|Military constructions or buildings designed for the defence of territories in warfare|
|Used on these elements|
|Documented values: 2|
|Tools for this tag|
This key is used to tag individual defensive structures mainly at historic/pre-modern fortifications. It is intended for all structures that were built for the defence of territories in warfare. This includes fortified settlements as well as forts that are/were uninhabited during peacetime.
Values for defensive_works=* contain terms used in fortification engineering.
How to map
Individual defensive works should be mapped as Nodes at their centre, as Ways along a centre line or as Areas along the outlines. The best fitting method depends on the size and shape of the structure. They should be tagged with defensive_works=* and may receive additional tags.
Mappers are encouraged to combine this tag with other tags where they are relevant. If a structure is actively used by the military, it is recommended to add a military=* tag to it.
Tags to use in combination
- name=* - if a defensive structure is named. Do not use the name of the fortification to tag individual structures.
- heritage=* - if the structure has a heritage status. If only the entire fortification has a heritage status, do not use heritage tags for individual structures.
- building=bunker - if the structure is a bunker
- start_date=* - year of completion
- abandoned=yes - if the structure has been abandoned and shows signs of decay
- ruins=yes - if the structure is in ruins
Redan and flèche
- ↑ https://www.angelfire.com/wy/svenskildbiter/madict.html
- ↑ https://books.google.nl/books?id=6gc0AQAAMAAJ&pg=PR41-IA1#v=onepage&q&f=false
- ↑ https://books.google.nl/books?id=AUFYAAAAcAAJ&pg=PP3#v=onepage&q&f=false
- ↑ https://en.wikipedia.org/wiki/List_of_established_military_terms#Engineering
- ↑ https://en.wikipedia.org/wiki/Category:Fortification_(architectural_elements)
- ↑ https://books.google.nl/books?id=6gc0AQAAMAAJ&pg=PA122