Advice
Advice
(OP)
I live on a small mountainous island in the Caribbean. Presently, for earth retention canter-lever walls are usually constructed. However, these can become very expensive as the height increases. I recently did some training in the design of alternate retention systems which are generally less less expensive. However, most require equipment which is not available and can be very costly for the turnover on island. Additionally, the terrain make it difficult if not impossible in transporting some of the equipment that may be required. My solution is to design a hybrid and here is my question. Would it be possible to design wall as a tied back structure with wales at a pre-calculated interval to be constructed from the ground up? For instance, a 30' wall is required ad the wales are spaced 3' from the bottom and centered at 6'. The first 6' would be designed with the inclusion of a footing to account for temporary back-fill loads. This sectioned would be constructed back-filled and then tied in and then the next 6' section constructed back-filled and tied and so on until the top. Is the methodology structurally sound? Your responses will be greatly appreciated.





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Also, please do not post your question in more than one forum. This is the correct forum for your question.
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EIT
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The biggest problem I see is installation of the tiebacks. The soil/rock profile you discus will be very difficult to drill and for tall walls, large equipment will be necessary just to reach the tie-back locations.
Mike Lambert
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