Piled up pipes
Introduction
The photograph on this page of Piled up pipes by Bill Nicholls as part of the Geograph project.
The Geograph project started in 2005 with the aim of publishing, organising and preserving representative images for every square kilometre of Great Britain, Ireland and the Isle of Man.
There are currently over 7.5m images from over 14,400 individuals and you can help contribute to the project by visiting https://www.geograph.org.uk

Image: © Bill Nicholls Taken: 22 Jun 2013
I think these may well be the gantry supports, where they are sunk in the ground and filled with concrete.