CN106436558A - Three-way limiting buffering bridge anti-seismic stop dog structure and arranging and installing method - Google Patents
Three-way limiting buffering bridge anti-seismic stop dog structure and arranging and installing method Download PDFInfo
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- CN106436558A CN106436558A CN201611016176.1A CN201611016176A CN106436558A CN 106436558 A CN106436558 A CN 106436558A CN 201611016176 A CN201611016176 A CN 201611016176A CN 106436558 A CN106436558 A CN 106436558A
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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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- 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
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Abstract
The invention discloses a three-way limiting buffering bridge anti-seismic stop dog structure and an arranging and installing method. The bridge anti-seismic stop dog structure comprises a steel corbel, a stop dog lower structure and a stop dog upper structure; the steel corbel is fixed to the side face, in the bridge axial direction, of the top of a pier close to a bridge movable supporting base, the stop dog lower structure is fixed to the top of the steel corbel through bolts, a groove is formed in the lower portion of the stop dog upper structure, the stop dog upper structure is fixed to the bottom of a main beam of the bridge through bolts, and an impact block is arranged on the upper portion of the stop dog lower structure. Relative large displacement between a beam body and the pier in the bridge axial direction, bridge transverse direction and vertical direction can be effectively limited, damage to the movable supporting base and expansion joints is reduced, and the beam body is prevented from falling in the bridge axial direction and bridge transverse direction and prevented from vertically getting away from the supporting base to cause damage on the supporting base, beam cocking damage and vertical impact damage between the beam body and the supporting base. The three-way limiting buffering bridge anti-seismic stop dog structure is simple in structure, convenient to construct, easy to repair and replace and suitable for new and old bridges.
Description
Technical field
The invention belongs to bridge earthquake resistance technical field is and in particular to a kind of three-dimensional limiting buffer energy-dissipating type bridge shock-proof check block
Structure and setting installation method.
Background technology
In recent years, the fast development with China's economy and the needs built a well-off society in an all-round way, China has built in a large number
Highway.On May 23rd, 2015, the data display that Department of Transportation announces：By to the end of the year 2015, highway in China total kilometrage is
Reach 457.73 ten thousand kilometers, wherein highway bridge 77.92 ten thousand, 4592.77 myriametres.In order to improve the conevying efficiency of highway, protection
The ecological environment of Highways ', saves land resource, the thought of interface height will the Fashion of Future infrastructure construction.But
Being in earthquake the bridge that China builds to take place frequently location more, once being destroyed in earthquake, not only causing huge economic loss,
Traffic system also can be caused to paralyse, cause even more serious indirect loss.Carry out bridge earthquake resistance, the research work of cushion technique,
For improving its shock resistance, the ability of particularly anti-big shake, improve whole country and energy is resisted to the Nature disaster such as earthquake
Power has vital realistic meaning and theory value.Through, in the earthquake that investigation occurred in the past few decades, bridge occurs
Earthquake form mainly include：Movable bearing support damages due to producing over-large displacement；Due to producing relatively between beam body and bridge pier
Larger displacement, cause beam body occur along bridge to or direction across bridge the beam earthquake that falls；For the beam bridge at setting expansion joint, larger is upper
Portion's beam body displacement also can cause direct collision at expansion joint for the adjacent beam body, not only produce serious local in collision area and break
Bad, also can increase the normal pass of the widths affect vehicle at expansion joint；At expansion joint, the collision of adjacent beam body also can be impact force
Effect, pass to bridge pier bottom, cause the damage of bridge pier bottom；Seismic wave causes the larger vertical displacement of bridge, frequently results in
Top beam body comes off bearing, not only causes bearing to damage and beam body occurs vertical warpage to damage, also can cause bearing and beam body
Between vertical damaged in collision；Along bridge to and direction across bridge, larger impact force between Antivibration block and beam body, also can cause antidetonation
The damage of stop block structure itself.
