CN202401777U - Anti-seismic stabilizing and reinforcing structure for building concrete stairs - Google Patents
Anti-seismic stabilizing and reinforcing structure for building concrete stairs Download PDFInfo
- Publication number
- CN202401777U CN202401777U CN2011204617727U CN201120461772U CN202401777U CN 202401777 U CN202401777 U CN 202401777U CN 2011204617727 U CN2011204617727 U CN 2011204617727U CN 201120461772 U CN201120461772 U CN 201120461772U CN 202401777 U CN202401777 U CN 202401777U
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- stair
- screw rod
- prestressing force
- force screw
- bench
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Abstract
The utility model discloses an anti-seismic stabilizing and reinforcing structure for building concrete stairs. The anti-seismic stabilizing and reinforcing structure comprises a prestressed screw, tightening nuts and steel base plates, wherein the prestressed screw is embedded in a wall body and comprises an oblique rod section and a cross rod section; the cross rod section of the prestressed screw is parallel to a stair section of the previous stair; the steel base plates are arranged at an extension end of the cross rod section of the prestressed screw; the tightening nuts are arranged at the end of the extension end of the cross rod section of the prestressed screw; the oblique rod section of the prestressed screw is parallel to a stair section main body where the stair is positioned; the steel base plates are arranged at an extension end of the oblique rod section of the prestressed screw; and the tightening nuts are arranged at the end of the extension end of the oblique rod section of the prestressed screw. A pull rod arranged on one side of a free face connected with the lower stair is arranged on a rest platform, so that the platform opening beams of the rest platform are directly connected with the lower floor.
Description
Technical field
The utility model relates to the stair field of reinforcement, and particularly a kind of building concrete stair antidetonation increases steady ruggedized construction.
Background technology
Along with earth earthquake zone since the new century gets into new cycle of activity, the global earthquakes disaster takes place frequently.Especially the Wenchuan violent earthquake that took place on May 12nd, 2008 has caused tremendous loss, causes the unprecedented vibrations of the whole society, how to guarantee that the structural seismic safety of building is extremely urgent.
Staircase is the access of building, unique passage of crowd evacuation and rescue when also being geological process.Find that according to seimic disaster census a large amount of staircases destructions of having taken place to collapse is caused serious casualties and stopped up fire escape, obstruction personnel escape and rescue.Therefore, can show the staircase of existing building and fail to be formed with the escape and the rescue passage of effect that this life security that ensures the people during to earthquake has stayed huge potential safety hazard.
Think that in earthquake disaster, receive under the lateral seismic effect, the half space plate has received seismic loading as floor intermediate mass system, produced the movement tendency of going out to the building outside.It is the brisance pipeline mainly, is to transmit to lower floor through coupled staristep.But, since half space only half end be connected with the lower floor flooring, platform has received half of constraint to the effect of outwash, makes half space form torsional couple.Like this, owing to the function reason of design and construction, destroy the joint place of the plate of bench up and down that finally occurs in staristep or half space bench beam.Make that the half space beam is cut and turn round and destroy or bench is destroyed by stretch bending.So same, flooring place and half space junction, flooring then should be located under seismic loading in monolateral in this way corridor, also can receive the effect of an outer impulse force, possibly cause destroying.
For this reason, we have proposed building concrete stair antidetonation and have increased steady ruggedized construction.The action principle that it is basic is provided with pull bar through the vacancy beyond that faces that links to each other with lower floor stair at half space, directly half space bench beam and lower floor's flooring is coupled together.Through the effect of stair and pull bar, make half space bench beam receive paired tractive force effect like this, thus at half space when the earthquake outwash is moved, receive effectively retraining, its seismic load can be delivered to lower floor's flooring effectively and get on.Thereby make that the seismic load pipeline of half space is more reasonable, and effectively avoided half space to form torsional couple, strengthen its seismic stability.This has just realized the accurate triangle rock-steady structure of staircase vertical plane.Subordinate's bench and diagonal member, and the entablature beam forms closing structure about the bench.Simultaneously, face the vacancy at upper floor pull bar is set, again flooring and half space are coupled together.In the time of the earthquake effect, the flooring of bench junction has also received the outwash effect like this.Pull bar through the flooring entablature Liang Chu that connects in bench is provided with is passed to half space through drawing effect with the outwash seismic forces, and half space passes to vertical member with seismic forces again, until being delivered to the basis.So, in earthquake repeatedly under the effect of power, half space no matter then, the flooring that still links to each other with bench not meeting is gone out flooring outward.Whole staircase has formed a stable seal force system, and each horizontal member has received constraint effectively, has made force path in order, has strengthened the connection measure.Fundamentally effectively avoided the problem that structural instability is prone to collapse under geological process to occur.
