CN107964868A - A kind of Self-resetting spring retainer buffers the anti-fall girder construction of Antivibration block - Google Patents
A kind of Self-resetting spring retainer buffers the anti-fall girder construction of Antivibration block Download PDFInfo
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- CN107964868A CN107964868A CN201711275327.XA CN201711275327A CN107964868A CN 107964868 A CN107964868 A CN 107964868A CN 201711275327 A CN201711275327 A CN 201711275327A CN 107964868 A CN107964868 A CN 107964868A
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- 238000010276 construction Methods 0.000 title claims abstract description 20
- 239000000872 buffer Substances 0.000 title description 3
- 230000003139 buffering effect Effects 0.000 claims abstract description 16
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 14
- 239000000956 alloy Substances 0.000 claims abstract description 14
- 238000010521 absorption reaction Methods 0.000 claims abstract description 4
- 238000002955 isolation Methods 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 239000004567 concrete Substances 0.000 claims description 12
- 230000035939 shock Effects 0.000 claims description 6
- 125000006850 spacer group Chemical group 0.000 claims description 6
- 238000004873 anchoring Methods 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims 1
- 238000009413 insulation Methods 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 description 12
- 230000000694 effects Effects 0.000 description 11
- 230000006378 damage Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 239000011150 reinforced concrete Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 229910001285 shape-memory alloy Inorganic materials 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 239000011513 prestressed concrete Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
A kind of spring retainer buffering anti-fall girder construction of Antivibration block for being capable of Self-resetting, it is characterised in that：Including block block, marmem column, spring retainer；Block block is uniformly to be integrally provided in pier top bent cap both upper ends thereof with pier top bent cap；Pier top bent cap top surface is provided with vibration absorption and isolation support, and beam body is supported on the vibration absorption and isolation support；The both ends of marmem column respectively with block block and the spiral fixation of beam body；Spring retainer is connected between pier top bent cap and beam body and with both；Rubber sleeve and spring built in rubber sleeve be nested with block block outer shape memorial alloy bolt head be placed on the outside of block block and on the inside of marmem bolt head between；Marmem column reserves certain distance by beam body and block block middle part between block block and beam body and outer shape memorial alloy bolt head.The present invention has the advantages that simple structure, practicality are high, compatibility is strong, coordinability is good, easy for construction.
Description
Technical field
The invention belongs to bridge earthquake resistance technical field, and in particular to a kind of Self-resetting spring retainer buffering Antivibration block is anti-fall
Girder construction.
Background technology
China is in circum-Pacific seismic belt and the border land of Eurasian earthquake zone, is the country of earthquake more than one, from 20 generation
Record the eighties, China enters new Earthquake Activity Periods, and earthquake occurrence frequency significantly improves.And the earthquake disaster tool in China
There is the features such as intensity is big, frequency is high, has a very wide distribution.China has built substantial amounts of highway bridge in recent years, once in earthquake
Destroying, this not only will cause greatly to threaten to the people's lives and property, will more restrict Chinese society expanding economy,
Also will cause greatly to lose.The violent earthquake several times in China also generates substantial amounts of bridge collapse, this is flourishing to China
The construction of road and bridge of development forms serious potential threat.Studied by investigation statistics, destruction performance of the Bridges in Our Country in earthquake
Form is mainly：Between beam body and bridge pier direction across bridge, along bridge to displacement it is excessive produce fall beam earthquake；Along bridge to cross-bridges
To the huge impact force between Antivibration block and beam body, can cause block and the autoclasia of beam body；Beam body is opposite at expansion joint
Collision causes expansion joint and beam body local damage, and collision effect is delivered to the bridge pier abutment of lower part, causes its generation can not
Restorative damage；Vertical displacement caused by seismic wave causes beam body to come off with bearing and causes the dual damage of bearing and beam body
It is bad.
The bridge in China is in order to limit top beam body direction across bridge with suitable bridge to relative displacement at present, often at the top of pier cap beam
Both sides or bent cap sidepiece set reinforced concrete block, and the limitation research to vertical displacement is less.Traditionally prevent horizontal position
Shifting all can only be that one in the block of the gear in left and right two works, it is impossible to two blocks is worked at the same time.Ordinary reinforced concrete
It is rigid collision between block and beam body, if block rigidity is too small, the damage of unrepairable easily occurs for block；And work as block
When rigidity is excessive, easily make beam body that local failure occur and collision effect between block and beam body is delivered at the expansion joint of top with
Cause to damage at portion's bridge pier.In addition current most of blocks cannot handle the seismic energy of aftershock well.
