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Method for fixedly installing and leveling base of metal upright column of bridge guardrail

A technology for guardrails and bridges, used in bridges, bridge parts, bridge construction and other directions, can solve the problems of low construction speed, waste of manpower, material resources and time, installation and fixation, etc., to achieve high construction speed and quality, easy operation process. , the effect of reducing construction costs

Active Publication Date: 2013-08-14
SHANDONG UNIV OF SCI & TECH
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

This method is not firmly installed and fixed, and does not have enough bearing capacity to resist external forces such as wind loads and car impacts, and is easily blown down by wind and pulled out by external forces; and the construction and leveling operation process is cumbersome and troublesome, consuming a lot of manpower, material resources and time. , the construction speed is low, and it is difficult to ensure the verticality

Method used

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  • Method for fixedly installing and leveling base of metal upright column of bridge guardrail
  • Method for fixedly installing and leveling base of metal upright column of bridge guardrail
  • Method for fixedly installing and leveling base of metal upright column of bridge guardrail

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Embodiment Construction

[0020] With reference to the accompanying drawings, the present invention will be described in further detail.

[0021] A method for installing, fixing and leveling the metal column base of a bridge guardrail, the following steps are taken:

[0022] The first step: first make a leveling device; the structure of the leveling device see Figure 1-3 , it is a right angle frame formed by fixed connection of a vertical side frame 2 and a horizontal top frame 3; Flat bolt 1; the top frame 3 is an open frame, that is to say the end of the top frame 3 is open, and two cross bars of the top frame 3 are provided with a reinforcing longitudinal bar 19 (see image 3 ), between the end of the top frame 3 and the reinforcing longitudinal bar 19, two sections of supporting steel bars protruding inward are respectively provided on the lower bottom surface on both sides of the top frame cross bar as the supporting claws 17, and the four supporting claws 17 form a horizontal support surface; ...

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Abstract

The invention discloses a method for fixedly installing and leveling a base of a metal upright column of a bridge guardrail. The method includes leveling the base by the aid of a leveling device and fixedly welding the leveling device on a reinforcement cage by short reinforcing steel bars; removing the base construction leveling device and mounting corresponding base fixing devices on a bottom plate; and installing the metal beam-column guardrail after concrete is molded by means of pouring. The method has the advantages that a construction procedure is simple and is easy to learn, the leveling precision is high, the requirement on anchoring strength is met, the base leveling device can be reused, the construction speed is increased, the construction quality is improved, and the construction cost is reduced.

Description

technical field [0001] The invention relates to a bridge guardrail, in particular to a construction method for a metal column base of a bridge guardrail. Background technique [0002] With the emergence of large and medium-sized bridges in recent years, the application of metal beam-column guardrails on bridges has continued to increase. The metal beam-column guardrail structure can effectively protect out-of-control vehicles, effectively reduce the probability of the above-mentioned accidents, reduce the losses caused by accidents, and improve the traffic safety level of the expressway. In addition, the guardrail structure has a self-anti-glare function, which can effectively save the cost of anti-glare boards. At the same time, the guardrail structure is convenient for installing LED lighting equipment, which can effectively save the cost of light poles. [0003] The metal columns of the bridge guardrail should be vertical after being installed on the bridge body. On the ...

Claims

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Application Information

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IPC IPC(8): E01D21/00E01D19/10
Inventor 张宪堂周红敏王洪立王兆东张颖颖
Owner SHANDONG UNIV OF SCI & TECH
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