Prestressed Bellows
Key words:
Prestressed metal bellows are mainly used in highway Bridges, railway Bridges, construction water conservancy, electric power and other national key projects. The prestressed hole forming system composed of bellows and accessories should meet the needs of post-tensioned prestressed grouting. The connection between the pipe and the pipe, in addition to the thermal welding connection, should also be provided with a special sealed connection device, the device should be equipped with a hole grouting process of exhaust, drainage, drainage and observation effect of the slurry discharge pipe, in order to achieve the needs of pressure grouting or vacuum auxiliary grouting.
Key words:
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