Prevent to overcome drawbacks described above, it is necessary to design and develop a kind of new Self-resetting spring retainer buffering Antivibration block
Fall girder construction, can not only be flexible impact the rigid collision buffering between block and beam body, additionally it is possible to limit the horizontal stroke of beam body
Bridge is to the seismic energy brought with vertical displacement, effective dissipation aftershock and plays the role of Self-resetting.
The content of the invention
In view of the prior art and above-mentioned deficiency structurally, the spring retainer of Self-resetting can be being crossed the present invention provides a kind of
The anti-fall girder construction of Antivibration block is buffered, direction across bridge and perpendicular bridge is limited to relatively large displacement between beam body and bridge pier, prevents from propping up
Seat damage, prevents beam body from falling beam earthquake, when bridge is subject to the external drives such as earthquake, wind shake, can effectively reduce impact zone
The local damage in domain and the vibrational excitation that bridge is transferred to by spring assembly effective attenuation different directions, effectively weaken beam body pair
The effect of impact of Antivibration block and the seismic energy that dissipates, and reach effective consumption using the characteristic and spring structure of marmem
Aftershock energy is dissipated, plays the role of Self-resetting.
To achieve the above object, the technical scheme is that, a kind of spring retainer buffering antidetonation for being capable of Self-resetting is kept off
The anti-fall girder construction of block, it is characterised in that：Including block block（3）, marmem column（10）, spring retainer D；Block block
Body（3）With pier top bent cap（1）To be uniformly integrally provided in pier top bent cap（1）Both upper ends thereof；Pier top bent cap（1）Top surface, which is provided with, to be subtracted
Shock isolating pedestal（14）, beam body（2）It is supported on the vibration absorption and isolation support；Marmem column（10）Both ends respectively with block
Block（3）And beam body（2）Spiral fixation；Spring retainer D is located at pier top bent cap（1）With beam body（2）Between and be connected with both；
Rubber sleeve（7）With rubber sleeve built in spring（5）With block block（3）Outer shape memorial alloy bolt head（6）Nesting is placed in
Block block（3）Outside and marmem bolt head（6）Between inner side；Marmem column（10）Pass through beam body（2）
With block block（3）Middle part, block block（3）With beam body（2）With outer shape memorial alloy bolt head（6）Between reserve it is certain
Distance.
Middle parts of the spring retainer D between pier top bent cap and beam body, by armored concrete triangular block（13）, bullet
Spring（12）, steel plate bed course（11）, dowel（15）Form, steel plate bed course（11）It is embedded in armored concrete triangular block（13）Surface,
Spring（12）It is anchored in and is embedded in beam body（2）With pier top bent cap（1）Interior dowel（15）, spring（12）Head is embedded to reinforced concrete
Native triangular block（13）And connect top beam body（2）With lower part pier top bent cap（1）.The structure can along bridge to direction across bridge, according to
Beam body（2）Size increased and decreased with required shock strength.
Processing grooved hole, marmem column in the middle part of both ends and block block in the middle part of beam body（10）Kept off through slot
Block block（3）Outside and marmem bolt head（6）Spiral fixation, and it is limited in block block（3）Outside；Shape memory
Alloy column（10）In beam body（2）Inner side and marmem anchor block（9）Spiral fixation, and it is limited in beam body（2）Inner side.
Further, the block block（3）With beam body（2）Between optimal distance be 40mm-100mm, with outer shape
Memorial alloy bolt head（6）Between optimal distance be 20mm-50mm, as shown in figure 5, and meeting L1>L2.
The block block（3）To be trapezoidal, block block（3）Inner side is nested with one layer of rubber spacer（4）, preferred thickness is
20mm-30mm。
Further, the marmem column（10）Preferred a diameter of 10cm-15cm, beam body（2）With block block
Body（3）Slot be slightly larger than marmem column（10）, marmem column（10）Two are arranged to, also can be according to beam
The length of body is increased or decreased with size.
The marmem anchor block（9）Section is regular hexagon, marmem anchor block（9）Under have a layer cross section
Slightly larger than marmem anchor block（9）The steel plate washer in section（8）, thickness 5-10mm, steel plate washer（8）Pass through screw（16）With
Beam body（2）Anchoring.
The block block（3）Outer shape memorial alloy bolt head（6）Section is circle, more than slot, shape memory
Alloy bolt head（6）There are groove, rubber sleeve in outer（7）Nested marmem bolt head（6）Groove in, built in rubber sleeve
Spring（5）It is placed on rubber sleeve（7）It is interior.
Further, spring built in the rubber sleeve（5）To have the larger spring of four stiffness factors, bullet built in rubber sleeve
Spring（5）It is arranged symmetrically, spring built in rubber sleeve（5）It is preferred that height is 5cm-10cm.
