Reinforced concrete arch bridge with strong skeleton of steel tube concrete and construction method thereof

A technology of reinforced concrete and steel tube concrete, which is applied in the direction of arch bridges, erection/assembly bridges, bridges, etc. It can solve the problems of poor stability of web members, reduce steel consumption, dense construction joints, etc., and achieve good rigidity, increased strength, and stable web members Effect

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A technology of reinforced concrete and steel tube concrete, which is applied in the direction of arch bridges, erection/assembly bridges, bridges, etc. It can solve the problems of poor stability of web members, reduce steel consumption, dense construction joints, etc., and achieve good rigidity, increased strength, and stable web members Effect

CN103882798BActive Publication Date: 2016-09-07SICHUAN DEPT OF TRANSPORTATION HIGHWAY PLANNING PROSPECTING & DESIGN RES INST

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[0031] The present invention will be further described in detail below in conjunction with test examples and specific embodiments. However, it should not be understood that the scope of the above subject matter of the present invention is limited to the following embodiments, and all technologies realized based on the content of the present invention belong to the scope of the present invention.

[0032] Such as Figure 1 to Figure 7As shown, in this embodiment, a reinforced concrete arch bridge with a strong skeleton of steel tube concrete includes an abutment 1, and the abutment 1 is connected with a stiff skeleton 2, and the stiff skeleton 2 includes an upper string steel pipe 3 and a lower string steel pipe 4, and the upper string steel pipe 3 and the lower string steel pipe 4 are parallel to each other and extend in the same direction. Several webs 5 are connected between the upper chord steel pipe 3 and the lower chord steel pipe 4. The webs 5 include a transverse web 6 ...

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Abstract

The invention discloses a reinforced concrete arch bridge of a concrete filled steel tube stiff skeleton. The reinforced concrete arch bridge comprises a skewback. The skewback is connected to a stiff skeleton body which comprises an upper-chard steel tube and a lower-chard steel tube. The upper-chard steel tube and the lower-chard steel tube extend in the same direction and a plurality of web members are connected between the upper-chard steel tube and the lower-chard steel tube. The web members comprise the transverse web members parallel to the upper-chard steel tube. A *-shaped structure is formed by connecting the upper-chord steel tube and the web members of the lower-chord steel tube in a staggered mode. A segment of each web member is shortened, the rigidity and the strength are increased, and the reinforced concrete arch bridge has the advantages that the web members are more stable and the overall rigidity of the bridge is better.

Description

technical field [0001] The invention relates to a steel pipe concrete arch bridge and a construction method thereof, and is especially suitable for a steel pipe concrete arch bridge with a strong skeleton and a construction method thereof. Background technique [0002] The stiff skeleton construction method is mainly used in the construction of concrete arch bridges. During the construction process, reinforced concrete members (arch ribs) cannot bear their own weight and need to be borne by other members. The stiff skeleton is a method of adding steel pipes, I-beams or other steel materials to the reinforced concrete section to meet the construction conditions. [0003] In the existing reinforced concrete arch bridge, the structure of the stiff skeleton is as follows: figure 1 As shown, it includes upper chord steel pipes, lower chord steel pipes and several webs arranged in between. However, in the existing rigid frame, the webs are composed of several vertical or inclined...

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Application Information

Patent Timeline

07 Sep 2016

Publication

CN103882798B

IPC: E01D4/00; E01D21/00; C04B28/00; E01D101/26

Inventors: 牟廷敏; 梁健