CN108411771A - The pier bottom structure and its assembly method of single track bridge pier, single track bridge pier - Google Patents
The pier bottom structure and its assembly method of single track bridge pier, single track bridge pier Download PDFInfo
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- CN108411771A CN108411771A CN201810374934.XA CN201810374934A CN108411771A CN 108411771 A CN108411771 A CN 108411771A CN 201810374934 A CN201810374934 A CN 201810374934A CN 108411771 A CN108411771 A CN 108411771A
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- pier
- cushion cap
- pier shaft
- main body
- shaft main
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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
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a kind of pier bottom structure of single track bridge pier and its assembly method, single track bridge piers comprising cushion cap, cushion cap connector, pier shaft, the first concrete section and/or the second concrete section being connect with the cushion cap by the cushion cap connector；It is characterized in that, the pier shaft includes：Pier shaft main body, profiled sheet and several vertical main reinforcements；The pier shaft main body is hollow structure inside, and the profiled sheet is set in the hollow portion of the pier shaft main body, and its cross section is closed geometric shape, by into the profiled sheet casting concrete to form first concrete section；The vertical main reinforcement is arranged around the profiled sheet outside wall surface.The prefabricated pier shaft of the present invention is made of armored concrete, after completion to be assembled into pier shaft concrete perfusion, both can guarantee that structure was specious, and met the weight demands of transport, lifting, and advantageously reduced difficulty of construction and cost, improve speed of application.
Description
Technical field
The present invention relates to the pier bottom structure and its assembly method of science of bridge building field more particularly to a kind of single track bridge pier and
Single track bridge pier.
Background technology
In the prior art, single track bridge bottom structure is all made of the construction technology of conventional on-site cast concrete, holder
Take tear open, reinforcing bar binding, concreting can all bring larger impact to urban transportation and environment；In addition cast-in-place concrete shadow
It is high to ring construction speed, quality control difficulties, security risk.
The pier bottom structure of prefabrication and assembly construction single track bridge pier mostly uses following method at present：Pier shaft bottom segment and bearing platform prefabrication
It is integral, then be connected in pier shaft position with other prefabricated subsections；It is in the milk using reinforcing bar between prefabricated entity pier shaft segment and cushion cap
Sleeve and the splicing of reserved steel bar scene, grouting, form whole.But the former needs prefabricated pier shaft bottom segment and cushion cap in advance, existing
Lead to be difficult to control the transport of different pier relative superiority or inferiority because of factors such as equipment hoisting ability, place limit when the connection of field, lift weight
Amount；The latter the problem of then there may be seam crossing weak links, it can not ensure the stress reliability and durability of connecting portion.
Invention content
The present invention is directed to the drawbacks described above of the prior art, provides a kind of pier bottom structure of single track bridge pier, has the pier bottom knot
The single track bridge pier of structure and the assembly method of the pier bottom structure, prefabricated pier shaft is made of armored concrete, after the completion of to be assembled
The concrete perfusion into pier shaft both can guarantee that structure was specious, meet the weight demands of transport, lifting, and can keep away
The problem of exempting from reinforcing bar grout sleeve connection scheme there may be seam crossing weak links, it is ensured that the stress of connecting portion is reliably and resistance to
Thus long property advantageously reduces difficulty of construction and cost, improves speed of application.
The technical solution adopted by the present invention to solve the technical problems is：
On the one hand, a kind of pier bottom structure of single track bridge pier is provided comprising cushion cap, passes through the cushion cap at cushion cap connector
Pier shaft, the first concrete section and/or the second concrete section that connector is connect with the cushion cap；The pier shaft includes：Pier shaft master
Body, profiled sheet and several vertical main reinforcements；
The pier shaft main body is hollow structure inside, and the profiled sheet is set in the hollow portion of the pier shaft main body,
And its cross section be closed geometric shape, by into the profiled sheet casting concrete to form first concrete
Portion；The vertical main reinforcement surround and is set among pier shaft main body.
Preferably, the cushion cap connector includes：Holding tank is opened on the cushion cap upper surface, for accommodating
State the bottom of pier shaft main body, and by the region casting concrete between the holding tank inner wall and pier shaft main body to form
Two concrete section, the connection being achieved between the cushion cap and pier shaft.
