CN110468693A - A kind of high-performance anti-seismic Bridge Pier Structure System with replaceable plastic hinge - Google Patents
A kind of high-performance anti-seismic Bridge Pier Structure System with replaceable plastic hinge Download PDFInfo
- Publication number
- CN110468693A CN110468693A CN201910804708.5A CN201910804708A CN110468693A CN 110468693 A CN110468693 A CN 110468693A CN 201910804708 A CN201910804708 A CN 201910804708A CN 110468693 A CN110468693 A CN 110468693A
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- plastic hinge
- bridge pier
- segment
- replaceable plastic
- connecting plate
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- 210000003205 muscle Anatomy 0.000 claims abstract description 44
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 28
- 230000002787 reinforcement Effects 0.000 claims abstract description 22
- 239000004567 concrete Substances 0.000 claims abstract description 19
- 230000021715 photosynthesis, light harvesting Effects 0.000 abstract description 4
- 238000005452 bending Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 10
- 230000006378 damage Effects 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002689 soil Substances 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
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a kind of high-performance anti-seismic Bridge Pier Structure Systems with replaceable plastic hinge, belong to science of bridge building field, including cushion cap, replaceable plastic hinge segment, reinforced concrete bridge pier segment etc..In cushion cap pre-buried dowel with connect sleeve；Replaceable plastic hinge segment includes pvc pipe, SMA muscle and high tensile reinforcement, stirrup, high ductility concrete, lower connecting plate and upper junction plate etc.；Reinforced concrete bridge pier segment includes vertical muscle, stirrup, normal concrete and bottom connecting plate etc..Cushion cap is attached with replaceable plastic hinge segment lower connecting plate by high-strength bolt, and replaceable plastic hinge segment upper junction plate is attached with reinforced concrete bridge pier segment bottom connecting plate by high-strength bolt.The present invention in normal conditions of use in earthquake have better bending stiffness, bearing capacity and energy dissipation capacity.Replaceable plastic hinge segment can easily be replaced after shake, be easy to repair.
Description
Technical field
The present invention relates to science of bridge building fields, and in particular to a kind of high-performance anti-seismic bridge pier knot with replaceable plastic hinge
Structure system.
Background technique
China is earthquake-prone countries, is located between circum-Pacific seismic belt and Eurasian earthquake zone.Bridge is as lifeline
It is big to repair difficulty once casualties and economic loss are serious by eaerthquake damage for the important component of engineering.In addition, bridge
Beam damage also results in interruption of communication, influences the development of disaster relief work after shake, so that rescue personnel can not rush in time, disaster relief object
Money can not be sent in time, to aggravate the degree of seismic secondary disaster.Therefore, the anti-seismic performance of bridge is especially paid close attention to.
Currently, the bridge pier structure based on Ductility Design, moment of flexure of the potential plastic hinge region under geological process is larger,
It occur frequently that destroying.Once plastic hinge region generates serious destruction, bridge pier will generate larger offset, and be difficult to repair, it has to face
The problem of facing reconstruction.As can be seen that there are three aspects currently based on the bridge pier Aseismic Structure System of ductility: first is that
Current bridge pier structure plastic hinge region deformability is insufficient, often destroys after shake seriously, concrete damage destruction leads to plastic hinge
Bearing capacity decline；Second is that biggish residual displacement is caused in plastic hinge region after seriously destroying, it is difficult to repair；Third is that shake rear abutment is difficult
To repair, plastic hinge region is non-exchange, and elasticity is usually kept other than plastic hinge region, all rebuilds and leads and economic loss can be caused to increase
Greatly.
Novel bridge structural system based on recoverable function after shake or fast quick-recovery function is the hair of Future Projects antidetonation
Exhibition trend.Pier will not only keep biggish bearing capacity, it is also necessary to have biggish deformability, while require to shake
Residual displacement is smaller afterwards, can repair, and local damage is easily changed after destroying.Recoverable function bridge structure new system will be more advantageous
In realizing that high-performance of the bridge structure in meizoseismal area, damage be controllable and recoverability.
Summary of the invention
It is an object of the invention to solve Pier shock resistance deficiency, difficult problem is repaired after shake, is provided
A kind of high-performance anti-seismic Bridge Pier Structure System with replaceable plastic hinge.
