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Cable-stayed bridge pylon reinforcement skeleton manufacture method

A cable-stayed bridge cable tower and steel skeleton technology, applied to bridges, bridge parts, bridge construction, etc., can solve problems such as short construction time, extended construction period, and long concrete curing time, so as to improve production efficiency and reduce misoperation Effect

Active Publication Date: 2018-12-18
CHONGQING JIAOTONG UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The height of the cable tower is usually related to the main span of the bridge. There are many types of structures. The traditional cable tower pouring needs to bind the steel skeleton on site, set up the formwork, and then carry out segmental pouring, which requires a certain construction period; in low temperature areas, Concrete takes a long time to cure and takes more time; in addition, in some areas, due to climatic conditions, the construction period of the year is very short, if the construction is carried out in the traditional way, the construction period will be greatly extended

Method used

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  • Cable-stayed bridge pylon reinforcement skeleton manufacture method
  • Cable-stayed bridge pylon reinforcement skeleton manufacture method
  • Cable-stayed bridge pylon reinforcement skeleton manufacture method

Examples

Experimental program
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Embodiment 1

[0047] Such as figure 1 , 2 As shown in , 3, a steel bar skeleton includes a plurality of main bars a1 parallel to each other, all of the main bars a1 are distributed in a rectangular array, and a plurality of stirrup cages a2 are arranged on the main bars a1 along its length direction, Each of the stirrup cages a2 is connected to all the main reinforcements a1 at the same time;

[0048] The main reinforcement collar a3 corresponding to the main reinforcement a1 is arranged on the stirrup cage a2, so that all the main reinforcement collars a3 of each stirrup cage a2 are also distributed in a rectangular array, The main reinforcement rings a3 in two adjacent rows and two adjacent columns are respectively connected by a stirrup bar a4, and the two ends of the stirrup bar a4 are respectively connected with the corresponding main reinforcement ring a3; all the stirrup bars The ribs a4 form the stirrup cage a2 in a grid shape, and the main rib collars a3 are located at nodes of t...

Embodiment 2

[0052] A method for manufacturing a steel bar skeleton of a cable-stayed bridge cable tower based on embodiment 1, comprising the following steps:

[0053] Step 1, setting the stirrup cage a2;

[0054]The stirrup cage a2 includes the main reinforcement rings a3 distributed in a rectangular array in the same plane, the centerlines of the main reinforcement rings a3 are parallel to each other, two adjacent rows and two adjacent rows of the main reinforcement rings A3 are respectively connected by a stirrup strip a4, and the two ends of the stirrup strip a4 are respectively connected with the corresponding main reinforcement ring a3;

[0055] Step 2, setting the stirrup positioning device;

[0056] Such as Figure 4-11 As shown, the stirrup positioning device includes a lower base plate b1, on which a plurality of positioning sleeves b2 are vertically arranged, and the positioning sleeves b2 are distributed in a rectangular array on the lower base plate b1, and the positioning ...

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Abstract

The invention discloses a cable-stayed bridge pylon reinforcement skeleton manufacture method. The method comprises following steps: setting a stirrup holding rack, setting a stirrup positioning device, constructing a main reinforcement threading system, threading a main reinforcement, adjusting stirrups, fixing a reinforcement framework etc. The cable-stayed bridge cable tower reinforcement skeleton manufacturing method has the remarkable effects that the stirrups can be quickly and stably positioned and clamped, a plurality of stirrups can be kept in the same posture, the main reinforcementcan be quickly and stably inserted, the main reinforcement and the stirrups can be connected, the manufacturing efficiency of the reinforcement skeleton can be improved, and the misoperation can be reduced.

Description

technical field [0001] The invention relates to the binding of steel bar skeletons, in particular to a manufacturing method for cable-stayed bridge cable tower steel bar skeletons. Background technique [0002] Cable-stayed bridge towers are tower-shaped structures that support the main cables. The height of the cable tower is usually related to the main span of the bridge. There are many types of structures. The traditional cable tower pouring needs to bind the steel skeleton on site, set up the formwork, and then carry out segmental pouring, which requires a certain construction period; in low temperature areas, Concrete takes a long time to cure and takes more time; in addition, in some areas, due to climatic conditions, the construction period of the year is very short, if the construction is carried out in the traditional way, the construction period will be greatly extended. [0003] Researchers have proposed a prefabricated steel skeleton, which can be assembled in a...

Claims

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Application Information

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IPC IPC(8): E01D19/14E01D21/00
CPCE01D19/14E01D21/00
Inventor 陈林杰倪志军张亮亮陈林冲吴波
Owner CHONGQING JIAOTONG UNIVERSITY
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