CN109403173A - Prefabricated side walk slab and structure of sidewalk - Google Patents
Prefabricated side walk slab and structure of sidewalk Download PDFInfo
- Publication number
- CN109403173A CN109403173A CN201811347901.2A CN201811347901A CN109403173A CN 109403173 A CN109403173 A CN 109403173A CN 201811347901 A CN201811347901 A CN 201811347901A CN 109403173 A CN109403173 A CN 109403173A
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- Prior art keywords
- side walk
- walk slab
- prefabricated
- slab
- support plate
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- 241000469816 Varus Species 0.000 claims description 16
- 230000003014 reinforcing effect Effects 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 238000010276 construction Methods 0.000 abstract description 20
- 238000003032 molecular docking Methods 0.000 description 10
- 238000009434 installation Methods 0.000 description 6
- 244000261422 Lysimachia clethroides Species 0.000 description 5
- 239000003245 coal Substances 0.000 description 5
- 239000004567 concrete Substances 0.000 description 5
- 239000012634 fragment Substances 0.000 description 5
- 230000001965 increasing effect Effects 0.000 description 5
- 239000004570 mortar (masonry) Substances 0.000 description 5
- 239000004575 stone Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 239000011372 high-strength concrete Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 241000826860 Trapezium Species 0.000 description 1
- 241001227561 Valgus Species 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C5/00—Pavings made of prefabricated single units
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C15/00—Pavings specially adapted for footpaths, sidewalks or cycle tracks
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The present invention relates to a kind of prefabricated side walk slab and structure of sidewalk.Prefabricated side walk slab includes the top plate walked for passerby, the support plate being connected to below top plate both lateral sides, and the support plate and top plate of two sides surround longitudinally through U-lag.Prefabricated side walk slab in the present invention is provided with support plate, support plate and top plate surround longitudinally through U-lag, supporting beam need not be poured when site operation again, and cable can be set in U-lag, the workload at the prefabricated scene of capable of being reduced on prefabricated side walk slab of support plate, the construction efficiency at scene is improved, is constructed more convenient.
Description
Technical field
The present invention relates to a kind of prefabricated side walk slab and structure of sidewalk.
Background technique
In recent years, China's few, short time limit of wideling popularize field operation, various consumption and few green of circulation material dosage
Color structure, wherein fully-prefabricated assembled structure technology includes design standard, Light-duty Structural, element precast, production plant
Change and the construction contents such as assembling, well adapt to current national strategy requirement, fundamentally improve engineering mixed economy and
Social benefit and the industrial upgrading for promoting construction industry.
In the work progress of accessory structure of bridge, traditional side walk slab's system such as Authorization Notice No. is
A kind of pavement composite structure disclosed in CN105803924B, the Chinese invention patent that authorized announcement date is 2017.09.08,
The composite structure includes built-in fitting, gooseneck and precast rc slab, and the prefabricated of mixed passenger and freight railway is arranged in built-in fitting
Keep off the tiny fragments of stone, coal, etc. within the walls, the root of gooseneck is fixedly connected with built-in fitting, and the upper surface of the upper surface of gooseneck and prefabricated gear Zha Qiang are the same as flat
Face, gooseneck head end top are provided with noise barrier stand column, and precast rc slab is arranged in the upper surface of gooseneck, precast reinforced
Concrete slab is divided into vertical branch and transverse branch, and cable trough is formed between vertical branch and noise barrier stand column, transverse branch
Upper surface upwardly extends, and the root of transverse branch reserves reinforcing bar outward, which stretches to above prefabricated gear tiny fragments of stone, coal, etc. wall,
Casting concrete together when pouring cast-in-place gear tiny fragments of stone, coal, etc. wall above prefabricated gear tiny fragments of stone, coal, etc. wall.The top of vertical branch and setting are in noise barrier stand column
On angle steel between be covered with activity powder grinding concrete RPC plate, activity powder grinding concrete RPC plate, that is, side walk slab.The pavement
Composite structure uses precast rc slab, but still needs to pour gear Zha Qiang (i.e. supporting beam) to be laid with people above gear tiny fragments of stone, coal, etc. wall
Trade plate, and keep off Zha Qiang be it is necessary, gear Zha Qiang also need to surround the cable trough that current supply cable passes through together with side walk slab, by
This causes the problems such as site workload is big, construction efficiency is low, sequence of construction is complicated.
