Crossrail Station Abbey Wood, London, United Kingdom
With the Crossrail railway line in Great Britain, one of the biggest infrastructure projects of Europe is in progress. The construction costs for the 73-mile railway line amount to about €21 billion. It runs from Reading in Berkshire in the west to Shenfield in Essex in the east, crossing through the center of London.A branch line runs under the Thames to Woolwich and ends at the recently completed Abbey Wood Station. Its extraordinary timber roof construction has the shape of a huge manta ray which seems to hover above the station.
Crossrail Limited, UK
Network Rail Limited, UK
Fereday Pollard Architects Ltd., UK
|Structural Analysis Timber Construction||
enartec - engineering + architecture, Italy
|Timber Construction Prefabrication, Work Planning, and Assembly||
WIEHAG Holding AG, Austria
Two Dlubal customers have been involved in the project. WIEHAG Holding AG planned, produced, and assembled the timber structure; the engineers of enartec – engineering + architecture performed the structural analysis for the roof structure in RFEM.
The roof, made of larch and spruce glulam timber with the dimensions of 164 ft x 181 ft, has a total area of 17,222 ft2. Four single-curved primary supporting bars made of glulam timber form the basis of the roof structure. They were designed as articulated beams and each beam has a total length of 148 ft.
Single and double-curved secondary beams are connected to the primary beams with a center distance of 6.6 ft. 18 straight or single‑curved tertiary supporting bars are included as well. Three‑layered plates made of natural larch and spruce wood are used to build the roof supporting structure.
The roof is supported by columns and beams made of steel. The bracings and the edge beams of the roof are made of steel as well. A total of 33 tons of steel were used.
Once the Crossrail railway line is completed in 2019 as planned, the free-form roof structure of the Abbey Wood Station will certainly be one of the architectural highlights of this major project.
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3D Supporting Structure Model of Crossrail Station Abbey Wood in RFEM (© enartec - engineering + architecture)
Interior View of the Timber Roof Structure of Crossrail Station Abbey Wood (© www.chrismansfieldphotos.com)
RFEM/RSTAB add-on module RF-/JOINTS Timber-Timber to Timber | Design of direct timber connections according to Eurocode 5
RFEM/RSTAB add-on module RF-/JOINTS Steel-Column Base | Hinged and restrained column bases according to EC 3
RF-/DYNAM Pro - Natural Vibrations Add-on Module for RFEM/RSTAB | Determination of natural frequencies and mode shapes
RFEM/RSTAB Add-on Module RF-IMP/RSIMP | Generation of Geometric Replacement Imperfections and Pre-deformed Replacement Structures
Extension of the RF-/STEEL Warping Erosion module | Lateral -torsional buckling analyzes of members according to the second -order theory with 7 degrees of freedom
RFEM/RSTAB add-on module RF-/JOINTS Steel-Tower | Hinged connections of lattice tower members according to EC 3
RFEM/RSTAB add-on module RF-/TOWER effective lengths | Determination of effective lengths of lattice towers
RF-CONCRETE NL Add-on Module for RFEM | Nonlinear reinforced concrete calculation for the serviceability limit state
RFEM/RSTAB add-on module RF-/STEEL BS | Design of steel members according to BS 5950 or BS EN 1993-1-1
RFEM add-on module RF-LOAD-HISTORY | Consideration of plastic deformations from previous load conditions
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Programs Used for Structural Analysis
Module Extension for STEEL EC3 and RF-STEEL AISC
Structural engineering software for finite element analysis (FEA) of planar and spatial structural systems consisting of plates, walls, shells, members (beams), solids and contact elements
Stress analysis of steel surfaces and members
Design of steel members according to Eurocode 3
Timber design according to Eurocode 5, SIA 265 and/or DIN 1052