At Seaton Delaval there has been mining subsidence, which needed investigating. The location of embedded iron cramps in eighteenth and nineteenth century masonry can be a major problem as their corrosion causes expansion and structural movement, however they cannot easily be found and a degree of intuition is needed. Concealed timbers and past alterations are also relevant.

Organisation:	IStructE
Date:	05/11/19
Time:	5.45pm for 6.15pm start
Speaker:	Charles Blackett-Ord, Blackett-Ord Conservation Engineering
Venue:	Crowne Plaza Hotel, Stephenson Quarter, Forth Banks, Newcastle upon Tyne, NE1 3SA
Cost:	Free Event
Type:	Technical Presentation
Contact:	Chandra Vemury
Region:	Newcastle-Upon-Tyne
Time of Day:	Evening
Topic:	Design