On 25 February 2021, a construction site in Artvin Borçka had an incident concerning retaining walls. The excavator that was digging the site was under the wreckage, but the operator managed to get out of the machine unharmed. Fortunately, no other person was injured. The building which had its retaining walls collapsed was evacuated for security reasons. Rigid walls used for supporting soil laterally so that it can be retained at different levels on the two sides are called retaining walls.
The most common reasons for failure are,
- lack of proper reinforcement
- improper drainage behind the wall
- foundation footing problems
- settlement expansion of the soil
- overloading the wall
- construction errors or other design errors.
For this case, the problem was caused by the excavator because they should have calculated the foundation that the retaining wall was settled in. At this point, they should either demolish the building or they should reinforce the wall with a curtain of piles of curtain grouting.
https://www.trthaber.com/haber/turkiye/artvinde-istinat-duvari-coktu-14-katli-bina-bosaltildi-559646.html
https://sites.google.com/site/metroforensics3/causes-of-retaining-wall-failure-or-collapse
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