CN107313562A - A kind of armored concrete quakeproof stair with damping system - Google Patents
A kind of armored concrete quakeproof stair with damping system Download PDFInfo
- Publication number
- CN107313562A CN107313562A CN201710680126.1A CN201710680126A CN107313562A CN 107313562 A CN107313562 A CN 107313562A CN 201710680126 A CN201710680126 A CN 201710680126A CN 107313562 A CN107313562 A CN 107313562A
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- CN
- China
- Prior art keywords
- shaped steel
- slideway
- slab
- armored concrete
- waist slab
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- 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.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
- E04F11/022—Stairways; Layouts thereof characterised by the supporting structure
-
- 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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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The present invention relates to a kind of staircase structure, a kind of armored concrete quakeproof stair with damping system is particularly disclosed.This carries the armored concrete quakeproof stair of damping system, including the landing slab and waist slab of handing-over up and down, it is characterised in that：The landing slab end is provided with the bridging piece of handing-over waist slab, bridging piece bottom is provided with the terraced beam of linking waist slab upper end, bridging piece upper surface is evenly arranged with the shaped steel slideway that several run direction arrangement along ladder, and waist slab bottom is provided with the pre-buried shaped steel of correspondence shaped steel slideway；Shaped steel slideway both sides are provided with slideway side steel plate, and are being provided at both ends with slideway end steel plate, and shaped steel slideway two ends are placed with damping spring；Shaped steel slideway and pre-buried shaped steel composition sliding support.Simple in construction, easy construction of the invention, the risk that waist slab comes off because horizontal vibrating is excessive when can be prevented effectively from big shake mitigates destruction of the earthquake to stair agent structure.
Description
（One）Technical field
The present invention relates to a kind of staircase structure, more particularly to a kind of armored concrete quakeproof stair with damping system.
（Two）Background technology
China is the multiple country of an earthquake, according to《Seismic design of structures specification》Regulation, at present the whole nation more than 70% ground
Area's basic earthquake intensity at 6 degree and more than.Important escape way when stair are as earthquake, if without preferable shock resistance
Can, during earthquake especially big shake when, it is difficult to ensure the rapid escape and rescue of personnel, do not have the effect of safety island.
In order to reduce the influence of waist slab this diagonal supporting member to agent structure especially frame structure, current latest edition building
The flat Fatou set of ladder uses the form of sliding support for antidetonation stair, separates waist slab lower end and landing slab, on the ground of contact
Fang Caiyong flexible materials, make it freely slidable in earthquake.This way drawback is：Exactly because can slidably,
So in big shake, waist slab is very likely excessive due to horizontal vibration deformation, is come off from the landing slab of support waist slab, from
And the destruction of stair is more exacerbated, do not reach the target of " no collapsing with strong earthquake " of providing fortification against earthquakes.Meanwhile, because seismic direction is uncertain
Property, stair be both possible to run direction landing along ladder, it is also possible to run vertical direction along ladder and laterally slide.
In the prior art, Publication No. CN104278803A patent discloses a kind of reinforced concrete stairs and slides branch
Seat, wherein the spacing of bench width has been carried out, but stair still have the risk that direction landing is run along ladder；Publication No.
CN103266727A patent discloses a kind of armored concrete quakeproof stair and construction method, and it has carried out running direction along ladder
It is spacing, but waist slab still have from laterally along stairway width direction slide risk.So far, ladder is not taken into account simultaneously
Lateral Displacement of the section plate in rarely occurred earthquake and the spacing technical patent along ladder race direction, are yet damped not over setting
Device mitigates the patent application and mandate of the destruction of staircase boards agent structure from the angle of seismic energy is absorbed.
（Three）The content of the invention
The present invention in order to make up the deficiencies in the prior art there is provided a kind of simple in construction, easy construction, shock strength is high carries
The armored concrete quakeproof stair of damping system.
The present invention is achieved through the following technical solutions：
A kind of armored concrete quakeproof stair with damping system, including the landing slab and waist slab of handing-over, its feature up and down
It is：The landing slab end is provided with the bridging piece of handing-over waist slab, and bridging piece bottom is provided with the terraced beam of linking waist slab upper end,
Bridging piece upper surface is evenly arranged with the shaped steel slideway that several run direction arrangement along ladder, and waist slab bottom is provided with correspondence shaped steel and slided
The pre-buried shaped steel in road；Shaped steel slideway both sides are provided with slideway side steel plate, and are being provided at both ends with slideway end steel plate, shaped steel slideway two
End is placed with damping spring；Shaped steel slideway and pre-buried shaped steel composition sliding support.
The present invention arranges pre-buried shaped steel by using in waist slab lower end, and a pre-buried shaped steel part extends to landing slab and chosen
In the shaped steel slideway of plate, waist slab can so be carried out simultaneously laterally running the spacing of direction with ladder along waist slab, solved
During coming earthquake, waist slab slides problem caused by vibrations；In addition, by arranging damping spring in shaped steel slideway, absorbing ground
Energy is shaken, mitigates destruction of the seismic shock to stair main body by way of energy-dissipating and shock-absorbing.
