Air-inflatable rubber dam and steel gate is also called pneumatic spillway gate. It is a complete dam system comprising steel gate panels, rubber(air bladders/air-inflatable rubber dams), clamping system with anchor bolts, fittings, air pipe connections, air supply and exhaust pipe, pressure sensing pipe, upstream water level sensing system, inflation and deflation system with compressor, valves, control panel, other control equipment, back up mechanical deflation system, air tank or equivalent to protect the rubber body or air bladder against pressure.
Main characteristics of air-inflatable rubber dam and steel gates:
1.The support airbag and foundation are articulated as flexible material and modular structure, which has better seismic performance and stronger ability to resist uneven settlement of foundation.
2.Short filling and drainage time (generally 15-40 minutes), strong in flood control and ice flood;
3.The dam body has high self-protection performance; it can not only automatically control water level, but also manually control water level. It can operate safely and remotely by computer, so as to achieve unmanned management and a higher degree of controllability.
4. Air is used as filling medium, no hydraulic oil or lubricating oil is used, and no pollution is caused to the environment.
5. Simple management, little maintenance in operation, and nearly zero maintenance cost for many years;
6. When overflowing, it has better diversion effect and can form magnificent waterfalls. Night landscape lights can add more beautiful scenery to cities and scenic spots.
7. Simple structure, shorter construction and installation period;
8. Wider scope of application: It is especially suitable for mountain and stream rivers where floods rise and fall sharply, floating matter and rolling stones, sediment are mixed, and power supply and transportation are inconvenient.
In short: air-inflatable rubber dam and steel gate is a new type of hydraulic structure, which combines rubber dam and steel gate. It has both the full advantages of steel gate and rubber dam, and overcomes the shortcomings of both. It can be said that it is a combination of rigidity and flexibility, and complements each other.
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