The utility model content
The utility model is provided with pull bar through be provided with the vacancy beyond that faces that links to each other with lower floor stair at half space, directly half space bench beam and lower floor's flooring is coupled together.Through the effect of stair and pull bar, make half space bench beam receive paired tractive force effect like this, thereby when outwash is moved, receive constraint effectively at half space, its seismic load can be delivered to lower floor's flooring effectively and get on.Thereby make that the seismic load pipeline of half space is more reasonable, and effectively avoided half space to form torsional couple, strengthen its seismic stability.Therefore, realized the accurate triangle rock-steady structure of staircase vertical plane.Subordinate's bench and diagonal member, and the entablature beam forms closing structure about the bench, has fundamentally effectively avoided the problem that structural instability is prone to collapse under geological process to occur.
For reaching this purpose; The utility model provides a kind of building concrete stair antidetonation to increase steady ruggedized construction; Comprise the prestressing force screw rod, tighten up nut and billet; Said antidetonation increases steady concrete staircase bracing means and begins to be arranged on continuously between two different stair layers from the stair first floor; Said stair comprise stair main body, platform bench beam and stair bench beam, and said stair main body is arranged between platform bench beam and the stair bench beam, and the stair bench beam of a last floor links to each other with the platform bench beam of next floor:
Said prestressing force screw rod is embedded in the body of wall; The prestressing force screw rod comprises brace section and transverse rod sections; The stair bench beam of said prestressing force screw rod transverse rod sections and last stair parallels, and an end of prestressing force screw rod transverse rod sections links to each other with prestressing force screw rod brace section upper end, and the other end of prestressing force screw rod transverse rod sections stretches out from the stair bench beam of last stair; Said prestressing force screw rod transverse rod sections external part is provided with billet; The said nut that tightens up is installed in prestressing force screw rod transverse rod sections external part termination, and said prestressing force screw rod brace section parallels with the stair main body of place stair, and stretch out from the stair bench beam of place stair said prestressing force screw rod brace section lower end; Said prestressing force screw rod brace section external part is provided with billet, and the said nut that tightens up is installed in prestressing force screw rod brace section external part termination.
Further improvement as the utility model; Said stair main body has 1-3 bar prestressing force screw rod with layer; Through many prestressing force screw rods being set to increase the quake-resistant safety degree of whole stair; Owing to increase the construction cost that the prestressing force screw rod can increase stair, several designs of therefore concrete employing can be selected as required, and wherein 2 numbers of prestressing force screw rod are advisable with 1 to 2.
The utility model is provided with pull bar through be provided with the vacancy beyond that faces that links to each other with lower floor stair at half space, directly half space bench beam and lower floor's flooring is coupled together.Through the effect of stair and pull bar, make half space bench beam receive paired tractive force effect like this, thus at half space when outwash is moved, receive effectively retraining, its seismic load can be delivered to lower floor's flooring effectively and get on.Thereby make that the seismic load pipeline of half space is more direct rationally, and effectively avoided half space to form torsional couple, strengthen its seismic stability.And, realized the accurate triangle rock-steady structure of staircase vertical plane.Subordinate's bench and diagonal member, and the bench beam forms closing structure up and down.Fundamentally effectively avoided structural instability is prone to collapse under geological process problem to occur, and be prestressing force screw rod fluting to be embedded formerly get final product within the walls when realizing, so do not increased difficulty of construction, do not influenced and use and sight, feasibility is strong.
Description of drawings
Fig. 1 is the utility model superstructure sketch map;
Fig. 2 is the utility model substructure sketch map;
Fig. 3 is the utility model central structure sketch map;
Fig. 4 is the utility model stair sectional views;
Fig. 5 is the utility model one deck structure chart;
Fig. 6 is the utility model typical floor structure chart;
Member among the figure is:
1, stair; 1-1, stair main body; 1-2, platform bench beam; 1-3, stair bench beam;
2, prestressing force screw rod; 2-1, brace section; 2-2, transverse rod sections; 3, tighten up nut;
4, billet;
The specific embodiment
Below in conjunction with accompanying drawing and embodiment utility model is done detailed explanation:
The utility model passes through on original stair basis, to increase the prestressing force screw rod, thereby has improved the degree of safety of stair greatly, makes that the stair anti seismic efficiency is better, and geological process is gone downstairs more stable, and the structural seismic characteristic improves.
