CN109487678A - The bridge plate bridge pier connection structure of prefabricated bridge - Google Patents
The bridge plate bridge pier connection structure of prefabricated bridge Download PDFInfo
- Publication number
- CN109487678A CN109487678A CN201811513893.4A CN201811513893A CN109487678A CN 109487678 A CN109487678 A CN 109487678A CN 201811513893 A CN201811513893 A CN 201811513893A CN 109487678 A CN109487678 A CN 109487678A
- Authority
- CN
- China
- Prior art keywords
- pilot hole
- bar
- bridge
- ring cover
- clasp joint
- 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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Links
- 230000000630 rising effect Effects 0.000 claims abstract description 26
- 239000004567 concrete Substances 0.000 claims abstract description 22
- 241000656145 Thyrsites atun Species 0.000 claims abstract description 6
- 238000010276 construction Methods 0.000 claims description 35
- 229910000831 Steel Inorganic materials 0.000 claims description 23
- 239000010959 steel Substances 0.000 claims description 23
- 239000002184 metal Substances 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 230000005484 gravity Effects 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 239000011229 interlayer Substances 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 3
- 239000011150 reinforced concrete Substances 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000004073 vulcanization Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000005291 magnetic effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Classifications
-
- 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
-
- 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
- E01D19/04—Bearings; Hinges
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention relates to a kind of bridge plate bridge pier connection structures of prefabricated bridge, including bridge plate, bridge pier and rubber bar, the lower end surface of bridge plate is equipped with upper pilot hole, lower end surface is equipped with lower pilot hole, the opening of upper pilot hole is equipped with upper pilot hole ring cover and forms pilot hole ring cover, the opening of pilot hole is equipped with lower pilot hole ring cover and forms lower pilot hole ring cover, the upper end of rubber bar is hinged with several extension bars of rising to the bait, lower end is hinged with several lower clasp joint bars, the upper end of rubber bar is threaded through in pilot hole ring cover and rises to the bait extension bar clasp joint on upper pilot hole ring cover, concrete has been poured in upper pilot hole, the lower end of rubber bar is threaded through in lower pilot hole ring cover and lower clasp joint pike pole connects on lower pilot hole ring cover, concrete has been poured in lower pilot hole, gap is equipped between bridge plate and bridge pier.The present invention squeezes the advantages of anti-lateral displacement and antivibration, solves the problems, such as that the vibration isolating effect between existing prefabricated concrete structure interlayer is poor.
Description
Technical field
The present invention relates to the bridge plate bridge pier connection structures of bridge more particularly to a kind of prefabricated bridge.
Background technique
Bridge construction highway, high-speed railway and overhead road of city construction in be accent, in bridge construction, bridge plate into
There are two types of the modes of row construction: one kind is prefabricated construction, and another kind is cast in situs construction.Prefabricated construction, just
It is that bridge plate is resolved into cell cube to make in factory or precasting yard, then transports to the cell cube for constituting bridge plate at bridge place simultaneously
It is mounted on bridge pier.The advantages of this kind of method for bridge construction, is: bridge pier and bridge plate can parallel construction, the duration is relatively short；Bridge
(boat) current under bridge is influenced in process of construction small.It is existing when being attached to prefabricated bridge plate and bridge pier for by concrete into
Row pours together, and there are the deficiencies of junction Lateral resisting ability difference for which, have then been changed to pass through company in order to overcome the problems referred above
Joint chair is supported between bridge plate and bridge pier, and attachment base is linked together by bolt with bridge plate and bridge pier, although the connection type
Overcome the deficiency of anti-lateral displacement effect difference present in concrete binding mode, but there are bolt it is exposed be easy corrosion outside and
It damages short so as to cause service life.All there is the deficiency of vibration isolating effect difference in any way.
Summary of the invention
The present invention provides a kind of bridge plate bridge pier connection structures of prefabricated bridge that anti-lateral displacement vibration isolating effect is good, solve existing
Prefabricated assembled bridge plate and bridge pier between vibration isolating effect difference problem.