To achieve the goals above, the technical solution adopted by the present invention are as follows:
A kind of high-performance anti-seismic Bridge Pier Structure System with replaceable plastic hinge, including cushion cap, replaceable plasticity articulated
Section, reinforced concrete bridge pier segment etc..In cushion cap pre-buried dowel with connect sleeve；Replaceable plastic hinge segment include pvc pipe,
SMA muscle and high tensile reinforcement, stirrup, high ductility concrete, lower connecting plate and upper junction plate etc.；Reinforced concrete bridge pier segment includes
Vertical muscle, stirrup, normal concrete and bottom connecting plate etc..
A kind of above-mentioned high-performance anti-seismic Bridge Pier Structure System with replaceable plastic hinge, setting can be more on the cushion cap
Plastic hinge segment is changed, reinforced concrete bridge pier segment, cushion cap and replaceable plastic hinge segment are set on replaceable plastic hinge segment
Lower connecting plate is attached by high-strength bolt, replaceable plastic hinge segment upper junction plate and reinforced concrete bridge pier segment bottom
Connecting plate is attached by high-strength bolt.
A kind of above-mentioned high-performance anti-seismic Bridge Pier Structure System with replaceable plastic hinge, pre-buried dowel in the cushion cap
With connect sleeve, connection sleeve is used to connect high-strength bolt and dowel.
A kind of above-mentioned high-performance anti-seismic Bridge Pier Structure System with replaceable plastic hinge, the replaceable plasticity articulated
Duan Yougao ductility concrete is filled, internal pre-buried pvc pipe, is installed with SMA muscle and high tensile reinforcement, SMA muscle and high-strength steel in pipe
Muscle can be alternately arranged symmetrically.
A kind of above-mentioned high-performance anti-seismic Bridge Pier Structure System with replaceable plastic hinge, the reinforced concrete bridge pier
Segment lower end is equipped with bottom connecting plate to be attached with replaceable plastic hinge segment.
A kind of above-mentioned high-performance anti-seismic Bridge Pier Structure System with replaceable plastic hinge, the lower connecting plate are reserved
SMA muscle and high tensile reinforcement threaded hole and the bolt hole being connect with cushion cap.
A kind of above-mentioned high-performance anti-seismic Bridge Pier Structure System with replaceable plastic hinge, the upper junction plate are reserved
SMA muscle and high tensile reinforcement threaded hole and the bolt hole being connect with bottom connecting plate.
A kind of above-mentioned high-performance anti-seismic Bridge Pier Structure System with replaceable plastic hinge, the bottom connecting plate are reserved
Vertical muscle threaded hole and the bolt hole being connect with upper junction plate.
A kind of above-mentioned high-performance anti-seismic Bridge Pier Structure System with replaceable plastic hinge, the SMA muscle and high-strength steel
Muscle both ends carry out jumping-up and screw thread are arranged so that the reserved screwed hole of reserved screwed hole and upper junction plate with lower connecting plate carries out
Connection.
A kind of above-mentioned high-performance anti-seismic Bridge Pier Structure System with replaceable plastic hinge, the vertical muscle lower end carry out upsetting
Slightly and screw thread is set to be attached with the screw thread steel hole of bottom connecting plate.
A kind of above-mentioned high-performance anti-seismic Bridge Pier Structure System with replaceable plastic hinge, the dowel top are upset simultaneously
Screw thread is set to match connection with the screw thread of connection sleeve pre-buried in cushion cap.
The invention has the following advantages that
1. replaceable plastic hinge segment of the invention is had using high ductility concrete and SMA muscle and high tensile reinforcement, SMA muscle
Super-elasticity ability, it is possible to provide good self-resetting capability and certain energy dissipation capacity, high ductility concrete have good ductility
Performance can effectively reduce plastic hinge region concrete cracking, avoid plastic hinge region concrete from occurring serious broken, guarantee enough hold
Loading capability and good energy dissipation capacity, therefore compared with the prior art, it is proposed by the present invention a kind of with replaceable plastic hinge
High-performance anti-seismic Bridge Pier Structure System in normal conditions of use in earthquake have better bending stiffness, bearing capacity and consumption
It can ability.
