A prefabricated transmission tower body connection node and manufacturing method thereof

A technology for connecting nodes and transmission towers, which is applied in the field of connecting nodes of prefabricated concrete-filled steel tube transmission towers, which can solve problems such as insufficient rigidity and poor seismic performance, and achieve the effects of improved foundation stability, high bearing capacity, and increased stiffness

Active Publication Date: 2020-07-31
HOHAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Purpose of the invention: The present invention provides a connection node for the tower body of a prefabricated transmission tower. With the help of the concept of the conversion column in the building, it proposes the connection node between the concrete filled steel tube concrete transmission tower body and part of the filled steel tube concrete, which can effectively solve the background problem. The steel pipe structure transmission tower joint rigidity proposed in the technology is insufficient, and the seismic performance is poor and other defects

Method used

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  • A prefabricated transmission tower body connection node and manufacturing method thereof
  • A prefabricated transmission tower body connection node and manufacturing method thereof
  • A prefabricated transmission tower body connection node and manufacturing method thereof

Examples

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Embodiment 1

[0023] Such as figure 1 As shown, a prefabricated transmission tower body connection node includes an upper section of concrete filled steel pipe member 1 and a lower section of steel pipe concrete member 2. The steel pipe 202 is provided with an upper reinforcement cage 101 and a lower reinforcement cage 201 respectively; the upper outer steel pipe 102 is poured with an upper inner filling concrete 105, and the lower outer steel pipe 202 is poured with a lower inner filling concrete 203 and a post-cast concrete 204; the upper outer steel pipe The upper steel cage 101 provided inside the concrete member 1 extends into the lower steel pipe concrete member 2 and partially overlaps with one end of the lower steel cage 201 in the lower steel pipe concrete member 2 . Rigid flanges 3 are respectively welded to the cornice edges of the outer steel pipe 102 of the upper section and the outer steel pipe 202 of the lower section. A stiffening plate 5 is arranged between the outer steel...

Embodiment 2

[0030] Such as figure 2As shown, a prefabricated transmission tower body connection node includes an upper section of concrete filled steel pipe member 1 and a lower section of steel pipe concrete member 2. The steel pipe 202 is provided with an upper reinforcement cage 101 and a lower reinforcement cage 201 respectively; the upper outer steel pipe 102 is fixedly connected with an inner steel pipe 103 through a connecting plate 104, and the upper reinforcement cage 101 is arranged between the upper outer steel pipe 102 and the inner steel pipe 103 The inner filling concrete 105 of the upper section is poured in it, the inner filling concrete 203 of the lower section and the post-casting concrete 204 are poured in the outer steel pipe 202 of the lower section; It partially overlaps with one end of the lower reinforcement cage 201 in the lower concrete-filled steel tube member 2 . Rigid flanges 3 are respectively welded to the cornice edges of the outer steel pipe 102 of the u...

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Abstract

The invention discloses an assembled-type power transmission tower connection joint and a manufacturing method thereof. The lower segment of the assembled-type power transmission tower connection joint is made of a prefabricated concrete-filled steel tube, and the prefabricated concrete-filled steel tube of the lower segment includes an outer steel tube body, main embedded steel bars and an outerstirrup structure, wherein the main embedded steel bars and the outer stirrup structure are both arranged in the outer steel tube body; concrete is poured into the outer steel tube body, and the embedded steel bars are partially exposed out of the concrete; the upper segment of the assembled-type power transmission tower connection joint is also of a prefabricated steel tube concrete structure, the bottom of the concrete is flush with the bottom surface of the steel tube, and the embedded steel bars are partially exposed; when the connection joint is assembled, the concrete continues to be poured into the lower segment till the concrete is flush with the top surface of the steel tube, and the upper segment subsides till the upper portion of the steel tube is fitted with the lower portion of the steel tube in an aligned mode. According to the assembled-type power transmission tower connection joint, the connectivity and integrality of the concrete are improved, and the rigidity and bearing capability of the joint are improved.

Description

technical field [0001] The invention mainly relates to a fixed building, in particular to a connection node of a fabricated steel pipe concrete transmission tower body. Background technique [0002] Electricity plays a pivotal role in the construction of the national economy, and the safe and reliable operation of power transmission lines is an important part of the power grid. Once the power system is damaged in an earthquake, it will not only cause huge direct or indirect economic losses, but also cause secondary disasters such as fire, which will also cause great difficulties for earthquake relief and emergency recovery. The high-voltage transmission tower is an important part of the transmission line of the power system, which is directly related to the realization of the normal function of the power system. However, the design load of the transmission tower mainly considers the working conditions such as strong wind, disconnection and installation, and the earthquake e...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04H12/08E04H12/12
CPCE04H12/08E04H12/085E04H12/12
Inventor 陈峰伍凯徐佳楠林诗琪李辉
Owner HOHAI UNIV
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