The above technical problem solves by the following technical programs: a kind of bridge plate bridge pier connection structure of prefabricated bridge, packet
Include bridge plate and bridge pier, which is characterized in that further include rubber bar, the lower end surface of the bridge plate is equipped with upper pilot hole, described
Integrally formed with upper pilot hole ring cover in the opening of upper pilot hole, the lower end surface of the bridge pier is equipped with lower pilot hole, described
Integrally formed with lower pilot hole ring cover in the opening of lower pilot hole, the upper end of the rubber bar is hinged with several upper clasp joints
Bar, lower end are hinged with several lower clasp joint bars, and the upper end of the rubber bar is threaded through in the upper pilot hole ring cover and institute
It states and rises to the bait extension bar clasp joint on upper pilot hole ring cover, poured concrete in the upper pilot hole and the extension bar of rising to the bait is same
Bridge plate is fixed together, and the lower end of the rubber bar is threaded through in the lower pilot hole ring cover and the lower clasp joint pike pole
It connects on lower pilot hole ring cover, has poured concrete in the lower pilot hole and the lower clasp joint bar is fixed on one with bridge pier
It rises, gap is equipped between the bridge plate and bridge pier.Since bridge plate connects by rubber bar with bridge pier and is provided with gap,
So that having vibration isolating effect between bridge plate bridge pier.Clasp joint bar and upper and lower clasp joint bar are hinged above and below being arranged, can either
Facilitate insertion that can guarantee reliable fixation again and prevent to move up and down, rubber bar is the energy being threaded through in bridge plate and bridge pier
It enough effectively prevent translating.Clasp joint bar is cast in concrete, so that will not corrode for metal, is used to play extension
The effect in service life.
Preferably, the extension bar of rising to the bait is equipped with upper limit potential head, it is upper fixed that the upper surface of the rubber bar is equipped with
Position vertical bar, extension bar clasp joint upper limit potential head when on the upper pilot hole ring cover of rising to the bait, which is located at, rises to the bait extension bar far from upper
On the side of pilot hole ring cover, the extension bar of rising to the bait is holded up on described when upper limit potential head is connected on the upper positioning vertical bar
Clasp joint bar be downwardly inclined and generate the torque turned downward and extension bar of rising to the bait it is directed downwardly projection be all located on the rubber bar.
The convenience for being that rubber bar is assembled together with bridge plate is good.Extension bar of rising to the bait can fall automatically after protruding into upper pilot hole
Under.
Preferably, the upper surface of the rubber bar is equipped on upper steel construction end plate, the extension bar of rising to the bait is hinged
It is hinged with the rubber bar on the upper steel construction end plate.Easy to connect and good reliability.
Preferably, the upper positioning vertical bar is also connected on the upper steel construction end plate, the upper positioning vertical bar is risen to the bait
Extension bar and upper limit potential head are all metal structure.It enables to the concrete being poured into pilot hole and upper positioning vertical bar, rise to the bait
Extension bar and upper limit potential head, which link together, constitutes reinforced concrete structure to improve bonding strength, solves interior intracavitary formation reinforcing bar
The problem of concrete.
Preferably, being equipped with upper pilot hole sidewall portion reinforced frame, the upper assembly orifice ring in the hole wall of the upper pilot hole
Upper hole cover reinforced frame is equipped in shape lid.It can be improved the structural strength of pilot hole.
Preferably, the lower clasp joint bar is equipped with lower limit potential head, it is lower fixed that the lower end surface of the rubber bar is equipped with
Position vertical bar, the lower clasp joint pike pole connect lower limit potential head when on the lower pilot hole ring cover and are located at lower clasp joint bar far under
On the side of pilot hole ring cover；It is described when the lower clasp joint bar holds up lower limit potential head and is connected on the lower positioning vertical bar
The center of gravity of lower clasp joint bar is located across one far from lower positioning vertical bar of the upright plane of hinged shaft of the lower clasp joint bar with rubber bar
Side, the projection of lower clasp joint bar upward are all located on the rubber bar；The lower clasp joint bar is ferromagnet, the lower pilot hole
Ring cover, which is equipped with, to be adsorbed the lower clasp joint bar and lower clasp joint bar is turned to and is abutted together with lower pilot hole ring cover
The permanent magnet of annular.Convenience when rubber bar is assembled together with bridge pier is good.Lower clasp joint bar can protrude into upper dress
After distribution on automatic turning to lower pilot hole ring cover.