2. replaceable plastic hinge segment of the invention is carried out by high-strength bolt and cushion cap and reinforced concrete bridge pier segment
Connection, is convenient to be replaced, is easy to repair after shake, and bridge recovery is made to be open to traffic in time, saves preciousness for Post disaster relief
Time.
Detailed description of the invention
Fig. 1 is a kind of high-performance anti-seismic Bridge Pier Structure System organigram with replaceable plastic hinge.
Fig. 2 is a kind of replaceable plastic hinge segment signal of high-performance anti-seismic Bridge Pier Structure System with replaceable plastic hinge
Figure.
Fig. 3 is a kind of high-performance anti-seismic Bridge Pier Structure System Section A-A schematic diagram with replaceable plastic hinge.
Fig. 4 is a kind of high-performance anti-seismic Bridge Pier Structure System upper junction plate schematic diagram with replaceable plastic hinge.
Fig. 5 is a kind of high-performance anti-seismic Bridge Pier Structure System lower connecting plate schematic diagram with replaceable plastic hinge.
Fig. 6 is a kind of high-performance anti-seismic Bridge Pier Structure System bottom connecting plate schematic diagram with replaceable plastic hinge.
Fig. 7 is a kind of high-performance anti-seismic Bridge Pier Structure System dowel schematic diagram with replaceable plastic hinge.
Fig. 8 is a kind of high-performance anti-seismic Bridge Pier Structure System connection sleeve schematic diagram with replaceable plastic hinge.
Fig. 9 is a kind of high-performance anti-seismic Bridge Pier Structure System SMA muscle and high tensile reinforcement signal with replaceable plastic hinge
Figure.
Figure 10 is that a kind of high-performance anti-seismic Bridge Pier Structure System with replaceable plastic hinge indulges muscle schematic diagram.
Figure 11 is a kind of one schematic diagram of high-performance anti-seismic Bridge Pier Structure System embodiment with replaceable plastic hinge.
Figure 12 is a kind of two schematic diagram of high-performance anti-seismic Bridge Pier Structure System embodiment with replaceable plastic hinge.
Figure 13 is a kind of three schematic diagram of high-performance anti-seismic Bridge Pier Structure System embodiment with replaceable plastic hinge.
In figure: 1- cushion cap；1-1- dowel；1-1-1- dowel screw thread；1-2- connection sleeve；1-2-1 connection bush whorl；1-
3- normal concrete；The replaceable plastic hinge segment 2-；2-1-PVC pipe；2-2-SMA muscle and high tensile reinforcement；2-2-1-SMA muscle and height
Strong screw thread steel；2-3- stirrup；2-4- high ductility concrete；2-5- lower connecting plate；2-5-1-SMA muscle and high tensile reinforcement screw thread
Hole；2-5-2- bolt hole；2-6- upper junction plate；2-6-1-SMA muscle and high tensile reinforcement threaded hole；2-6-2- bolt hole；2-7- high
Strength bolt；3- reinforced concrete bridge pier segment；3-1- indulges muscle；3-1-1- indulges muscle screw thread；3-2- stirrup；3-3- normal concrete；
3-4- bottom connecting plate；3-4-1- indulges muscle threaded hole；3-4-2- bolt hole 3-5- high-strength bolt；3-6- nut；4- bent cap；5 systems
Beam.
Specific embodiment
With reference to the accompanying drawing to a kind of tool of the high-performance anti-seismic Bridge Pier Structure System with replaceable plastic hinge of the present invention
Body embodiment is illustrated:
As shown in figs 1-9, the present invention provides a kind of high-performance anti-seismic Bridge Pier Structure System with replaceable plastic hinge, main
It to include cushion cap 1, replaceable plastic hinge segment 2, reinforced concrete bridge pier segment 3 etc..In cushion cap 1 pre-buried dowel 1-1 with connect
Sleeve 1-2；Replaceable plastic hinge segment 2 includes pvc pipe 2-1, SMA muscle and high tensile reinforcement 2-2, stirrup 2-3, high ductility concrete
2-4, lower connecting plate 2-5 and upper junction plate 2-6 etc.；Reinforced concrete bridge pier segment 3 includes vertical muscle 3-1, stirrup 3-2, commonly mixes
Solidifying soil 3-3 and bottom connecting plate 3-4 etc..
