CN110144812A - A kind of assembled stair for city overpass - Google Patents
A kind of assembled stair for city overpass Download PDFInfo
- Publication number
- CN110144812A CN110144812A CN201910513962.XA CN201910513962A CN110144812A CN 110144812 A CN110144812 A CN 110144812A CN 201910513962 A CN201910513962 A CN 201910513962A CN 110144812 A CN110144812 A CN 110144812A
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- CN
- China
- Prior art keywords
- prefabricated
- stair
- slab
- square type
- bearing platform
- 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.)
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Steps, Ramps, And Handrails (AREA)
Abstract
A kind of assembled stair for city overpass, belong to the realm of building construction.Square type rib is disposed on the bearing platform, prefabricated waist slab, prefabricated slope board, prefabricated side cover board is ridden over together on the square type rib of bearing platform, by high-strength reinforced steel through connection, prefabricated waist slab, the part that prefabricated slope board rides on the square type rib of bearing platform is respectively disposed with stair strengthening steel slab A, stair strengthening steel slab B, built-in strengthening steel slab and prefabricated waist slab on the square type rib of bearing platform simultaneously, stair strengthening steel slab A in prefabricated slope board, stair strengthening steel slab B is connected through a screw thread short muscle and links together, overall structure is reinforced, improve stability；Stair step can also carry out reinforcing fixation by docking recess of marking time after connecting by rib of marking time, stair slope can also facilitate the transport of traffic instrument, adapt to the development of assembled stair.
Description
Technical field
The invention belongs to the realm of building construction, more particularly to a kind of assembled stair for city overpass.
Background technique
In city, soil be it is very limited, vehicle flowrate is more, people can walking pavement it is all very limited, and show
Aerial pavement its degree of automation having is low, cannot achieve the automatic transportation to pedestrian, pedestrian inevitably in the street can be with vehicle phase
It mutually influences that accident even occurs, the safety of people is most important；And it there now have been aerial sidewalk, and pavement is held
Platform, stair, the stability of plate face and safety are crucial.
Summary of the invention
In order to solve above-mentioned technical problem, the present invention provides a kind of Assembled Building for city overpass
Ladder, which rides over prefabricated waist slab, prefabricated slope board, prefabricated side cover board on the square type rib of bearing platform, high-strength
Reinforced steel connection, bearing platform, prefabricated waist slab are all disposed with strengthening steel slab inside prefabricated slope board, guarantee prefabricated components
Overall stability.
The technical solution adopted by the invention is as follows:
A kind of assembled stair for city overpass, the assembled stair include bearing platform, prefabricated waist slab, pre-
Slope board processed, prefabricated side cover board, square type rib, stair step, marking time connects rib, slot of marking time, reserved docking groove of marking time, the undertaking
Platform end lower half portion is prefabricated with square type rib, and the staircase includes prefabricated waist slab, prefabricated slope board, prefabricated side lid
Plate, the prefabricated waist slab, prefabricated slope board, prefabricated side cover board upper end be equipped with the square type being connected with bearing platform
Rib, and the width of overlooking of square type rib is added the square being equal on bearing platform on prefabricated waist slab, prefabricated slope board, prefabricated side cover board
The vertical view width of type rib, it is in match with one another；Prefabricated slope board two sides are formed with reserved docking groove of marking time, it is reserved mark time docking groove with
Stair step on prefabricated waist slab matches, be formed on the inside of the prefabricated side cover board and prefabricated waist slab junction with it is prefabricated
The reserved docking groove of marking time that stair step on waist slab matches, the prefabricated waist slab are that plate body top setting stair are stepped on
Step, the prefabricated waist slab plate body upper surface are equipped with slot of marking time, and the stair step bottom, which is equipped with to mark time, connects rib, connection of marking time
Rib is corresponding with slot of marking time to be connected, and marks time and connects the transverse width that rib transverse width is equal to prefabricated waist slab, stair step
Width is greater than prefabricated waist slab, and not set mark time in stair step two sides connects the prefabricated slope board of the corresponding insertion of flank, prefabricated side
Reserved on cover board is marked time in docking groove.