Preferably, the lower end surface of the rubber bar is equipped on lower steel construction end plate, the lower clasp joint bar is hinged on
It is hinged with the rubber bar on the lower steel construction end plate.Easy to connect and good reliability.
Preferably, the upper positioning vertical bar is also connected on the upper steel construction end plate, the upper positioning vertical bar and upper
Spacing head is all metal structure.Enable to the concrete being poured into lower pilot hole and lower positioning vertical bar, lower clasp joint bar and under
Spacing head, which links together, constitutes reinforced concrete structure to improve bonding strength, solves and forms reinforced concrete in lower pilot hole
The problem of soil.
Preferably, the upper pilot hole is equipped with bridge plate portion plug hole and bridge plate portion gas vent, bridge plate portion plug hole
Bridge plate upper surface is all penetrated through with bridge plate portion gas vent, the lower pilot hole is equipped with bridge pier portion plug hole and bridge pier portion gas vent.?
Convenient and patency is good when casting concrete in upper pilot hole and lower pilot hole.It is not easy to generate bubble in concrete.Bridge plate
Portion's plug hole and bridge plate portion gas vent all penetrate through bridge plate upper surface, can construct by platform of bridge plate, convenient when construction.
Preferably, being equipped with upper pilot hole sidewall portion reinforced frame, the lower assembly orifice ring in the hole wall of the lower pilot hole
Lower opening cover reinforced frame is equipped in shape lid.It can be improved the structural strength of lower pilot hole.
Preferably, the rubber bar between the upper pilot hole ring cover for interference fit, the rubber branch
Strut between the lower pilot hole ring cover for interference fit.It can prevent from going out to flow from upper and lower pilot hole ring cover when slip casting
Out.
The present invention has an advantage that can be to carrying out vibration isolation between bridge plate and driving；Lateral resisting ability is good；Metalwork pours
It builds in concrete, it is not easy to generate corrosion damage.
Detailed description of the invention
Fig. 1 is the schematic diagram that embodiment one carries out a state when assembled.
Fig. 2 is the schematic diagram that one present invention of embodiment carries out another state when assembled.
Fig. 3 is the schematic diagram of embodiment one.
Fig. 4 is the schematic diagram of embodiment two.
In figure: bridge plate 1, upper pilot hole 11, upper pilot hole ring cover 13, upper pilot hole sidewall portion reinforced frame 14, upper port lid
Portion's reinforced frame 15, bridge plate portion plug hole 16, bridge plate portion gas vent 17, bridge pier 2, lower pilot hole 21, lower pilot hole ring cover 23, on
Pilot hole sidewall portion reinforced frame 24, lower opening cover reinforced frame 25, bridge pier portion plug hole 26, bridge pier portion gas vent 27, rubber
Bar 3, upper steel construction end plate 31, upper positioning vertical bar 311, extension bar 32 of rising to the bait, on ship and resell on another market 321, upper limit potential head 322, lower steel construction end
Plate 33, lower positioning vertical bar 331, lower clasp joint bar 34, under ship and resell on another market 341, lower limit potential head 342, by lower clasp joint bar with rubber bar
Hinged shaft upright plane S1, annular permanent magnet 35, upper pilot hole Concrete Filled body 36, lower pilot hole Concrete Filled body
37, gap S2.
Specific embodiment
The present invention will be further described below with reference to the accompanying drawings and embodiments.