The bridge worker of China usually arranges reinforced concrete block in the direction across bridge both sides at pier cap beam top at present,
Rely on the impact force between reinforced concrete block and beam body to limit the relatively large displacement that beam body direction across bridge produces, prevent beam body horizontal
Bridge is to the beam earthquake that falls.But earthquake Bridge is also usually producing larger displacement along bridge to vertical, causes multiple earthquakes, specifically such as
Under：Bearing damages；Beam body occurs to damage to the beam that falls along bridge；Damaged in collision at expansion joint；The vertical warpage of beam body is damaged；Beam body and
Vertical damaged in collision occurring between bearing etc..But China is vertically relative with beam body to relatively large displacement along bridge to limiting beam body
Shortage is compared in the research of larger displacement.In addition, the reinforcing bar of the relatively large displacement of restriction beam body direction across bridge that China commonly uses at this stage
Collision between concrete block and beam body is the rigid collision between concrete, easily causes the local damage of collision area,
And larger impact force can pass to bridge pier bottom the collision effect between armored concrete and beam body, causes bridge pier bottom
Damage.
In order to overcome the disadvantages described above of Antivibration block, those skilled in the art is in the urgent need to developing a kind of new three-dimensional
Limiting shock resistant stop block structure, not only to limit top beam body direction across bridge, along bridge to vertical three-dimensional larger displacement, also want energy
Collision effect between buffering bridge block and beam body, reduces the local damage of collision area and the damage of bridge pier bottom.
Content of the invention
The purpose of the present invention is for the problems referred to above, there is provided a kind of three-dimensional limiting buffer energy-dissipating type bridge shock-proof check block knot
Structure and method to set up, this invention address that can limit simultaneously between top beam body and bridge pier direction across bridge, along bridge to vertical
The relatively large displacement of three-dimensional, reduces bearing and damages, and prevents beam body direction across bridge and along bridge to the beam earthquake that falls, prevents beam body vertical
Warpage is damaged, and prevents beam body and the vertical damaged in collision of bearing；Firm between bridge shock-proof check block and beam body by occurring
Property collision, transfer to the buffer-type collision of bridge shock-proof check block internal structure near multiple movable bearing supports, not only greatly reduce
The damage of block itself damages moreover it is possible to reduce bridge pier bottom；The collision between adjacent beam body at expansion joint should occur, shift
To on multiple bridge shock-proof check blocks, prevent between the damaged in collision at expansion joint and adjacent beam body, colliding other earthquakes causing.
The present invention is adopted the technical scheme that for achieving the above object, a kind of three-dimensional limiting buffer energy-dissipating type bridge earthquake resistance
Stop block structure it is characterised in that：Main inclusion steel corbel, block substructure and block superstructure；Steel corbel is fixed on bridge
Pier coping portion near beam movable bearing support along bridge to side, block substructure is bolted on the top of steel corbel；
The bottom setting of block superstructure is fluted, and block superstructure is bolted on the girder bottom of bridge, its jackshaft
Girder bottom is provided with one block of reserved steel plate so that girder bottom is more smooth, plays the effect of leveling；Block substructure
Top is provided with the Impactor that can embed in block block superstructure further groove, raise up；The collision of block substructure
Reserving vertically certain clear distance along bridge to, direction across bridge and all respectively between the groove of block and block superstructure；On block
All it is provided with damping rubber block in three directions in the groove of portion's structure.
Described steel corbel is welded by the base plate of steel corbel, the side plate of the web of steel corbel, the top board of steel corbel and steel corbel
Connect and form；Block substructure is by the steel sole plate of block substructure, the steel column of block substructure and block substructure
Impactor is constituted.
Further, the described damping rubber block being arranged in block superstructure groove, along bridge to, direction across bridge and perpendicular
To thickness be respectively less than clear distance between block superstructure Impactor and block substructure groove.
Further, the groove of block superstructure and the Impactor of block substructure be shape similar with circular arc
The rectangle of shape chamfering, and groove size is slightly larger than collision block size.In earthquake, on the Impactor of block substructure and block
Collision between portion's texture grooves is the uncertain collision of position of collision, is set to circular arc by the corner of collision block and groove
Shape chamfering, can increase collision area, produce larger impact stresses when preventing at corner as wedge angle, damage stop block structure.
