A separate foundation with shock-absorbing and isolating functions

A separate, shock-absorbing and isolation technology, applied in the field of separate foundations, can solve problems such as lack of shock-absorbing and isolation functions, unsatisfactory shock-absorbing effects, and damage to building structures, so as to protect life and property, easy maintenance, and good shock resistance effect of effect

Active Publication Date: 2022-03-29
NORTHEAST DIANLI UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional independent foundations are fixed together with the surrounding soil, and can be designed into different types of cross-sectional shapes and sizes according to needs, such as pile foundations, anchor foundations, enlarged foundations, caisson foundations, etc., but these foundations themselves have no The shock isolation function needs to realize the shock absorption and isolation function through the connection between the foundation and the superstructure. Usually, a shock-absorbing energy-dissipating support or a shock-isolation layer is set between the foundation and the superstructure, but this single shock-isolation The shock absorption effect of this method is not ideal for large earthquakes or even super earthquakes. Under the action of large earthquakes or even super earthquakes, bridges and building structures using existing shock absorption and isolation methods will still be damaged, and once damaged, they will be permanent. damaged beyond repair

Method used

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  • A separate foundation with shock-absorbing and isolating functions
  • A separate foundation with shock-absorbing and isolating functions
  • A separate foundation with shock-absorbing and isolating functions

Examples

Experimental program
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Effect test

Embodiment 1

[0033] In a typical implementation of the present application, such as Figure 1-Figure 5 As shown, a detached foundation with shock-absorbing and isolating functions is proposed.

[0034] The separated foundation is composed of three parts, the upper foundation is called the upper foundation 5, the lower part is called the lower foundation 10, and the side part is called the side support. The material of the upper foundation itself is reinforced concrete, which can be prefabricated or poured on site. The foundation adopts three-way (horizontal X, horizontal Y, vertical) shock-absorbing and isolation devices to reliably connect with the surrounding soil and the lower foundation;

[0035] Specifically, in the horizontal direction, multiple sets of buffer bearings are installed on the front, rear, and left and right sides of the upper foundation. The buffer bearings are fixed on the side supports through shock-isolation supports and bolt plates. The spring and the shock-absorbi...

Embodiment 2

[0057] In another typical embodiment of the present application, a method for constructing a separated foundation as described in Embodiment 1 is also provided.

[0058] Include the following steps:

[0059] First, the lower foundation 10 adopts reinforced concrete material and the soil body 6 to be poured on site as a whole. When pouring the lower foundation, the first backing plate 9 is pre-embedded on the top surface of the lower foundation, and the second backing plate is placed on the first backing plate 9. 7. Install the shock-isolation support 8 on the second backing plate 7; place 4-8 groups of shock-isolation supports according to actual needs;

[0060] Then, on the support, the prefabricated upper foundation 5 (the upper foundation 5 can also be cast on site) is placed in place, and the soil around the foundation connects the side plate 1 (thickness 2-3cm) with the soil through the anchor bolt 3. body fixed.

[0061] Set detachable bolt plates 3 at the correspondin...

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Abstract

The present application discloses a separate foundation with shock-absorbing and isolation functions, including an upper foundation, a lower foundation and side supports, the lower foundation is located directly below the upper foundation, and is connected to the upper foundation through a first shock-isolation support , the seismic isolation bearing is used to support the upper foundation and absorb horizontal and vertical loads; the side support includes a side plate and a plurality of buffer bearings surrounding the circumference of the upper foundation, and the side plates pass through the buffer support in turn The base and the second shock-isolation support are connected to the side of the upper foundation, and the buffer support and the second shock-isolation support support the side of the upper foundation to absorb the tension and compression stress in the horizontal direction of the upper foundation, and to reduce the shock-isolation function. Directly supported on the foundation, the building only needs to be built on this foundation to achieve the effect of shock absorption and isolation. This separate foundation overcomes the traditional independent foundation that is too large to achieve all-round shockproof effects.

Description

technical field [0001] The application relates to a detached foundation with functions of shock absorption and isolation. Background technique [0002] The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art. [0003] Earthquakes are one of the most serious natural disasters faced by mankind. Many major earthquakes in history have caused major damage to bridges, building structures and other infrastructure, resulting in heavy casualties and huge economic losses. my country is one of the countries with the most serious earthquake disasters in the world. Therefore, how to improve the level of earthquake resistance and develop insulation-reducing Structures and devices with seismic function have become the focus of research in the field of earthquake engineering in my country. The ground vibration caused by the seismic wave is transmitted to the superstructure through the foundation, ca...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D27/00E02D27/12E02D31/08
CPCE02D27/00E02D27/12E02D31/08
Inventor 刘春城朱博文
Owner NORTHEAST DIANLI UNIVERSITY
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