Embodiment one, referring to figure 1, figure 2 and figure 3, a kind of bridge plate bridge pier connection structure of prefabricated bridge, including bridge plate 1, bridge pier
2 and rubber bar 3.
The lower end surface of bridge plate 1 is equipped with upper pilot hole 11.Integrally formed with upper pilot hole annular in the opening of upper pilot hole
Lid 13.Upper pilot hole sidewall portion reinforced frame 14 is equipped in the hole wall of upper pilot hole.Upper hole cover is equipped in upper pilot hole ring cover
Reinforced frame 15.Upper pilot hole is equipped with bridge plate portion plug hole 16 and bridge plate portion gas vent 17.Bridge plate portion plug hole and the exhaust of bridge plate portion
Hole all penetrates through bridge plate upper surface.
The lower end surface of bridge pier 2 is equipped with lower pilot hole 21.Integrally formed with lower pilot hole annular in the opening of lower pilot hole
Lid 23.Upper pilot hole sidewall portion reinforced frame 24 is equipped in the hole wall of lower pilot hole.Lower opening cover is equipped in lower pilot hole ring cover
Reinforced frame 25.Lower pilot hole is equipped with bridge pier portion plug hole 26 and bridge pier portion gas vent 27.
Vulcanization is fixed on steel construction end plate 31 on the upper surface of rubber bar 3.On the center of upper steel construction end plate
Equipped with upper positioning vertical bar 311.Upper positioning vertical bar 311 is metal structure.Upper steel construction end plate is equipped with several along upper steel construction
The circumferentially distributed extension bar 32 of rising to the bait of end plate.Rise to the bait extension bar by above ship and resell on another market 321 be hinged on upper steel construction end plate and with rubber branch
Strut is hinged.Extension bar of rising to the bait is metal structure.Extension bar of rising to the bait is equipped with upper limit potential head 322.Upper limit potential head is metal knot
Structure.It is separate that extension bar clasp joint when state (i.e.) in Fig. 2 upper limit potential head when on upper pilot hole ring cover of rising to the bait is located at extension bar of rising to the bait
On the side of upper pilot hole ring cover.Extension bar of rising to the bait holds up upper limit potential head and is connected to (i.e. shape in Fig. 1 when on positioning vertical bar
When state) extension bar of rising to the bait is downwardly inclined and extension bar of rising to the bait projection directed downwardly is all located on the rubber bar, and which makes
The extension bar that must rise to the bait generates the torque turned downward.
Vulcanization is fixed on lower steel construction end plate 33 on the lower end surface of rubber bar 3.On the center of lower steel construction end plate
Equipped with lower positioning vertical bar 331.Lower positioning vertical bar 331 is metal structure.Lower steel construction end plate is equipped with several along lower steel construction
The circumferentially distributed lower clasp joint bar 34 of end plate.Lower clasp joint bar is shipped and resell on another market under 341 to be hinged on lower steel construction end plate with rubber branch
Strut is hinged.Lower clasp joint bar is that the ferromagnetic iron material in metal structure is made.Lower clasp joint bar is equipped with lower limit
First 342.Lower limit potential head is metal structure.When lower clasp joint bar is overlapped on pilot hole ring cover under when state (i.e.) in Fig. 2
Spacing head is located on side of the lower clasp joint bar far from upper pilot hole ring cover.Lower clasp joint bar hold up upper limit potential head be connected to it is lower fixed
The center of gravity of clasp joint bar is located across hinged shaft of the lower clasp joint bar with rubber bar under when state () in Fig. 1 when on the vertical bar of position
The side far from lower positioning vertical bar of upright plane S1, the projection of lower clasp joint bar upward are all located on rubber bar.Rubber
The upper end of bar is threaded through in pilot hole ring cover.Rubber bar is same as above between pilot hole ring cover as interference fit.Upper dress
Pilot hole Concrete Filled body 36 is poured in distribution and the extension bar that will rise to the bait is fixed together with bridge plate.Under rubber bar
End is threaded through in lower pilot hole ring cover.Rubber bar between the lower pilot hole ring cover for interference fit.Lower clasp joint
Pike pole connects on lower pilot hole ring cover.Lower pilot hole Concrete Filled body 37 is poured in lower pilot hole and lower clasp joint bar is same
Bridge pier is fixed together.Gap S2 is equipped between bridge plate and bridge pier.