Preferably, the cushion cap connector includes：Cushion cap adds platform and holding tank；The holding tank is opened in the cushion cap
On upper surface；The cushion cap adds platform inner hollow, and connects the cushion cap upper surface；The holding tank adds the inside of platform with cushion cap
Be provided commonly for accommodating the bottom of the pier shaft main body, and by between the holding tank inner wall and pier shaft main body region and
The cushion cap adds the region casting concrete between platform inner wall and pier shaft main body to form the second concrete section, is achieved in described
Connection between cushion cap and pier shaft.
Preferably, it is equipped with the locating piece to raise up in the middle part of the holding tank.
Preferably, the cushion cap connector further includes：Several inside reinforcing ribs, one end are embedded in the cushion cap, separately
One end is stretched into first concrete section；And/or several outside reinforcing ribs, it is arranged around the pier shaft main body, and one end
It is embedded in the cushion cap, the other end stretches into second concrete section.
Preferably, the pier shaft further includes：Outsourcing coaming plate is close to the peripheral surface setting of the pier shaft main body.
Preferably, the pier shaft further includes：Several WELDING STUDSs being connected on the outsourcing coaming plate peripheral surface, and described cut
Power nail is respectively positioned in second concrete section.
Preferably, if the region between the outsourcing coaming plate and holding tank madial wall, which is equipped with, is surrounded the outside reinforcing rib
Do first annular stirrup；And/or the region between the outsourcing coaming plate and profiled sheet is equipped with and surrounds the of the vertical main reinforcement
Second ring stirrup.
On the one hand, a kind of single track bridge pier is provided comprising above-mentioned pier bottom structure.
On the one hand, a kind of assembly method of above-mentioned single track bridge pier pier bottom structure is also provided comprising following steps：
S1, prepare cushion cap and pier shaft main body, and the holding tank is opened up in advance in the cushion cap upper surface, while in pier shaft
Outsourcing coaming plate, WELDING STUDS is arranged in main body peripheral surface, and vertical main reinforcement and profiled sheet is arranged in the pier shaft body interior；
And one end of the pre-buried inside reinforcing rib and/or one end of the outside reinforcing rib in the cushion cap；
S2, it will be internally provided in the pier shaft main body assembly to locating piece of profiled sheet, with this by pier shaft main body bottom
It is positioned at the receiving groove center in portion pair, and the other end of the inside reinforcing rib is located in the profiled sheet, and/
Or, so that the outside reinforcing rib ring is arranged around the pier shaft main body, outsourcing coaming plate；
S3, into the profiled sheet casting concrete to form first concrete section；
And S4, to the region casting concrete between the holding tank inner wall and pier shaft main body to form the second concrete
Portion；
Or, connecing the cushion cap of inner hollow in cushion cap upper surface setting adds platform, by the holding tank inner wall and pier
Region and the cushion cap between body main body add the region casting concrete between platform inner wall and pier shaft main body to form second
Concrete section, the connection between being achieved on the outside of the cushion cap and pier shaft.
The advantageous effect of technical solution of the present invention is：
The present invention relative to traditional cast-in-place construction, can make more environmentally friendly bridge construction, few interference, safer, high quality and
Low consumption, it is easy for construction, be conducive to shorten the construction period, be convenient for overall process promotion message management, can promote and apply to high ferro, city
The bridges such as city's track, highway, municipal administration field has wide application space, is conducive to bridge sustainable development.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing：
Fig. 1 is the elevation of the pier bottom structure of single track bridge pier in the embodiment of the present invention one, three；
Fig. 2 is the cross-sectional view of the pier bottom structure of single track bridge pier in the embodiment of the present invention one；
Fig. 3 is the cross-sectional view of pier shaft in the embodiment of the present invention one；
Fig. 4 is the cross-sectional view of the pier bottom structure of single track bridge pier in the embodiment of the present invention two；
Fig. 5 is the cross-sectional view of pier shaft in the embodiment of the present invention three；
Fig. 6 is the installation step schematic diagram of single track bridge pier pier bottom structure in the embodiment of the present invention five.
