This is taken with a very wide angle lens but it (the lens) doesn't bend straight lines. the sag in the ties is visible. There are very feint straight lines against which they can be compared.
Serious work
Photo Albums
May 2019
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Family and Friends
- Andy Narracott
A one time student grown friend. - Hamish Harvey aka David, my son
He is a Research Fellow at Bristol and co-ordinator of the Fllod Risk Net
Diversions
Books and other reading
- Frank Furedi: Where have all the intellectuals gone
Jacques Heyman: The Stone Skeleton : Structural Engineering of Masonry Architecture
Recent Posts
- The Role of Intuition in Engineering, or getting things wrong!
- The Role of Intuition in Engineering, or getting things wrong!
- So, I have been wondering
- Is it a fair test
- I was just listening to
- Stiffness and Force Flow
- A Cable stayed bridge that isn't
- A failed attempt at flattery
- Some career notes for my grandaughter and others
- A thought, well a string
Recent Comments
- Bill Harvey on So, I have been wondering
- Bill Harvey on Is it a fair test
- Building Material Suppliers on Book Arch
- David Meggitt on Sagging tie bars
- Column of Trajan on A little more on Trajan's Bridge Really- Appolodorus' Bridge
- Term Paper on Strengthening arches
- John Morley on Building a skew arch
- melissa on How to build an skeletal arch!
- Andy Pellet on Flat arches and corrosion
- Bill on A Workshop on Arch Bridge Assessment