High-pier pouring forming method applied to bridge construction
A molding method and bridge construction technology, applied in the direction of bridges, bridge parts, bridge construction, etc., can solve problems such as difficulty in ensuring quality, and achieve the effects of high practical and popularization value, reliable environmental protection, and convenient implementation.
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[0025] The following is an example of the construction of a high pier body of a railway bridge in a cold area. Assuming that the height of the high pier to be poured is 106m, in order to ensure that the segmental assembled beams are assembled according to the planned construction period, the 25-28# pier needs to be operated in parallel and meet the progress of 1.6m~1.9m / day to meet the planned construction period. In order to speed up the construction progress, reduce the number of formwork turnover and increase the time for pier heat preservation, it is necessary to configure 14m / pier formwork and pour 12m each time.
[0026] The general principle of construction: the construction of high piers adopts the scheme of construction in the insulation shed, that is, the construction personnel operate and the formwork is lifted in the insulation shed. In order to ensure construction efficiency and concrete heat preservation time, a 24m high heat preservation shed is first built outs...
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