The process that the present invention is assembled are as follows: the extension bar that makes to rise to the bait is holded up upper limit potential head and is connected on positioning vertical bar, so
The upper end of rubber vibration insulating pad is protruded into upper pilot hole through upper pilot hole ring cover afterwards, goes up clasp joint after protruding under gravity
Bar overturns and snaps on pilot hole ring cover；Make lower clasp joint bar hold up lower limit potential head to be connected on lower positioning vertical bar, so
The lower end of rubber vibration insulating pad is protruded into lower pilot hole through lower pilot hole ring cover afterwards, uses magnetic on the upper surface of bridge pier after protruding into
Iron such as magnet are adsorbed and lower clasp joint bar are made to overturn and snap on lower pilot hole ring cover；Through upper pouring hole by concrete
In injection in pilot hole, concrete is injected in lower pilot hole through lower pouring hole.
Embodiment two, with the difference of embodiment one are as follows:
Referring to fig. 4, lower pilot hole ring cover is equipped with permanent magnet 35.Rubber bar protrude into after under the action of permanent magnet 35 under
Clasp joint bar overturns and snaps on lower pilot hole ring cover.It has been to be adsorbed without artificial separately that magnet and generate overturning, has mentioned
Convenience when high construction.
Claims (10)
1. a kind of bridge plate bridge pier connection structure of prefabricated bridge, including bridge plate and bridge pier, which is characterized in that further include rubber
Bar, the lower end surface of the bridge plate are equipped with upper pilot hole, integrally formed with upper pilot hole annular in the opening of the upper pilot hole
Lid, the lower end surface of the bridge pier are equipped with lower pilot hole, integrally formed with lower pilot hole annular in the opening of the lower pilot hole
Lid, the upper end of the rubber bar is hinged with several extension bars of rising to the bait, lower end is hinged with several lower clasp joint bars, the rubber
The upper end of bar is threaded through in the upper pilot hole ring cover and the extension bar clasp joint of rising to the bait is on upper pilot hole ring cover, it is described on
Concrete has been poured in pilot hole and the extension bar of rising to the bait has been fixed together with bridge plate, and the lower end of the rubber bar is worn
In the lower pilot hole ring cover and the lower clasp joint pike pole connects on lower pilot hole ring cover, pours in the lower pilot hole
There is concrete and the lower clasp joint bar is fixed together with bridge pier, gap is equipped between the bridge plate and bridge pier.
2. the bridge plate bridge pier connection structure of prefabricated bridge according to claim 1, which is characterized in that set on the extension bar of rising to the bait
There is upper limit potential head, the upper surface of the rubber bar is equipped with upper positioning vertical bar, and the extension bar clasp joint of rising to the bait is in the upper dress
The upper limit potential head is located at and rises to the bait on side of the extension bar far from upper pilot hole ring cover when on distribution ring cover, the extension bar of rising to the bait
Extension bar of rising to the bait described in holding up when upper limit potential head is connected on the upper positioning vertical bar is downwardly inclined and generates the power turned downward
Square and extension bar of rising to the bait it is directed downwardly projection be all located on the rubber bar.
3. according to the bridge plate bridge pier connection structure for the prefabricated bridge that claim 2 is stated, which is characterized in that the rubber bar it is upper
End face is equipped with upper steel construction end plate, and the extension bar of rising to the bait is hinged on the upper steel construction end plate and with the rubber bar
It is hinged.
4. according to the bridge plate bridge pier connection structure for the prefabricated bridge that claim 3 is stated, which is characterized in that the upper positioning vertical bar also connects
It connects on the upper steel construction end plate, the upper positioning vertical bar rises to the bait extension bar and upper limit potential head is all metal structure.