Summary of the invention
The purpose of the present invention is to provide a kind of prefabricated side walk slabs, are being laid with to solve existing prefabricated side walk slab
When due to needing first cast-in-place supporting beam cause the problem that site workload is big, construction efficiency is low, construction is complicated；Mesh of the invention
Also reside in the structure of sidewalk for providing that a kind of site workload is small, construction efficiency is high, easy for construction.
To achieve the above object, the technical solution of prefabricated side walk slab of the invention is:
Prefabricated side walk slab, including the top plate walked for passerby, the support plate being connected to below top plate both lateral sides, two sides
Support plate and top plate surround longitudinally through U-lag.
The beneficial effect of prefabricated side walk slab of the invention is: the prefabricated side walk slab in the present invention is provided with support plate,
Support plate and top plate surround longitudinally through U-lag, and when site operation need not pour supporting beam again, and can set in U-lag
Cable is set, side walk slab is integrally prefabricated side walk slab, i.e. the workload at the prefabricated scene of capable of reducing on top plate of support plate,
The construction efficiency at scene is improved, is constructed more convenient.
Further, the support plate bottom is provided with towards the varus portion extended in U-type groove, and varus portion is capable of increasing pre-
The area of side walk slab bottom surface processed enhances stability.
Further, the bottom of an at least side support plate is provided with the protrusion outwardly protruded backwards to the varus portion, convex
Portion can increase the area of side walk slab bottom surface out, and reinforce the support to top plate.
Further, it is embedded with the guardrail steel plate for installing guardrail on top plate, shield is arranged in when installation on guardrail steel plate
Column is simple and convenient.
To achieve the above object, the technical solution of structure of sidewalk of the invention is:
Structure of sidewalk, including side walk slab's paved surface, it is characterised in that: further include being laid on side walk slab's paving along longitudinal direction
If at least two prefabricated side walk slabs on face, prefabricated side walk slab includes the top plate walked for passerby, is connected to top plate transverse direction
The support plate of down either side, the support plate and top plate of two sides surround longitudinally through U-lag.
The beneficial effect of structure of sidewalk of the invention is: structure of sidewalk uses prefabricated side walk slab in the present invention,
Prefabricated side walk slab is provided with support plate, and support plate and top plate surround longitudinally through U-lag, and when site operation need not pour again
Supporting beam, and cable can be set in U-lag, the work at the prefabricated scene of capable of being reduced on prefabricated side walk slab of support plate
Amount, the construction efficiency at the scene of improving are constructed more convenient.
Further, the support plate bottom is provided with towards the varus portion extended in the U-type groove, varus portion and people's row
The support cooperation of guidance tape paved surface, varus portion are capable of increasing the area of prefabricated side walk slab bottom surface, enhance stability.
Further, structure of sidewalk further include transversely be laid in side walk slab's paved surface at least two described in
Prefabricated side walk slab is provided with longitudinal wet joint in transverse direction between two neighboring prefabricated side walk slab, and laterally upper two neighboring
The opposite support plate bottom of prefabricated side walk slab is provided with the protrusion outwardly protruded backwards to respective varus portion, longitudinal wet
The cross section of seam shape with a narrow upper and lower width, protrusion can reduce the amount of pouring of concrete when pouring, in addition protrusion
Also it can reinforce the support to top plate, increase the bonded area between side walk slab's paved surface.
Further, the shield for installing guardrail is embedded on the laterally top plate of upper outermost prefabricated side walk slab
It is simple and convenient that guardrail is arranged when installation on guardrail steel plate for column steel plate.
Further, structure of sidewalk further include transversely be laid in side walk slab's paved surface at least two described in
Prefabricated side walk slab, is provided with longitudinal wet joint in transverse direction between two neighboring prefabricated side walk slab, in side walk slab's paved surface
It is fixed with reinforcing bar between the prefabricated side walk slab in two transverse directions, passes through the reinforcing bar energy in longitudinal wet joint and longitudinal wet joint
Enough enhance the structural strength on pavement.
Further, the reinforcing bar longitudinally disposed at least two and L-shaped, a line of each reinforcing bar is each attached to people
In the plate paved surface of trade, another a line direction it is consistent, keep structural strength everywhere in pavement uniform towards consistent reinforcing bar.
