdam Central Station. Overhoeks is a dynamic living and working area close to the city center. Buildings and green spaces are emerging in the area, creating an attractive and diverse residential environment.

 

The Line is centrally located in Overhoeks with views over the city from all sides of the building. Due to the high density of the neighborhood, maintaining sufficient daylight at street level was a key consideration in the design.

 

The balconies are part of a cohesive outdoor space surrounding the building. A veil of slender beams covers the building like a cobweb. The identity of The Line is greatly defined by its facade - composed of 60 mm thin balcony edges and 880 slim UHPC columns.

 

In close collaboration with Hi-Con Netherlands, the planned balcony slabs and facade columns in Ultra High Performance Concrete (UHPC) have been further developed.

SPACIOUS BALCONIES AND SLIM COLUMNS

The columns in UHPC are a significant part of the project. The lightly tapered columns measure 80 mm on three sides and only 60 mm wide in the front, yet they extend up to 3.4 m in length. The columns are attached to the balcony slabs with steel pins and brackets.

 

The balcony slabs in UHPC can reach up to 6.5 m in length, with a cantilever depth of nearly 2 meters! On the facade side, the balcony slabs have a graceful curve at the bottom, enhancing the spacious and natural feel of the outdoor areas.

 

Organge Architects and Bouwbedrijf De Nijs approached Hi-Con in the early stages of the design process. The construction of UHPC is executed by Pieters Bouwtechniek. Due to the unique performance and properties of UHPC, collaboration in the early design phase is crucial to achieve optimal results in terms of aesthetics, engineering, and economics. This applies to all our solutions.

 

UHPC is still rarely used in facades. The Line is a progressive and inspiring exception to this. The project demonstrates that using UHPC in facades is valuable and achievable - albeit challenging. For architects and contractors aiming to push boundaries, UHPC is a thoroughly tested material for innovative solutions that add value to the entire construction project.

The Line
The Line

SAVINGS ON MATERIAL, WEIGHT, AND CO2

UHPC is a thoroughly tested and durable building material with outstanding performance and properties, boasting a lifespan of over 100 years. The material offers significant aesthetic potential while being highly functional.

 

With UHPC, it's possible to achieve a very slim balcony design and a form-free construction, thereby saving on material, weight, and CO2 compared to a solution in regular concrete.

 

In residential construction, reduced weight translates to more outdoor space and thus added value. This applies to both new construction as well as renovation and transformation projects.

Read more about material savings and CO2 here.
"From the very beginning of the design phase, we had the idea of giving the building a very slim appearance. We worked directly with Hi-Con to realize this in Ultra High Performance Concrete."

Orange Architects

GALLERY

Photo: Sebastian van Damme

The Line
The Line
The Line
The Line
The Line
The Line
The Line
The Line

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