The setting installation method of described three-dimensional limiting buffer energy-dissipating type bridge shock-proof check block structure it is characterised in that its
Arranging installation method is：Pier coping portion near each movable bearing support along bridge to side arrange and a set of bridge earthquake resistance be installed
Stop block structure, the bridge shock-proof check block number of structures installed on bed rearrangement bridge is many, and position dispersion, effect can be effectively reduced
Impact force in each anti-seismic stop structure, not only reduces the damage of stop block structure itself moreover it is possible to reduce and is delivered to bridge pier
The damage of bottom.
For the installation of each bridge shock-proof check block structure, it is in the side of pier coping portion, steel corbel to be installed, so first
The installing space of stop block structure can be increased so that installation, by adjusting the vertical setting height(from bottom) of steel corbel, adapt to different
The stop block structure of size；In the groove of block superstructure along bridge to, direction across bridge and vertically arranged damping rubber block；Gear
The Impactor of block substructure embeds in the groove that block superstructure is reserved, and is placed on steel corbel top together；With bolt gear
Block substructure is fixed on steel corbel top；Then block superstructure is pressed clockwise（Or counterclockwise）Ratate 90 degrees, that is, keep off
The Impactor of block substructure snaps in the groove of block superstructure, and the Impactor of block substructure and block top
Between the groove of structure along bridge to, direction across bridge and vertical clear distance is all equably set, and vertically setting to, direction across bridge along bridge
The clear distance put is less than the distance that bearing or beam body allow movement in three directions, and the Impactor of block substructure and block
Between the groove of superstructure along bridge to clear distance also need the expansion joint width less than bridge；Finally use bolt again on block
Portion's structure is fixed on the bottom of bridge beam body（Wherein beam body bottom is provided with one block of reserved steel plate so that beam body bottom is more flat
Whole, play the effect of leveling）, complete the whole installation process of bridge shock-proof check block.
And vertically it is being all provided with to, direction across bridge along bridge between the groove of the Impactor of block substructure and block superstructure
Put the distance allowing movement less than bearing or beam body in three directions, protect bearing against damages, prevent beam body along bridge to and horizontal stroke
Bridge damages to the beam that falls, and prevents beam body from occurring vertical warpage to damage, prevents vertical damaged in collision between beam body and bearing, reduces flexible
It is sewn on the residual displacement that three directions produce, the normal pass of little effect vehicle.The Impactor of block substructure and block
Between the groove of superstructure along bridge to clear distance be less than bridge expansion joint width when moreover it is possible to effectively prevent phase at expansion joint
Damaged in collision between adjacent beam body or beam body and abutment.
Between the Impactor of described block superstructure and the groove of block substructure, along bridge to, direction across bridge and perpendicular
To more excellent clear distance be respectively 40～100mm, 30～60mm, 20～30mm.
The invention has the beneficial effects as follows：Under the effect of dimensionally seismic wave, bridge beam body along bridge to, direction across bridge and vertical all
There is vibration, near each movable bearing support, three-dimensional limiting buffer energy-dissipating type bridge shock-proof check block structure is installed, can limit simultaneously
Top beam body in the relatively large displacement in three directions, protects bearing, prevents beam body from damaging and beam to the beam that falls of, direction across bridge along bridge
The warpage that body vertically departs from bearing generation is damaged, and prevents beam body and the vertical damaged in collision of bearing.Block quantity is many and installs
Position disperses, and can effectively reduce the seismic force acting on each stop block structure, reduces local damage and the bridge of block itself
The damage of pier bottom.Suitable bridge between the Impactor and the groove of stop block structure superstructure of block substructure is to clear distance
During less than expansion joint width, collision will not occur, at expansion joint, to protect expansion joint from damaged in collision.Block superstructure
Groove and the Impactor of block substructure be set to circular arc chamfering at respective corner, collision area can be increased,
Reduce impact stresses, thus reducing the local damage of stop block structure itself.Because three directions are all in block superstructure groove
Containing damping rubber block, not only can using the damping characteristics of elastomeric material greatly reduce three directions impact force moreover it is possible to according to
Plastic deformation by damping rubber block consumes a part of seismic energy, reduces the damage of bridge other structures.This bridge earthquake resistance
Stop block structure is abundant, simple structure, and easy construction is it is easy to maintenance is changed it is adaptable to new bridge and Jiu Qiao.
