CN204475564U - Nuclear power station Police Command Center isolation structure - Google Patents
Nuclear power station Police Command Center isolation structure Download PDFInfo
- Publication number
- CN204475564U CN204475564U CN201420795457.1U CN201420795457U CN204475564U CN 204475564 U CN204475564 U CN 204475564U CN 201420795457 U CN201420795457 U CN 201420795457U CN 204475564 U CN204475564 U CN 204475564U
- Authority
- CN
- China
- Prior art keywords
- isolation
- command center
- police command
- factory building
- power station
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model discloses a kind of nuclear power station Police Command Center isolation structure; it comprises the Seismic Isolation of Isolation Layer between building foundation and ground being arranged on Police Command Center factory building; described Seismic Isolation of Isolation Layer comprises multiple shock isolating pedestal be supported in below Police Command Center powerhouse foundation; Seismic Isolation of Isolation Layer absorbs dissipation seismic energy by the distortion of shock isolating pedestal, protects Upper Structure of Factory Building and internal construction.Compared with prior art, the utility model nuclear power station Police Command Center isolation structure absorbs dissipation seismic energy by arranging Seismic Isolation of Isolation Layer under powerhouse foundation, therefore, it is possible to greatly cut down the geological process passing to Upper Structure of Factory Building and internal construction from ground, while increase factory building antidetonation allowance, make the seismic design of a large amount of systems in factory building, equipment easily through, thus realize the type design of mill construction, system equipment, while significantly cost-saving, shorten design and construction period.
Description
Technical field
The utility model belongs to nuclear power station seismic design field, and more particularly, the utility model relates to a kind of nuclear power station Police Command Center isolation structure.
Background technology
Nuclear power station Police Command Center needs to play the functions such as emergency command, Information issued, rescue after nuclear power station generation major accident.After Fukushima, Japan nuclear accident, each state all improves the seismic design benchmark of nuclear power station Police Command Center, require that it ensures to be not less than the seismic design benchmark of nuclear island factory building, so that when the external disaster such as earthquake cause nuclear island factory building generation major accident, Police Command Center still can ensure that structural integrity, function are normal, guarantees the performance of emergency command function after accident.That is, the ability that Police Command Center resists geological process is preferably higher than nuclear island factory building, and should leave as far as possible many design capacities, to resist contingent super design reference geological process.Obviously, the raising of plant designing benchmark causes the Seismic Design Requirements also corresponding raising of a large amount of system equipment in factory building simultaneously.
What existing nuclear power station Police Command Center resisted geological process employing is tradition " antidetonation " theory, namely by increasing size and the arrangement of reinforcement of structural element (wall, post, beam), improve total rigidity to resist geological process, the system therefore in factory building, equipment etc. also all need to have corresponding shock resistance.Require (resisting the earthquake that intensity is not high) although such design concept can meet conventional seismic design benchmark, the Police Command Center seismic design benchmark requirement that improve after being but difficult to meet Fukushima accident.Reason is to resist high-caliber geological process like this, conventional " antidetonation " design concept can cause the yardstick of civil engineering structure component excessive, especially a large amount of in factory building systems, equipment, all need corresponding raising shock resistance, this not only can roll up the seismic design of system and equipment, identification experiment, time of processing and fabricating and expense, cannot type design be realized and have a strong impact on Police Command Center design and construction period, even also there will be because horizontal earthquake is too high, the problem that equipment de-sign cannot adapt to.
In view of this, necessary provide a kind of contribute to improving nuclear power station Police Command Center shock resistance isolation structure.
Utility model content
The purpose of this utility model is: provide a kind of isolation structure contributing to improving nuclear power station Police Command Center shock resistance, to increase the antidetonation allowance of Police Command Center mill construction, make a large amount of systems in factory building simultaneously, the seismic design of equipment is easy to reach seismic design benchmark.
In order to realize above-mentioned utility model object, the utility model provides a kind of nuclear power station Police Command Center isolation structure, it comprises the Seismic Isolation of Isolation Layer between building foundation and ground being arranged on Police Command Center factory building, described Seismic Isolation of Isolation Layer comprises multiple shock isolating pedestal be supported in below Police Command Center powerhouse foundation, Seismic Isolation of Isolation Layer absorbs dissipation seismic energy by the distortion of shock isolating pedestal, protects Upper Structure of Factory Building and internal construction; Each shock isolating pedestal described comprises the isolation cushion that a shock insulation pillar and are positioned at shock insulation post top portion, and shock insulation pillar is concrete pillar, and isolation cushion is rubber vibration isolation cushion.