Further, it is equipped with that cushion cap is built-in to reinforce steel when prefabricated inside the square type rib on the bearing platform and bearing platform
Plate, the inner end portion that the prefabricated slope board is connect with bearing platform be equipped with stair strengthening steel slab B, the prefabricated waist slab with hold
The inner end portion for connecing platform connection is equipped with stair strengthening steel slab A, strengthening steel slab corresponding position built in the square type rib and cushion cap
Reserved threaded connection hole is offered, reserved threaded connection hole corresponding with square type rib is offered on stair strengthening steel slab B, stair add
Gu offering reserved threaded connection hole corresponding with square type rib on steel plate A, prefabricated waist slab, prefabricated slope board, prefabricated side cover board
Short muscle is threadedly coupled with bearing platform after connection to be connected and fixed.
Further, the lower plate body portion of the prefabricated waist slab is oblique is evenly arranged four through lateral reserved steel
Muscle hole, corresponding position reserved steel bar hole after prefabricated slope board, prefabricated side cover board are connect with prefabricated waist slab are prefabricated waist slab, pre-
Slope board processed, prefabricated side cover board are connected through high-strength reinforced steel.
Further, the prefabricated slope board is centrally arranged, and two sides arrange that two prefabricated waist slabs, prefabricated waist slab are outside
Two prefabricated side cover boards are arranged in two sides.
Further, when the stair are double race stair, two sections of square type ribs are reserved on the bearing platform of same layer, are connected respectively
Connect the place up and down of two sections of stair by prefabricated waist slab, prefabricated slope board, prefabricated side cover plate combination square type rib.
Further, double race stair are connected between ground and aerial overline bridge, ground and aerial overline bridge be equipped with
A bearing platform is arranged in strengthening steel slab built in the identical cushion cap of bearing platform, centre, and double race cushion caps are provided on bearing platform
It is provided with ground on reserved rectangular recess, ground and reserves square type groove, bridge floor is provided on aerial overline bridge and reserves rectangular recess, institute
Square type groove is reserved on the ground stated, bridge floor reserves rectangular recess and the reserved rectangular recess size of double race cushion caps is identical, corresponds to square
Shape rib.
Further, the guard bar device of the prefabricated side cover board two sides entity part arrangement pavement stair.
Beneficial effects of the present invention:
Prefabricated waist slab, prefabricated slope board, prefabricated side cover board are ridden over the square type rib of bearing platform by assembled stair of the invention
On, and prefabricated waist slab, prefabricated slope board, prefabricated side cover board are linked together by high-strength reinforced steel, bear it in cushion cap
It while weight, is in reinforcement connection by high-strength reinforced steel, prevents local failure caused by the load unevenness on stair,
Bearing platform, prefabricated waist slab are all disposed with strengthening steel slab inside prefabricated slope board, guarantee the overall stability of prefabricated components；
Connection function can also be played while reinforcing to precast construction, stair step can also pass through after connecting by rib of marking time
Docking recess of marking time carries out reinforcing fixation.The advantages of the present invention are easy for construction, easy to connect, speed of applications
Fastly, sound construction and convenient disassembly also strengthen the stability of component connection while the intensity for strengthening prefabricated components,
Guarantee the safety of people, slope can also facilitate the transport of traffic instrument, adapt to the development of assembled stair.
Detailed description of the invention
Fig. 1 is the double race stair side views of assembled of the present invention；
Fig. 2 is the double race stair top views of assembled of the present invention；
Fig. 3 is assembled straight stair side view of the present invention；
Fig. 4 is the connection structure detail drawing of assembled straight stair of the present invention；
Fig. 5 is the fragmentary detail view of the steel plate junction of bearing platform and prefabricated waist slab；
Fig. 6 is the side view of prefabricated waist slab plate body；
Fig. 7 is the side view of prefabricated slope board；
Fig. 8 is the side view of prefabricated side cover board；
Fig. 9 is the side view of stair step；
Figure 10 is the front view of stair step；
Figure 11 is double race bearing platform junction partial top views；
Figure 12 is ground junction partial top view；
Figure 13 is aerial overline bridge junction partial top view.
In figure: 1 being bearing platform, 2 be prefabricated waist slab, 3 be prefabricated slope board, 4 be prefabricated side cover board, 5 be in cushion cap
Set strengthening steel slab, 6 be square type rib, 7 be stair strengthening steel slab A, 8 be stair strengthening steel slab B, 9 be stair step, 10 be the company of marking time
Rib, 11 for slot of marking time, 12 are reserved docking groove of marking time, 13 are high-strength reinforced steel, 14 are reserved steel bar hole, 15 are that screw thread connects
Connect short muscle, 16 for reserved threaded connection hole, 17 be ground, 18 be ground reserve square type groove, 19 be aerial overline bridge, 20 be bridge floor
Rectangular recess is reserved for double race cushion caps in reserved rectangular recess, 21.
