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A connection device and method for a steel pipe column and a seismic isolation support after the building is lifted

A technology of shock-isolation bearings and connection devices, which is applied in the direction of building construction and construction, can solve the problems that the steel pipe column bottom cannot be directly welded and connected, the connection construction period is long, and the connection effect is not good, so as to achieve good connection effect, The effect of shortening the construction period and stabilizing the support

Active Publication Date: 2021-08-24
SHANDONG JIANZHU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The inventor found that the disadvantages of the current general practice in actual engineering are: the bottom of the steel pipe column cannot be directly welded and connected, the lower end of the steel pipe column is not closed, and the connection effect is not good; The loss of formwork is large; the concrete curing period takes 28 days, and the connection construction period is long

Method used

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  • A connection device and method for a steel pipe column and a seismic isolation support after the building is lifted
  • A connection device and method for a steel pipe column and a seismic isolation support after the building is lifted
  • A connection device and method for a steel pipe column and a seismic isolation support after the building is lifted

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Embodiment 2

[0039] This embodiment discloses a connection device between a steel pipe column and a seismic isolation support after the building is jacked up, such as Figure 3-5 As shown, it includes a top board and a bottom board with the same size and arranged in parallel. The top board and the bottom board are both square steel plates. A plurality of first vertical support plates are arranged between the top board and the bottom board. The boards are distributed in a "meter" shape, and the upper and lower ends of the first vertical support board are respectively welded and fixed to the top board and the bottom board.

[0040] A second vertical support plate 14 is also provided between the top plate and the bottom plate. The second vertical support plate is an inverted conical structure, and its upper and lower ends are welded to the top plate and the bottom plate respectively. The second vertical support plate The second vertical support plate is arranged coaxially with the top plate a...

Embodiment 3

[0046]After the building is lifted, the steel pipe column 6 of the building is separated from the seismic isolation support 8 fixed on the foundation structure 7 by high-strength bolts. After the jacking is in place, the steel pipe column of the building needs to be connected to the seismic isolation support , this embodiment discloses the construction method of the connection device between the steel pipe column and the seismic isolation support after the building is jacked up as described in embodiment 1 or embodiment 2, comprising the following steps:

[0047] Step 1: After the building is jacked up, the part of the set length at the bottom of the pier 9 of the steel pipe column is removed, so that the bottom of the vertical steel bar 10 of the reinforcement cage in the pier exposes the set distance of the pier, and the set length It can be determined by those skilled in the art according to actual engineering needs, and will not be described in detail here.

[0048] Step 2...

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Abstract

The invention relates to a connection device and method for a steel pipe column and a seismic isolation support after the building is jacked up, comprising a top plate and a bottom plate arranged in parallel, the top surface of the top plate can be fixedly connected to the bottom of the steel pipe column, and the bottom plate can be connected to the seismic isolation support The seat is detachably connected, and a plurality of first vertical support plates distributed in the shape of a "meter" are arranged between the top plate and the bottom plate. Connected by the seat, the construction period is short and the construction speed is fast.

Description

technical field [0001] The invention relates to the technical field of civil engineering, in particular to a connection device and method for a steel pipe column and a seismic isolation support after a building is jacked up. Background technique [0002] Before the building is lifted, the connection between the bottom of the steel pipe column and the original structure needs to be cut off; after the building is lifted in place, the lower end of the structural steel pipe column needs to be reconnected with the lower seismic isolation support structure. At present, the general practice in actual engineering is: remove the vertical steel bars in the reinforcement cage at the bottom of the steel pipe column pier, and then weld and fix them with new steel bars welded on the isolation support, and then connect the column pier to the isolation support. Concrete is poured between the seats to realize the connection between the steel pipe column and the seismic isolation support afte...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04B1/35E04B1/36E04B1/38E04B1/41
CPCE04B1/35E04B1/36E04B1/4157E04B1/388
Inventor 夏风敏谭天乐张鑫贾留东王继国
Owner SHANDONG JIANZHU UNIV
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