Construction method for erecting prefabricated box girders through walking type bridge girder erection machine
A technology of box girder construction and bridge erecting machine, which is applied in the direction of erecting/assembling bridges, bridges, bridge construction, etc., can solve the problems of complex construction conditions, low construction efficiency, high risk factor, etc., achieve good social and economic benefits, reduce The effect of construction costs
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[0022] Before using this kind of walking bridge erection frame to set up the prefabricated box girder construction method, make the construction preparation: all the beam pieces can be transported and installed after passing the inspection by the supervision engineer and the project quality inspection engineer, and the beam body is required to be checked before installation. The overall dimensions, concrete strength, pre-embedded steel bars (pieces) dimensions and positions, hoisting hole positions, scupper hole positions, tension and grouting quality, concrete appearance quality, end sealing quality, etc., can be installed only after meeting the requirements. Strictly check the size, appearance quality, concrete strength, tension and grouting quality of each part of the beam body, check the position and quantity of pre-embedded steel bars (pieces), and strictly check the construction joint treatment of the connection parts that require post-cast concrete. All granules and lait...
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