Specific embodiment
In order to further illustrate the present invention, the present invention is described in detail with reference to the accompanying drawings and embodiments, but not
They can be interpreted as limiting the scope of the present invention.
Embodiment 1:
As shown in Fig. 1-13, a kind of assembled stair for city overpass of the present invention, including bearing platform 1, prefabricated ladder
Section plate 2, prefabricated slope board 3, prefabricated side cover board 4, strengthening steel slab 5, square type rib 6, stair strengthening steel slab A7, stair add built in cushion cap
Gu steel plate B8, stair step 9, marking time connects rib 10, slot 11 of marking time, reserved docking groove 12 of marking time, high-strength reinforced steel 13, reserves
Reinforced hole 14 is threadedly coupled short muscle 15, reserved threaded connection hole 16, ground 17, ground reserved square type groove 18, aerial overline bridge
19, bridge floor reserves rectangular recess 20, double race cushion caps reserve rectangular recess 21.
Component of the present invention is steel and concrete structure, can guarantee that the intensity of structure meets requirement.The bearing platform 1
End lower half portion is formed with prefabricated square type rib 6, and is embedded with built in cushion cap and adds when square type rib 6 and prefabricated 1 inside of bearing platform
Gu steel plate 5 plays reinforcement effect to square type rib 6 when connecting with other structures.Strengthening steel slab 5 is opened built in square type rib 6 and cushion cap
Equipped with corresponding reserved threaded connection hole 16；The staircase is by prefabricated waist slab 2, prefabricated slope board 3, prefabricated side cover board
4 collectively constitute, the prefabricated waist slab 2, prefabricated slope board 3, prefabricated side cover board 4 end be all formed with on bearing platform 1
The identical square type rib 6 in 6 section of square type rib, but overlook of different size, prefabricated slope board 3 is centrally arranged, two sides arrange two it is pre-
Two prefabricated side cover boards 4, and two prefabricated waist slabs 2, prefabricated slopes are being arranged in waist slab 2 processed, the outside two sides of prefabricated waist slab 2
The vertical view width of square type rib 6 overlooked width and be added the square type rib 6 being equal on bearing platform 1 on 3, two prefabricated side cover boards 4 of plate.
It is embedded with stair strengthening steel slab B8 inside the square type rib 6 of the prefabricated slope board 3, is offered on stair strengthening steel slab B8 and square
The corresponding reserved threaded connection hole 16 of type rib 6, prefabricated 3 two sides of slope board are formed with reserved docking groove 12 of marking time, reserved to mark time pair
The section of access slot 12 is triangular form, identical as 9 section of stair step, in order to dock the stair step 9 on prefabricated waist slab 2.
Prefabricated 2 lower plate body portion of waist slab is oblique uniformly to open up 4 through lateral reserved steel bar hole 14；The prefabricated side cover board
4 insides for being connected to prefabricated waist slab 2 are formed with reserved docking groove 12 of marking time, and the section of reserved docking groove 12 of marking time is triangular form,
It is identical as 9 section of stair step, in order to dock the stair step 9 on prefabricated waist slab 2.Lower plate body portion is oblique uniformly to be opened
Equipped with 4 through lateral reserved steel bar hole 14；It is internal on the prefabricated waist slab 2 to be embedded with stair strengthening steel slab A7, building
Offer reserved threaded connection hole 16 corresponding with square type rib 6 on terraced strengthening steel slab A7, plate body part is oblique uniformly to be opened up 4 and pass through
Lateral reserved steel bar hole 14 is worn, and is uniformly provided with slot 11 of marking time on surface, the stair step 9 is triangular concrete
Structure, oblique side arrangement, which is marked time, connects rib 10, and marking time connects that rib 10 is corresponding with the slot 11 of marking time on prefabricated waist slab 2 to agree with company
It connects, marks time and connect the transverse width that 10 transverse width of rib is equal to prefabricated waist slab 2, two sides, which are not arranged to mark time, connects the stair of rib 10
Marking time, 9 parts are corresponding to be inserted into prefabricated slope board 3, the reserved docking groove 12 of marking time on prefabricated side cover board 4；By prefabricated waist slab 2, in advance
After slope board 3 processed, prefabricated side cover board 4 connect, mutual reserved steel bar hole 14 is corresponding, afterwards will with high-strength reinforced steel 13
Prefabricated waist slab 2, prefabricated slope board 3, prefabricated side cover board 4 link together, and while connection, play reinforcing to stair and make
With.Prefabricated waist slab 2, prefabricated slope board 3, prefabricated side cover board 4 are connected and after the square type rib 6 that is arranged on bearing platform 1,
Reserved spiral shell built in the reserved threaded connection hole 16 of square type rib 6 on bearing platform 1, the cushion cap of internal reservation on strengthening steel slab 5
It is reserved on stair strengthening steel slab A7, stair strengthening steel slab B8 inside line connecting hole 16 and prefabricated waist slab 2, prefabricated slope board 3
Reserved threaded connection hole 16 it is corresponding, after be connected through a screw thread short muscle 15 and be attached fixation.