5. the bridge plate bridge pier connection structure of prefabricated bridge according to claim 1, which is characterized in that the hole of the upper pilot hole
It is equipped with upper pilot hole sidewall portion reinforced frame in wall, is equipped with upper hole cover reinforced frame in the upper pilot hole ring cover.
6. the bridge plate bridge pier connection structure of prefabricated bridge according to claim 1, which is characterized in that set on the lower clasp joint bar
There is lower limit potential head, the lower end surface of the rubber bar is equipped with lower positioning vertical bar, and the lower clasp joint pike pole connects in the lower dress
The lower limit potential head is located on side of the lower clasp joint bar far from lower pilot hole ring cover when on distribution ring cover；The lower clasp joint bar
When holding up lower limit potential head and being connected on the lower positioning vertical bar, the center of gravity of the lower clasp joint bar is located across the lower same rubber of clasp joint bar
The side far from lower positioning vertical bar of the upright plane of the hinged shaft of glue support rod, the projection of lower clasp joint bar upward are all located at the rubber
On support rod；The lower clasp joint bar is ferromagnet, and the lower pilot hole ring cover, which is equipped with, to be adsorbed the lower clasp joint bar and make
Lower clasp joint bar turns to the permanent magnet of the annular with lower pilot hole ring cover abutting together.
7. according to the bridge plate bridge pier connection structure for the prefabricated bridge that claim 6 is stated, which is characterized in that under the rubber bar
End face is equipped with lower steel construction end plate, and the lower clasp joint bar is hinged on the lower steel construction end plate and cuts with scissors with the rubber bar
It is connected together.
8. according to the bridge plate bridge pier connection structure for the prefabricated bridge that claim 7 is stated, which is characterized in that the upper pilot hole is equipped with bridge
Plate portion plug hole and bridge plate portion gas vent, bridge plate portion plug hole and bridge plate portion gas vent all penetrate through bridge plate upper surface, described
Lower pilot hole is equipped with bridge pier portion plug hole and bridge pier portion gas vent.
9. the bridge plate bridge pier connection structure of prefabricated bridge according to claim 1, which is characterized in that the hole of the lower pilot hole
It is equipped with upper pilot hole sidewall portion reinforced frame in wall, is equipped with lower opening cover reinforced frame in the lower pilot hole ring cover.
10. the bridge plate bridge pier connection structure of prefabricated bridge according to claim 1, which is characterized in that the rubber bar
With being interference fit between the upper pilot hole ring cover, the rubber bar was between the lower pilot hole ring cover
It is full of cooperation.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010562476.XA CN111676802B (en) | 2018-12-11 | 2018-12-11 | Bridge plate and pier connecting structure of prefabricated bridge |
| CN201811513893.4A CN109487678B (en) | 2018-12-11 | 2018-12-11 | Bridge plate and pier connecting structure of prefabricated bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811513893.4A CN109487678B (en) | 2018-12-11 | 2018-12-11 | Bridge plate and pier connecting structure of prefabricated bridge |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010562476.XA Division CN111676802B (en) | 2018-12-11 | 2018-12-11 | Bridge plate and pier connecting structure of prefabricated bridge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109487678A true CN109487678A (en) | 2019-03-19 |
| CN109487678B CN109487678B (en) | 2020-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010562476.XA Active CN111676802B (en) | 2018-12-11 | 2018-12-11 | Bridge plate and pier connecting structure of prefabricated bridge |
| CN201811513893.4A Active CN109487678B (en) | 2018-12-11 | 2018-12-11 | Bridge plate and pier connecting structure of prefabricated bridge |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202010562476.XA Active CN111676802B (en) | 2018-12-11 | 2018-12-11 | Bridge plate and pier connecting structure of prefabricated bridge |
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| Country | Link |
|---|---|
| CN (2) | CN111676802B (en) |
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| CN111676802B (en) | 2021-09-14 |
| CN109487678B (en) | 2020-08-11 |
| CN111676802A (en) | 2020-09-18 |
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