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Infrastructure. You can truck in steel and there's no expiration time on it. Concrete plants would need to be built close to the job site, infrastructure built for the plants including power and water, also non stop trucks bringing in aggregate or even train track built to supply it. Massive logistic issue over prefabbed steel which is absolutely cheaper and the wall can go up 10x faster.
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[–] aria_taint 0 points 3 points 3 points (+3|-0) ago
Infrastructure. You can truck in steel and there's no expiration time on it. Concrete plants would need to be built close to the job site, infrastructure built for the plants including power and water, also non stop trucks bringing in aggregate or even train track built to supply it. Massive logistic issue over prefabbed steel which is absolutely cheaper and the wall can go up 10x faster.
[–] PsyOp 0 points 1 point 1 point (+1|-0) ago
Prefab concrete wall systems are far cheaper to produce than steel walls of the same height...and they can be shipped from preexisting factories.
[–] aria_taint 0 points 1 point 1 point (+1|-0) ago
The weight alone would be a challenge to get to remote sites. What I don't like is the height of the wall. It's way too low.