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Novel seismic isolation trench cover structure

A trench cover, seismic isolation technology, applied in infrastructure engineering, seismic, building components, etc., can solve the problem of reducing the seismic isolation effect, the width of the horizontal isolation joint is not easy to ensure, etc., to improve the waterproof and drainage capacity, the friction coefficient is small , The effect of meeting waterproof requirements

Pending Publication Date: 2019-08-06
马智刚
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  • Summary
  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

The conventional seismic isolation ditch cover plate of the general base isolation building adopts the method of cantilevering the concrete slab from the main structure. Due to the vertical deformation of the concrete slab, the width of the horizontal isolation joint is not easy to ensure, and there is difficulty in handover with the ground, which is not handled well. Will limit the horizontal deformation of the superstructure, greatly reducing the seismic isolation effect

Method used

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  • Novel seismic isolation trench cover structure

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Embodiment 1

[0028] refer to figure 1 , in the embodiment of the present invention, a new type of seismic isolation ditch cover structure, including a building main body 2 and a building finish surface, the outer side of the building main body 2 is provided with a seismic isolation ditch outer wall 1, and the building main body 2 and the seismic isolation ditch The distance between the outer walls 1 is greater than 300 mm, and the upper end of the outer wall 1 of the isolation ditch is provided with a rubber pad 7, the thickness of which is 30 mm, and the upper end of the rubber pad 7 is provided with a cover plate 6 for the isolation ditch. The oblique contact angle between the cover plate 6 and the finished building surface is 150°. The thickness of the seismic isolation ditch cover plate 6 is 50mm, and the two-way D8@150 single-layer steel mesh is installed inside. The upper end of the seismic isolation ditch cover plate 6 is set There is a building surface layer 5, and the seismic isol...

Embodiment 2

[0030] In another embodiment of the present invention, the difference between this embodiment and the above embodiment is that the gap between the seismic isolation ditch cover plate 6 and the finished building surface is filled with caulking glue 4 .

[0031] The working principle of the present invention is: the 50mm thick seismic isolation ditch cover plate 6 takes root from the main structure, the concrete strength grade is C30, and the two-way D8@150 single-layer steel mesh is equipped inside, and the end of the 50mm seismic isolation ditch cover plate 6 passes through a 30mm thick channel. Long rubber pad 7 support, rubber pad 7 has weak lateral stiffness, and can be easily deformed horizontally. The end of the 50mm thick cover plate is in oblique contact with the finished building surface, with an inclination angle of 150 degrees. Place a 5mm full-length stainless steel plate on the finished building slope 3. The friction coefficient of the stainless steel plate 3 is sma...

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Abstract

The invention discloses a novel seismic isolation trench cover structure, and belongs to the technical field of a seismic isolation trench cover structure. The novel seismic isolation trench cover structure includes a building main body and a building finished surface, a seismic isolation ditch external wall is arranged on the outer side of the building main body, a rubber pad is arranged at the upper end of the outer wall of the seismic isolation ditch external wall, the upper end of the rubber pad is provided with a seismic isolation ditch cover plate, the upper end of the seismic isolationditch cover plate is provided with a building surface layer, an inclined contact is formed between the seismic isolation trench cover plate and the building finished surface, and a stainless steel panel is arranged on the inclined surface of the building finished surface. According to the novel seismic isolation trench cover structure, because of a small size, bearing capacity can satisfy structural requirements, but deformation capacity is greatly enhanced; when an earthquake happens, because of the single-layer reinforcement of the cover plate, large yield deformation capacity is possessed,during the contact with the stainless steel on the floor of a building, due to the small friction coefficient of the stainless steel, horizontal deformation is prone to being achieved, and the reliability of a seismic isolation building is improved; the waterproof requirement can be satisfied, and in the case of the earthquake, horizontal deformation capacity of the structure is not affected; andwaterproof and drainage capacity of the building is improved.

Description

technical field [0001] The invention relates to the technical field of earthquake-isolation building structures, in particular to a novel earthquake-isolation ditch cover plate structure. Background technique [0002] my country is a country with high incidence of earthquakes. Many earthquakes, wide distribution, high intensity, shallow focus and heavy disasters are one of the basic national conditions of our country. Taking anti-seismic measures to improve the anti-seismic ability of buildings is the fundamental way to reduce casualties, economic losses and social impact. Structural seismic isolation is to install a seismic isolation layer between the upper structure and the foundation of the building or between the upper structure and the lower structure. During the transmission of the energy generated by the earthquake to the upper structure, most of the energy is absorbed by the flexible isolation layer. A small part is passed to the superstructure. A large number of t...

Claims

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Application Information

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IPC IPC(8): E02D31/08E04B1/98E04H9/02
CPCE02D31/08E04H9/021
Inventor 马智刚
Owner 马智刚
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