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Development of rubber water dam

author: Jianfeng Engineering from: ԭ date: 2017/11/26 18:00:00 hit: 5995
Tips: Development of rubber damThe rubber dam has developed rapidly since 1990s in China. From 1966 to 199...

Development of rubber dam

The rubber dam has developed rapidly since 1990s in China. From 1966 to 1993 in the past thirty years the country only built rubber dam block 366, according to incomplete statistics, as of October 2006, China's rubber dam has been built about 2000 seats, especially in recent years the new 300 rate of about per year. The domestic rubber dam the highest 6m, the longest single span and multi span 176m, the longest 1135m, founded in 1980, Tibet Yangbajing rubber dam more than 4300 meters above sea level, is the highest elevation of the rubber dam. The rubber dam is widely distributed in China, West to Xinjiang Uygur Autonomous RegionDistrict of Shihezi city (44 degrees 86 degrees 17 'N, 02' E), east to the Jixi city of Heilongjiang province Lishu district (45 degrees 130 degrees 05 'N, 41' E), north to the Jiagedaqi Greater Khingan Range region of Heilongjiang province (50 degrees 124 degrees 24 'N, 07' E), South to the city of Five Fingers Group Hainan province (18 degrees 109 degrees 46 'N, 30' E) throughout mainland China, all provinces, autonomous regions and municipalities directly under the central government. In addition, the Hongkong Special Administrative Region by the end of 1999 has built the rubber dam block 20, Taiwan province has built a rubber dam steel gate.

Characteristics of rubber dam

The rubber dam is divided into water filling and two inflatable. Filling dam filling and discharging time longer than the inflatable dam. In the cost, two types of dams are almost the same. The using condition of rubber dam and sluice are similar, compared with the conventional dam and has the following characteristics:

First, low cost, can reduce investment 30% ~ 70%, can save steel 30% ~ 50%, cement 50% or so, more than 60% wood.

Two is short construction period, the dam bag only 3 days to 15 days can be installed, the majority of rubber dam project in the year to benefit.

Three is the dam is a flexible soft shell structure, can resist earthquake, wave impact, and good sealing effect, long span, water resistance during the flood season, can be used in urban landscaping.

Four is less maintenance, management is convenient. The life of rubber dam bag is generally 25 to 15 years.

arc rubber dam

  

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