Jacking force-adjustable prestressed resilient support structure and construction method thereof
A technology of elastic support and construction method, which is used in the erection/assembly of bridges, bridge maintenance, bridge reinforcement, etc. It can solve the problems of original bridge diseases, difficult control of support reaction force, and troublesome construction, so as to achieve simple construction and optimal structural internal force. , structurally reliable effect
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[0028] See attached image 3 , taking the flat arch bridge as an example to illustrate the construction method of the prestressed elastic support structure that is convenient for adjusting the prejacking force of the present invention.
[0029] 1) Pouring of stiffening zone 1 and supporting pier column 3: First, at the support point of the reinforced bridge, the stiffening zone 1 is poured with expansive concrete, so as to strengthen the bonding of new and old materials and structures, and ensure the coordinated stress between structures ; When pouring the stiffening belt 1, pre-embed the π-shaped steel bar 6 and the first pre-embedded steel plate 4, and weld the π-shaped steel bar 6 and the first pre-embedded steel plate 4 together to form a force transmission layer and a fixed position end; at the same time Start pouring the foundation and pier column of the supporting pier column 3, pre-embed the inverted π-shaped steel bar 6 and the second pre-embedded steel plate 4 at the...
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