Construction method and all-in-one machine for pedestrian bridges at urban intersections

Abstract

The invention provides a method for constructing an urban crossroad pedestrian overpass and transport and erection all-on-one machines. The method for constructing the urban crossroad pedestrian overpass comprises the following steps that S01 forming construction of one bridge section is completed on a splicing jig frame, then, the bridge section is hoisted to the two transport and erection all-in-one machines, and the two transport and erection all-in-one machines are made to provide even support for the bridge section; S02 the transport and erection all-in-one machines transport the bridge section to a mounting position and the position of the bridge section is adjusted; S03 the transport and erection all-in-one machines transfer the bridge section to two temporary supports, the two temporary supports are made to provide even support for the bridge section, and then the transport and erection all-in-one machines are withdrawn; S04 fine adjustment is conducted on the bridge section through the temporary supports to enable the bridge section and other adjacent bridge sections to be connected in a matching mode according to design requirements; S05 the S01 to the S05 are repeated, all bridge sections are transported to mounting positions and connecting construction is conducted.

Description

technical field [0001] The invention relates to the field of building construction, in particular to a construction method for pedestrian bridges at urban intersections and an integrated machine for transporting frames used in the construction method. Background technique [0002] Due to the unusually busy large-scale intersections in some cities, in order to ensure the fastest passage of vehicles, ring-shaped pedestrian bridges are often built to ensure the rapid and safe passage of pedestrians. Ring-shaped pedestrian bridges are generally constructed using the bulk method, that is, a large number of temporary vertical supports or combined with steel beams to form a temporary support system. The supports are generally supported at intersections, and the construction machinery for component hoisting is also stopped at the intersection. The "bulk method" mainly has the following disadvantages: [0003] 1) The "bulk method" is adopted for construction. The construction machin...

AI Technical Summary

Problems solved by technology

[0003] 1) The "bulk method" is used for construction. Construction machinery needs to occupy the intersection for a long time during construction, and road closure measures must be taken when necessary. There are many construction coordination items, which will cause more congestion at the intersection;

[0004] 2) There may be high-voltage wires and signal wires above the pedestrian bridge, and large-scale mechanical construction is restricted, so relocation and protection are required;

[0005] 3) Large construction machinery and temporary supports occupy the intersection, and a large number of pipelines under the intersection need to be protected;

At the same time, the noise pollution and light pollution generated by the construction will also affect the surrounding residents for a long time;

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