The Dafaqu Bridge, the Highest and Most Spectacular Span Connecting Renhuai With Zunyi in Northern China - Yeah it's a marvellous bridge alright, however any structure is only as strong as its weakest link .. if you erected a scaffold like this on any Australian site you would be sacked on the spot - Upgoat

The Dafaqu Bridge, the Highest and Most Spectacular Span Connecting Renhuai With Zunyi in Northern China - Yeah it's a marvellous bridge alright, however any structure is only as strong as its weakest link .. if you erected a scaffold like this on any Australian site you would be sacked on the spot
submitted by TankTinker to China 1 weekApr 18, 2025 17:40:26 ago (+5/-0) (files.catbox.moe)
https://files.catbox.moe/8c7dt2.jpg

The scaffold is not any good .. if someone fell or was injured when it collapsed whoever built it would be culpable. Video Link.

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[ - ] BoozyB 0 points 1 weekApr 18, 2025 20:56:48 ago (+0/-0)

I'm going to rename it.
It is now the Wat Da Fuaq Bridge

[ - ] Spaceman84 0 points 1 weekApr 18, 2025 22:44:11 ago (+0/-0)

The Chink government doesn’t let projects like this get fucked up by typical Chink corner cutting. Everyone has been waiting for the Three Gorges Dam to bust but it won’t without sabotage. You can get high quality steel from China if you deal with the right people. You can have products manufactured correctly if you deal with the right people. Chinks aren’t incompetent, they’re just naturally dishonest.

[ + ] Zyklonbeekeeper

[ - ] Zyklonbeekeeper 0 points 1 weekApr 18, 2025 23:47:48 ago (+0/-0)

@Spaceman ...in theory the curing time of concrete is 150years, as it progressively cures it also expands...in simple terms, the standard concrete dam that holds back a resevoir of water for a hydro plant will expand an inch or so every year until the curing process is complete, the dam literally expands into the earthen embankment at both ends which requires a shaving procedure that trims the expansion so that the dam doesn't crush itself under the dead force of the embankment that it's pushing into. There's a small number of companies throughout North America that contract their shaving system (also supply service to South American hydro companies) and they make good money but the work is not for the fag hearted whimp as much of it is performed off swing stage, botswain(bosun) chair or crane suspended work platform, the odd time a personal elevating work platform ie manlift...after 10years or so the bugs will appear and the integrity of the structure will be proven ay or nay...out of curiosity, I'd like to see a data analysis from core samples of the 7 Gorge dam.

[ - ] WanderingToast 0 points 1 weekApr 19, 2025 06:07:53 ago (+0/-0)

They use bamboo not steel scaffolding.

[ - ] Zyklonbeekeeper 3 points 1 weekApr 18, 2025 19:44:45 ago (+3/-0)*

The height-width ratio is a concerning factor and without proper allowances this structure is not going to last. I'd like to see the geo-tech analysis of the ground where the anchor abutments are situated along with the length of the anchorage, the length of abutment must correspond to the maximum load and deflection dynamics of the structural length with an increasing safety factor of "moment" in the center, which is where the most wind current and updraft will occur. Eg, if the spanning structure is 1 mile then anchor abutments, given the geo-composition of the land, will have to be a percentage of that 1 mile length ie 1000ft 2000ft etc. If the geo-composition is sedimentary then it would be a 1:1 ratio at a given height, after factoring in dynamic load moments that ratio WILL be increased to meet requirements....also, the pier and pilings require foundational stability, ideally the piling would be hammered into the ground at a given depth, if concrete piers are required for the foundation then they have to be a certain depth along with excessive rebar and chemically enhanced concrete...a structure is only as good as the foundation it sits on...also, there's a required length of road top that must allow passage for air flow, created by updrafting, ie road grating, an updraft WILL lift and cause sway in the road top which WILL lead to collapse. Without going beyond the intellectual levels here, in simple terms, the bridge appears to be a weak structure of poor design. I've done plenty of these, not this long but comparative in principle....and that's the truth.

[ + ] TankTinker

[ - ] TankTinker [op] 2 points 1 weekApr 18, 2025 21:22:17 ago (+2/-0)

Yeah well if the rest of the construction is as slipshod as that scaffold the entire region serviced by the freeway is in serious trouble ..

[ + ] Zyklonbeekeeper

[ - ] Zyklonbeekeeper 0 points 1 weekApr 18, 2025 21:40:52 ago (+0/-0)

Guaranteed

[ - ] HelenHighwater 5 points 1 weekApr 18, 2025 18:04:08 ago (+5/-0)

After the worker falls to their death, another insectoid runs up and hops onto the scaffold. Repeat as often as needed.

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