Bottom plate jacking system for jacking closure section of continuous rigid frame bridge and construction method of bottom plate jacking system
A technology for rigid frame bridges and closing sections, applied in bridges, bridge construction, erection/assembly of bridges, etc., can solve the problems of lower overall rigidity of the outer rigid support structure, low reuse rate, troublesome construction, etc., to achieve processing and installation The effect of simple layout, low construction cost and flexible use
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Embodiment 2
[0178] Such as Image 6 As shown, in this embodiment, the difference from embodiment 1 is that the rigid support is a second support, and the second support is composed of two symmetrically arranged support angles 5-2-2, two The supporting angle steel 5-2-2 is welded and fixed to the lower supporting steel plate 5-1.
[0179] In this embodiment, the structure and connection relationship of the remaining parts of the bottom plate pushing system used are the same as those in the first embodiment.
[0180] In this embodiment, the construction method of the bottom plate pushing system adopted is the same as that of the first embodiment.
Embodiment 3
[0182] Such as Figure 7 As shown, in this embodiment, the difference from embodiment 1 is that the rigid support is a third support, and the third support is supported by two symmetrically arranged vertical steel plates 5-2-3 and It is composed of upper supporting steel plates 5-2-4 on the two vertical steel plates 5-2-3. In addition, the two vertical steel plates 5-2-3 are both welded and fixed on the lower support steel plate 5-1. The upper support steel plate 5-2-4 is a rectangular steel plate and its size is the same as the size of the lower support steel plate 5-1. The upper support steel plate 5-2-4 and the two vertical steel plates 5-2-3 They are all fixedly connected by welding.
[0183] In this embodiment, the structure and connection relationship of the remaining parts of the bottom plate pushing system used are the same as those in the first embodiment.
[0184] In this embodiment, the construction method of the bottom plate pushing system adopted is the same as that ...
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