The dowel being connected with spring, diameter d can be selected 10mm-25mm, and dowel depth is 15d-30d, lower part dowel
Depth is more than top dowel.
Further, buffering Self-resetting effect can be reached using the spring performance built in spring retainer and rubber sleeve.
Above-mentioned method for arranging, is to be symmetrical arranged further.
A kind of critical nature of the marmem is pseudoelasticity, also known as super-elasticity, is shown as under external force,
Marmem has the more recoverable force abilities bigger than common metal, i.e., the big strain produced in loading procedure can be with
Unload and recover, so as to reach the effect of Self-resetting after being subject to drawing to be deformed.
Compared with prior art, the present invention have the advantages that.
（1）The present invention is due to being provided with spring retainer, and in direction across bridge, vertical direction position occurs for beam body under weak shock effect
Move, spring retainer absorbs seismic energy and the seismic energy that can gradually decay by elastic deformation by elastic deformation occurs, strong
The big strain that the lower marmem column of shake effect produces in loading procedure can recover with unloading, so as to be subject to drawing
Reach the effect of Self-resetting after being deformed.
（2）It is provided between the column cap and marmem anchor block, marmem bolt head of marmem column
Helicitic texture is easy to adjustable range, and operability is high.
（3）Spring structure all has cushioning effect built in rubber spacer and rubber sleeve on block block, and can reach
It can be acted as at the same time to the block block that pier top bent cap two end portions when horizontal big displacement is collided with block block occur in beam body
Purpose.
（4）The structure has the advantages that simple structure, practicality are high, compatibility is strong, coordinability is good, easy for construction.
Brief description of the drawings
Fig. 1 is a kind of direction across bridge sectional drawing of the Self-resetting spring retainer buffering anti-fall girder construction of Antivibration block of the present invention.
Fig. 2 is the Section A-A schematic diagram of Fig. 1.
Fig. 3 is enlarged diagram at the B of Fig. 1.
Fig. 4 is marmem column and anchoring schematic diagram on the inside of beam body.
Fig. 5 is enlarged diagram at the C of Fig. 1.
Fig. 6 is that block block outer shape memorial alloy column shows with the structure arrangement that rubber sleeve spring buffer structure is combined
It is intended to.
Fig. 7 is the spring retainer D enlarged diagrams of Fig. 1.
Fig. 8 arranges for beam body lower springs position limiting structure.
In figure：1 is pier top bent cap, and 2 be beam body, and 3 be block block, and 4 be rubber spacer, and 5 be spring built in rubber sleeve,
6 be marmem bolt head, and 7 be rubber sleeve, and 8 be steel plate washer, and 9 be marmem anchor block, and 10 close for shape memory
Principal column, 11 be steel plate bed course, and 12 be spring, and 13 be armored concrete triangular block, and 14 be bearing, and 15 be dowel, and 16 be screw, D
For spring retainer.
Embodiment
The technique effect of the design to the present invention, detail and acquisition is described further below in conjunction with the accompanying drawings.
As shown in Figures 1 to 8, a kind of Self-resetting spring retainer buffering anti-fall girder construction of Antivibration block of the present invention.
One specific embodiment, including spring retainer D, marmem column 10, marmem bolt head 6, rubber
Spring 5, steel plate washer 8, marmem anchor block 9, marmem column 10, pier top bent cap 1, beam built in gum cover 7, rubber sleeve
Body 2, block block 3, rubber spacer 4.The bridge that the present embodiment is selected is prestressed concrete bridge, the bridge shock-proof check block knot
Structure and method for arranging are equally applicable to other bridge types such as steel bridge.
As shown in Figure 1 to Figure 2, bearing 14 is provided with pier top bent cap 1, block block 3 is arranged on the two of pier top bent cap 1
Side, the inner side of block block 3 are nested with rubber spacer 4, and block block 3 opens up grooved hole, marmem with the middle part of beam body 2
Column 10 is through slot and spacing on the inside of beam body 2 by marmem anchor block 9, is limited by marmem bolt head 6
Positioned at the outside of block block 3, the marmem bolt head 6 in the outside of block block 3 and spring 5 built in rubber sleeve 7, rubber sleeve
Nesting, spring retainer D is located at pier top bent cap 1 and among beam body 2, armored concrete triangular block 13 is respectively attached to pier top bent cap 1
In beam body 2, steel plate bed course 11 is embedded in the surface of armored concrete triangular block 13, and the reinforcing bar that spring 12 is anchored in top and the bottom mixes
On the embedding dowel 15 of solidifying soil triangular block 13.
