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Gabion wall design and construction

Gabion wall design and construction

Gabion wall design and construction

(OP)
I've been approached by a builder to fix a house which the house compound has caved due to movement of the gabion wall.
The house floor level is about 8 feet higher than the adjacent house seperated by a course of gabion(3 feet thick, 8 feet height) and followed by a 750mm common drain adjacent to the gabion. The house nearest column is about 15 feet away from the gabion, which is the kitchen portion (single storey) from previous extension 2 years ago. Based on the site inspection, my guess is the movement of the gabion is caused by the extra surcharge by the extension.
It's extremely difficult to take down the gabion and replace with a RC retaining wall  due to site constraints; the space between the gabion abd the adjacent fencing is only 5 feet. We might risk causing a collapse to the kitchen if the gabion is to be taken down and also getting a potential law suit by the neighbour if any damage is caused to his property. On top of that, there is no space to build the toe for the retaining wall.
I'm thinking of leaving the gabion as it is and add another course of gabion ajacent to the existing one on the near side of the house.
The other option is to install sheetpile but it is out of question due to site and budget constraints. We ha only 50 grand of budget to work on.  
The extent of the repair is roughly about 50 feet. The house is on a cut ground of hard clay by visual inspection.  

Suggestions & input are welcome.  

RE: Gabion wall design and construction

Yes, I think adding another wall in your side by whatever the means should be the solution. Union between both would be very desirable. And care during execution.

RE: Gabion wall design and construction

My idea is to excavate the retaining soil, in order to install some layers of metalic -or plastic- grids tied to the gabion's grid and then to fill again with excavated soil or with imported material.

I tryed to put a figure in this message for your ilustration, but it was impossible to do. My e-mail is ingeosin@latino.net.co, if you want send me your e-mail.

   

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