Join me on my merry trek of old ruins, cinemas, railways and things that just catch my attention around Yorkshire and the UK. John.
View this post on Instagram Former Markham Moor petrol filling station {and then Little Chef) on the A1 southbound near Retford. Constructed in 1960-61 to designs by architect Hugh Segar (Sam) Scorer and structural engineer Dr Hajnal-Kónyi (a refugee from Germany in 1936) This concrete hyperbolic paraboloid (or saddle) roof was originally the canopy above an open space where the petrol pumps were, but was converted to a Little Chef restaurant in the 1980s after the filling station closed. After Little Chef moved the building was left empty becoming derelict and when the road was due to be improved the building was to be demolished but following a campaign it was given Grade II listed status, ensuring its survival. The hperbolic paraboloid shape gives the structure strength and it enjoyed a brief period in fashion in the late 50s and early 60s. Thin shell concrete roofs were invented in Germany in the 1920s in the form of barrel roofs and after the war the method was developed further leading to these 'hypar' roof designs which could have quite large spans, required only limited materials and are low cost. The building has been recently had work done on it and looks like something could move in soon, just needs fitting out #markhammoor #concreteroof #littlechef #a1road #saddleroof #samscorer #hyperbolicparaboloid #hypar A post shared by John | Exploration and history (@merrytrek) on Sep 9, 2019 at 11:25am PDT
Former Markham Moor petrol filling station {and then Little Chef) on the A1 southbound near Retford. Constructed in 1960-61 to designs by architect Hugh Segar (Sam) Scorer and structural engineer Dr Hajnal-Kónyi (a refugee from Germany in 1936) This concrete hyperbolic paraboloid (or saddle) roof was originally the canopy above an open space where the petrol pumps were, but was converted to a Little Chef restaurant in the 1980s after the filling station closed. After Little Chef moved the building was left empty becoming derelict and when the road was due to be improved the building was to be demolished but following a campaign it was given Grade II listed status, ensuring its survival. The hperbolic paraboloid shape gives the structure strength and it enjoyed a brief period in fashion in the late 50s and early 60s. Thin shell concrete roofs were invented in Germany in the 1920s in the form of barrel roofs and after the war the method was developed further leading to these 'hypar' roof designs which could have quite large spans, required only limited materials and are low cost. The building has been recently had work done on it and looks like something could move in soon, just needs fitting out #markhammoor #concreteroof #littlechef #a1road #saddleroof #samscorer #hyperbolicparaboloid #hypar
A post shared by John | Exploration and history (@merrytrek) on Sep 9, 2019 at 11:25am PDT
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