Replaceable plastic hinge segment 2 is set on the cushion cap 1, reinforced concrete bridge is set on replaceable plastic hinge segment 2
Pier segment 3, cushion cap 1 and replaceable plastic hinge segment lower connecting plate 2-5 are attached by high-strength bolt 2-7, replaceable plasticity
Articulated section upper junction plate 2-6 and reinforced concrete bridge pier segment bottom connecting plate 3-4 is attached by high-strength bolt 3-5.
In the cushion cap 1 pre-buried dowel 1-1 with connect sleeve 1-2, connection sleeve 1-2 be used to connect high-strength bolt 2-7 and
Dowel 1-1.
The replaceable plastic hinge segment 2 is filled by high ductility concrete 2-4, internal pre-buried pvc pipe 2-1, pvc pipe
SMA muscle and high tensile reinforcement 2-2, SMA muscle and high tensile reinforcement 2-2 are installed in 2-1 to be alternately arranged symmetrically.
3 lower end of reinforced concrete bridge pier segment be equipped with bottom connecting plate 3-4 so as to replaceable plastic hinge segment 2 into
Row connection.
The lower connecting plate 2-5 reserves SMA muscle and the high tensile reinforcement threaded hole 2-5-1 and bolt hole 2- connecting with cushion cap 1
5-2。
The upper junction plate 2-6 reserve SMA muscle and high tensile reinforcement threaded hole 2-6-1 and with reinforced concrete bridge pier segment bottom
The bolt hole 2-6-2 of portion's connecting plate 3-4 connection.
The bolt hole 3-4-2 bottom connecting plate 3-4 reserved vertical muscle threaded hole 3-4-1 and connect with upper junction plate 2-6.
The SMA muscle and the both ends high tensile reinforcement 2-2 carry out jumping-up and screw thread 2-2-1 are arranged so as to lower connecting plate 2-5's
The reserved screwed hole 2-6-1 of reserved screwed hole 2-5-1 and upper junction plate 2-6 is attached.
The lower end vertical muscle 3-1 carries out jumping-up and screw thread 3-1-1 is arranged so as to the vertical muscle threaded hole with bottom connecting plate 3-4
3-4-1 is attached.
The top the dowel 1-1 is upset and screw thread 1-1-1 is arranged so as to the spiral shell with connection sleeve 1-2 pre-buried in cushion cap 1
Line 1-2-1 matching connection.
Several embodiments of the present invention in engineering:
As shown in figure 11, replaceable plastic hinge is set in single-columned pier structure, replaceable plastic hinge is set on cushion cap 1
Reinforced concrete bridge pier segment 3 is arranged on replaceable plastic hinge segment 2, lid is arranged on reinforced concrete bridge pier segment 3 for segment 2
Beam 4, replaceable plastic hinge segment 2 have good bending stiffness, bearing capacity and energy dissipation capacity.
As shown in figure 12, replaceable plastic hinge is set in two-columned pier structure, replaceable plastic hinge is set on cushion cap 1
Reinforced concrete bridge pier segment 3 is arranged on replaceable plastic hinge segment 2 for segment 2, and setting can on reinforced concrete bridge pier segment 3
Plastic hinge segment 2 is replaced, bent cap 4 is set on replaceable plastic hinge segment 2, bridge pier upper and lower ends are respectively provided with replaceable plasticity articulated
Section 2, can provide self-resetting capability preferably to reduce the residual displacement and plastic hinge corner of bridge pier, earthquake is effectively reduced to bridge pier
Destruction.
As shown in figure 13, replaceable plastic hinge is set in the bridge pier structure for being equipped with binder, replaceable modeling is set on cushion cap 1
Property articulated section 2, reinforced concrete bridge pier segment 3 is set on replaceable plastic hinge segment 2, is set on reinforced concrete bridge pier segment 3
Replaceable plastic hinge segment 2 is set, bent cap 4 is set on replaceable plastic hinge segment 2, is equipped between reinforced concrete bridge pier segment 3
Binder 5,5 both ends of binder are equipped with replaceable plastic hinge segment 2 and connect with reinforced concrete bridge pier segment 3.The structural system is just
Be often used and earthquake in there is enough lateral loading abilities and preferable self-resetting capability, and after macroseism, plastic hinge region with
Other outer positions keep elasticity, can be replaced after the damage of plastic hinge region, have preferable economy.
