| 摘要 |
FIELD: hydraulic structures, particularly dams, dykes, sluice ways or other structures for dykes, dams, or the like. ^ SUBSTANCE: dam made of bags filled with sand is secured by ropes laid on ground, extending particular to dam and spaced a distance one from another. Dam is enclosed by net laid on dam. Rope ends are tied together and tightly enclose dam. Bags, nets and ropes may be formed of material resistant to rust and decay. In particular cases dam comprises solid concrete walls built at dam sides and ends. ^ EFFECT: increased speed of dam building, improved reliability and decreased material consumption. ^ 3 cl, 2 dwg |