Specific implementation mode
In order to make the purpose of the present invention, technical solution and advantage be more clearly understood, below in conjunction with drawings and examples,
The present invention will be described in further detail.It should be understood that specific embodiment described herein is only used for explaining this hair
It is bright, it is not intended to limit the present invention.
Embodiment one：
As shown in Figs. 1-2, the pier bottom structure of single track bridge pier of the invention includes cushion cap 1, cushion cap connector, is held by described
Pier shaft, the first concrete section 3 and/or the second concrete section 8 that platform connector is connect with the cushion cap 1.
Specifically, the cushion cap connector includes：Holding tank 16, several inside reinforcing ribs 15 and/or several outsides are reinforced
Muscle 9；The holding tank 16 is opened on 1 upper surface of the cushion cap, and the size of holding tank 16 is more than pier shaft overall dimensions, and pre-
Stay certain depth, the bottom for accommodating the pier shaft, make prefabricated pier shaft entirety bottom can total cross-section be embedded in cushion cap 1 top
In portion；Meanwhile 16 middle part of holding tank is equipped with the truncated cone-shaped locating piece 17 to raise up so that pier shaft is integrally put into holding tank
Can be accurate with 1 centering of cushion cap when 16, while the stabilization for ensuring that pier shaft is whole when being installed with cushion cap along bridge to, direction across bridge, make seam
Place is beautiful.
And by the region casting concrete between 16 inner wall of the holding tank and pier shaft main body 2 to form the second coagulation
Native portion 8, the connection between being achieved on the outside of the cushion cap 1 and pier shaft；
As shown in figure 3, the pier shaft includes：Pier shaft main body 2 is the hollow thin-wall made of armored concrete is prefabricated
Structure, inner hollow, cross section are rectangular or square；Profiled sheet 5 is set to the hollow portion of the pier shaft main body 2
It is interior, and its cross section is closed geometric shape identical with 2 cross section of pier shaft main body, i.e., in the present embodiment, the die mould
The cross section of steel plate 5 is also rectangular or square, and to form described first mixed for casting concrete by into the profiled sheet 5
Solidifying soil portion 3；It is set to the profiled sheet 5 inside the pier shaft main body 2 as a result, and can not only be used for the internal model of pier shaft entirety, and is not necessarily to
It is taken out after the completion of pier shaft is prefabricated, may continue as the template of later stage concrete perfusion into profiled sheet 5, on this basis,
Several 15 one end of inside reinforcing rib are embedded in the cushion cap 1, and it is mixed that the other end stretches into described first after the locating piece 17
In solidifying soil portion 3, cyclic structure identical with 2 cross section of pier shaft main body is integrally surrounded, thus reinforces the first coagulation in pier shaft
The connection in native portion 3 and cushion cap 1 enhances the overall construction intensity of pier bottom；Several vertical main reinforcements 4, according to being forced through calculating and setting,
It is around the setting of the periphery of the profiled sheet 5, the region between the pier shaft main body 2 and the profiled sheet 5, bottom
End is flushed with 2 bottom surface of pier shaft main body, and face contacts the bottom of 1 holding tank 16 of the cushion cap, and the other end upwardly extends, it is preferred that institute
Vertical main reinforcement 4 is stated to be arranged circumferentially close to the pier shaft main body 2；And outsourcing coaming plate 6 (preferably encased steel plate), it is close to described
The peripheral surface of pier shaft main body 2 is arranged, and cross section is closed geometric shape (such as square identical with 2 cross section of pier shaft main body
Shape or square), for the external mold as 2 bottom of pier shaft main body, the vertical main reinforcement 4 and profiled sheet 5 are enclosed in
In its hollow portion, on this basis, several outside reinforcing ribs 9 are arranged around the pier shaft main body 2,6 periphery of outsourcing coaming plate,
One end is embedded in the cushion cap 1, and the other end upwardly extends, and integrally surrounds ring identical with 2 cross section of pier shaft main body
Shape structure；
In the present embodiment, the vertical main reinforcement 4 and profiled sheet 5 can full-height/Partial Height be laid in pier shaft main body 2
Within, and be aligned with the upper and lower end face of pier shaft main body 2.
