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Adjustable pressure induction type active transverse supporting device

An inductive and adjustable technology, applied in the erection/assembly of bridges, bridge parts, bridge materials, etc., can solve the problems of large temperature influence, inability to quantify the stress and strain of the tower, and inability to pre-bias and adjust the tower body.

Pending Publication Date: 2020-11-20
CHINA RAILWAY CONSTR BRIDGE ENG BUREAU GRP 1ST ENG +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional cable tower construction adopts the passive steel pipe support method, which is greatly affected by temperature and inconvenient to install. It is impossible to pre-deflect and adjust the tower body according to the construction conditions. The control effect of bar pattern is limited

Method used

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  • Adjustable pressure induction type active transverse supporting device
  • Adjustable pressure induction type active transverse supporting device

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Embodiment Construction

[0013] The specific implementation manner of the present invention will be described below with reference to the accompanying drawings. Such as figure 1 , figure 2 Shown: An adjustable pressure-sensing active cross brace device, which includes a main steel tube assembly and an adjustment tube assembly that match each other,

[0014] The main steel pipe assembly includes a concrete installation seat 2 pre-buried on the concrete 1, a main steel pipe 3 is connected to the concrete installation seat 2, and a remote installation seat 4 is arranged at the end of the main steel pipe 3. The outer wall of 3 is also provided with a surface-type intelligent string strain gauge 5,

[0015] The adjusting tube assembly includes a near-end mounting seat 6 pre-embedded on the concrete 1, and an adjusting tube 7 is connected to the proximal mounting base 6. The outer diameter of the adjusting tube 7 matches the inner diameter of the main steel pipe 3. Two symmetrically distributed jacks 8 ...

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Abstract

The invention discloses an adjustable pressure induction type active transverse supporting device. The device is characterized by comprising a main steel pipe assembly and an adjusting pipe assembly which are matched with each other. The main steel pipe assembly comprises a concrete mounting base pre-buried in concrete. A main steel pipe is connected to the concrete mounting base; a far-end mounting seat is arranged at the end part of the main steel pipe; meanwhile, a surface type intelligent string strain gauge is also arranged on the outer wall of the main steel pipe; the adjusting pipe assembly comprises a near-end mounting base pre-buried in concrete. An adjusting pipe is connected to the near-end mounting base; the outer diameter of the adjusting pipe is matched with the inner diameter of the main steel pipe, two symmetrically-distributed jacks and two symmetrically-distributed wedge-shaped supporting mechanisms are arranged between the far-end mounting seat and the near-end mounting base, each wedge-shaped supporting mechanism is composed of two supporting blocks, and each supporting block is provided with an inclined face.

Description

technical field [0001] The invention relates to the field of bridge cable tower construction, in particular to an adjustable pressure-sensing active cross brace device. Background technique [0002] Cable towers are more and more used in modern long-span cable-stayed bridges because of their beautiful appearance and structural advantages. However, due to the complex structure of the tower body, its construction is also relatively difficult. The tower column of the cable tower is mostly constructed by hydraulic climbing formwork method cantilever construction. Under the action of concrete self-weight, construction load and wind load, a large bending moment will be generated, which will cause a large tensile stress at the root of the tower column, and cracks will easily occur at the stress concentration. The traditional cable tower construction adopts the passive steel pipe support method, which is greatly affected by temperature and inconvenient to install. It is impossible t...

Claims

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Application Information

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IPC IPC(8): E01D19/02E01D21/00E01D101/30E01D101/24
CPCE01D19/02E01D21/00E01D2101/24E01D2101/30
Inventor 徐溢滨张广涛李文良张健彭志川崔晨光
Owner CHINA RAILWAY CONSTR BRIDGE ENG BUREAU GRP 1ST ENG
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