 ... TO add to the stability of the repair, a strong and welldrained earthen berm should be placed just beyond the original toe of the dam, and its own toe should be secured by a second drystone wall. All these drains and walls should, if possible, be...  Waterways and irrigation - Page 7401916Full view - About this book
 | Institution of Civil Engineers (Great Britain) - Civil engineering - 1898 - 542 pages
...All these drains and walls should, if possible, be founded on rock, but where this is not to be found at a reasonable depth, they should be carried well...natural subsoil and beyond the limit of disturbance. Earthwork usually fails at one point, and, as soon as it commences to move, drags the adjacent parts... | |
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