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Bedrock is not needed to build a sky scraper. It was just natural trends, not enforced with zoning laws.
by rhino369 11y ago
Bedrock is not needed to build a sky scraper. It was just natural trends, not enforced with zoning laws.
- avn2109 11y ago>> "Bedrock is not needed to build a sky scraper..." True, but that's because of comparatively recent developments in geotechnical engineering. They needed it during the first wave of skyscraper development.
- rhino369 11y agoThe first NYC ones certainly used bedrock. But floating raft system was invented in Chicago in 1882. So I wouldn't say recent.