One as the utility model nuclear power station Police Command Center isolation structure is improved, the minimum number N of described shock isolating pedestal utilizes formula N=G/P to determine according to load G, wherein, load G is the weight sum of factory building and all internal constructions thereof, P is shock isolating pedestal basic side pressure, according to actual needs value between 10 ~ 15MPa.
One as the utility model nuclear power station Police Command Center isolation structure is improved, the number of described shock isolating pedestal can set up one or more test shock isolating pedestal on the basis of minimum number N, and test shock isolating pedestal is under same pressure and ambient conditions with other shock isolating pedestals.
One as the utility model nuclear power station Police Command Center isolation structure is improved, and the height of described Seismic Isolation of Isolation Layer is not less than 2m.
One as the utility model nuclear power station Police Command Center isolation structure is improved, below the main vertical member that described shock isolating pedestal is arranged in Upper Structure of Factory Building and span compared with below the floor centre position of big room, its particular location need ensure that the center of rigidity of Seismic Isolation of Isolation Layer and mass centre's eccentricity of factory building and internals thereof are less than 5%.
One as the utility model nuclear power station Police Command Center isolation structure is improved, and described rubber vibration isolation cushion comprises band lead for retractable pencil and is not with lead for retractable pencil two kinds.
One as the utility model nuclear power station Police Command Center isolation structure is improved, described band lead for retractable pencil isolation cushion more than 80% is arranged in the corresponding position of factory building four perisporium, and the isolation cushion more than 80% not with lead for retractable pencil is arranged in the below of wall in the middle part of factory building and span compared with below the floor centre position of big room.
One as the utility model nuclear power station Police Command Center isolation structure is improved, and the position of described shock isolating pedestal makes the stress difference of each isolation cushion under gravity load be less than 20%.
One as the utility model nuclear power station Police Command Center isolation structure is improved, and described shock isolating pedestal is built in the foundation pit of Police Command Center factory building, arranges base plate, sidewall arranges retaining wall at the bottom of the hole of foundation pit.
One as the utility model nuclear power station Police Command Center isolation structure is improved, and leaves shock insulation and stitch between described foundation pit and shock isolating pedestal, powerhouse foundation, and the top of shock insulation seam is coated with concrete cover.
Compared with prior art, the utility model nuclear power station Police Command Center isolation structure absorbs dissipation seismic energy by arranging Seismic Isolation of Isolation Layer under powerhouse foundation, therefore, it is possible to greatly cut down the geological process passing to Upper Structure of Factory Building and internal construction from ground, while increase factory building antidetonation allowance, make the seismic design of a large amount of systems in factory building, equipment easily through, thus realize the type design of mill construction, system equipment, while significantly cost-saving, shorten design and construction period.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model nuclear power station Police Command Center isolation structure and beneficial effect thereof are described in detail.
Fig. 1 is the plane structure schematic diagram of nuclear power station Police Command Center factory building.
Fig. 2 is the cross-sectional view of the utility model nuclear power station Police Command Center isolation structure and factory building.
Fig. 3 is that the shock isolating pedestal of an embodiment of the utility model nuclear power station Police Command Center isolation structure arranges schematic diagram.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and Advantageous Effects thereof more clear, below in conjunction with the drawings and specific embodiments, the utility model is further elaborated.Should be understood that, the detailed description of the invention described in this manual is only used to explain the utility model, is not intended to limit the utility model.
Refer to Fig. 1 and Fig. 2, the factory building 10 of nuclear power station Police Command Center comprises ground 12, is built in the Upper Structure of Factory Building 14 on ground 12 and is built in the internal construction such as system and equipment 16 in factory building.The plane of factory building 10 is rectangular, long 38.1m, wide 20.1m, and superstructure 14 is shear wall structures of plane rule.The utility model nuclear power station Police Command Center isolation structure is by being arranged between the building foundation of Police Command Center factory building 10 and ground 12, having the Seismic Isolation of Isolation Layer of deformation buffer ability; absorb dissipation seismic energy; abatement passes to the geological process of factory building 10, thus protects factory building 10.
