The Art of Structural Design - page 96

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Category 2: Civil Structures
2
Stairs and Bridge “Bierkaai” - Hulst, The Netherlands
AP
Grontmij Nederland BV
Contact
Edwin Fraanje
Address Segeersingel 6
4337LG Middelburg, The Netherlands
Website
Grontmij provides consultancy, design & engineering and management
services in a broad range of market sectors related to the built and natural
environment.
Within our range of expertise, and with approximately 7,000 professionals
around the world, we aim for for European leadership in five Group growth
activities: Energy, Highways & Roads, Light Rail, Sustainable Buildings
and Water.
Our guiding principle is sustainability by design which is a leading value
proposition for our customers.
Owner
Gemeente Hulst
Architect
Op ten Noort Blijdenstein Archirtecten & Adviseurs
General Contractor
ARCADIS Nederland BV
Engineering Office
Grontmij Nederland BV
Construction Period 06/2011 - 06/2012
General project data
As part of the redevelopment of the city centre of Hulst (Zeeuws
Vlaanderen) a design of a concrete bridge with skirts and Spanish stairs
was made for a precast concrete supplier.
Allplan Engineering
The challenging part of modelling the skirt was following the contour
of the stairs while securing a correct connection to the bridge. In order
to manufacture the skirt, it had to be divided into elements. Another
challenge was fitting the steps between the skirts and the masonry quay
wall, resulting in unique steps each with a different width and length and
with different angled sides.
Production Drawings
By designing in 3D it was clear from the start that all elements joined
nicely. All the elements (bridge girders, approach slab, stair steps, and
skirts) were generated into 2D production drawings. By using Allplan,
views and sections of the elements could be easily generated from the
model and dimensions could be added to more complex parts in order to
make the formwork for the prefabrication.
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