Line of thrust
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The line of thrust is the locus of the points, through which forces pass in a retaining wall or an arch. It is the line, along which internal forces flow.[1][2]
In a stone structure, the line of thrust is a theoretical line that through the structure represents the path of the resultants of the compressive forces.[3] For a structure to be stable, the line of thrust must lie entirely inside the structure.[3][1]
Where important
[edit]The line of thrust is important in almost any architecture bearing weight. This includes aircraft, bridges, plus arches; see catenary arch.
An arch won't collapse, when the line of thrust is entirely internal to the arch, .
See also
[edit]References
[edit]- 1 2 "Ring 150 Theory" (PDF). University of Sheffield.
- ↑ "How to Read a Bridge: Arches". University of Bristol.
- 1 2 Block, P.; De Jong, M.; Ochs, M. (2006). "As-Built to Limit State: A Geometric Analysis of Masonry Arches and Vaults" (PDF). Nexus Network Journal.
External links
[edit]- One largish article, talks about line of thrust
- A definition
- Another definition
- A second reference
- A third reference
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