Complete the account of structure.
Stone is strong in compression and weak in ______, which is why a stone lintel spans only a short distance. An arch converts the load into compression along a curve at the cost of outward ______. The curved triangles that set a round dome on a square plan are ______. Once a ______ carries the load, the wall becomes a screen.
Word bank: tension · thrust · pendentives · frame · compression · buttresses
Hints
- The first blank names the force stone resists badly.
- The last blank is the system that made the curtain wall possible.
Show the answer
Stone is strong in compression and weak in tension, which is why a stone lintel spans only a short distance. An arch converts the load into compression along a curve at the cost of outward thrust. The curved triangles that set a round dome on a square plan are pendentives. Once a frame carries the load, the wall becomes a screen.
The four blanks are the whole causal chain of the lesson: a property of the material, a device that works around it, a device that works around that device's cost, and finally a material combination that dissolves the original constraint.
Practise Architecture I: Structure and What It Permits
The app has 5 more questions on this lesson, and keeps your place in the course. Art History I is free to start.
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