The above is only presently preferred embodiments of the present invention, not makees limit in any form to structure of the invention
System.Arrangement form and usage quantity of the invention is also not limited to above embodiments, can optimize choosing according to engineering is practical
It selects, anything that does not depart from the technical scheme of the invention, technical principle according to the present invention carries out above embodiments any
Modification, equivalent variations and decoration, still in the range of technical solution of the present invention.
Claims (8)
1. a kind of high-performance anti-seismic Bridge Pier Structure System with replaceable plastic hinge, it is characterised in that: the bridge pier includes cushion cap
(1), replaceable plastic hinge segment (2) and reinforced concrete bridge pier segment (3)；
Replaceable plastic hinge segment (2) is set on the cushion cap (1), armored concrete is set on replaceable plastic hinge segment (2)
Bridge pier segment (3).
2. a kind of high-performance anti-seismic Bridge Pier Structure System with replaceable plastic hinge according to claim 1, feature
Be: in cushion cap (1) pre-buried dowel (1-1) with connect sleeve (1-2)；Replaceable plastic hinge segment (2) include pvc pipe (2-1),
SMA muscle and high tensile reinforcement (2-2), stirrup (2-3), high ductility concrete (2-4), lower connecting plate (2-5) and upper junction plate (2-
6)；Reinforced concrete bridge pier segment (3) includes vertical muscle (3-1), stirrup (3-2), normal concrete (3-3) and bottom connecting plate
(3-4)；Cushion cap (1) is attached with replaceable plastic hinge segment (2) lower connecting plate (2-5) by high-strength bolt (2-7)；It can be more
It changes plastic hinge segment upper junction plate (2-6) and reinforced concrete bridge pier segment (3) bottom connecting plate (3-4) passes through high-strength bolt
(3-5) is attached；
In the cushion cap (1) pre-buried dowel (1-1) with connect sleeve (1-2), connection sleeve (1-2) be used to connect high-strength bolt
(2-7) and dowel (1-1)；
The plastic hinge segment (2) is filled by high ductility concrete (2-4), internal pre-buried pvc pipe (2-1), pvc pipe (2-
1) SMA muscle and high tensile reinforcement (2-2) are installed in, SMA muscle and high tensile reinforcement (2-2) are arranged symmetrically using alternating；
Reinforced concrete bridge pier segment (3) lower end be equipped with bottom connecting plate (3-4) so as to replaceable plastic hinge segment (2)
It is attached.
3. a kind of high-performance anti-seismic Bridge Pier Structure System with replaceable plastic hinge according to claim 2, feature
Be: the lower connecting plate (2-5) reserves SMA muscle and high tensile reinforcement threaded hole (2-5-1) and the bolt hole connecting with cushion cap (1)
(2-5-2)。
4. a kind of high-performance anti-seismic Bridge Pier Structure System with replaceable plastic hinge according to claim 2, feature
Be: the upper junction plate (2-6) is reserved SMA muscle and high tensile reinforcement threaded hole (2-6-1) and is connect with bottom connecting plate (3-4)
Bolt hole (2-6-2).
5. a kind of high-performance anti-seismic Bridge Pier Structure System with replaceable plastic hinge according to claim 2, feature
Bolt hole (the 3- for being: the bottom connecting plate (3-4) reserved vertical muscle threaded hole (3-4-1) and connect with upper junction plate (2-6)
4-2)。
6. a kind of high-performance anti-seismic Bridge Pier Structure System with replaceable plastic hinge according to claim 2, feature
Be: the SMA muscle and the high tensile reinforcement both ends (2-2) carry out jumping-up and be arranged screw thread (2-2-1) so as to lower connecting plate (2-5)
Reserved screwed hole (2-5-1) and the reserved screwed hole (2-6-1) of upper junction plate (2-6) be attached.
