Nord Stream 2 is possibly the world's most controversial infrastructure project, and it was thrust further into the spotlight when Russia invaded Ukraine earlier in 2022. The future of this monumental... continue reading
posted by eric3579 2 years 1 month ago • 64 views • 12:17search results matching tag: concrete
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China used more concrete in 2 years than US used in last 20th century
posted by bobknight33 4 years 5 months 3 weeks ago • 164 views • 2:41YouTube description: A quick overview of how we build underwater structures.
posted by Aard Vark (oritteropo) 5 years 4 weeks ago • 427 views • 8:18YouTube description: Comparing modern concrete to that of the western Roman empire. In this video, I discuss a few modern techniques that help improve design life of concrete, including roller compacted... continue reading
posted by Aard Vark (oritteropo) 5 years 6 months 3 weeks ago • 495 views • 9:34YouTube description: While steel reinforcement solves one of concrete’s greatest limitations, it creates an entirely new problem: Corrosion of embedded steel rebar is the most common form of concrete... continue reading
posted by Aard Vark (oritteropo) 5 years 8 months ago • 251 views • 7:49Concrete's greatest weakness is its tensile strength, which can be less than 10% of its compressive strength. So, we often reinforce it to create a composite material strong against all types of stress.... continue reading
posted by Mordhaus 6 years 3 weeks ago • 362 views • 8:11YouTube description: Many structures built by ancient Romans around 2,000 years ago are still standing, and some are still in excellent condition. Over the last decade, researchers have come discover... continue reading
posted by Aard Vark (oritteropo) 6 years 10 months 2 weeks ago • 688 views • 1:58From NYT: "...a really big drain called a spillway. And once you see it full of spiraling water, it is hard to take your eyes off it. For the first time in a decade, January and February have brought... continue reading
posted by chicchorea 7 years 2 months 4 weeks ago • 1,883 views • 1:31Procedure is very similar for concrete patios, sidewalks, stairs, steps or pool deck. This demonstration shows the steps involved in pouring a concrete driveway
posted by Mordhaus 7 years 4 months ago • 891 views • 7:59A fellow who doesn't know how to skateboard teaches himself to land a kickflip as an experiment in how long things take to learn. (Don't worry, the video isn't actually 5 hours and 47 minutes long...)
posted by iaui 8 years 6 months 2 weeks ago • 772 views • 6:16"Our concrete jungles can be hard on wildlife."
posted by PlayhousePals 9 years 1 month 3 weeks ago • 99 views • 3:21112213
posted by chicchorea 1 decade 6 months ago • 578 views • 2:29- 1