The present invention more excellent technical scheme be：
The bottom of the shaped steel slideway is equipped with friction reducing material, and the preferred graphite powder of friction reducing material is easy to reduce shaped steel slideway
Coefficient of friction.
The upper surface of the bridging piece is fixed by flat head screw in the place without arrangement shaped steel slideway and lays flexible material
Material, flexible material preferably polytetrafluoroethylene plate is easy in earthquake waist slab slidably.
Simple in construction, easy construction of the invention, when can be prevented effectively from big shake waist slab due to horizontal vibrating it is excessive and along ladder
Direction and the risk laterally come off are run, and seismic energy is absorbed by damping spring, mitigates earthquake and stair agent structure is broken
It is bad, influence of the stair to agent structure lateral rigidity is reduced, suitable for wide popularization and application.
（Four）Brief description of the drawings
The present invention is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is agent structure schematic diagram of the invention；
Fig. 2 is the stair floor map that absolute altitude shown in Fig. 1 is P；
Fig. 3 is the B-B faces diagrammatic cross-section shown in Fig. 2；
Fig. 4 is the floor map of bridging piece of the present invention；
Fig. 5 is the floor map of shaped steel slideway of the present invention；
Fig. 6 is the partial 3-D schematic perspective view of sliding support of the present invention.
In figure, 1 sliding support, 2 waist slabs, 3 terraced beams, 4 shaped steel slideways, 5 landing slabs, 6 pre-buried shaped steel, 7 slideway side steel plates,
8 slideway end steel plates, 9 damping springs, 10 bridging pieces, 11 flexible materials, 12 flat head screws.
（Five）Embodiment
Accompanying drawing is a kind of specific embodiment of the invention.The embodiment includes the landing slab 5 and waist slab 2 joined up and down, described
The end of landing slab 5 is provided with the bridging piece 10 of handing-over waist slab 2, and the bottom of bridging piece 10 is provided with the terraced beam 3 of linking waist slab 2 upper end,
The upper surface of bridging piece 10 is evenly arranged with the shaped steel slideway 4 that several run direction arrangement along ladder, and the bottom of waist slab 2 is provided with correspondence type
The pre-buried shaped steel 6 of steel slideway 4；The both sides of shaped steel slideway 4 are provided with slideway side steel plate 7, and are being provided at both ends with slideway end steel plate 8,
The two ends of shaped steel slideway 4 are placed with damping spring 9；Shaped steel slideway 4 and the composition sliding support 1 of pre-buried shaped steel 6.
As shown in Figure 1, the present invention uses the form of sliding support 1 in waist slab 2 and the junction of landing slab 5.Press first
According to arranging suitable shaped steel slideway in the bridging piece 10 of landing slab 5 according to stair waist slab developed width shown in accompanying drawing 2 and accompanying drawing 4
4, the bottom of shaped steel slideway 4, which can spread one layer of graphite powder etc., can reduce the friction reducing material of coefficient of friction.This example Shaped Steel slideway 4
Three are arranged, but can increase and reduce according to developed width size during actual use.As shown in accompanying drawing 3, Fig. 4, choosing
The upper surface of plate 10, in the place without arrangement shaped steel slideway 4, arranges a kind of flexible material 11（Preferably polytetrafluoroethylene plate）,
It is easy to the lower end of waist slab 2 can be slidably.The structure of shaped steel slideway 4 refers to accompanying drawing 5, and slideway is arranged in the both sides of shaped steel slideway 4
Side steel plate 7, is displaced sideways for limiting pre-buried shaped steel 6 along waist slab；The larger slideway of rigidity is welded in the end of shaped steel slideway 4
Steel plate 8 is held, Direction distortion is excessive is fallen from slideway along ladder race for limiting pre-buried shaped steel 6.Placed at the two ends of shaped steel slideway 4
Damping spring 9, when rarely occurred earthquake, is embedded in the pre-buried shaped steel 6 of the lower end of waist slab 2 because horizontal earthquake action makes it with ladder
Section plate 2 is slided in shaped steel slideway 4 together, when reaching that certain deformation is contacted with damping spring 9, can pass through damping spring
9 absorb most of seismic energy, so as to mitigate stair destruction.Marked time the interior Shaped Steel of same bridging piece 10 in the lower end first order of waist slab 2
The corresponding position of slideway 4 is pre-buried to have welded the larger pre-buried shaped steel 6 of preferable, rigidity, and pre-buried shaped steel 6 is as shown in Figure 6.
The present invention arranges pre-buried shaped steel 6 by using in the lower end of waist slab 2, and the part of pre-buried shaped steel 6 extends to platform
In the shaped steel slideway 4 of the bridging piece 10 of plate 5, waist slab 2 can so be carried out simultaneously running direction along ladder and waist slab laterally enters
Row is spacing, is unlikely in rarely occurred earthquake, waist slab 2 slides, it is to avoid waist slab 2 comes off because horizontal vibration is excessive during big shake
Risk.Meanwhile, by arranging damping spring 9 in shaped steel slideway 4, seismic energy is absorbed, is subtracted by way of energy-dissipating and shock-absorbing
The destruction of light stair agent structure, reduces geological process, while reducing influence of the stair to agent structure lateral rigidity.
