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Cable-stayed basket thrust device

A thrust and cable-staying technology, which is applied in the field of thrust devices for cable-stayed hanging baskets, can solve problems such as inapplicability, increasing the difficulty of hanging basket design, affecting the appearance quality of box girders, and achieving the effect of preventing backward movement

Inactive Publication Date: 2010-09-29
GUANGDONG PROVINCIAL CHANGDA HIGHWAY ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these two methods have relatively large limitations. The first two methods are only suitable for single-cable plane cable-stayed bridges or π-shaped girder cable-stayed bridges.
However, for double-cable plane box girder cable-stayed bridges, the above two forms are not applicable
Double-cable plane box girder cable-stayed bridges have a large height away from the hanging basket due to the lifting of the box girder flange. The shear block is too high if the hanging basket is used, which will generate a large bending moment on the hanging basket, making the design of the hanging basket more difficult and increasing the hanging basket. Basket production cost; using concrete box girder to set shear block to form thrust will cause large temporary structure of concrete box girder structure, increase construction difficulty and affect the appearance quality of box girder

Method used

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  • Cable-stayed basket thrust device
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  • Cable-stayed basket thrust device

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Embodiment Construction

[0014] figure 1 and 2 As shown, the cable-stayed hanging basket thrust device of the present invention includes an anchor seat 2 and a pull rod 3 adapted to the cable-stayed bridge box girder anchor block 1, and the anchor seat 2 is anchored on the cable-stayed cable 4 and is connected with the anchor block 1 Closely fit, there are pull anchor plates 21 on both sides of the anchor base 2, one end of the pull rod 3 is connected to the main longitudinal beam 5 of the hanging basket, and the other end is connected to the pull anchor plate 21 of the anchor base 2. In this embodiment, the pull rod 3 Comprising turnbuckle bolt 31, left-handed nut 32 and right-handed nut 33, left-handed nut 32 is screwed on the adjustment lever at the right end of turnbuckle bolt 31, right-handed nut 33 is screwed on the adjustment lever at the left end of turnbuckle bolt 31, and left-handed nut 33 And right-handed nut 34 is welded with pull plate 34 respectively, and above-mentioned pull rod can ad...

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Abstract

The invention discloses a cable-stayed basket thrust device, which comprises an anchor chock and a pull rod which are adaptive to a cable-stayed bridge box girder anchor block. The anchor chock is anchored on a stayed cable and is in close fit with the anchor block. Anchor plates are arranged on the two sides of the anchor chock. One end of the pull rod is connected with the main longitudinal girder of a basket and the other end. The invention has the advantages that the exterior quality of the box girder can be ensured and the basket is prevented from moving backward.

Description

technical field [0001] The invention relates to components of a cable-stayed hanging basket, in particular to a thrust device for a cable-stayed hanging basket. Background technique [0002] The cable-stayed bridge concrete pouring construction adopts the cable-stayed hanging basket. Since the rear end of the cable-stayed hanging basket is anchored on the poured beam section, and the front end and the cable-stayed cable are fixed by a tensioning device, the hanging basket generates a horizontal force component. , therefore, a device that can resist the horizontal force component is needed to prevent the hanging basket from retreating. In conventional concrete construction, the horizontal thrust device of the cable-stayed bridge adopts holes left at the bottom of the concrete, and shear blocks are set on the hanging baskets to resist the horizontal component force of the cables; In direct contact with the shear block to resist the horizontal force component of the stay cable...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D21/00E01D11/04
Inventor 钟建锋苏慈吴存全王晓佳郑全跃
Owner GUANGDONG PROVINCIAL CHANGDA HIGHWAY ENG
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