Specifically, as shown in Figure 3 to Figure 4, slot first is opened up at the middle part of top beam body 2, marmem column 10 is worn
Cross slot, the first steel plate washer 8 on pad under the marmem anchor block 9 of the inner side of beam body 2, then with marmem anchor block 9 with
The spiral assembly of marmem column cap, finally anchors steel plate washer 8 in the inner side of beam body 2 with screw 16.Marmem column 10
Two are being set to direction along bridge, can need to increase and decrease according to the antidetonation of actual bridge.
As shown in Figure 5 to Figure 6, rubber sleeve 7, spring 5 are nested on block block outer shape memorial alloy bolt head 6,
Marmem column cap is assembled through the structure and 6 screw thread of marmem bolt head, can according to actual block block 3 with
The position of beam body 2 adjusts precession distance to control the distance of L1 and L2.
Specifically, optimal distance is 40mm-100mm between the block block 3 and beam body 2, remembers with outer shape and close
Optimal distance is 20mm-50mm between golden bolt head 6, as shown in figure 5, and meeting L1>L2.
As shown in Figure 7 and Figure 8, spring retainer D is placed between pier top bent cap 1 and beam body 2, and lower part is a reinforced concrete
Native triangular block 13, top are two, and the cross section of armored concrete triangular block 13 is isosceles right triangle, there is steel plate on its surface
Bed course 11 inlays reinforcing, and each 13 bottoms of armored concrete triangular block are embedding dowel 15, the length of armored concrete triangular block
Degree can take according to the width of pier top bent cap 1, optimal distance 1m-1.5m, pass through between top and the bottom armored concrete triangular block 13
High stiffness coefficient spring 12 connects, and to prevent stress concentration phenomenon, the dislocation of spring 12 connects, and one is only connected with each dowel 15
Spring 12 is held, can need to increase and decrease according to the antidetonation of bridge to the quantity with direction across bridge, the structure along bridge.
Position, the position of spring retainer D of the 1 both upper ends thereof block block 3 of pier top bent cap are symmetrical arranged, left and right
Distance controlling is equal between both ends block block 3 and beam body 2, between block block 3 and outer shape memorial alloy bolt head 6.
Specifically, the technical principle of said structure is when bridge is subject to weak shock to act on, beam body has cross-bridges under geological process
To with vertical direction displacement, in the spring retainer D of the pier top that is connected at this time bent cap 1 and beam body 2, spring retainer D
High stiffness coefficient spring 12 is subjected to displacement, and spring 12 absorbs energy by elastic potential energy and limits the transverse direction of beam body 2 and vertical position
Move, seismic energy and resetted beam body 2 in reciprocal shrink of spring 12 with gradually decaying in stretching；When severe earthquake action is subject to,
Big displacement occurs under geological process for beam body 2, and at this moment the deformation of spring retainer D is excessive, the shape in the outside of one end block block 3
Memorial alloy bolt head 6 starts with rubber sleeve 7 and 3 contact outside of block block, and the compression for passing through spring built in rubber sleeve 5 becomes
The further dissipation earthquake potential energy of stretcher strain of shape, marmem column 10；When displacement continues increase, the block of the other end
The inner side of block 3 will directly contact the displacement for stopping beam body 2 with beam body 2, and the power process of rushing down of three-layer type finally dissipates seismic energy simultaneously
Make 2 Self-resetting of beam body.
Claims (8)
- A kind of 1. spring retainer buffering anti-fall girder construction of Antivibration block for being capable of Self-resetting, it is characterised in that：Including block block （3）, marmem column（10）, spring retainer D；Block block（3）With pier top bent cap（1）To be uniformly integrally provided in pier Roof rail（1）Both upper ends thereof；Pier top bent cap（1）Top surface is provided with vibration absorption and isolation support（14）, beam body（2）Subtract shock insulation described in being supported in On bearing；Marmem column（10）Both ends respectively with block block（3）And beam body（2）Spiral fixation；Spring retainer D Positioned at pier top bent cap（1）With beam body（2）Between and be connected with both；Rubber sleeve（7）With rubber sleeve built in spring（5）With block block Body（3）Outer shape memorial alloy bolt head（6）Nesting is placed in block block（3）Outside and marmem bolt head （6）Between inner side；Marmem column（10）Pass through beam body（2）With block block（3）Middle part, block block（3）With beam body （2）With outer shape memorial alloy bolt head（6）Between reserve certain distance；Middle parts of the spring retainer D between pier top bent cap and beam body, by armored concrete triangular block（13）, spring （12）, steel plate bed course（11）, dowel（15）Form, steel plate bed course（11）It is embedded in armored concrete triangular block（13）Surface, bullet Spring（12）It is anchored in and is embedded in beam body（2）With pier top bent cap（1）Interior dowel（15）, spring（12）Head is embedded to armored concrete Triangular block（13）And connect top beam body（2）With lower part pier top bent cap（1）；The structure can along bridge to direction across bridge, according to beam Body（2）Size increased and decreased with required shock strength；Processing grooved hole, marmem column in the middle part of both ends and block block in the middle part of beam body（10）Through slot in block block Body（3）Outside and marmem bolt head（6）Spiral fixation, and it is limited in block block（3）Outside；Marmem Column（10）In beam body（2）Inner side and marmem anchor block（9）Spiral fixation, and it is limited in beam body（2）Inner side.
