CN109610669A - A kind of Self-resetting seismic isolation structure system preventing Seismic Isolation of Isolation Layer tension - Google Patents
A kind of Self-resetting seismic isolation structure system preventing Seismic Isolation of Isolation Layer tension Download PDFInfo
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- CN109610669A CN109610669A CN201811626129.8A CN201811626129A CN109610669A CN 109610669 A CN109610669 A CN 109610669A CN 201811626129 A CN201811626129 A CN 201811626129A CN 109610669 A CN109610669 A CN 109610669A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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Abstract
A kind of Self-resetting seismic isolation structure system preventing Seismic Isolation of Isolation Layer tension, belongs to structural engineering shock insulation field.The present invention is arranged oblique reinforcements in structure articulamentum and supports by the way that vertical prestressing rope is arranged in high-level structure, so that forming a kind of Seismic Isolation of Isolation Layer does not occur the Self-resetting seismic isolation structure system of tension.High-level structure connect by shock isolating pedestal with basis, then vertical prestressing rope is set in high-level structure, anchoring lower ends on the basis of, upper end is connected to structure, and supports in the oblique reinforcement of structure articulamentum setting.The present invention guarantees that tension stress does not occur in Seismic Isolation of Isolation Layer by adjusting vertical prestressing level, and shock isolating pedestal is not in tensile failure phenomenon, to guarantee the structures isolation effect effect under big shake effect；The present invention can break through the scope limitation of specification by adjusting vertical prestressing level, the depth-width ratio of seismic isolation structure system, and the height of isolation structure can continue to increase than the height of general isolation structure.
Description
Technical field
The present invention relates to a kind of Self-resetting seismic isolation structure systems for preventing Seismic Isolation of Isolation Layer tension, belong to Structural Engineering shock insulation neck
Domain.
Background technique
For many high-level structures or plane, the irregular structure in space, it is anti-that it is usually reduced using seismic isolation technology
Shake demand, to improve its quake-resistant safety degree.But such isolation structure is easy to appear Seismic Isolation of Isolation Layer tension under rarely occurred earthquake effect
Situation, such as (1) isolation structure depth-width ratio is bigger, and it is larger to will lead to superstructure horizontal inertial force when earthquake is larger, makes structure
There is deformation of toppling, to make Seismic Isolation of Isolation Layer tension；(2) isolation structure is irregularly arranged, occurs apparent eccentric torsion when earthquake
Effect, so as to cause Seismic Isolation of Isolation Layer tension；(3) vertical seismic action and horizontal earthquake act on simultaneously, and Seismic Isolation of Isolation Layer may be made to be in and stretched
State；Since the tensile capacity of Seismic Isolation of Isolation Layer is very low, shock isolating pedestal may be caused to damage under lesser tensile stress, continue to increase
It can lead to shock isolating pedestal destruction when big, not only influence function of shock insulation, also will affect the safety of structure.
It is general at present to be mainly attached to shock insulation branch by developing various anti-drawing devices to prevent Seismic Isolation of Isolation Layer tension from tension occur
Around seat, there is deformed in tension in limitation Seismic Isolation of Isolation Layer, thus only when anti-drawing device stiffness and strength it is sufficiently large could resisting structure by
Draw deformation.And after high-level structure depth-width ratio increases, in this case it is still possible to draw bad anti-drawing device so as to cause shock insulation damage layer, therefore
The depth-width ratio of structure needs to limit in a certain range.In order to enable the high-level structure of more large ratio of height to width can utilize seismic isolation technology,
Exploitation Seismic Isolation of Isolation Layer does not occur the Novel high-rise seismic isolation structure system of tension, has important meaning to the development of high-level structure seismic isolation technology
Justice.
Summary of the invention
The object of the present invention is to provide a kind of Self-resetting seismic isolation structure system for preventing Seismic Isolation of Isolation Layer tension so that Seismic Isolation of Isolation Layer every
There is not the technical issues of tension in shake support.
To achieve the above object, the present invention adopts the following technical scheme:
A kind of Self-resetting seismic isolation structure system preventing Seismic Isolation of Isolation Layer tension, including high-level structure, shock isolating pedestal, prestressing force
Rope, oblique reinforcement support and basis, high-level structure are fixedly connected by shock isolating pedestal and the basis below high-level structure,
Oblique reinforcement is arranged in articulamentum in high-level structure to support, the setting vertical prestressing rope in high-level structure, under prestressed cable
On the basis of end is anchored at, prestressed cable upper end is fixedly connected on high-level structure.
The high-level structure can be frame structure, shear wall structure, tube structure, can be steel construction or reinforced concrete
Soil structure.
The shock isolating pedestal can be rubber-type shock isolating pedestal, compound shock isolating pedestal or sliding-type shock isolating pedestal；Using
Multiple evenly dispersed arrangements of shock isolating pedestal.
Vertical prestressing rope upper end connecting portion can be any layer among high-level structure, preferably vertical prestressing rope upper end
Connecting portion is connected to the oblique upper end for reinforcing supporting layer.Vertical prestressing rope can uniformly divide for 1 beam centralized arrangement or multi beam
Cloth arrangement.
Oblique reinforcement support reinforcing layer can be 1 layer or multilayer.
Compared with existing seismic isolation technology the present invention has the following advantages and effects:
(1) there is not tension stress in the Seismic Isolation of Isolation Layer of seismic isolation structure system of the present invention, and shock isolating pedestal is not in tensile failure
Phenomenon, to guarantee the structures isolation effect effect under big shake effect.