Seismic Isolation of Isolation Layer is built in the foundation pit 18 offered on Police Command Center factory building basis, and comprise multiple shock isolating pedestal 20 be built at the bottom of foundation pit, all shock isolating pedestal 20 common support have supported the total weight of factory building 10 in the below of powerhouse foundation 12.In order to ensure the stability that shock isolating pedestal 20 and factory building 10 are built, at the bottom of the hole of foundation pit 16 and sidewall be all equipped with concrete panel 180,182, wherein, concrete panel 180 is as base plate, and concrete panel 182 is as retaining wall.
Each shock isolating pedestal 20 all comprises the isolation cushion 24 that a shock insulation pillar 22 and are positioned at shock insulation pillar 22 top.Shock insulation pillar 22 is concrete pillars; Isolation cushion 24 is rubber vibration isolation cushion, in actual use, can arrange lead for retractable pencil therein or not establish lead for retractable pencil, be normally with lead for retractable pencil and not with lead for retractable pencil two kinds with the use of, specification is generally then 500mm diameter and 600mm diameter two kinds.
The minimum number N of shock isolating pedestal 20 can utilize formula N=G/P to determine according to load G, and wherein, load G is the weight sum of factory building 10 and all internal constructions 16 thereof, and P is shock isolating pedestal basic side pressure, generally value in 10 ~ 15MPa; But, for the ease of follow-up test and study, in Seismic Isolation of Isolation Layer, one or more test shock isolating pedestal 20 can be set up, under these test shock isolating pedestals 20 are in same pressure and ambient conditions with other shock isolating pedestals 20 toward contact.In order to make Seismic Isolation of Isolation Layer have enough height and space for the maintenance of shock isolating pedestal 20 and replacing, the height of Seismic Isolation of Isolation Layer is set to be not less than 2m.
Target due to shock design enables nuclear power station Police Command Center bear the geological process of ground level to peak acceleration 0.3g, after shock insulation, system first extends to more than 2.0s natural vibration period, and the maximum displacement of Seismic Isolation of Isolation Layer under geological process to control within 250mm (0.55 times of diameter of rubber vibration isolation cushion 24 and 3 times of rubber vibration isolation cushion 24 thickness within), therefore in order to improve isolating affection, the concrete layout of shock isolating pedestal 20 needs to follow following principle:
1) shock isolating pedestal 20 is arranged in the corresponding position of main vertical member (wall, the post) below of Upper Structure of Factory Building 14, but for the larger room of subspan, also shock isolating pedestal 20 is suitably set in the below in floor centre position;
2) for preventing Upper Structure of Factory Building 14 from occurring obviously to reverse under geological process, need the layout by adjusting shock isolating pedestal 20, Seismic Isolation of Isolation Layer center of rigidity is overlapped with the mass centre of its factory building 10 supported as far as possible, and eccentricity is less than 5%;
3) ensure that the stress of each isolation cushion 24 under gravity load is substantially equal as far as possible, difference is within 20%;
4) in order to improve the torsional rigidity of factory building, need corresponding position band lead for retractable pencil bearing being preferentially arranged in factory building 10 4 perisporium, utilize its yield force to resist wind load simultaneously, make band bearing with lead core 20 yield force summation be greater than more than 1.7 times of wind load design load and be advisable.
In addition, the shock insulation leaving suitable size between foundation pit 18 and shock isolating pedestal 20, powerhouse foundation 12 stitches 184.Conveniently floor traffic and invariably foundation ditch 18 intake, shock insulation seam 184 top be coated with concrete cover 19.