Detailed description of the invention
Fig. 1 is the schematic diagram of the specific embodiment of structure of sidewalk of the invention；
Fig. 2 is the main view of Fig. 1；
Fig. 3 is the top view of Fig. 1；
Fig. 4 is the left view of Fig. 1；
Fig. 5 is prefabricated side walk slab's schematic diagram in outside in Fig. 1；
Fig. 6 is prefabricated side walk slab's schematic diagram of inside in Fig. 1；
Description of symbols: 1, top plate；2, support plate；21, varus portion；22, protrusion；3, reinforcing bar；4, guardrail steel plate；5,
Longitudinal wet joint；61, docking groove；62, docking protrusion；7, adhesive mortar；8, pipeline；9, bridge floor cantilever slab；10, hole for hoist.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
The specific embodiment of structure of sidewalk of the invention, as shown in Figure 1, due to usually requiring constructing in the prior art
Cast in situs is used to support the supporting beam of side walk slab, but pours supporting beam at the scene and will cause that site workload is big, work effect
Rate is low, construction is complicated.For overcome the deficiencies in the prior art, the present embodiment provides a kind of site workload is small, construction is simple is applied
The high-efficient structure of sidewalk of work.Prefabricated side walk slab in the present embodiment is laid on bridge floor cantilever slab 9, and side walk slab is laid with
Face is the upper surface of bridge floor cantilever slab 9.
As shown in Figure 1, the prefabricated sidewalk plate structure in the present embodiment includes side walk slab's paved surface and is laid on people's row
The prefabricated side walk slab that two rows in guidance tape paved surface are arranged side by side, prefabricated side walk slab include the top plate walked in top for people
1 and lower section support plate 2, support plate 2 is supported top plate 1 in the two sides of top plate 1.Since support plate 2 and top plate 1 are made as in advance
Integrally, it no longer needs to pour supporting beam when site operation, reduces workload, improve site operation efficiency, simplify construction
Process.In order to keep top plate 1 more stable, one end that support plate 2 is laid with face contact in lower section with side walk slab is provided with varus portion
21, varus portion 21 is capable of increasing the contact area between prefabricated side walk slab and side walk slab's paved surface, makes prefabricated side walk slab
It is more stable.Support plate 2 and top plate 1 positioned at two sides constitute inverted U-type groove, being capable of pipeline installation 8 in U-type groove.This reality
Apply the extending direction that the longitudinal direction in example is 2 length of support plate, two rows of prefabricated side walk slabs or so lateral arrangement.
As shown in Figures 2 and 3, longitudinal wet is provided between two prefabricated side walk slabs being arranged laterally side by side in the present embodiment
Seam 5 arranges the reinforcing bar 3 of a L-type, the reinforcing bar 3 of L-type in longitudinal wet joint 5 at interval of 200mm to 300mm along the longitudinal direction
It is embedded in side walk slab's paved surface in longitudinal wet joint 5 vertically on one side, wet seam 5 is prolonged along longitudinal direction in the horizontal direction on one side
It stretches.The prefabricated side walk slab of adjacent in transverse direction two can be made to connect by longitudinal wet joint 5 more stable, it will not be in cross
It is moved on direction.
As shown in Fig. 2, prefabricated side walk slabs that the difference in the present embodiment is arranged or so are adjacent, in the prefabricated side walk slab in left side
Right side support plate 2 on and the Left-side support plate 2 of the prefabricated side walk slab in right side on be provided with backwards to respective varus portion 21
Protrusion 22, two protrusions 22 are oppositely arranged, and 22 section of protrusion is right-angled trapezium shape, and upper bottom is opposite, and bottom is supported or opposed,
It is laid with face contact with side walk slab with waist at right angle is gone to the bottom, two protrusions 22 make the shape with a narrow upper and lower width of longitudinal wet joint 5
Shape.The concrete amount that longitudinal wet joint 5 uses is filled when 22 one side of protrusion can reduce site operation；Another aspect energy
The contact area of support plate 2 and side walk slab's paved surface, reinforces the support to top plate 1 where enough enhancings.In other embodiments,
Support plate setting it is thicker in the case where, protrusion can also be no longer set.
As shown in figure 4, prefabricated side walk slab is provided with docking protrusion 62 at top plate 1 and with other prefabricated side walk slabs'
Docking protrusion 62 cooperation docking grooves 61, longitudinally arranged two neighboring prefabricated side walk slab by docking groove 61 with dock it is convex
62 are played to be docked.In construction, docking protrusion 62 is Nian Jie by epoxy resin mortar with docking groove 61, and joint connection in site is convenient and reliable.
As shown in Figure 5 and Figure 6, support plate is increased with the prior art by prefabricated side walk slab in this present embodiment is opposite
2, therefore constant weight is increased, it is also set on top plate 1 for the ease of the prefabricated side walk slab in construction and installation, the present embodiment
The hole for hoist 10 of diameter 30mm to 50mm is equipped with for on-site hoisting, there are four hole for hoist 10 is set altogether, top plate 1 is separately positioned on and leans on
Nearly four corners.
