Small-angle inclined steel arch tower support-free in-situ assembly type asymmetric tensioning assembly construction method

A construction method and prefabricated technology, which is applied in the direction of erecting/assembling bridges, arch bridges, bridge forms, etc., can solve the problems of high quality control requirements for welds, and achieve the effects of avoiding installation and dismantling risks, improving work efficiency, and reducing costs

Active Publication Date: 2020-11-17
CHINA TIESIJU CIVIL ENG GRP CO LTD +1
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Problems solved by technology

[0007] (3) The steel plate of the steel arch tower is as thick as 36mm, most of which are sections with curved surfa

Method used

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  • Small-angle inclined steel arch tower support-free in-situ assembly type asymmetric tensioning assembly construction method
  • Small-angle inclined steel arch tower support-free in-situ assembly type asymmetric tensioning assembly construction method
  • Small-angle inclined steel arch tower support-free in-situ assembly type asymmetric tensioning assembly construction method

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Embodiment Construction

[0051] The technical solutions in the embodiments of the present invention will be clearly and completely described below, obviously, the described embodiments are only some of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0052] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relationship between the components in a certain posture (as shown in the drawing). If the specific posture changes, the directional indication will also change accordingly.

[0053] In addition, in the present invention, descriptions such as "first", "second" and so on are used for description purposes only, and should not be understood as indicating or...

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Abstract

The invention discloses a small-angle inclined steel arch tower support-free in-situ assembly type asymmetric tensioning assembly construction method, which is characterized in that a traditional support method erection process is changed into a support-free assembly process in a bridge steel arch tower erection construction stage, and the quality of a steel arch tower is controllable; in addition, the construction difficulty is reduced, the work amount of auxiliary measures such as hoisting equipment, temporary supports and assembly sites is reduced, the construction period is shortened, thecost is reduced, passage of a navigation channel is guaranteed, and operation is convenient. The invention provides a small-angle inclined steel arch tower support-free in-situ assembly type asymmetric tensioning assembly construction method, which realizes factory manufacturing, transportation, hoisting and positioning of the steel arch tower, and solves the construction problems of limited bridge construction operation space, tight construction period and crossing of rivers with navigation requirements.

Description

technical field [0001] The invention belongs to the technical field of bridge construction, and in particular relates to a small-angle oblique steel arch tower without support in-situ assembly type asymmetrical tension assembly construction method, which is especially suitable for limited working space, tight construction period, and double-sided cable-stayed cables. Installation and construction of symmetrically tensioned steel arch towers. Background technique [0002] As a structural form of bridge tower, oblique steel arch tower has the advantages of clear structural force, novel design, and beautiful architectural appearance. It is often used in some bridges spanning highways, rivers and municipalities. At present, the construction methods of steel arch tower girder bridges mostly rely on external facilities such as brackets, follow the symmetry of the left and right tower columns, assemble from the bottom to the top of the tower in turn, and realize the method of closi...

Claims

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Application Information

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IPC IPC(8): E01D21/00E01D19/14E01D4/00
CPCE01D21/00E01D19/14E01D4/00
Inventor 李亚飞严俊丁仕洪伍超然邹孔庆易中楼
Owner CHINA TIESIJU CIVIL ENG GRP CO LTD
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