As a kind of specific embodiment the utility model of this patent structural representation such as Fig. 1, Fig. 2 and shown in Figure 3 are provided; The stair sectional view is as shown in Figure 4; One deck structure chart such as Fig. 5 typical floor structure chart a kind of antidetonation as shown in Figure 6 increases steady concrete staircase bracing means; Comprise prestressing force screw rod 2, tighten up nut 3 and billet 4, said antidetonation increases steady concrete staircase bracing means and begins to be arranged on continuously between two different stair layers from the stair first floor, and said stair 1 comprise stair main body 1-1, platform bench beam 1-2 and stair bench beam 1-3; Said stair main body 1-1 is arranged between platform bench beam 1-2 and the stair bench beam 1-3; The stair bench beam 1-3 of a last floor links to each other with the platform bench beam 1-2 of next floor, and said prestressing force screw rod 2 is embedded in the body of wall, and prestressing force screw rod 2 comprises brace section 2-1 and transverse rod sections 2-2; The stair bench beam 1-3 of said prestressing force screw rod 2 transverse rod sections 2-2 and last stair 1 parallels; The end of prestressing force screw rod 2 transverse rod sections 2-2 links to each other with prestressing force screw rod 2 brace section 2-1 upper end, and the other end of prestressing force screw rod 2 transverse rod sections 2-2 stretches out from the stair bench beam 1-3 of last stair 1, and said prestressing force screw rod 2 transverse rod sections 2-2 external parts are provided with billet 4; The said nut 3 that tightens up is installed in prestressing force screw rod 2 transverse rod sections 2-2 external part terminations; The said prestressing force screw rod 2 brace section 2-1 and the stair main body 1-1 of place stair 1 parallel, and stretch out from the stair bench beam 1-3 of place stair 1 said prestressing force screw rod 2 brace section 2-1 lower ends, and said prestressing force screw rod 2 brace section 2-1 external parts are provided with billet 4; The said nut 3 that tightens up is installed in prestressing force screw rod 2 brace section 2-1 external part terminations; Said stair main body has 1 to 3 prestressing force screw rod 2 with layer, through 1-2 bar prestressing force screw rod 2 being set to increase the shock strength of whole stair, owing to increase the construction cost that prestressing force screw rod 2 can increase stair; Therefore several design and construction of concrete employing enterprises can select as required, and wherein 2 numbers of prestressing force screw rod are advisable with 1 to 2.
This patent proposes building concrete stair antidetonation and increases steady ruggedized construction, and its basic action principle is through the vacancy beyond that faces that links to each other with lower floor stair at half space pull bar to be set, and directly half space bench beam and lower floor's flooring is coupled together.Through the effect of stair and pull bar, make half space bench beam receive paired tractive force effect like this, thus at half space when the earthquake outwash is moved, receive effectively retraining, its seismic load can be delivered to lower floor's flooring effectively and get on.Thereby make that the seismic load pipeline of half space is more reasonable, and effectively avoided half space to form torsional couple, strengthen its seismic stability.This has just realized the accurate triangle rock-steady structure of staircase vertical plane.Subordinate's bench and diagonal member, and the entablature beam forms closing structure about the bench.Simultaneously, face the vacancy at upper floor pull bar is set, again flooring and half space are coupled together.In the time of the earthquake effect, the flooring of bench junction has also received the outwash effect like this.Pull bar through the flooring entablature Liang Chu that connects in bench is provided with is passed to half space through drawing effect with the outwash seismic forces, and half space passes to vertical member with seismic forces again, until being delivered to the basis.So, in earthquake repeatedly under the effect of power, half space no matter then, the flooring that still links to each other with bench not meeting is gone out flooring outward.Whole staircase has formed a stable seal force system, and each horizontal member has received constraint effectively, has made force path in order, has strengthened the connection measure.Fundamentally effectively avoided the problem that structural instability is prone to collapse under geological process to occur.
The utility model utilizes newly-increased prestressing force screw rod to improve the degree of safety of stair, thereby makes stair can bear the effect of higher seismic forces through on original stair basis, increasing stair ruggedized construction; Thereby the stability and the degree of safety of stair have been improved greatly; Improved simultaneously stair bridge segment structure and with the stress of agent structure, thereby make that the stair anti seismic efficiency is better, more stable; And be prestressing force screw rod fluting to be embedded formerly get final product within the walls when reinforcing; Therefore do not increase the reinforcing difficulty, do not influence the original structure outward appearance, feasibility is strong.
The above; It only is the preferred embodiment of the utility model; Be not to be the utility model to be done the restriction of any other form, and, still belong to the utility model scope required for protection according to any modification or equivalent variations that the technical spirit of the utility model is done.
Claims (2)
1. a building concrete stair antidetonation increases steady ruggedized construction; Comprise prestressing force screw rod (2), tighten up nut (3) and billet (4); Said antidetonation increases steady concrete staircase bracing means and begins to be arranged on continuously between two different stair layers from the stair first floor; Said stair (1) comprise stair main body (1-1), platform bench beam (1-2) and stair bench beam (1-3); Said stair main body (1-1) is arranged between platform bench beam (1-2) and the stair bench beam (1-3), and the stair bench beam (1-3) of a last floor links to each other with the platform bench beam (1-2) of next floor, it is characterized in that:
Said prestressing force screw rod (2) is embedded in the body of wall; Prestressing force screw rod (2) comprises brace section (2-1) and transverse rod sections (2-2); Said prestressing force screw rod (2) transverse rod sections (2-2) parallels with the stair bench beam (1-3) of last stair (1); One end of prestressing force screw rod (2) transverse rod sections (2-2) links to each other with prestressing force screw rod (2) brace section (2-1) upper end; The other end of prestressing force screw rod (2) transverse rod sections (2-2) stretches out from the stair bench beam (1-3) of last stair (1); Said prestressing force screw rod (2) transverse rod sections (2-2) external part is provided with billet (4); The said nut (3) that tightens up is installed in prestressing force screw rod (2) transverse rod sections (2-2) external part termination, and said prestressing force screw rod (2) brace section (2-1) parallels with the stair main body (1-1) of place stair (1), and stretch out from the stair bench beam (1-3) of place stair (1) said prestressing force screw rod (2) brace section (2-1) lower end; Said prestressing force screw rod (2) brace section (2-1) external part is provided with billet (4), and the said nut (3) that tightens up is installed in prestressing force screw rod (2) brace section (2-1) external part termination.
2. a kind of building concrete stair antidetonation according to claim 1 increases steady ruggedized construction, it is characterized in that: said stair main body (1) has 1-3 bar prestressing force screw rod (2) with layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204617727U CN202401777U (en) | 2011-11-21 | 2011-11-21 | Anti-seismic stabilizing and reinforcing structure for building concrete stairs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204617727U CN202401777U (en) | 2011-11-21 | 2011-11-21 | Anti-seismic stabilizing and reinforcing structure for building concrete stairs |
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| CN202401777U true CN202401777U (en) | 2012-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204617727U Expired - Fee Related CN202401777U (en) | 2011-11-21 | 2011-11-21 | Anti-seismic stabilizing and reinforcing structure for building concrete stairs |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108166690A (en) * | 2018-02-11 | 2018-06-15 | 山东省建筑科学研究院 | A kind of precast prestressed concrete cranked slab stairs and making construction method |
| CN108166691A (en) * | 2018-02-11 | 2018-06-15 | 山东省建筑科学研究院 | A kind of precast prestressed concrete beam formula stair and making construction method |
| CN111042567A (en) * | 2019-12-27 | 2020-04-21 | 赵玉玲 | Prefabricated concrete stair surface repairing treatment method for fabricated building |
| CN111364706A (en) * | 2020-04-17 | 2020-07-03 | 漳州昊恒建材有限公司 | Integrally assembled building stair |
| CN112031298A (en) * | 2020-09-01 | 2020-12-04 | 湖北工业大学 | Reinforced concrete stair antidetonation reinforced structure |
| CN116517325A (en) * | 2022-09-07 | 2023-08-01 | 金陵科技学院 | Novel assembled steel-wood stair for existing building additionally provided with elevator and construction method thereof |
-
2011
- 2011-11-21 CN CN2011204617727U patent/CN202401777U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108166690A (en) * | 2018-02-11 | 2018-06-15 | 山东省建筑科学研究院 | A kind of precast prestressed concrete cranked slab stairs and making construction method |
| CN108166691A (en) * | 2018-02-11 | 2018-06-15 | 山东省建筑科学研究院 | A kind of precast prestressed concrete beam formula stair and making construction method |
| CN111042567A (en) * | 2019-12-27 | 2020-04-21 | 赵玉玲 | Prefabricated concrete stair surface repairing treatment method for fabricated building |
| CN111364706A (en) * | 2020-04-17 | 2020-07-03 | 漳州昊恒建材有限公司 | Integrally assembled building stair |
| CN111364706B (en) * | 2020-04-17 | 2021-06-15 | 漳州昊恒建材有限公司 | Integrally assembled building stair |
| WO2021208871A1 (en) * | 2020-04-17 | 2021-10-21 | 昊恒（福建）建材科技有限公司 | Integrally assembled building stairs |
| CN112031298A (en) * | 2020-09-01 | 2020-12-04 | 湖北工业大学 | Reinforced concrete stair antidetonation reinforced structure |
| CN112031298B (en) * | 2020-09-01 | 2022-02-08 | 湖北工业大学 | Reinforced concrete stair antidetonation reinforced structure |
| CN116517325A (en) * | 2022-09-07 | 2023-08-01 | 金陵科技学院 | Novel assembled steel-wood stair for existing building additionally provided with elevator and construction method thereof |
| CN116517325B (en) * | 2022-09-07 | 2024-01-19 | 金陵科技学院 | Novel assembled steel-wood stair for existing building additionally provided with elevator and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120829 Termination date: 20201121 |
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| CF01 | Termination of patent right due to non-payment of annual fee |