Refer to Fig. 3, for the emergency command factory building of domestic a certain nuclear power station, according to its scale, the basic side pressure P of setting shock isolating pedestal is 10MPa, and what utilize formula N=G/P to calculate required shock isolating pedestal 20 adds up to 43.These shock isolating pedestals 20 comprise the band lead for retractable pencil bearing 20a of 7 diameter 600mm, the band lead for retractable pencil bearing 20b of 17 diameter 500mm, 3 diameter 600mm be not with lead for retractable pencil bearing 20d not with lead for retractable pencil bearing 20c and 16 diameter 500mm.Wherein, the overwhelming majority band lead for retractable pencil bearing 20a, 20b are arranged in the below of factory building 10 4 perisporium, only have the band lead for retractable pencil bearing 20b of only a few diameter 500mm to be arranged in the below of wall in the middle part of factory building 10; Be not with lead for retractable pencil bearing 20c, 20d then contrary, major part is arranged in the below of wall in the middle part of factory building 10, only has the below not being arranged in factory building 10 perisporium with lead for retractable pencil bearing 20d of a diameter 500mm; What it should be noted that several diameter 500mm is not be arranged in span compared with below the floor centre position of big room with lead for retractable pencil bearing 20d.After testing, in arrangement shown in Fig. 3, the mass centre of factory building 10 and Seismic Isolation of Isolation Layer center of rigidity eccentricity are 1.6% < 5%, under gravity load effect, the difference of shock isolating pedestal 20a, 20b, 20c, 20d stress is within 20%, and the yield force sum of band bearing with lead core 20a, 20b is greater than 2 times of wind load design load; Shock isolating pedestal 20a, 20b, 20c, 20d are all in pressured state under geological process, and minimum compression is greater than 1MPa, and the maximum horizontal displacement of Seismic Isolation of Isolation Layer under geological process is 225mm.Visible, the satisfactory shockproof requirements meeting nuclear power station Police Command Center of such design.
Known by describing above; the utility model nuclear power station Police Command Center isolation structure is by arranging at powerhouse foundation the Seismic Isolation of Isolation Layer that one deck has deformation buffer ability for 12 times; absorb dissipation seismic energy; therefore, it is possible to greatly cut down the geological process passing to Upper Structure of Factory Building 14 and internal construction 16 from ground 12, realize the protection to factory building 10.Compared with prior art, the utility model nuclear power station Police Command Center isolation structure not only increases the antidetonation allowance of factory building 10, more make the seismic design of a large amount of systems in factory building 10, equipment easily through, thus realize the type design of mill construction, system equipment, while significantly cost-saving, shorten design and construction period.
The announcement of book and instruction according to the above description, the utility model those skilled in the art can also carry out suitable change and amendment to above-mentioned embodiment.Therefore, the utility model is not limited to detailed description of the invention disclosed and described above, also should fall in the protection domain of claim of the present utility model modifications and changes more of the present utility model.In addition, although employ some specific terms in this manual, these terms just for convenience of description, do not form any restriction to the utility model.
Claims (10)
1. a nuclear power station Police Command Center isolation structure, it is characterized in that: comprise the Seismic Isolation of Isolation Layer between building foundation and ground being arranged on Police Command Center factory building, described Seismic Isolation of Isolation Layer comprises multiple shock isolating pedestal be supported in below Police Command Center powerhouse foundation, Seismic Isolation of Isolation Layer absorbs dissipation seismic energy by the distortion of shock isolating pedestal, protects Upper Structure of Factory Building and internal construction; Each shock isolating pedestal described comprises the isolation cushion that a shock insulation pillar and are positioned at shock insulation post top portion, and shock insulation pillar is concrete pillar, and isolation cushion is rubber vibration isolation cushion.
2. nuclear power station Police Command Center isolation structure according to claim 1, it is characterized in that: the minimum number N of described shock isolating pedestal utilizes formula N=G/P to determine according to load G, wherein, load G is the weight sum of factory building and all internal constructions thereof, P is shock isolating pedestal basic side pressure, according to actual needs value between 10 ~ 15MPa.
3. nuclear power station Police Command Center isolation structure according to claim 2, it is characterized in that: the number of described shock isolating pedestal can set up one or more test shock isolating pedestal on the basis of minimum number N, and test shock isolating pedestal is under same pressure and ambient conditions with other shock isolating pedestals.
4. nuclear power station Police Command Center isolation structure according to claim 1, is characterized in that: the height of described Seismic Isolation of Isolation Layer is not less than 2m.
5. nuclear power station Police Command Center isolation structure according to claim 1, it is characterized in that: below the main vertical member that described shock isolating pedestal is arranged in Upper Structure of Factory Building and span compared with below the floor centre position of big room, its particular location need ensure that the center of rigidity of Seismic Isolation of Isolation Layer and mass centre's eccentricity of factory building and internals thereof are less than 5%.
