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The inflatable rubber dams appeared in the late 1950s. It is composed of high-strength fabric synthetic fibers bearing bone and synthetic rubber. The inflatable rubber dams are anchored on the base plate to form a sealed bag and filled with water or gas to form a dam. Compared with the traditional way that soil, stone, steel and wood, the inflatable rubber dams have the following characteristics:

A. low cost. Compared with conventional sluices of the same scale, the construction cost of rubber dams can generally reduce investment by 30-70%, which is a prominent advantage of rubber dams

B. Save materials. The inflatable rubber dams' body are thin flexible structures made of synthetic fibre fabrics and rubber instead of steel-wood and reinforced brick structures. Because there is no need to build steel and reinforced brick aquatic structures such as intermediate piers, working bridges and installation of hoisting and closing machines, and to simplify underwater structures, the consumption of three materials is significantly reduced. Generally, steel can be saved by 30-50% and cement can be saved by 5%. About 0% and more than 60% of wood.

C. The construction period is short. The inflatable rubber dam bags are produced first in the factory and then installed on site. The construction speed is fast. Generally, they can be installed in 3-15 days. The whole project has simple structure, less consumption of three materials, and the construction period is generally 3-6 months. Most of the rubber dam projects benefited from the construction in the current year.

D. The inflatable rubber dams' body is a flexible thin shell structured with elastic impact resilience of about 35% and elongation of 600%. It has the performance of flexibility and rigidity, so it can resist strong seismic wave and wave impact of extreme flood.

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