Moldtech has installed and commissioned a self-reacting system with hydraulic mould sides for the manufacture of prestressed bridge girders in Bucharest, Romania.
The self-reacting hydraulic system includes:
- Universal casting bed, 90 meters long, 1 meter wide with self-reacting prestressing system with a capacity of 1400 tons. Includes active and passive stressing heads with relaxation cylinders on the active stressing head. The opening/closing movement of the mould sides is hydraulic.
- Side moulds for the bridge girders casting of 90 meter long. Maximum length of one bridge girder – 40 meters. Height adjustment from 1.4 m to 2 m. Pneumatic vibration system. Heating system with a boiler with a thermal power of 800 KW, service pressure 4 Bar.
- Tensioning and detensioning equipment features tensioning jack units, jack support, tensioning and detensioning hydraulic power units.
- “Giraffe” concrete transport and distribution equipment with a 3 m3 capacity.
The self-reacting prestressing system gives the client the possibility to assemble and disassemble the factory and relocate it in any remote area, drastically reducing the transportation costs of precast products.