6. nuclear power station Police Command Center isolation structure according to claim 1, is characterized in that: described rubber vibration isolation cushion comprises band lead for retractable pencil and is not with lead for retractable pencil two kinds.
7. nuclear power station Police Command Center isolation structure according to claim 6, it is characterized in that: described band lead for retractable pencil isolation cushion more than 80% is arranged in the corresponding position of factory building four perisporium, the isolation cushion more than 80% not with lead for retractable pencil is arranged in the below of wall in the middle part of factory building and span compared with below the floor centre position of big room.
8. nuclear power station Police Command Center isolation structure according to claim 6, is characterized in that: the position of described shock isolating pedestal makes the stress difference of each isolation cushion under gravity load be less than 20%.
9. nuclear power station Police Command Center isolation structure according to claim 1, is characterized in that: described shock isolating pedestal is built in the foundation pit of Police Command Center factory building, arranges base plate, sidewall arranges retaining wall at the bottom of the hole of foundation pit.
10. nuclear power station Police Command Center isolation structure according to claim 9, is characterized in that: leave shock insulation between described foundation pit and shock isolating pedestal, powerhouse foundation and stitch, and the top of shock insulation seam is coated with concrete cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420795457.1U CN204475564U (en) | 2014-12-15 | 2014-12-15 | Nuclear power station Police Command Center isolation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420795457.1U CN204475564U (en) | 2014-12-15 | 2014-12-15 | Nuclear power station Police Command Center isolation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204475564U true CN204475564U (en) | 2015-07-15 |
Family
ID=53631366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420795457.1U Active CN204475564U (en) | 2014-12-15 | 2014-12-15 | Nuclear power station Police Command Center isolation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204475564U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105672736A (en) * | 2016-03-25 | 2016-06-15 | 上海核工程研究设计院 | Nuclear power plant integral seismic isolation device for |
-
2014
- 2014-12-15 CN CN201420795457.1U patent/CN204475564U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105672736A (en) * | 2016-03-25 | 2016-06-15 | 上海核工程研究设计院 | Nuclear power plant integral seismic isolation device for |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101806097A (en) | Tensile prestress rubber earthquake isolation support | |
| CN102900153B (en) | Three-dimensional lead extrusion bearing capable of insulating shock and dissipating energy | |
| Pan et al. | Engineering practice of seismic isolation and energy dissipation structures in China | |
| CN201778394U (en) | Prestress rubber support seat | |
| CN201306028Y (en) | Building shock insulation rubber support | |
| CN203320395U (en) | X-shaped metal shock-absorbing device applicable to bridge structures and with limiting capability | |
| CN202073031U (en) | Multi-dimensional damping separation lead-core rubber support | |
| CN204000589U (en) | High-damping rubber core shock insulation rubber bearing | |
| CN103276829A (en) | Shock-insulation supporting base composed of steel board rubber, mild steel and lead and capable of achieving three-stage energy consumption | |
| CN204326118U (en) | Nuclear power station Police Command Center antidetonation buffer structure | |
| CN103233526A (en) | Reinforcement layer with variable damping | |
| CN102433934A (en) | Automatic-resetting multidirectional earthquake isolating bearing with C-type steel plates combined in form of Chinese character 'Mi' | |
| CN104452975A (en) | Vertical shock insulation support and manufacturing method thereof | |
| CN102767237A (en) | Fiber and polytetrafluoroethylene plate rubber combined shock insulation support | |
| CN204475564U (en) | Nuclear power station Police Command Center isolation structure | |
| CN205207513U (en) | Vertical shock insulation support | |
| CN101864774B (en) | Vibration-isolating rubber cushion with adjustable rigidity | |
| CN201962801U (en) | Shock-reducing and isolating rubber support of steel-lead combined core | |
| CN204282201U (en) | Drag-line arc-shaped steel damping combined shock absorption ball steel support | |
| CN204162994U (en) | Arc-shaped steel damping ball steel support | |
| CN101839026A (en) | Package-type rubber vibration isolation cushion with limit function | |
| Talikoti et al. | Base isolation in seismic structural design | |
| CN202370097U (en) | Shock-isolating support of rubber pad of buckling-restrained brace | |
| CN206477244U (en) | A kind of bridge seismic isolation device | |
| CN102041775B (en) | Steel-lead combined core vibration-isolating rubber support |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |