CN109629778A - Light shock-proof steel concrete modular stairway - Google Patents
Light shock-proof steel concrete modular stairway Download PDFInfo
- Publication number
- CN109629778A CN109629778A CN201910105971.5A CN201910105971A CN109629778A CN 109629778 A CN109629778 A CN 109629778A CN 201910105971 A CN201910105971 A CN 201910105971A CN 109629778 A CN109629778 A CN 109629778A
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- steel
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- concrete
- ladder beam
- section steel
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- 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
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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)
- Steps, Ramps, And Handrails (AREA)
Abstract
Light shock-proof steel concrete modular stairway, lower layer's ladder beam that the upper layer ladder beam and left low and right high being obliquely installed including horizontally disposed platform, right low left high are obliquely installed, upper layer ladder beam and lower layer's ladder beam are assembled steel concrete composite structure, platform sinistral bottom is provided with landing beam along anterior-posterior horizontal direction, the front side portion of upper layer ladder beam right end is connect with landing beam by forecourt hinge support component, and the rear lateral portion of lower layer's ladder beam right end is connect with landing beam by rear spherical hinge support component；Contour line below every level-one step of upper layer ladder beam and lower layer's ladder beam is straightway+camber line segment structure.When earthquake occurs, spherical hinge support component of the present invention has good damping and slidable adjustment effect, relative displacement can occur on upper and lower, left and right and front-rear direction to avoid generating stress between upper layer ladder beam, lower layer's ladder beam and platform and generating crack, be even broken, and the present invention keeps the stability of steel concrete composite structure strong.
Description
Technical field
The invention belongs to assembled architecture technical fields, and in particular to a kind of light shock-proof steel concrete modular stairway.
Background technique
Cast-in-situ steel reinforced concrete stair or prefabricated reinforced concrete stair are usually used in traditional stair, and cast in place reinforced bar is mixed
Although solidifying Tulou ladder fastness, soundproof effect and it is non-maintaining it is upper there is greater advantage, reinforced concrete stairs self weight compared with
Greatly, need to carry out the complicated procedures of forming such as formwork, reinforcing bar binding, cast in situs and maintenance, it is long there are the construction period, concealed work is more,
The disadvantages of quality controllability is poor；Prefabricated reinforced concrete stair, then exist from it is great, need to using big machinery installation, scene even
The disadvantages of node is complicated is connect, is subject to certain restrictions during popularization and application.Either cast-in-situ steel reinforced concrete stair or pre-
Reinforced concrete stairs processed, there is also the defects of poor seismic behavior, it is difficult to control geological process go downstairs up and down, left and right and it is preceding
The vibration displacement of rear direction will lead to stair under violent earthquake and generate crack, or even is broken and jeopardizes safety.
Summary of the invention
The present invention in order to solve shortcoming in the prior art, provide a kind of simple structure, convenient for production, it is light-weight,
Intensity height, short construction period, the light shock-proof steel concrete modular stairway with good shock resistance.
In order to solve the above technical problems, the present invention adopts the following technical scheme: light shock-proof steel concrete modular stairway, including
Lower layer's ladder beam that the upper layer ladder beam and left low and right high that horizontally disposed platform, right low left high are obliquely installed are obliquely installed, upper layer ladder
Beam and lower layer's ladder beam are assembled steel concrete composite structure, and platform sinistral bottom is provided with landing beam along anterior-posterior horizontal direction, on
The front side portion of the terraced beam right end of layer is connect with landing beam by forecourt hinge support component, the rear lateral portion and platform of lower layer's ladder beam right end
Beam is connected by rear spherical hinge support component；
Upper layer ladder beam is identical with the construction of lower layer's ladder beam；Upper layer ladder beam include two side by side and the fashioned iron that is obliquely installed of right low left high
Beam, the sequentially connected step of several grades is provided between two section steel beams, and every grade of step includes being arranged along anterior-posterior horizontal direction
Have several support steel beams, two section steel beams offer the perforation of several correspondences, support steel beam be plugged in perforation and
Section steel beam is stretched out at support steel beam both ends, pours outside two section steel beams support steel beam two ends being embedded in internal the
One concrete layer pours the second concrete layer to form the sequentially connected step of several grades outside support steel beam, and
One concrete layer and the second concrete layer pour simultaneously using after formwork together, and the bottom surface of the second concrete layer is along right and left
To contour line of the section below every level-one step be straightway+camber line segment structure.
Section steel beam uses channel steel or C-type steel, and the opening of two section steel beams is oppositely arranged, the front side of front side section steel beam and rear side
The rear side of section steel beam offers several for pouring the sprue gate of the second concrete layer, and each sprue gate is respectively positioned on step
The angle of horizontal plane and vertical plane.
The top and bottom of section steel beam are fixedly installed several pegs respectively, and the peg on top protrudes outside section steel beam
Support steel beam and lower part peg between setting be parallel to the reinforced mesh on section steel beam surface, reinforced mesh is embedded in first
In concrete layer.
It connects to form steel mesh by the reinforcing rib perpendicular to support steel beam between several support steel beams, steel mesh is whole
It is embedded in the second concrete layer.
Support steel beam uses reinforcing bar or angle steel.
Straightway is parallel to horizontal plane, and the centering angle of arc segment is 90 °, the right end of the straightway below the same step with
The left end of arc segment connects, and the lower end of the arc segment below a step and adjacent next step lower straight section left end connect
It connects.
Forecourt hinge support component is identical with the structure of rear spherical hinge support component, and forecourt hinge support component includes upper pad
Plate, supporting sephere and positioning pin, upper padding plate are fixedly connected between the right part of two section steel beams, upper padding plate upper surface and fashioned iron
Beam is most lower or most upper level step upper surface after pouring the first concrete layer by keeping flushing, and landing beam upper surface offers
Positioned at the lower ball head nest of platform sinistral, upper padding plate lower surface offers upper ball head nest corresponding with lower ball head nest, and supporting sephere is set
It sets in lower ball head nest and lower ball head nest, there is gap between upper padding plate and landing beam, positioning pin is vertically arranged, positioning pin lower end
Be fixedly connected on landing beam upper surface, be connected with positioning plate on the right side of upper padding plate, offer location hole on positioning plate, location hole it is straight
Diameter is greater than the diameter of positioning pin, the corresponding positioning hole penetrated on positioning plate of positioning pin.
By adopting the above technical scheme, compared with the prior art, the present invention has the following advantages:
1, the upper and lower ends of upper layer ladder beam and lower layer's ladder beam are connect with platform by spherical hinge support component, are occurred in earthquake
When, spherical hinge support component can up and down, left and right and front-rear direction on relative displacement occur, thus can avoid upper layer ladder beam,
Stress is generated between lower layer's ladder beam and platform and is generated crack, is even broken.
2, forecourt hinge support component and rear spherical hinge support component using supporting sephere respectively with terraced beam and 360 ° of platform
Hinged structure, and pass through the position in positioning pin restriction level direction, the diameter of upper ball head nest is greater than the internal diameter of support ball, branch
The setting for supportting sphere, when being shaken impact, automatic adjustment is sensitiveer；The diameter of location hole is greater than the diameter of positioning pin, upper
Between backing plate and landing beam above and below generation, on left and right and front-rear direction when relative displacement, positioning pin can move inside location hole
It is dynamic, it avoids generating stress, there is good damping and slidable adjustment effect.
3, perforation is opened up on section steel beam, support steel beam is mounted on two section steel beams across perforation, mixed pouring first
Support steel beam and two section steel beams will be first welded as a whole before concrete before solidifying soil layer and the second concrete layer, is poured in formwork
When ensure the stability of section steel beam and support steel beam.
4, it in the first concrete layer of external setting and the second concrete layer of section steel beam and support steel beam, and is mixed first
Steel mesh is set in solidifying soil layer, peg and reinforced mesh are set in the second concrete layer, can be poured as far as possible so relatively thin
Concrete, and ensure that the first concrete layer and the second concrete layer will not crack, or even fall off, make steel concrete composite structure
Stability greatly enhance.
5, contour line of the section of the bottom surface of the second concrete layer in left-right direction below every level-one step is straight line
Section+camber line segment structure can be further reduced the amount of pouring of concrete in this way, mitigate the overall weight of stair, and bottom plate is whole
Structure is wavy, has fine ornamental value.
6, section steel beam side offers several sprue gates, first pours the second concrete layer from bottom to top, then pour first
Concrete layer, when pouring the first concrete layer, concrete can also be by sprue gate by the concrete in the first concrete layer
Further filling, this mode that pours ensure to pour no dead angle.
Detailed description of the invention
Fig. 1 is schematic perspective view of the invention；
Fig. 2 is overlooking structure diagram of the invention
Fig. 3 is the structural schematic diagram of beam terraced at the middle and upper levels of the invention；
Fig. 4 is the diagrammatic cross-section of the second concrete layer in Fig. 3；
Fig. 5 is the structural schematic diagram of the medium-sized girder steel of Fig. 3.
Specific embodiment
As Figure 1-Figure 5, light shock-proof steel concrete modular stairway of the invention, including horizontally disposed platform 12, a left side
Lower layer's ladder beam 14 that the upper layer ladder beam 13 and left low and right high of high right low dip setting are obliquely installed, upper layer ladder beam 13 and lower layer's ladder beam
14 be assembled steel concrete composite structure, and 12 left bottom of platform is provided with landing beam 15, upper layer ladder beam along anterior-posterior horizontal direction
The front side portion of 13 right ends is connect with landing beam 15 by forecourt hinge support component, the rear lateral portion and platform of 14 right end of lower layer's ladder beam
Beam 15 is connected by rear spherical hinge support component；
Upper layer ladder beam 13 is identical with the construction of lower layer ladder beam 14；Upper layer ladder beam 13 includes two side by side and right low left high is obliquely installed
Section steel beam 1, be provided with the sequentially connected step 2 of several grades between two section steel beams 1, every grade of step 2 includes along front and back water
Square to several support steel beams 3 are provided with, two section steel beams 1 offer the perforation of several correspondences, and support steel beam 3 is inserted
It is located in perforation and section steel beam 1 is stretched out at 3 both ends of support steel beam, poured outside two section steel beams 1 by 3 two ends of support steel beam
It is embedded in the first internal concrete layer 4, has poured to form the sequentially connected step of several grades outside support steel beam 3
2 the second concrete layer 5, the first concrete layer 4 and the second concrete layer 5 pour simultaneously using after formwork together, and second
Contour line of the section of the bottom surface of concrete layer 5 in left-right direction below every level-one step 2 is 7 knot of straightway 6+ arc segment
Structure.
Section steel beam 1 uses channel steel or C-type steel, and the opening of two section steel beams 1 is oppositely arranged, the front side of front side section steel beam 1 and
The rear side of rear side section steel beam 1 offers several for pouring the sprue gate 8 of the second concrete layer 5, the equal position in each sprue gate 8
In the horizontal plane of step 2 and the angle of vertical plane.
The top and bottom of section steel beam 1 are fixedly installed several pegs 9, peg 9, the protrusion section steel beam 1 on top respectively
Setting is parallel to the reinforced mesh 10 on 1 surface of section steel beam, reinforced mesh between the peg 9 of external support steel beam 3 and lower part
10 are embedded in the first concrete layer 4.
By connecting to form steel mesh 11, steel mesh perpendicular to the reinforcing rib of support steel beam 3 between several support steel beams 3
11 are all embedded in the second concrete layer 5.Support steel beam 3 uses reinforcing bar or angle steel.
Straightway 6 is parallel to horizontal plane, and the centering angle of arc segment 7 is 90 °, the right side of the straightway 6 of same 2 lower section of step
End is connect with the left end of arc segment 7, the lower end of the arc segment 7 of 2 lower section of step and adjacent next 2 lower straight section of step
The connection of 6 left ends.
Forecourt hinge support component is identical with the structure of rear spherical hinge support component, and forecourt hinge support component includes upper pad
Plate 16, supporting sephere 17 and positioning pin 18, upper padding plate 16 are fixedly connected between the right part of two section steel beams 1, upper padding plate 16
Upper surface and section steel beam 1 are most lower or most upper level step upper surface after pouring the first concrete layer 4 by keeping flushing, platform
15 upper surface of beam offers the lower ball head nest positioned at 12 left side of platform, and 16 lower surface of upper padding plate offers corresponding with lower ball head nest
Upper ball head nest, supporting sephere 17 are arranged in lower ball head nest and lower ball head nest, have gap between upper padding plate 16 and landing beam 15,
Positioning pin 18 is vertically arranged, and 18 lower end of positioning pin is fixedly connected on 15 upper surface of landing beam, is connected with positioning on the right side of upper padding plate 16
Plate 19 offers location hole 20 on positioning plate 19, and the diameter of location hole 20 is greater than the diameter of positioning pin 18, and the correspondence of positioning pin 18 is worn
Enter in the location hole 20 on positioning plate 19.
Compared with the prior art, the present invention has the following advantages:
1, the upper and lower ends of upper layer ladder beam 13 and lower layer's ladder beam 14 are connect with platform 12 by spherical hinge support component, in earthquake
When generation, on upper and lower, left and right and front-rear direction relative displacement can occur for spherical hinge support component, thus can avoid upper layer ladder
Stress is generated between beam 13, lower layer's ladder beam 14 and platform 12 and is generated crack, is even broken.
2, forecourt hinge support component and rear spherical hinge support component using supporting sephere 17 respectively with terraced beam and platform
12360 ° of hinged structures, and pass through the position in 18 restriction level direction of positioning pin, the diameter of upper ball head nest is greater than support ball
Internal diameter, the setting of supporting sephere 17, when being shaken impact automatic adjustment it is sensitiveer；The diameter of location hole 20 is greater than positioning
The diameter of pin 18, between upper padding plate 16 and landing beam 15 above and below generation, on left and right and front-rear direction when relative displacement, positioning pin
18 can move inside location hole 20, avoid generating stress, have good damping and slidable adjustment effect.
3, perforation is opened up on section steel beam 1, support steel beam 3 is mounted on two section steel beams 1 across perforation, is pouring first
Support steel beam 3 and two section steel beams 1 will be first welded as a whole before concrete, is being propped up before concrete layer 4 and the second concrete layer 5
Ensure the stability of section steel beam 1 and support steel beam 3 when mould pours.
4, in the first concrete layer 4 of external setting of section steel beam 1 and support steel beam 3 and the second concrete layer 5, and the
Steel mesh 11 is set in one concrete layer 4, peg 9 and reinforced mesh 10 are set in the second concrete layer 5, it in this way can be as far as possible
Relatively thin concrete is poured, and ensures that the first concrete layer 4 and the second concrete layer 5 will not crack, or even fall off, is made
The stability of steel concrete composite structure greatly enhances.
5, contour line of the section of the bottom surface of the second concrete layer 5 in left-right direction below every level-one step 2 is straight
7 structure of line segment 6+ arc segment, can be further reduced the amount of pouring of concrete in this way, mitigate the overall weight of stair, and bottom plate
Overall structure is wavy, has fine ornamental value.
6,1 side of section steel beam offers several sprue gates 8, first pours the second concrete layer 5 from bottom to top, then pours
One concrete layer 4, when pouring the first concrete layer 4, concrete can also will be in the first concrete layer 4 by sprue gate 8
Concrete further fills, and this mode that pours ensures to pour no dead angle.
The present embodiment not makes any form of restriction shape of the invention, material, structure etc., all according to this hair
Bright technical spirit any simple modification, equivalent change and modification to the above embodiments, belong to the technology of the present invention side
The protection scope of case.
Claims (7)
1. light shock-proof steel concrete modular stairway, it is characterised in that: be obliquely installed including horizontally disposed platform, right low left high
Lower layer's ladder beam that upper layer ladder beam and left low and right high are obliquely installed, upper layer ladder beam and lower layer's ladder beam are assembled steel concrete combination knot
Structure, platform sinistral bottom is provided with landing beam along anterior-posterior horizontal direction, before the front side portion and landing beam of upper layer ladder beam right end pass through
The connection of spherical hinge support component, the rear lateral portion of lower layer's ladder beam right end are connect with landing beam by rear spherical hinge support component；
Upper layer ladder beam is identical with the construction of lower layer's ladder beam；Upper layer ladder beam include two side by side and the fashioned iron that is obliquely installed of right low left high
Beam, the sequentially connected step of several grades is provided between two section steel beams, and every grade of step includes being arranged along anterior-posterior horizontal direction
Have several support steel beams, two section steel beams offer the perforation of several correspondences, support steel beam be plugged in perforation and
Section steel beam is stretched out at support steel beam both ends, pours outside two section steel beams support steel beam two ends being embedded in internal the
One concrete layer pours the second concrete layer to form the sequentially connected step of several grades outside support steel beam, and
One concrete layer and the second concrete layer pour simultaneously using after formwork together, and the bottom surface of the second concrete layer is along right and left
To contour line of the section below every level-one step be straightway+camber line segment structure.
2. light shock-proof steel concrete modular stairway according to claim 1, it is characterised in that: section steel beam uses channel steel or C
The opening of fashioned iron, two section steel beams is oppositely arranged, and the front side of front side section steel beam and the rear side of rear side section steel beam offer several
A sprue gate for being used to pour the second concrete layer, each sprue gate is respectively positioned on the horizontal plane of step and the angle of vertical plane.
3. light shock-proof steel concrete modular stairway according to claim 1 or 2, it is characterised in that: the top surface of section steel beam and
Bottom surface is fixedly installed several pegs respectively, and the peg on top protrudes the support steel beam outside section steel beam and the peg of lower part
Between setting be parallel to the reinforced mesh on section steel beam surface, reinforced mesh is embedded in the first concrete layer.
4. light shock-proof steel concrete modular stairway according to claim 1 or 2, it is characterised in that: several support steel beams
Between connect to form steel mesh by the reinforcing rib perpendicular to support steel beam, steel mesh is all embedded in the second concrete layer.