Two sections of square type ribs 6 are reserved on the bearing platform 1 for being same layer when for double race stair, can connect two sections of stair respectively
Place up and down by prefabricated waist slab 2, prefabricated slope board 3, prefabricated side cover board 4 combine 6 part of square type rib.
It is strengthening steel slab 5 built in the cushion cap, square type rib 6, stair strengthening steel slab A7, reserved on stair strengthening steel slab B8
Reserved threaded connection hole 16 correspond to each other, after be connected through a screw thread short muscle 15 be attached it is fixed after, will with cement mortar
The surface of square type rib 6 is levelling.
It can be according to demand in the guard bar device of prefabricated 4 two sides entity part of side cover board arrangement pavement stair.
Double race stair are connected between ground 17 and aerial overline bridge 19, are embedded on ground 17 and aerial overline bridge 19
Strengthening steel slab 5 built in cushion cap identical with bearing platform 1, one bearing platform 1 of intermediate arrangement offer on bearing platform 1 double
Ground is offered on the reserved rectangular recess 21 of race cushion cap, ground 17 and reserves square type groove 18, offers bridge floor on aerial overline bridge 19
Reserved rectangular recess 20, square type groove 18 is reserved on the ground, bridge floor reserves rectangular recess 20 and double race cushion caps reserve rectangle
21 size of groove is identical, corresponds to rectangular fin 6, for accepting arrangement stair.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (7)
1. a kind of assembled stair for city overpass, which is characterized in that the assembled stair include bearing platform
(1), prefabricated waist slab (2), prefabricated slope board (3), prefabricated side cover board (4), square type rib (6), stair step (9), connection of marking time
Rib (10), slot of marking time (11) are reserved and are marked time docking groove (12), and bearing platform (1) the end lower half portion is prefabricated with square type rib
(6), the staircase includes prefabricated waist slab (2), prefabricated slope board (3), prefabricated side cover board (4), the prefabricated ladder
Section plate (2), prefabricated slope board (3), prefabricated side cover board (4) upper end be equipped with the square type rib being connected with bearing platform (1)
(6), and prefabricated waist slab (2), prefabricated slope board (3), the vertical view width addition of square type rib (6) is equal on prefabricated side cover board (4)
The vertical view width of square type rib (6) on bearing platform (1), it is in match with one another；Prefabricated slope board (3) two sides are formed with reserved mark time
Docking groove (12), reserved docking groove (12) of marking time match with the stair step (9) on prefabricated waist slab (2), the prefabricated side
It is formed on the inside of cover board (4) and prefabricated waist slab (2) junction and to match with the stair step (9) on prefabricated waist slab (2)
Reserved to mark time docking groove (12), the prefabricated waist slab (2) is that stair step (9) are arranged in plate body top, the prefabricated waist slab
(2) plate body upper surface is equipped with and marks time slot (11), and stair step (9) bottom, which is equipped with to mark time, connects rib (10), marks time and connects rib
(10) corresponding with slot of marking time (11) to be connected, it marks time and connects the transverse direction that rib (10) transverse width is equal to prefabricated waist slab (2)
Width, stair step (9) width are greater than prefabricated waist slab (2), and not set mark time in stair step (9) two sides connects rib (10) part
In reserved docking groove of marking time (12) on the prefabricated slope board (3) of correspondence insertion, prefabricated side cover board (4).