As shown in figure 5, it is additionally provided with guardrail steel plate 4 in the top surface of prefabricated side walk slab on the outermost side in the present embodiment,
Convenient for the installation of sidewalk guardrail, two blocks of guardrail steel plates 4 are provided on every piece of prefabricated side walk slab as needed in the present embodiment.
When construction, the corresponding position first under each prefabricated side walk slab is laid with adhesive mortar 7, longitudinally successively spreads along bridge
If prefabricated side walk slab；When installation, loop wheel machine is connected by the hole for hoist 10 on prefabricated side walk slab, after lifting to corresponding position,
Hole for hoist 10 is blocked using mortar.Later, the docking protrusion 62 and docking groove between two longitudinally adjacent prefabricated side walk slabs
61 are bonded using epoxy resin mortar, finally use C40 concreting longitudinal wet joint 5 again.Prefabricated pavement in the present embodiment
Plate is all made of High Strength Concrete Structures, every piece of prefabricated side walk slab according to thickness in 40mm to 60mm, width along the longitudinal direction
For 1000mm to 2500mm, length in transverse direction is 1500mm to 2500mm, and plate is interior without regular reinforcement 3, and it is pre- to reduce factory
The complicated processes that reinforcing bar 3 is bound in system, improve the quality of pre-manufactured product.
The present invention uses fully-prefabricated assembled high-strength concrete structure of sidewalk, can be light in batch production standard production, structure
Typeization is prefabricated, full prefabricated construction etc., well adapts to current national strategy requirement.Fundamentally improve the mixed economy of engineering
With social benefit and promote the industrial upgrading of construction industry.Prefabricated side walk slab can bulk it is prefabricated, every piece of area is big, and factory is pre-
Appearance processed is guaranteed, and overall effect is good, and prefabricated components Forming Quality is good, while reducing the maintenance cost in later period, in China
Urban construction promotional value with higher.
Support plate in the present embodiment is connected to the end of top plate, and in other embodiments, support plate can also be not provided with
In end, it is arranged at position relatively close to the inner portion.In other embodiments, when bridge floor is relatively narrow, a row can also be only set
Wider prefabricated side walk slab constitutes pavement；Opposite, it also can be set when bridge floor is wider, in transverse direction multiple prefabricated
Side walk slab, such as the prefabricated side walk slab of three rows is set and constitutes pavement, prefabricated people's row is located in the middle in transverse direction at this time
Protrusion is provided on guidance tape plate supported on both sides.In other embodiments, when a row is only arranged in pavement in a lateral direction
When prefabricated side walk slab, it can according to need setting multiple support plates and top plate preferably supported, i.e., outermost two
Support plate is set again in the U-type groove that a support plate and top plate surround.In other embodiments, can also by support plate be arranged compared with
Valgus can be no longer arranged in thickness at this time.Pavement in the present embodiment is laid on bridge floor, in other embodiments, can also
To be laid on highway, on street or in park.
The specific embodiment of side walk slab of the invention, the tool of side walk slab and above-mentioned structure of sidewalk in the present embodiment
Sidewalk plate structure in body embodiment is identical, repeats no more.
Claims (10)
1. prefabricated side walk slab, it is characterised in that: including the top plate walked for passerby, the branch being connected to below top plate both lateral sides
Fagging, the support plate and top plate of two sides surround longitudinally through U-lag.
2. prefabricated side walk slab according to claim 1, it is characterised in that: the support plate bottom is provided with towards U-shaped
The varus portion extended in slot.
3. prefabricated side walk slab according to claim 2, it is characterised in that: the bottom of an at least side support plate is provided with back
The protrusion outwardly protruded to the varus portion.
4. prefabricated side walk slab according to claim 1 or 2 or 3, it is characterised in that: be embedded on top plate for installing shield
The guardrail steel plate on column.
5. structure of sidewalk, including side walk slab's paved surface, it is characterised in that: further include being laid on side walk slab's laying along longitudinal direction
At least two prefabricated side walk slabs on face, prefabricated side walk slab include the top plate walked for passerby, are connected to top plate lateral two
The support plate of side-lower, the support plate and top plate of two sides surround longitudinally through U-lag.
6. structure of sidewalk according to claim 5, it is characterised in that: the support plate bottom is provided with towards the U
The varus portion extended in type groove, varus portion and the support cooperation of side walk slab's paved surface.
