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Question:

What should be paid attention to in the construction of cast in place box girder of long span bridge hanging basket

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Answer:

Preventive measures: with good insulation performance wood template (preferably professional manufacturers), have a certain thickness and stiffness of the template surface to be coated with special treatment, release agent, to ensure the quality of cast-in-place concrete.The contents of the above are based on the actual work of the students to meet the problem of finishing, for reference, if there is a problem, please timely communication.
Attention should be paid to the construction of cast in place box girder of long span bridge hanging basket:1, pay attention to the pouring quality of concrete under anchor.2, the implementation of the whole process of construction survey and monitoring, should be entrusted with a professional qualification of the monitoring team for dynamic monitoring to ensure that the cast-in-place box girder elevation, axis and closure of the error to meet the requirements of the specification.3, beam bottom and Liang Ceyi temperature shrinkage cracks.
Main cause:1) no sprinkler health;2) the thermal insulation performance of the template is not good, the temperature difference between inside and outside is too large.

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