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I’ve seen a section of GGB cable at the Smithsonian in DC. They were not made like a wire rope. They were simply stretched between anchor supports up and over the towers, bound together and wrapped. Completely different method.
The Golden Gate bridge was constructed by weaving the cables in place by spinning wire ropes. The cables were not woven in a factory as indicated in the video. If I am wrong then will someone correct me.
No you're wrong. The Golden Gate bridge supported cables We're all laid parallel to each other. Only the final rap was woven, get your facts straight clown.
During WW11 a veteran ironworker I worked with in the 1970s stated in the shipyards building ships smaller diameter steel cables were present, and available but no huge diameter cables were available as needed. My ironworker veteran buddy stated a master shipbuilder used big steel spikes driven into a huge hardwood stump anchored in concrete , the steel spikes at angles, then threaded the big steel strands over the steel spikes to weave the 2 smaller steel cables into 1 huge steel cable . A big truck was attached to the end and drove off, pulling the 2 cables through the splicing block and splicing 1 huge steel cable out of 2 smaller ones.. Its amazing what massive, heavy duty accomplishments were cleverly performed during the war effort.. This story sounds very unusual, but quite true.
The wire ropes of the Golden Gate Bridge were woven in place on the bridge itself. It was not woven in a factory, get your sheet straight. This is total BS
Most of the early illustrations are of reinforcing-bar lengths for reinforcing concrete. Tiny wires are a small fraction of one millimetre. The wires for ropes for this application are NOT tiny, they are several millimetres in diameter and often shaped into half-lock and full-lock shapes, which when stranded with round wires exclude the gaps that would result from stranding only round wires. Basically, as pointed out elsewhere, more wrong than right.
Want to see a catastrophic failure and HEAR what it sounds like when the internal cables (inside the outer cable) start snapping? You cant see whats happening until the collapse but you can sure hear it and its terrifying. Look up "Milwaukee stadium crane collapse. Crane operator went to jail, i think it was 4 people that died. Its the operators judgment call to fly the crane in winds too high for the lift that caused it. You can see 2 people in a bucket from another crane that were going to rivet the large section in place, get launched from the bucket when the falling crane hit the cable that was holding their bucket.
Similar cables were used in Edinburgh's Forth Road Bridge and it lasted only 50 years. Its now closed with another one built beside it. Yet Forth Railway Bridge is over 120 years old and is doing just fine😂😂
Absolutely pathetic, loaded with errors. Obviously a wire rope engineer was not employed to fact check. Definition of a wire rope, a group of wires helically laid ( a strand ) around a core, usually a smaller wire rope. 40 years in industry, started with Roebling.
@@Paul-dx6bjBasically everything about the heat treatment and material science just ignore. It is poorly explained. Pearlite is used to make material really soft so it is easy to machine. Martensite and the others all pretty much have to do with the TTT chart, and microstructure.
The only part of this that is remotely accurate is the length of the span on that bridge and the fact that they might have drawn wire in that fashion back then
Wouldn't it be cool if .... today's mfg'ers of consumer goods would put this much effort into making quality products that last instead of this throwaway mentality? I'd love to buy a washing machine, refrigerator, or dishwasher that would reliably last 30 years rather than having a dozen service calls in 5 years or replacement in 10. I wish software makers were this thorough as well.