7. structure of sidewalk according to claim 6, including side walk slab's paved surface, it is characterised in that: structure of sidewalk
Including be transversely laid in side walk slab's paved surface at least two described in prefabricated side walk slab, it is two neighboring pre- in transverse direction
Longitudinal wet joint is provided between side walk slab processed, and the laterally opposite support plate bottom of upper two neighboring prefabricated side walk slab
It is provided with the protrusion outwardly protruded backwards to respective varus portion, the cross section of longitudinal wet joint shape with a narrow upper and lower width.
8. according to structure of sidewalk described in claim 5 or 6 or 7, it is characterised in that: be located at laterally upper outermost prefabricated people
The guardrail steel plate for installing guardrail is embedded on the top plate of trade plate.
9. structure of sidewalk according to claim 5 or 6, it is characterised in that: structure of sidewalk includes transversely being laid on
In side walk slab's paved surface at least two described in prefabricated side walk slab, set between two neighboring prefabricated side walk slab in transverse direction
It is equipped with longitudinal wet joint, is fixed with reinforcing bar between the prefabricated side walk slab in two transverse directions in side walk slab's paved surface.
10. structure of sidewalk according to claim 9, it is characterised in that: the reinforcing bar longitudinally disposed at least two and
L-shaped, a line of each reinforcing bar is each attached in side walk slab's paved surface, the direction of another a line is consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811347901.2A CN109403173A (en) | 2018-11-13 | 2018-11-13 | Prefabricated side walk slab and structure of sidewalk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811347901.2A CN109403173A (en) | 2018-11-13 | 2018-11-13 | Prefabricated side walk slab and structure of sidewalk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109403173A true CN109403173A (en) | 2019-03-01 |
Family
ID=65473171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811347901.2A Pending CN109403173A (en) | 2018-11-13 | 2018-11-13 | Prefabricated side walk slab and structure of sidewalk |
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| Country | Link |
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| CN (1) | CN109403173A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110158456A (en) * | 2019-06-18 | 2019-08-23 | 中冶华天工程技术有限公司 | A kind of light-duty base systems and its construction method on bridge floor pavement |
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|---|---|---|---|---|
| JP2001288706A (en) * | 2000-04-06 | 2001-10-19 | Nippon Chuzo Kk | Expansion apparatus for sidewalk of bridge |
| CN201883372U (en) * | 2010-11-11 | 2011-06-29 | 北京惠诚基业工程技术有限责任公司 | Integral sidewalk pedestrian plate |
| CN102587267A (en) * | 2012-04-06 | 2012-07-18 | 浙江大学 | Tension-fabricated bridge with prestressed hollow-plate-girders and middle transverse partitions and construction method of tension-fabricated bridge with prestressed hollow-plate-girder and middle transverse partitions |
| CN102844498A (en) * | 2010-04-19 | 2012-12-26 | 国际机械金属公司 | Construction sidewalk for bridge |
| CN103255720A (en) * | 2013-05-28 | 2013-08-21 | 桂林理工大学 | Method for assembled integral type reinforced concrete slab bridge |
| CN206308570U (en) * | 2016-12-02 | 2017-07-07 | 成都建工工业化建筑有限公司 | The Prefabricated road installed for city pedestrian guardrail is mated formation plate |
| CN210031380U (en) * | 2018-11-13 | 2020-02-07 | 郑州交通建设投资有限公司 | Prefabricated sidewalk plate and sidewalk structure |
-
2018
- 2018-11-13 CN CN201811347901.2A patent/CN109403173A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001288706A (en) * | 2000-04-06 | 2001-10-19 | Nippon Chuzo Kk | Expansion apparatus for sidewalk of bridge |
| CN102844498A (en) * | 2010-04-19 | 2012-12-26 | 国际机械金属公司 | Construction sidewalk for bridge |
| CN201883372U (en) * | 2010-11-11 | 2011-06-29 | 北京惠诚基业工程技术有限责任公司 | Integral sidewalk pedestrian plate |
| CN102587267A (en) * | 2012-04-06 | 2012-07-18 | 浙江大学 | Tension-fabricated bridge with prestressed hollow-plate-girders and middle transverse partitions and construction method of tension-fabricated bridge with prestressed hollow-plate-girder and middle transverse partitions |
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| CN210031380U (en) * | 2018-11-13 | 2020-02-07 | 郑州交通建设投资有限公司 | Prefabricated sidewalk plate and sidewalk structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110158456A (en) * | 2019-06-18 | 2019-08-23 | 中冶华天工程技术有限公司 | A kind of light-duty base systems and its construction method on bridge floor pavement |
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