5. light shock-proof steel concrete modular stairway according to claim 1 or 2, it is characterised in that: support steel beam uses steel
Muscle or angle steel.
6. light shock-proof steel concrete modular stairway according to claim 1 or 2, it is characterised in that: straightway is parallel to water
Plane, the centering angle of arc segment are 90 °, and the right end of the straightway below the same step and the left end of arc segment connect, one
The lower end of arc segment below step is connect with adjacent next step lower straight section left end.
7. light shock-proof steel concrete modular stairway according to claim 1 or 2, it is characterised in that: forecourt hinge support group
Part is identical with the structure of rear spherical hinge support component, and forecourt hinge support component includes upper padding plate, supporting sephere and positioning pin, on
Backing plate is fixedly connected between the right part of two section steel beams, upper padding plate upper surface and section steel beam is most lower or most upper level step on
By keeping flushing after pouring the first concrete layer, landing beam upper surface offers the lower bulb positioned at platform sinistral on surface
Nest, upper padding plate lower surface offer upper ball head nest corresponding with lower ball head nest, and supporting sephere is arranged in lower ball head nest and lower bulb
In nest, there is gap between upper padding plate and landing beam, positioning pin is vertically arranged, and positioning pin lower end is fixedly connected on table on landing beam
Face, upper padding plate right side are connected with positioning plate, and location hole is offered on positioning plate, and the diameter of location hole is greater than the diameter of positioning pin,
The corresponding positioning hole penetrated on positioning plate of positioning pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910105971.5A CN109629778A (en) | 2019-02-02 | 2019-02-02 | Light shock-proof steel concrete modular stairway |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910105971.5A CN109629778A (en) | 2019-02-02 | 2019-02-02 | Light shock-proof steel concrete modular stairway |
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| Publication Number | Publication Date |
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| CN109629778A true CN109629778A (en) | 2019-04-16 |
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ID=66064873
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910105971.5A Pending CN109629778A (en) | 2019-02-02 | 2019-02-02 | Light shock-proof steel concrete modular stairway |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110158879A (en) * | 2019-05-19 | 2019-08-23 | 北京工业大学 | A kind of assembled vibration damping stair of built-in bidirectional damper particle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29720934U1 (en) * | 1997-11-26 | 1999-03-25 | Hochtief Ag Hoch Tiefbauten | Prefabricated stairs made of reinforced concrete |
| CN103397754A (en) * | 2013-08-16 | 2013-11-20 | 威海建设集团股份有限公司 | Precast shock-absorbing building stair structure |
| CN203361496U (en) * | 2013-07-22 | 2013-12-25 | 深圳市清华苑建筑设计有限公司 | Seismic resistant stair and building with same |
| CN204531233U (en) * | 2015-02-12 | 2015-08-05 | 湖北弘顺钢结构制造有限公司 | A kind of prefabricated steel reinforced concrete combined staircase |
| CN108677698A (en) * | 2018-06-29 | 2018-10-19 | 浙江秦山橡胶工程股份有限公司 | A kind of damping big corner ball shaped steel bearing |
| CN209637140U (en) * | 2019-02-02 | 2019-11-15 | 河南绿建建筑科技有限公司 | Light shock-proof steel concrete modular stairway |
-
2019
- 2019-02-02 CN CN201910105971.5A patent/CN109629778A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29720934U1 (en) * | 1997-11-26 | 1999-03-25 | Hochtief Ag Hoch Tiefbauten | Prefabricated stairs made of reinforced concrete |
| CN203361496U (en) * | 2013-07-22 | 2013-12-25 | 深圳市清华苑建筑设计有限公司 | Seismic resistant stair and building with same |
| CN103397754A (en) * | 2013-08-16 | 2013-11-20 | 威海建设集团股份有限公司 | Precast shock-absorbing building stair structure |
| CN204531233U (en) * | 2015-02-12 | 2015-08-05 | 湖北弘顺钢结构制造有限公司 | A kind of prefabricated steel reinforced concrete combined staircase |
| CN108677698A (en) * | 2018-06-29 | 2018-10-19 | 浙江秦山橡胶工程股份有限公司 | A kind of damping big corner ball shaped steel bearing |
| CN209637140U (en) * | 2019-02-02 | 2019-11-15 | 河南绿建建筑科技有限公司 | Light shock-proof steel concrete modular stairway |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110158879A (en) * | 2019-05-19 | 2019-08-23 | 北京工业大学 | A kind of assembled vibration damping stair of built-in bidirectional damper particle |
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Application publication date: 20190416 |