7. a kind of high-performance anti-seismic Bridge Pier Structure System with replaceable plastic hinge according to claim 2, feature
Be: the vertical muscle lower end (3-1) carries out jumping-up and screw thread (3-1-1) is arranged so as to the vertical muscle spiral shell with bottom connecting plate (3-4)
Pit (3-4-1) is attached.
8. a kind of high-performance anti-seismic Bridge Pier Structure System with replaceable plastic hinge according to claim 2, feature
Be: dowel (1-1) top it is upset and be arranged screw thread (1-1-1) so as to connection sleeve (1-2) pre-buried in cushion cap (1)
Screw thread (1-2-1) match connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910804708.5A CN110468693A (en) | 2019-08-28 | 2019-08-28 | A kind of high-performance anti-seismic Bridge Pier Structure System with replaceable plastic hinge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910804708.5A CN110468693A (en) | 2019-08-28 | 2019-08-28 | A kind of high-performance anti-seismic Bridge Pier Structure System with replaceable plastic hinge |
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| Publication Number | Publication Date |
|---|---|
| CN110468693A true CN110468693A (en) | 2019-11-19 |
Family
ID=68513886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910804708.5A Pending CN110468693A (en) | 2019-08-28 | 2019-08-28 | A kind of high-performance anti-seismic Bridge Pier Structure System with replaceable plastic hinge |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110847019A (en) * | 2019-11-20 | 2020-02-28 | 北京工业大学 | Steel plate connection-based reinforced concrete hollow pipe pier joint connection mode and structure |
| CN111501534A (en) * | 2020-05-07 | 2020-08-07 | 合肥工业大学 | Assembled post-earthquake replaceable combined pier |
| CN113430921A (en) * | 2021-08-02 | 2021-09-24 | 西南交通大学 | Can prosthetic prefabricated BRB pier plasticity hinge structure fast after shake |
| CN113802597A (en) * | 2021-08-29 | 2021-12-17 | 北京工业大学 | Self-resetting assembly type pier column system with seismic isolation and reduction functions |
| CN114561867A (en) * | 2022-03-10 | 2022-05-31 | 广州市市政工程设计研究总院有限公司 | Festival segmentation self-reset pier of removable power consumption spare after shake |
| CN117385732A (en) * | 2023-11-30 | 2024-01-12 | 石家庄铁道大学 | Prefabricated assembly type swing pier structure system, installation method and application |
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| CN210916988U (en) * | 2019-08-28 | 2020-07-03 | 北京工业大学 | High-performance anti-seismic pier structure system with replaceable plastic hinges |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110847019A (en) * | 2019-11-20 | 2020-02-28 | 北京工业大学 | Steel plate connection-based reinforced concrete hollow pipe pier joint connection mode and structure |
| CN111501534A (en) * | 2020-05-07 | 2020-08-07 | 合肥工业大学 | Assembled post-earthquake replaceable combined pier |
| CN113430921A (en) * | 2021-08-02 | 2021-09-24 | 西南交通大学 | Can prosthetic prefabricated BRB pier plasticity hinge structure fast after shake |
| CN113430921B (en) * | 2021-08-02 | 2022-06-17 | 西南交通大学 | Can prosthetic prefabricated BRB pier plasticity hinge structure fast after shake |
| CN113802597A (en) * | 2021-08-29 | 2021-12-17 | 北京工业大学 | Self-resetting assembly type pier column system with seismic isolation and reduction functions |
| CN114561867A (en) * | 2022-03-10 | 2022-05-31 | 广州市市政工程设计研究总院有限公司 | Festival segmentation self-reset pier of removable power consumption spare after shake |
| CN114561867B (en) * | 2022-03-10 | 2024-03-15 | 广州市市政工程设计研究总院有限公司 | Sectional type self-resetting bridge pier with replaceable energy consumption piece after earthquake |
| CN117385732A (en) * | 2023-11-30 | 2024-01-12 | 石家庄铁道大学 | Prefabricated assembly type swing pier structure system, installation method and application |
| CN117385732B (en) * | 2023-11-30 | 2024-06-04 | 石家庄铁道大学 | Prefabricated assembly type swing pier structure system, installation method and application |
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