In addition, as shown in Fig. 2, the region between 16 madial wall of the outsourcing coaming plate 6 and holding tank is equipped with and surrounds outside described
Several first annular stirrups 10 of side reinforcing rib 9 surround closed circular structure (i.e. square identical with 2 cross section of pier shaft main body
Shape or square)；And/or the region between the outsourcing coaming plate 6 and profiled sheet 5 is equipped with and surrounds the of the vertical main reinforcement 4
Second ring stirrup 10 ', surrounds closed circular structure (i.e. rectangular or square) identical with 2 cross section of pier shaft main body, and with
Each vertical main reinforcement 4 connects, it is preferred that the first reinforcement stirrup 11 is additionally provided in the region that the second ring-shaped stirrup 10 ' surrounds
And/or second reinforce stirrup 12；And first reinforce stirrup 11 and/or second reinforce stirrup 12 both ends with it is described second annular
Stirrup 10 ' connects；When existing simultaneously the first reinforcement stirrup 11 and second reinforcement stirrup 12, the two is arranged in a crossed manner；Further,
Region between first reinforcement stirrup 11 and the second ring-shaped stirrup 10 ' is additionally provided at least one the first supporting ribs 13, and both ends are divided
Described first is not connected reinforces stirrup 11 and the second ring-shaped stirrup 10 '；And/or second reinforce stirrup 12 and the second ring-shaped stirrup
Region between 10 ' is additionally provided at least one the second supporting ribs 14, and both ends are separately connected described second and reinforce stirrup 12 and the
Second ring stirrup 10 '；Thus the fixed effect to vertical main reinforcement 4, while the anti-seismic performance of reinforced pier basal cross section are further enhanced；
Further, the pier shaft further includes：Several WELDING STUDSs 7 being connected on 6 peripheral surface of outsourcing coaming plate, and institute
It states WELDING STUDS 7 to be respectively positioned in second concrete section 8, so that the outside of pier shaft main body 2, the second concrete section 8, outside
Reinforcing rib 9 and stirrup etc. form steel-and mix combined system, and show pier shaft jointly by the first concrete section 3 and the second concrete section 8
Effective force between entirety and cushion cap 1.
Embodiment two：
The present embodiment the difference is that only with embodiment one, as shown in Figure 1, the cushion cap connector includes：Cushion cap
Add platform 20, holding tank 16, several inside reinforcing ribs 15 and/or several outside reinforcing ribs 9；The cushion cap adds 20 inner hollow of platform,
And connection 1 upper surface of cushion cap；The holding tank 16 adds the inside of platform 20 to be provided commonly for accommodating the bottom of the pier shaft with cushion cap
Portion, between 16 madial wall of the outsourcing coaming plate 6 and holding tank and outsourcing coaming plate 6 and cushion cap add the region between 20 madial wall of platform
It is equipped with several first annular stirrups 10 for surrounding the outside reinforcing rib 9；And by 16 inner wall of the holding tank and pier shaft
Region and the cushion cap between main body 2 add the region casting concrete between 20 inner wall of platform and pier shaft main body 2 to form
Two concrete section 8, the connection being achieved between the cushion cap 1 and pier shaft.
Embodiment three：
As illustrated in figures 4-5, the present embodiment and embodiment one the difference is that only, the pier shaft main body 2 and die mould steel
The cross section of plate 5 is circle；Corresponding, first annular stirrup 10 and the second ring-shaped stirrup 10 ' are circle；
And the region between second ring-shaped stirrup 10 ' and profiled sheet 5 be equipped with third circumferential direction stirrup 18, surround with
The identical closed circular structure in 2 cross section of pier shaft main body (i.e. round), and the second ring-shaped stirrup 10 ' and third circumferential direction stirrup 18 it
Between region be additionally provided at least one third supporting rib 19, both ends are separately connected second ring-shaped stirrup 10 ' and third ring
To stirrup 18；Meanwhile the region between the profiled sheet 5 and outsourcing coaming plate 6 is additionally provided at least one and third circumferential direction
The erection main reinforcement 21 of the connection of stirrup 18 (such as welding), thus can be by erecting main reinforcement 21 to the second ring-shaped stirrup 10 ', third ring
The system formed to stirrup 18 and third supporting rib 19 is supported and reinforces.
Other structures setting is with reference to embodiment one, two, and details are not described herein.