(2) depth-width ratio of seismic isolation structure system of the present invention can break through the scope limitation of specification, and the height of isolation structure can
Continue to increase with the height than general isolation structure.
(3) seismic isolation structure system self-resetting capability enhancing of the present invention.
(4) simple structure, easy for construction, anti-seismic performance is good.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawing.
Fig. 1 is the positive elevational schematic view for the Self-resetting seismic isolation structure system that the present invention prevents Seismic Isolation of Isolation Layer tension.
Fig. 2 is that enhancement layer of the present invention is located in the middle structural schematic diagram.
Fig. 3 is the structural schematic diagram of vertical prestressing rope distribution arrangement of the present invention.
Appended drawing reference: the oblique reinforcement support of 1- high-level structure, 2- shock isolating pedestal, 3- prestressed cable, 4-, the basis 5-.
Specific embodiment
Below with reference to embodiment, the present invention will be further described, but the present invention and is limited to following embodiment.
Embodiment 1
The Self-resetting seismic isolation structure system for preventing Seismic Isolation of Isolation Layer tension, high-level structure 1 pass through shock isolating pedestal 2 and basis 5
Vertical prestressing rope 3 is arranged in connection in high-level structure, and for anchoring lower ends in basis 5, upper end is connected to high-level structure 1, and is tying
Oblique reinforcement support 4 is arranged in structure articulamentum.
Fig. 1 is the positive elevational schematic view for the Self-resetting seismic isolation structure system that the present invention prevents Seismic Isolation of Isolation Layer tension；Fig. 2 is this hair
Bright enhancement layer is located in the middle structural schematic diagram；Fig. 3 is the structural schematic diagram of vertical prestressing rope distribution arrangement of the present invention.
The present invention overcomes common isolation structure big shake effect under occur Seismic Isolation of Isolation Layer tension damage and destroy after structure not
The problem of energy shock insulation or destruction, controls the load that topples and is less than vertically reset load by increasing enhancement layer and vertical prestressing,
To avoid Seismic Isolation of Isolation Layer from tension stress appearance occur, the safety of shock isolating pedestal is effectively ensured, avoids the tensile device for adding complexity,
Solves the problems, such as high-rise or irregular structure seismic isolation technology.It the composite can be widely applied to the high-level structure to transfinite to depth-width ratio
Or the Seismic Isolation Analysis and design of irregular structure.
Claims (8)
1. a kind of Self-resetting seismic isolation structure system for preventing Seismic Isolation of Isolation Layer tension, which is characterized in that including high-level structure, shock insulation branch
Seat, prestressed cable, oblique reinforcement support and basis, high-level structure are consolidated by the basis below shock isolating pedestal and high-level structure
It is fixed to connect, oblique reinforcement support is set in the articulamentum in high-level structure, vertical prestressing rope is set in high-level structure, in advance
Stress rope anchoring lower ends on the basis of, prestressed cable upper end is fixedly connected on high-level structure.
2. a kind of Self-resetting seismic isolation structure system for preventing Seismic Isolation of Isolation Layer tension described in accordance with the claim 1, which is characterized in that institute
It states high-level structure and is selected from frame structure, shear wall structure, tube structure, material is steel construction or reinforced concrete structure.
3. a kind of Self-resetting seismic isolation structure system for preventing Seismic Isolation of Isolation Layer tension described in accordance with the claim 1, which is characterized in that institute
Stating shock isolating pedestal is rubber-type shock isolating pedestal, compound shock isolating pedestal or sliding-type shock isolating pedestal.
4. a kind of Self-resetting seismic isolation structure system for preventing Seismic Isolation of Isolation Layer tension described in accordance with the claim 1, which is characterized in that perpendicular
It is any layer among structure to prestressed cable upper end connecting portion.
5. a kind of Self-resetting seismic isolation structure system for preventing Seismic Isolation of Isolation Layer tension described in accordance with the claim 1, which is characterized in that tiltedly
It is 1 layer or is multilayer to support reinforcing layer is reinforced.
6. a kind of Self-resetting seismic isolation structure system for preventing Seismic Isolation of Isolation Layer tension described in accordance with the claim 1, which is characterized in that perpendicular
It can be 1 beam centralized arrangement or multi beam distribution arrangement to prestressed cable.
7. a kind of Self-resetting seismic isolation structure system for preventing Seismic Isolation of Isolation Layer tension described in accordance with the claim 1, which is characterized in that adopt
With the evenly dispersed arrangement of multiple shock isolating pedestals.
8. a kind of Self-resetting seismic isolation structure system for preventing Seismic Isolation of Isolation Layer tension described in accordance with the claim 1, which is characterized in that perpendicular
The oblique upper end for reinforcing supporting layer is connected to prestressed cable upper end connecting portion.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811626129.8A CN109610669A (en) | 2018-12-28 | 2018-12-28 | A kind of Self-resetting seismic isolation structure system preventing Seismic Isolation of Isolation Layer tension |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811626129.8A CN109610669A (en) | 2018-12-28 | 2018-12-28 | A kind of Self-resetting seismic isolation structure system preventing Seismic Isolation of Isolation Layer tension |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113958015A (en) * | 2021-10-14 | 2022-01-21 | 北京市建筑设计研究院有限公司 | Structural system for double control of structural vibration and earthquake and design method |
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