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Composite lamination rubber-annular steel bar quake-isolating device

A laminated rubber and composite laminated technology, applied in the direction of earthquake resistance, building components, etc., can solve the problems of inability to achieve vertical shock isolation, inability to bear vertical tension, environmental protection, safety and reliability, etc., and achieve a wide range of engineering application prospects , significant social and economic benefits

Inactive Publication Date: 2014-01-22
SOUTHEAST UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The lead-core rubber isolation bearing can achieve the effect of isolating earthquakes in multiple directions horizontally, but it cannot achieve vertical isolation and cannot bear vertical tension
And the use of its internal lead core does not meet the requirements of environmental protection, safety and reliability

Method used

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  • Composite lamination rubber-annular steel bar quake-isolating device
  • Composite lamination rubber-annular steel bar quake-isolating device

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Effect test

Embodiment Construction

[0017] The novel composite laminated rubber-annular steel rod shock isolation device of the present invention comprises: an upper connecting plate 1, a thin steel plate 2, rubber 3, an annular steel rod 4, a lower connecting plate 5, connecting bolts 6, countersunk bolts 7, The laminated rubber pad 8, the upper head 9 connected to the upper connecting plate by the ring-shaped steel rod, and the lower head 10 connected to the lower connecting plate by the ring-shaped steel rod. Among them, the thin steel plate 2 and the rubber 3 form a laminated rubber pad by combining a layer of rubber and a layer of steel plates; high-strength countersunk bolts 7 are used between the laminated rubber pad and the upper connecting plate 1 and the lower connecting plate 5 Connection, the number of connecting bolts 6 should ensure the reliable transmission of horizontal shear force; the ring-shaped steel rod 4 is distributed around the laminated rubber pad, and its two ends are connected with the ...

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Abstract

Provided is a composite lamination rubber-annular steel bar quake-isolating device. The quake-isolating device is composed of a lamination rubber cushion and an annular steel bar which are in parallel connection with each other. The lamination rubber cushion is placed at the center of the quake-isolating device, the annular steel bar is arranged around the lamination rubber cushion, and the lamination rubber cushion and the annular steel bar are matched with each other to be used so that large vertical bearing capability and good horizontal quake-isolating energy-consuming capability can be provided. Besides, under some extreme conditions, the quake-isolating device may be subjected to tensile effects, an ordinary lamination rubber cushion can be damaged easily due to tension, and the annular steel bar can provide a certain vertical tensile stiffness, consumes the vertical earthquake energy to some extent and achieves the effects of protecting the quake-isolating device and reducing structural damage. Along with attention paid to quake-proof fortification of engineering structures worldwide and continuous development of the economic level, the composite lamination rubber-annular steel bar quake-isolating device provides much convenience for quake-proof design of construction works, thereby being wide in engineering application prospects.

Description

technical field [0001] The invention relates to a novel composite laminated rubber-annular steel rod shock-isolation device, which is especially suitable for use in building engineering structures in earthquake-prone areas, so as to effectively reduce damage to building structures when subjected to earthquakes. Background technique [0002] Earthquake is a natural disaster that seriously threatens the survival and development of human beings. Its suddenness and destructiveness can turn an area into ruins in an instant. There are tens of thousands of earthquakes every year all over the world, among which there are dozens of destructive earthquakes. In recent years, there have been many major earthquakes around the world, including the Wenchuan Earthquake in China, the Indonesian Earthquake, the Qinghai Yushu Earthquake in China, the Haiti Earthquake, the Chilean Earthquake, and the Japan Earthquake in 2010, which have caused very heavy losses of life and property to humans. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04B1/98
Inventor 王浩吴继荣邢晨曦
Owner SOUTHEAST UNIV
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