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Auto-recovering reinforced column base and construction installation method thereof

An enhanced, self-resetting technology, applied in the direction of columns, piers, pillars, etc., can solve the problems of weakening self-resetting ability of composite composite springs and hindering the self-resetting of column feet, and achieves simple and convenient assembly, strong self-resetting effect, and excellent performance. The effect of auto-recovery ability

Pending Publication Date: 2020-04-28
HAINAN UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is not difficult to find that the prestressed elastic force of the spring on the other side hinders the self-resetting of the column foot, which will lead to the weakening of the self-resetting ability of the composite combined spring

Method used

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  • Auto-recovering reinforced column base and construction installation method thereof
  • Auto-recovering reinforced column base and construction installation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0062] See attached figure 1 And attached figure 2 , the embodiment of the present invention discloses a self-resetting reinforced column foot, which is constructed on the foundation 18, including: a steel column 1, a high-strength tie rod 2, a cantilever plate 7, a limiting device 3, an anchor rod 9 and a limiting backing plate 5;

[0063] The steel column 1 is vertically arranged, and the bottom end is plugged into the limit groove 11 formed on the top surface of the foundation foundation 18;

[0064] The number of high-strength tie rods 2 is at least one, and it is arranged vertically. The bottom end is internally connected with the foundation 18. The rod body passes through the transverse stiffener 17 of the steel column 1 upwards, and the top of the transverse stiffener 17 and high-strength tie rod 2 is installed A disk spring group 16, and is fixed by the high-strength nut on the bottom surface of the transverse stiffener 17;

[0065] The cantilever plate 7 is horizo...

Embodiment 2

[0081] The embodiment of the present invention discloses a construction and installation method of a self-resetting reinforced column foot, which includes the following steps:

[0082] S1. Set the second disc spring group 4, two spacer backing plates 5 and two high-strength nuts 6 on the anchor rod 9, apply prestress to the second disc spring group 4 and connect the position limiting device 3 with the suspension The pick plate 7 is welded and fixed, and then the high-strength nut 6 is loosened, so that both sides of the limit backing plate 5 are stressed;

[0083] S2, welding and fixing the cantilever plate 7 and the side wall of the steel column 1, and welding the support plate 8 for support;

[0084] S3, set the first disc spring group 16 on the top of the high-strength tie rod 2 and apply prestress, and fix it by the high-strength nut on the bottom surface of the transverse stiffener 17;

[0085] S4. Pre-embed the casing for the passage of the high-strength tie rod 2 and t...

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Abstract

The invention discloses an auto-recovering reinforced column base and a construction installation method thereof. The auto-recovering reinforced column base is constructed on a foundation, and comprises a steel column, a high-strength pull rod, a cantilever plate, limiting devices, anchor rods and limiting base plates, wherein the steel column is inserted and connected to a limiting groove of thefoundation; the high-strength pull rod penetrates through transverse stiffening ribs of the steel column, and a first disc spring set is installed on the top end of the transverse stiffening ribs andthe high-strength pull rod for fixing; the cantilever plate is horizontally fixed on the outer side of the steel column; the limiting devices are fixed on the top surface of the cantilever plate; thebottom ends of the anchor rods are connected with the foundation, rod bodies penetrate through the cantilever plate and through holes of the limiting devices, and is provided with a second disc springset in a sleeved mode, and the limiting base plates and high-strength nuts are symmetrically installed at the two ends of the rod bodies in a sleeving mode. According to the auto-recovering reinforced column base, pre-pressure is applied to disc springs, so that the steel column has auto-recovering capability; and during a strong earthquake, the steel column swings to reduce the earthquake damage, after the earthquake, the auto-recovering function is achieved through the disc springs, and the device is clear in concept, convenient to construct and has a wide engineering application prospect.

Description

technical field [0001] The invention relates to the technical field of anti-seismic structural systems, and more specifically relates to a self-resetting reinforced column foot and a construction and installation method thereof. Background technique [0002] In recent years, due to the frequent occurrence of earthquakes and people's requirements for modern safety standards, self-resetting devices and shock-absorbing energy-consuming devices have attracted much attention. They can not only strengthen the structure during an earthquake, but also quickly restore the normal use of the structure after a strong earthquake to protect people's lives and property. Moreover, in the patent publication No. CN110318479A, a patent titled a self-resetting column foot structure and its construction method, the working mechanism of the composite disc spring is that when the column foot tilts, it will drive the cantilever plate so that the spring on one side is affected. Press, so that the c...

Claims

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Application Information

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IPC IPC(8): E04C3/32E02D27/42E04B1/24E04B1/58E04B1/41E04B1/98E04H9/02
CPCE04C3/32E02D27/42E04B1/2403E04B1/41E04B1/98E04H9/021E04B2001/2463
Inventor 陈云魏盛飞
Owner HAINAN UNIVERSITY
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