Example IV：
Present embodiments provide a kind of single track bridge pier comprising the pier bottom structure of above-described embodiment one to three.
Embodiment five：
The assembly method of pier bottom structure in above-described embodiment one to three is present embodiments provided, as shown in Figure 4 comprising such as
Lower step：
S1, prepare cushion cap 1 and pier shaft main body 2, and the holding tank 16 is opened up in advance in 1 upper surface of the cushion cap, simultaneously
In 2 peripheral surface of pier shaft main body (the preferably lower part of peripheral surface) setting outsourcing coaming plate 6, WELDING STUDS 7, and in the pier shaft main body 2
Inside setting profiled sheet 5 and vertical main reinforcement 4；And in the cushion cap 1 one end 15 of the pre-buried inside reinforcing rib and/or
One end of the outside reinforcing rib 9；
S2, the pier shaft main body 2 that will be internally provided with the profiled sheet 5 are assembled on locating piece 17, with this by the pier
16 center of the holding tank is positioned in 2 bottom pair of body main body, and it is described so that the other end of the inside reinforcing rib 15 is located at
In profiled sheet 5, and/or so that the outside reinforcing rib 9 is arranged around the pier shaft main body 2, outsourcing coaming plate 6；
S3, into the profiled sheet 5 casting concrete to form first concrete section 3；
And S4, to the region S10 casting concretes between 16 inner wall of the holding tank and pier shaft main body 2 to form second
Concrete section 8；Or, the cushion cap that inner hollow is arranged in 1 upper surface of the cushion cap adds platform 20, by 16 inner wall of the holding tank
It is mixed that region S10 and the cushion cap between pier shaft main body 2 add the region S20 between 20 inner wall of platform and pier shaft main body 2 to pour
Solidifying soil is to form the second concrete section 8, the connection being achieved between the cushion cap 1 and pier shaft.
It should be noted that the technical characteristic in above-described embodiment one to five can carry out arbitrary combination, the skill being composed
Art scheme all belongs to the scope of protection of the present invention.
In conclusion the prefabricated pier shaft in the present invention is using rectangle made of armored concrete or circular hollow thin-walled knot
Structure, can with cushion cap complete it is assembled after to the inside and outside concrete perfusion of pier shaft, form pier bottom structure, the program both can guarantee
Structure is specious, meets the weight demands of transport, lifting, and there may be seams for avoidable reinforcing bar grout sleeve connection scheme
The problem of locating weak link, it is ensured that the stress of connecting portion is reliable and durability, advantageously reduces difficulty of construction and cost, raising
Speed of application makes more environmentally friendly bridge construction, few interference, safer, high quality and low disappears relative to traditional cast-in-place construction
Consumption, it is easy for construction, be conducive to shorten the construction period, be convenient for overall process promotion message management, can promote and apply to high ferro, city rail
The bridges such as road, highway, municipal administration field has wide application space, is conducive to bridge sustainable development.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of pier bottom structure of single track bridge pier comprising cushion cap, cushion cap connector are held by the cushion cap connector with described
Pier shaft, the first concrete section and/or the second concrete section of platform connection；It is characterized in that, the pier shaft includes：Pier shaft main body,
Profiled sheet and several vertical main reinforcements；
The pier shaft main body is hollow structure inside, and the profiled sheet is set in the hollow portion of the pier shaft main body, and its
Cross section is closed geometric shape, by into the profiled sheet casting concrete to form first concrete section；Institute
Vertical main reinforcement is stated around being set among pier shaft main body.
2. pier bottom structure as described in claim 1, which is characterized in that the cushion cap connector includes：Holding tank is opened in
On the cushion cap upper surface, the bottom for accommodating the pier shaft main body, and by the holding tank inner wall and pier shaft main body
Between region casting concrete to form the second concrete section, the connection being achieved between the cushion cap and pier shaft.
3. pier bottom structure as described in claim 1, which is characterized in that the cushion cap connector includes：Cushion cap adds platform and appearance
Receive slot；The holding tank is opened on the cushion cap upper surface；The cushion cap adds platform inner hollow, and connects the cushion cap upper end
Face；The holding tank and cushion cap add the inside of platform to be provided commonly for accommodating the bottom of the pier shaft main body, and by the receiving
Region and the cushion cap between slot inner wall and pier shaft main body add the region casting concrete between platform inner wall and pier shaft main body
To form the second concrete section, the connection being achieved between the cushion cap and pier shaft.
