Lesson plan
Gravity dam
in Oregon, a roller-compacted concrete gravity dam A gravity dam is a dam constructed from concrete or stone masonry and designed to hold back water by using only the weight of the material and its resistance against the foundation. Gravity dams are designed so that each section of the dam is stable and independent of any other dam section. (In contrast, sections of an arch dam are not independently stable, and instead rely on transmitting force through neighboring sections to the abutments, often anchored into canyon walls.)
Article summary
in Oregon, a roller-compacted concrete gravity dam A gravity dam is a dam constructed from concrete or stone masonry and designed to hold back water by using only the weight of the material and its resistance against the foundation. Gravity dams are designed so that each section of the dam is stable and independent of any other dam section. (In contrast, sections of an arch dam are not independently stable, and instead rely on transmitting force through neighboring sections to the abutments, often anchored into canyon walls.)
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Discussion questions
- Summarise the article in your own words. Which single claim would you verify first, and why?
- Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
- If two sources disagreed about one of these facts, what would you need in order to trust one over the other?
Bibliography
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Key claims and bibliography are generated from the same tracked claims and sources as the article page.