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Integrated monorail beam end pre-embedding device

A pre-embedded device and integrated technology, applied in the field of rail transit, can solve problems such as poor construction time and construction quality, poor concrete stress, and complicated formwork installation positions

Active Publication Date: 2018-06-29
CHENGDU XINTU TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of structural design will bring a series of problems: when prefabricating beams, there are many accessories to be installed at the beam end, the installation position of the formwork is complicated, the space size between the embedded parts is not suitable for control, and the construction time and construction quality are not guaranteed; and Under the action of anchorage tension, shrinkage and creep, and fatigue load when the vehicle passes, the concrete between the embedded parts is poorly stressed and prone to damage; the existing PC track beam span is generally only 18-22m, There are many piers and piers required for construction, and the ability to cross municipal roads is also weak in the layout of municipal roads

Method used

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  • Integrated monorail beam end pre-embedding device
  • Integrated monorail beam end pre-embedding device
  • Integrated monorail beam end pre-embedding device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Such as figure 2 As shown, an integrated pre-embedded device at the end of monorail beam includes track beam 1, support 4 installed on pier 3, anchor plate 6, pre-embedded plate 8 on the upper part of the support, and embedded part 9 of telescopic device An anchorage 5 and a bellows joint 10 are installed on the under-anchor backing plate 6 for connecting the steel bar 2, the pre-embedded anchor bolt 7 at the upper part of the support is arranged on the pre-embedded plate 8 at the top of the support, and the under-anchor backing plate 6 is fixedly connected with the embedded plate 8 on the upper part of the support.

[0023] In this embodiment, the embedded part 9 of the telescopic device may be the same as the traditional embedded part of the telescopic device.

Embodiment 2

[0025] Such as image 3 , 6 As shown, an integrated pre-embedded device at the end of monorail beam includes track beam 1, support 4 installed on pier 3, anchor plate 6, pre-embedded plate 8 on the upper part of the support, and embedded part 9 of telescopic device An anchorage 5 and a bellows joint 10 are installed on the under-anchor backing plate 6 for connecting the steel bar 2, the pre-embedded anchor bolt 7 at the upper part of the support is arranged on the pre-embedded plate 8 at the top of the support, and the under-anchor backing plate 6 is fixedly connected with the embedded plate 8 on the upper part of the support.

[0026] The built-in part 9 of the telescopic device is fixedly connected with the base plate 6 under the anchor and the built-in plate 8 at the upper part of the support. The embedded part 9 of the telescopic device includes a built-in part 91 of the walking surface of the walking wheel, a built-in part 92 of the running surface of the guide wheel an...

Embodiment 3

[0028] Such as Figure 7 As shown, an integrated monorail beam end pre-embedded device, including a track beam 1, a support 4 installed on a bridge pier 3, an anchor plate 6, a pre-embedded plate 8 on the upper part of the support, and an embedded part 9 for a telescopic device An anchor 5 and a bellows joint 10 are installed on the under-anchor backing plate 6 for connecting the steel bar 2, the pre-embedded anchor bolt 7 at the upper part of the support is arranged on the pre-embedded plate 8 at the top of the support, and the under-anchor backing plate 6 is fixedly connected with the embedded plate 8 on the upper part of the support. The bottom of the pre-embedded plate 8 on the upper part of the support is provided with an external anchor point 11, and the external anchor point 11 is combined with the support 4 or set separately, such as Figure 4 , 5 shown.

[0029] The built-in part 9 of the telescopic device is fixedly connected with the base plate 6 under the anchor...

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Abstract

The invention discloses an integrated monorail beam end pre-embedding device which comprises a track beam, a support, an anchoring lower bolster, a support upper part pre-embedded plate and a retractor device pre-embedded member, wherein an anchorage device and a corrugated pipe joint are arranged on the anchoring lower bolster, a support upper part pre-embedded bolt is arranged on the support upper part pre-embedded plate, and the anchoring lower bolster is fixedly connected with the support upper part pre-embedded plate. According to the technical scheme, after the anchoring lower bolster isfixedly connected with the support upper part pre-embedded plate and integrated into a whole for loading, the stress of a concrete beam end is more uniform, and the concrete beam end is uneasy to bedamaged; in manufacturing, less templates are needed, and therefore, layout is more convenient and time-saving, and construction quality is easier to guarantee; and an original support upper part pre-embedded bolt can be shortened, so as to enlarge the layout space of prestressed reinforcement.

Description

technical field [0001] The invention relates to an integrated pre-embedded device for the end of a monorail beam, which is used for the beam end of a track beam and belongs to the technical field of rail transportation. Background technique [0002] At present, the country is vigorously developing urban rail transit. Among them, straddle-type monorail is a form that may be widely used in the future, but at present, domestic straddle-type monorail is still rarely used. Only Chongqing introduced Japanese technology around 2000 and established a few. For straddle monorail lines, the existing straddle monorail uses PC track beams. [0003] figure 1 The structure shown is a schematic diagram of the embedded parts at the beam end of the traditional PC track beam. The cross section of this type of PC track beam generally does not exceed 900mm (width) × 1500mm (height). The PC track beam 2 corresponds to the beam above its support 1. Pre-embedded support embedded plate and embedde...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01B25/08
CPCE01B25/08
Inventor 夏玉龙邱廷琦刘海亮刘成杜传知
Owner CHENGDU XINTU TECH
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