- 2. a kind of spring retainer buffering anti-fall girder construction of Antivibration block for being capable of Self-resetting according to claim 1, it is special Sign is：The block block（3）With beam body（2）The distance between be 40mm-100mm, with outer shape memorial alloy bolt Head（6）The distance between be 20mm-50mm, and meet that the former is more than the latter.
- 3. a kind of spring retainer buffering anti-fall girder construction of Antivibration block for being capable of Self-resetting according to claim 1, it is special Sign is：The block block（3）To be trapezoidal, block block（3）Inner side is nested with one layer of rubber spacer（4）, thickness 20mm- 30mm。
- 4. a kind of spring retainer buffering anti-fall girder construction of Antivibration block for being capable of Self-resetting according to claim 1, it is special Sign is：The marmem column（10）A diameter of 10cm-15cm, beam body（2）With block block（3）Slot be more than Marmem column（10）, marmem column（10）Two are arranged to, is increased according to the length of beam body with size and added deduct It is few.
- 5. a kind of spring retainer buffering anti-fall girder construction of Antivibration block for being capable of Self-resetting according to claim 1, it is special Sign is：The marmem anchor block（9）Section is regular hexagon, marmem anchor block（9）Under have a layer cross section More than marmem anchor block（9）The steel plate washer in section（8）, thickness 5-10mm, steel plate washer（8）Pass through screw（16）With beam Body（2）Anchoring.
- 6. a kind of spring retainer buffering anti-fall girder construction of Antivibration block for being capable of Self-resetting according to claim 1, it is special Sign is：The block block（3）Outer shape memorial alloy bolt head（6）Section is circle, and more than slot, shape memory closes Golden bolt head（6）There are groove, rubber sleeve in outer（7）Nested marmem bolt head（6）Groove in, bullet built in rubber sleeve Spring（5）It is placed on rubber sleeve（7）It is interior.
- 7. a kind of spring retainer buffering anti-fall girder construction of Antivibration block for being capable of Self-resetting according to claim 1, it is special Sign is：Spring built in the rubber sleeve（5）To have the big spring of four stiffness factors, spring built in rubber sleeve（5）Symmetrical cloth Put, spring built in rubber sleeve（5）Highly it is 5cm-10cm.
- 8. a kind of spring retainer buffering anti-fall girder construction of Antivibration block for being capable of Self-resetting according to claim 1, it is special Sign is：The dowel being connected with spring, diameter d are 10mm-25mm, and dowel depth is 15d-30d, and lower part dowel depth is big In top dowel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711275327.XA CN107964868B (en) | 2017-12-06 | 2017-12-06 | Self-resetting spring limiting buffering anti-seismic stop block anti-falling beam structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711275327.XA CN107964868B (en) | 2017-12-06 | 2017-12-06 | Self-resetting spring limiting buffering anti-seismic stop block anti-falling beam structure |
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| Publication Number | Publication Date |
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| CN107964868A true CN107964868A (en) | 2018-04-27 |
| CN107964868B CN107964868B (en) | 2024-03-29 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109594466A (en) * | 2019-02-14 | 2019-04-09 | 重庆交通大学 | A kind of anti-fall beam construction that can effectively consume energy |
| CN109826089A (en) * | 2019-03-19 | 2019-05-31 | 驿涛建工股份有限公司 | A kind of municipal works bridge pier base |
| CN110344515A (en) * | 2019-08-13 | 2019-10-18 | 安徽新华学院 | A kind of self-replaced type mill shock insulation pier device |
| CN112523068A (en) * | 2020-12-04 | 2021-03-19 | 北京城建道桥建设集团有限公司 | Mounting and fixing structure and construction method of inverted T-shaped bent cap damping chloroprene rubber sheet |
| CN112813798A (en) * | 2021-02-03 | 2021-05-18 | 兰州铁道设计院有限公司 | Combined corrosion-resistant supporting device for transverse earthquake resistance of bridge |
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