Underground dam

Details Underground dam Underground dam

1996-08-09

1998-06-02

Taylor, Dennis L.

Hydraulic and earth engineering

Earth treatment or control

Chemical

13762531, 405 50, 405 87, 405107, E02D 520, E02D 2900

Patent

active

057589917

ABSTRACT:
An underground dam is formed of a water flow preventing wall for blocking a water permeable layer of soil to form a storing portion for storing underground water on an upper stream side relative to the water flow preventing wall. The water flow preventing wall has an opening, and an opening-closing device for opening and closing the opening is provided. Thus, the underground water on the upper stream side can be supplied to a down stream side through the opening.

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patent: 5022786 (1991-06-01), Philo
patent: 5077945 (1992-01-01), Koeniger
patent: 5388931 (1995-02-01), Carlson
patent: 5570974 (1996-11-01), Jax et al.

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