Claims (5)
1. a kind of armored concrete quakeproof stair with damping system, including the landing slab of handing-over up and down（5）And waist slab
（2）, it is characterised in that：The landing slab（5）End is provided with handing-over waist slab（2）Bridging piece（10）, bridging piece（10）Bottom is set
It is equipped with linking waist slab（2）The terraced beam of upper end（3）, bridging piece（10）Upper surface is evenly arranged with several and runs direction arrangement along ladder
Shaped steel slideway（4）, waist slab（2）Bottom is provided with correspondence shaped steel slideway（4）Pre-buried shaped steel（6）；Shaped steel slideway（4）Both sides are set
It is equipped with slideway side steel plate（7）, and it is being provided at both ends with slideway end steel plate（8）, shaped steel slideway（4）Two ends are placed with damping spring
（9）；Shaped steel slideway（4）With pre-buried shaped steel（6）Constitute sliding support（1）.
2. the armored concrete quakeproof stair according to claim 1 with damping system, it is characterised in that：The shaped steel
Slideway（4）Bottom be equipped with friction reducing material.
3. the armored concrete quakeproof stair according to claim 1 with damping system, it is characterised in that：The bridging piece
（10）Upper surface it is no arrangement shaped steel slideway（4）Place pass through flat head screw（12）Fixation is equipped with flexible material
（11）.
4. the armored concrete quakeproof stair according to claim 2 with damping system, it is characterised in that：The antifriction
Wiping material is graphite powder.
5. the armored concrete quakeproof stair according to claim 3 with damping system, it is characterised in that：The flexibility
Material（11）For polyfluortetraethylene plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710680126.1A CN107313562A (en) | 2017-08-10 | 2017-08-10 | A kind of armored concrete quakeproof stair with damping system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710680126.1A CN107313562A (en) | 2017-08-10 | 2017-08-10 | A kind of armored concrete quakeproof stair with damping system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107313562A true CN107313562A (en) | 2017-11-03 |
Family
ID=60175215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710680126.1A Withdrawn CN107313562A (en) | 2017-08-10 | 2017-08-10 | A kind of armored concrete quakeproof stair with damping system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107313562A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111779205A (en) * | 2020-07-28 | 2020-10-16 | 内蒙古巨华集团大华建筑安装有限公司 | Prefabricated combined stair and construction method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102619308A (en) * | 2012-03-06 | 2012-08-01 | 北京工业大学 | Reinforced concrete stair with local steel plate type sliding device on support |
| JP2013002240A (en) * | 2011-06-21 | 2013-01-07 | Shimizu Corp | Staircase and building structure |
| CN202731139U (en) * | 2012-07-16 | 2013-02-13 | 苏州市市政工程设计院有限责任公司 | Beam-type staircase with anti-seismic device |
| CN104278803A (en) * | 2014-10-24 | 2015-01-14 | 苏州工业园区设计研究院股份有限公司 | Reinforced concrete stair sliding support |
| CN205243121U (en) * | 2015-12-30 | 2016-05-18 | 山东科技大学 | A isolation bearing that is used for large -span steel room to cover |
| CN106639196A (en) * | 2016-08-31 | 2017-05-10 | 江西建工第建筑有限责任公司 | Construction method for cast-in-place slab staircase with the lower end provided with steel plate sliding support |
| CN207160450U (en) * | 2017-08-10 | 2018-03-30 | 滨州学院 | A kind of armored concrete quakeproof stair with damping system |
-
2017
- 2017-08-10 CN CN201710680126.1A patent/CN107313562A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013002240A (en) * | 2011-06-21 | 2013-01-07 | Shimizu Corp | Staircase and building structure |
| CN102619308A (en) * | 2012-03-06 | 2012-08-01 | 北京工业大学 | Reinforced concrete stair with local steel plate type sliding device on support |
| CN202731139U (en) * | 2012-07-16 | 2013-02-13 | 苏州市市政工程设计院有限责任公司 | Beam-type staircase with anti-seismic device |
| CN104278803A (en) * | 2014-10-24 | 2015-01-14 | 苏州工业园区设计研究院股份有限公司 | Reinforced concrete stair sliding support |
| CN205243121U (en) * | 2015-12-30 | 2016-05-18 | 山东科技大学 | A isolation bearing that is used for large -span steel room to cover |
| CN106639196A (en) * | 2016-08-31 | 2017-05-10 | 江西建工第建筑有限责任公司 | Construction method for cast-in-place slab staircase with the lower end provided with steel plate sliding support |
| CN207160450U (en) * | 2017-08-10 | 2018-03-30 | 滨州学院 | A kind of armored concrete quakeproof stair with damping system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111779205A (en) * | 2020-07-28 | 2020-10-16 | 内蒙古巨华集团大华建筑安装有限公司 | Prefabricated combined stair and construction method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171103 |
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| WW01 | Invention patent application withdrawn after publication |