2. a kind of assembled stair for city overpass according to claim 1, which is characterized in that the undertaking
Square type rib (6) and bearing platform (1) on platform (1) are equipped with strengthening steel slab (5) built in cushion cap, the precast oblique when internal prefabricated
The inner end portion that ramp (3) is connect with bearing platform (1) be equipped with stair strengthening steel slab B(8), the prefabricated waist slab (2) with hold
The inner end portion for connecing platform (1) connection is equipped with stair strengthening steel slab A(7), strengthening steel slab built in the square type rib (6) and cushion cap
(5) corresponding position offers reserved threaded connection hole (16), stair strengthening steel slab B(8) on offer it is corresponding with square type rib (6)
Reserved threaded connection hole (16), stair strengthening steel slab A(7) on offer reserved threaded connection hole corresponding with square type rib (6)
(16), short through being threadedly coupled with bearing platform (1) after prefabricated waist slab (2), prefabricated slope board (3), prefabricated side cover board (4) connection
Muscle (15) is connected and fixed.
3. a kind of assembled stair for city overpass according to claim 1, which is characterized in that described prefabricated
The lower plate body portion of waist slab (2) is oblique to be evenly arranged four through lateral reserved steel bar hole (14), prefabricated slope board
(3), corresponding position reserved steel bar hole (14) after prefabricated side cover board (4) connect with prefabricated waist slab (2), it is prefabricated waist slab (2), pre-
Slope board (3) processed, prefabricated side cover board (4) are connected through high-strength reinforced steel (13).
4. a kind of assembled stair for city overpass according to claim 1, which is characterized in that described prefabricated
Slope board (3) is centrally arranged, and two prefabricated waist slabs (2) are arranged in two sides, and prefabricated waist slab (2) outside two sides arrangement two prefabricated
Side cover board (4).
5. a kind of assembled stair for city overpass according to claim 1, which is characterized in that the stair
When for double race stair, two sections of square type ribs (6) are reserved on the bearing platform (1) of same layer, are separately connected the place up and down of two sections of stair
The square type rib (6) combined by prefabricated waist slab (2), prefabricated slope board (3), prefabricated side cover board (4).
6. a kind of assembled stair for city overpass according to claim 5, it is characterised in that: double races
Stair are connected between ground (17) and aerial overline bridge (19), and ground (17) and aerial overline bridge (19) is equipped with and bearing platform
(1) bearing platform (1) is arranged in strengthening steel slab (5) built in identical cushion cap, centre, and double races are provided on bearing platform (1)
Cushion cap, which reserves rectangular recess (21), is provided with ground on ground (17) reserves square type groove (18), is arranged on aerial overline bridge (19)
There is bridge floor to reserve rectangular recess (20), square type groove (18) are reserved on the ground, bridge floor reserves rectangular recess (20) and double races
It is identical that cushion cap reserves rectangular recess (21) size, corresponds to rectangular fin (6).
7. a kind of assembled stair for city overpass according to claim 1, it is characterised in that: described prefabricated
The guard bar device of side cover board (4) two sides entity part arrangement pavement stair.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910513962.XA CN110144812A (en) | 2019-06-14 | 2019-06-14 | A kind of assembled stair for city overpass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910513962.XA CN110144812A (en) | 2019-06-14 | 2019-06-14 | A kind of assembled stair for city overpass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110144812A true CN110144812A (en) | 2019-08-20 |
Family
ID=67591392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910513962.XA Withdrawn CN110144812A (en) | 2019-06-14 | 2019-06-14 | A kind of assembled stair for city overpass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110144812A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110792236A (en) * | 2019-12-03 | 2020-02-14 | 张延年 | Clamping groove type assembled concrete stair |
| CN112458887A (en) * | 2020-12-18 | 2021-03-09 | 南南铝工程有限责任公司 | Aluminum alloy pedestrian overpass ladder way connection structure |
-
2019
- 2019-06-14 CN CN201910513962.XA patent/CN110144812A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110792236A (en) * | 2019-12-03 | 2020-02-14 | 张延年 | Clamping groove type assembled concrete stair |
| CN112458887A (en) * | 2020-12-18 | 2021-03-09 | 南南铝工程有限责任公司 | Aluminum alloy pedestrian overpass ladder way connection structure |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190820 |