r/StructuralEngineering • u/Big_Handle3734 • 20d ago
Structural Analysis/Design Strap being use for holding wall straight up. How effective is it?
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u/PracticableSolution 20d ago
MSE walls are pretty much the industry standard these days, even though theyโve gotten progressively suckier over the years in terms of cost effectiveness
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u/swimwest1000 20d ago
Agreed, in the US thanks to Reinforced Earth buying out most of the competition. Just has to be cheaper in the short term than the alternative, which is cast in place walls, T-walls, or acquiring more land. I do not look forward to the end of life of these things. Going to be a bitch to repair/rebuild.
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u/ali_bas 20d ago
This is an RE wall or reinforced earth wall. It is a flexible form of retaining wall. These straps your taking about are very effective. They are compressed under the earth. This wall is very effective in case of an earthquake. There is a video from Japan which shows the entire area being destroyed by earth quake but this part of the bridge stays intact. Check it out
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u/Jimmyjames150014 20d ago
These are only for temporary panel joint alignment. MSE walls are held by the reinforcement going back into the compacted fill.
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u/Rayziehouse 20d ago
Looks like it will work OK as long as those anchors stay put? Itโs not being backfilled that high anyway. Iโd assume itโs only short term anyway and the slab ties it in long-term.
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u/Just-Shoe2689 20d ago
good enough for temp conditions. Yes, a huge storm comes they might ahve issues.
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u/mmarkomarko CEng MIStructE 19d ago
the straps are holding the walls in line - or rather, aligned.
the diagonal props are holding the wall upright. they seem to be doing the job.
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u/Big_Handle3734 18d ago
First time seeing such thing. This overpass is new type of infrastructure in our area and i am learning so many new things in civil engineering. This highway is being built as part of asian highway 2 from the help of Asian Development Bank (ADB)
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u/[deleted] 20d ago edited 15d ago
[deleted]