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Steel plate hinged type segmented prefabricated assembled arch bridge and intelligent construction control method

A segmented prefabrication and control method technology, applied in arch bridges, erection/assembly bridges, bridges, etc., can solve problems such as high process requirements, uneven distribution of material strength, inaccurate control of structural alignment, etc., to simplify the construction process and improve The effect of manufacturing precision, improving construction efficiency and site applicability

Pending Publication Date: 2021-09-28
CHINA HARBOUR ENGINEERING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the other hand, traditional masonry arch bridges need to be erected during construction, and the on-site construction technology requirements are high, which often leads to problems such as inaccurate control of structural alignment and uneven distribution of material strength, which are more restricted in the field of rapid construction.

Method used

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  • Steel plate hinged type segmented prefabricated assembled arch bridge and intelligent construction control method
  • Steel plate hinged type segmented prefabricated assembled arch bridge and intelligent construction control method
  • Steel plate hinged type segmented prefabricated assembled arch bridge and intelligent construction control method

Examples

Experimental program
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Effect test

Embodiment 1

[0053] See attached figure 1 to attach image 3 , the embodiment of the present invention discloses a steel plate articulated segmental prefabricated arch bridge, comprising:

[0054] An abutment 1; there are two abutments 1; a sliding slope 11 is formed on the installation side of the abutment 1;

[0055] Segmental arch ring 2; the number of segmental arch rings 2 is multiple, and they are arranged side by side; Prefabricated wedge block 21; the top surface of prefabricated wedge block 21 is fixed with steel plate connector 4 by bolt 3;

[0056] In order to further optimize the above-mentioned technical solution, the height of the prefabricated wedge 21 is 400 mm, the top surface distance along the length direction of the segmental arch ring 2 is 500 mm, and the distance along the width direction of the segmental arch ring 2 is 1000 mm.

[0057] In order to further optimize the above technical solution, the number of steel plate connectors 4 on the top surface of each pref...

Embodiment 2

[0061] See attached Figure 4 , the prefabricated wedge-shaped block 21 is a solid concrete structure, and the joint surface of two adjacent prefabricated wedge-shaped blocks 21 is prefabricated with a protruding notch structure 211 that can be plugged and fitted; the protruding notch structure 211 is a raised cross type structure and recessed cross groove.

Embodiment 3

[0063] See attached Figure 5 , the prefabricated wedge block 21 is a hollow box-shaped concrete structure with both ends open, and the opening end of the prefabricated wedge block 21 faces the length direction of the segmental arch ring 2 .

[0064] On the basis of the above examples, see the attached Figure 6 , an intelligent construction control method for steel plate articulated segmental prefabricated assembled arch bridges, comprising the following steps:

[0065] S1, pouring the abutment 1 and performing maintenance;

[0066] S2. Prefabricate the prefabricated wedges 21 in the factory, and connect the prefabricated wedges 21 through the hinged buckle 41 according to the required length; at the same time, select a plurality of bonding points of two adjacent prefabricated wedges 21, and the bonding point is taken as the segmental arch ring 2 ends, middle points and quarter points; install stress strain gauges on multiple bonding points, and install laser displacement s...

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Abstract

The invention discloses a steel plate hinged type segmented prefabricated assembled arch bridge and an intelligent construction control method. The structure has two skewbacks, wherein a sliding inclined surface is formed on the mounting side of the skewback; a plurality of section arch rings are arranged in parallel, wherein the two ends of the segment arch ring are attached to the two sliding slopes correspondingly and are fixed in a pouring mode. The section arch ring comprises a plurality of segments of prefabricated wedge blocks; wherein a steel plate connecting piece is fixed on the top surface of the prefabricated wedge-shaped block through a bolt; hinge buckles are formed at the two ends of the steel plate connecting pieces, and the adjacent steel plate connecting pieces are connected through the hinge buckles. During construction, sensor monitoring data is collected, and calculation result is simulated and calculated according to an established arch bridge digital twinborn model and an arch construction load numerical value; then, the prefabricated arch ring is tensioned in a graded and segmented mode according to the arch construction load through intelligent numerical control tensioning equipment, and the linear shape and the internal force of the prefabricated arch ring are adjusted to be consistent with the design. Therefore, the problem that the bridge forming line shape is not matched with the designed line shape is solved.

Description

technical field [0001] The invention relates to the technical field of bridge engineering, in particular to a steel plate hinged segmental prefabricated assembled arch bridge and an intelligent construction control method. Background technique [0002] In recent years, with the advancement of the national rural revitalization strategy and the call for the construction of national forest cities, the construction of urban and rural ecological parks in various places is in full swing, followed by the construction of small and medium-span bridges such as pedestrian bridges and bicycle bridges in scenic spots. need. Stone arch bridges are widely used in small and medium span bridges of 5-30 meters because of their convenient materials, simple structure, beautiful shape, good durability and low maintenance cost. But on the other hand, traditional masonry arch bridges need to be erected during construction, and the on-site construction technology requirements are high, often resul...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D21/00E01D15/133E01D4/00
CPCE01D21/00E01D15/133E01D4/00
Inventor 徐超何俊彪张化强王荣陶然杨佳岩陈昭
Owner CHINA HARBOUR ENGINEERING
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