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Framing demounting supporting structure of spandrelless arch bridge of over crossing operation highway and construction method
The invention relates to a framing demounting supporting structure of a spandrelless arch bridge of an over crossing operation highway. The supporting structure is characterized by being mainly composed of an intermediate support, a bowl-button full support, a full support spiral steel pipe support and a frame support; the intermediate support comprises two spiral steel pipes, a transverse rod and a shearing force support are welded between the spiral steel pipes, the bottoms of the spiral steel pipes and a strip foundation are anchored, and the tops of the spiral steel pipes and a bridge body are anchored through a U-shaped screw; the bowl-button full support is provided with a shearing force support, a top support and a small wood wedge block, and the small wood wedge block is plugged between the top support and the bridge body; the spiral steel pipe support is additionally arranged at the bowl-button full support; and the frame support is formed by box iron in a welded manner, a shearing force support is arranged inside the frame support, an arc-shaped top support is arranged at the top of the frame support, and a shearing force key of the arc-shaped top support is inserted into an arch bridge arch ring. The supporting structure has the beneficial effects of being safe and reliable in construction and high in stability, having no influences on normal traffic, and having the good economic and technological benefits.
Framing demounting supporting structure of spandrelless arch bridge of over crossing operation highway and construction method
The invention relates to a framing demounting supporting structure of a spandrelless arch bridge of an over crossing operation highway. The supporting structure is characterized by being mainly composed of an intermediate support, a bowl-button full support, a full support spiral steel pipe support and a frame support; the intermediate support comprises two spiral steel pipes, a transverse rod and a shearing force support are welded between the spiral steel pipes, the bottoms of the spiral steel pipes and a strip foundation are anchored, and the tops of the spiral steel pipes and a bridge body are anchored through a U-shaped screw; the bowl-button full support is provided with a shearing force support, a top support and a small wood wedge block, and the small wood wedge block is plugged between the top support and the bridge body; the spiral steel pipe support is additionally arranged at the bowl-button full support; and the frame support is formed by box iron in a welded manner, a shearing force support is arranged inside the frame support, an arc-shaped top support is arranged at the top of the frame support, and a shearing force key of the arc-shaped top support is inserted into an arch bridge arch ring. The supporting structure has the beneficial effects of being safe and reliable in construction and high in stability, having no influences on normal traffic, and having the good economic and technological benefits.
Framing demounting supporting structure of spandrelless arch bridge of over crossing operation highway and construction method
WANG XINQUAN (author)
2015-12-02
Patent
Electronic Resource
English
IPC:
E01D
BRIDGES
,
Brücken
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