IABSE WORKSHOP 21 April 2017 Merchant’s Bridge, Castlefield, Manchester Outline of Natural Frequency Assessment presented at workshop in the IABSE conference 21 April 2017 Aim of Workshop To demonstrate how the approximation of dynamic behaviour of a long-span structure using approximate techniques can provide an understanding of its characteristic behaviour. Benefits of Conceptual Design To enable […]
Category: Investigation and Analysis of Built and Historic Structures
Analysis and Investigation of existing and Historic Structures.
Troyes Cathedral Section – ref. recent post In section this illustrates a ‘massive buttress’ in proportion to the upper and lower vaults.
The Structural Engineer Magazine question, March 2017 edition – and finally – was questioned by two readers who attempted the question. They noted that the resolved buttress load was outside the middle third of the buttress, although, the buttress was declared stable. An explanation for this is shown below…. Q-11 diagrams – A4-FORCE-DIAGRAM
R100 Airship Engineering Wonder of the Early Aviation Age Circa 1925 The R100 design was a remarkable tale of engineering, circa 1925. First it should be pointed out that two airships were designed and built in competition: the R101 by a government backed team (chief engineer: Lieutenant-Colonel Vincent Crane Richmond) and the R100 by a […]
Roof Analysis – Arch or Trussed Beam? On 16 March 2015 Jim Parry gave a seminar on the history of Lime Street Station at John Moores University on the history of Lime Street station and historic roof structures from 1849 (Richard Turner, in collaboration with Joseph Locke and Richard Fairbairn); replaced in the 1860s with […]
Approximate Assessment of Main Support Cables in the Arena Fonte Nova, Brazil World Cup Stadium 2014 A stunning stadium roof built for the 2014 football world cup, the Arena Fonte Nova was designed by RFR Engineers using non linear analysis. RFR was founded by Peter Rice of Ove Arup in 1982 in Paris. In the […]
Further Appraisal of the New IStructE Stair The Structural Engineer July 2015 Further to the recent post a new article appeared outlining the dynamic behaviour of the stair by Expedition Engineers. In the June 2015 edition of the Structural Engineer magazine the stair design was featured on the cover and the design described in […]
Appraisal of the New IStructE Stair Built in 2014 when the Institution of Structural Engineers moved to a new headquarters in Bastwick Street, Expedition Engineers undertook the design of a staircase in the main atrium, as part of their commission for the building. Hugh Broughton Architects were the architects. It was based on traditional cantilever […]