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buy post tensioning hydraulic jack_Sell-worldbuy.cc
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Nota Bhg 4 - Supervision of Bridge Construction
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US3176961A - Hydraulic jack apparatus - Google Patents
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22 Prestressing tendon systems | PRESTRESSED CONCRETE
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Jack for prestressed concrete structure. - CCL SYSTEMS LTD
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CN102493664A - Non-bracket cable truss construction method
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Tie Rod Tensioner Patents and Patent Applications (Class
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US3022713A - Prestressed concrete structures - Google Patents
The end blocks or joint slabs provide rrn working platforms for the prestressing operations, workers, tools ... STATES PATENTS Peirce May 6, 1913 ... Prestressing and ...
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Device for prestressing an assembly of screwed connecting
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Post-Tensioning Technology TENSA M - PDF
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WO2004109018A1 - Gantry with auto-adjusting prestressing
The present invention refers to a gantry for use in the construction process of bridges, viaducts and other structures, said gantry being equipped with a system that automatically adjusts the prestressing of the said gantry's structure in accordance to the external actions being applied on it when loadings occure.
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