4. pier bottom structure as claimed in claim 2 or claim 3, which is characterized in that determine equipped with what is raised up in the middle part of the holding tank
Position block.
5. pier bottom structure as claimed in claim 2 or claim 3, which is characterized in that the cushion cap connector further includes：Several insides add
Strengthening tendons, one end are embedded in the cushion cap, and the other end stretches into first concrete section；And/or several outsides are reinforced
Muscle is arranged around the pier shaft main body, and one end is embedded in the cushion cap, and the other end stretches into second concrete section.
6. pier bottom structure as claimed in claim 5, which is characterized in that the pier shaft further includes：Outsourcing coaming plate is close to described
The peripheral surface of pier shaft main body is arranged.
7. pier bottom structure as claimed in claim 6, which is characterized in that the pier shaft further includes：It is connected to the outsourcing coaming plate
Several WELDING STUDSs on peripheral surface, and the WELDING STUDS is respectively positioned in second concrete section.
8. pier bottom structure as claimed in claim 7, which is characterized in that the area between the outsourcing coaming plate and holding tank madial wall
Domain is equipped with several first annular stirrups for surrounding the outside reinforcing rib；And/or between the outsourcing coaming plate and profiled sheet
Region is equipped with the second ring-shaped stirrup for surrounding the vertical main reinforcement.
9. a kind of single track bridge pier, which is characterized in that including such as claim 1-8 any one of them pier bottom structure.
10. a kind of assembly method of single track bridge pier pier bottom structure as claimed in claim 7, which is characterized in that including walking as follows
Suddenly：
S1, prepare cushion cap and pier shaft main body, and the holding tank is opened up in advance in the cushion cap upper surface, while in pier shaft main body
Outsourcing coaming plate, WELDING STUDS is arranged in peripheral surface, and vertical main reinforcement and profiled sheet is arranged in the pier shaft body interior；And
One end of the pre-buried inside reinforcing rib and/or one end of the outside reinforcing rib in the cushion cap；
S2, it will be internally provided in the pier shaft main body assembly to locating piece of profiled sheet, with this by the pier shaft bottom part body pair
In be positioned at the receiving groove center, and the other end of the inside reinforcing rib is located in the profiled sheet, and/or,
So that the outside reinforcing rib ring is arranged around the pier shaft main body, outsourcing coaming plate；
S3, into the profiled sheet casting concrete to form first concrete section；
And S4, to the region casting concrete between the holding tank inner wall and pier shaft main body to form the second concrete section；
Or, connecing the cushion cap of inner hollow in cushion cap upper surface setting adds platform, by the holding tank inner wall and pier shaft master
Region and the cushion cap between body add the region casting concrete between platform inner wall and pier shaft main body to form the second coagulation
Native portion, the connection between being achieved on the outside of the cushion cap and pier shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810374934.XA CN108411771A (en) | 2018-04-24 | 2018-04-24 | The pier bottom structure and its assembly method of single track bridge pier, single track bridge pier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810374934.XA CN108411771A (en) | 2018-04-24 | 2018-04-24 | The pier bottom structure and its assembly method of single track bridge pier, single track bridge pier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108411771A true CN108411771A (en) | 2018-08-17 |
Family
ID=63136568
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810374934.XA Pending CN108411771A (en) | 2018-04-24 | 2018-04-24 | The pier bottom structure and its assembly method of single track bridge pier, single track bridge pier |
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| CN (1) | CN108411771A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020248313A1 (en) * | 2019-06-12 | 2020-12-17 | 建华建材（中国）有限公司 | Precast high-strength concrete composite bridge pier structure and construction method therefor |
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| JP2003301470A (en) * | 2002-04-10 | 2003-10-24 | Oriental Construction Co Ltd | Foundation base isolation structure using two layer separation type footing and its repair method |
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| WO2020248313A1 (en) * | 2019-06-12 | 2020-12-17 | 建华建材（中国）有限公司 | Precast high-strength concrete composite bridge pier structure and construction method therefor |
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