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Shearing type mild steel damper with shear thickening fluid

A mild steel damper and thickening fluid technology, applied in building types, building components, earthquake resistance, etc., can solve the problems of poor ductility performance, large damper volume affecting building use, etc., to improve energy consumption capacity and layout location Flexible, adaptable effects

Inactive Publication Date: 2017-07-28
ZHEJIANG JIANKE DAMPING SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But at the same time, there are the following disadvantages: (1) When a large damping force needs to be provided, the excessive volume of the damper will affect the use of the building
And the larger the tonnage of the damper, the worse the ductility performance

Method used

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  • Shearing type mild steel damper with shear thickening fluid
  • Shearing type mild steel damper with shear thickening fluid
  • Shearing type mild steel damper with shear thickening fluid

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Such as Figure 1-4 Shown is a shear-type mild steel damper with a shear-thickening fluid. figure 1 The shown mild steel shear plates (1-1, 1-2) are connected to the upper connection plate 2-2 by welding, wherein the connection plate 2-2 has bolt holes 5-2 to connect with the main structure. The lower connecting plate 2-1 is welded to the liquid container 3, wherein the lower connecting plate 2-1 has a bolt hole 5-1 and is connected to the main structure.

[0024] The shear thickening liquid 4 is arranged in the liquid container 3, and the consistency and volume of the liquid are determined according to the design. Under the action of a small earthquake, the movement of the mild steel shear plates (1-1, 1-2) in the shear thickening fluid 4 causes the shear thickening fluid to generate shear deformation, thereby generating damping force and dissipating seismic energy. Under the action of medium and large earthquakes, the shear thickening liquid 4 becomes solid and is f...

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PUM

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Abstract

The invention belongs to the technical field of structural engineering earthquake resistant designing, and particularly relates to a shearing type mild steel damper with shear thickening fluid. The shearing type mild steel damper with the shear thickening fluid comprises an upper connection board and a lower connection board which are provided with bolt holes; the upper connection board and the lower connection board are arranged in a corresponding mode, and a liquid container is fixedly arranged between the upper connection board and the lower connection board; the liquid container is internally provided with the shear thickening fluid and two mild steel shearing boards; and the two mild steel shearing boards are located in the shear thickening fluid and fixedly welded to the upper connection board. The shearing type mild steel damper with the shear thickening fluid has the advantage that the damping effect is dynamically generated according to the earthquake magnitude.

Description

technical field [0001] The invention belongs to the technical field of anti-seismic design of structural engineering, and in particular relates to a shear type mild steel damper with shear thickening fluid. Background technique [0002] Adding dampers to the building structure can reduce the seismic response of the structure. The common types of dampers are metal dampers, viscous dampers and friction dampers. The energy dissipation principle of the damper is to dissipate the seismic energy and protect the safety of the main structure before the structural components (beams, columns) are damaged under the action of an earthquake. [0003] The metal damper has a good energy dissipation capacity and can play an excellent role under the action of small earthquakes, moderate earthquakes, and large earthquakes. In particular, the metal damper using mild steel as the energy-dissipating part has outstanding energy-dissipating capacity. But at the same time, there are the following...

Claims

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Application Information

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IPC IPC(8): E04B1/98E04H9/02
CPCE04H9/021E04H9/0235
Inventor 张瑞甫金剑刘召鹏刘牛傅文涛杜汉华
Owner ZHEJIANG JIANKE DAMPING SCI & TECH CO LTD