Brief description
Fig. 1 is applied to single box double room prestressed concrete bridge schematic diagram for the present invention；
Fig. 2 is the Section A-A schematic diagram of Fig. 1；
Fig. 3 is the steel bracket structure schematic diagram of the present invention；
Fig. 4 is block substructure schematic diagram of the present invention；
Fig. 5 is block substructure detail drawing of the present invention；
Fig. 6 is the block superstructure schematic diagram of the present invention；
Fig. 7 is the block superstructure detail drawing of the present invention；
Fig. 8 is the stop block structure scheme of installation of the present invention；
Fig. 9 is partial enlarged drawing at the C of Fig. 1；
Figure 10 is partial enlarged drawing at the D of Fig. 2.
In in figure：1st, the girder of bridge, 2, another girder of bridge, 3, expansion joint, 4, bridge pier, 5, bridge pad pinner, 6, bridge
Another bearing pad stone of beam, 7, bridge movable bearing support, 8, bridge hold-down support, 9, steel corbel, 10, block substructure, 11, block
Superstructure, 12, steel corbel bolt, 13, block superstructure bolt, 14, pre-embedded steel slab, 15, the base plate of steel corbel, 16, steel
The web of bracket, 17, the top board of steel corbel, 18, the bolt hole on steel corbel top board, 19, the side plate of steel corbel, 20, steel corbel
Bolt hole on side plate, 21, the steel sole plate of block substructure, 22, the steel column of block substructure, 23, block substructure
Impactor, 24, the bolt hole of block substructure, 25, block superstructure body, 26, along bridge to rubber buffer cushion block,
27th, direction across bridge rubber buffer cushion block, 28, vertical rubber buffer cushion block, 29, the bolt hole of block superstructure.
Specific embodiment
As shown in Figures 1 to 10, a kind of three-dimensional limiting buffer energy-dissipating type bridge shock-proof check block structure and setting installation method
A specific embodiment.Three-dimensional limiting buffer energy-dissipating type bridge shock-proof check block structure, including steel corbel 9, block substructure 10
With block superstructure 11, the steel of selection can be Q235 steel, Q345 steel or Q390 steel.The bridge type that the present embodiment is selected is single
Case dual chamber prestressed concrete bridge, described bridge shock-proof check block structure and setting installation method are equally applicable to composite beam bridge, steel
Other bridge types such as bridge.
As shown in Figure 1 to Figure 2, the girder 1 of bridge and another girder 2 of bridge disconnect at the top of bridge pier 4, form expansion joint 3.
Pier coping portion is respectively provided with movable bearing support 7 along bridge to being provided with bridge pad pinner 5 and another bearing pad stone of bridge 6 thereon
With hold-down support 8.The girder 1 of movable bearing support 7 supporting bridge, another girder 2 of hold-down support 8 supporting bridge.
Specifically, as shown in figure 3, steel corbel 9 by one piece of steel corbel base plate 15, the web 16 of two pieces of steel corbels, one piece
The side plate 19 of the top board 17 of steel corbel and one piece of steel corbel is welded.Wherein, the base plate 15 of steel corbel and the top board of steel corbel
17 is parallel, and the web 16 of steel corbel and the side plate 19 of steel corbel are all perpendicular to the base plate 15 of steel corbel and the top board 17 of steel corbel.
On the side plate 19 of steel corbel, have the bolt hole 20 on 9 steel corbel side plates, on the top board 17 of steel corbel, have 4 steel corbels
Bolt hole 18 on top board.
As shown in Figure 4 and Figure 5, block substructure 10 is by the steel sole plate 21 of block substructure, block substructure
The Impactor 23 of steel column 22 and block substructure is constituted；The Impactor 23 of block substructure raises up, and collides during installation
Block upward and embeds in the groove that block superstructure body 25 is arranged down.The steel sole plate 21 of wherein block substructure has
The bolt hole 24 of 4 block substructure.
As shown in Figure 6 and Figure 7, block superstructure 11 is by block superstructure body 25, along bridge to damping rubber block 26,
Direction across bridge damping rubber block 27 and vertical damping rubber block 28 are constituted.Wherein block superstructure body 25 is one piece and has groove
Bloom body, three in groove direction is respectively provided with damping rubber block.Along bridge to damping rubber block 26, direction across bridge rubber delays
Rush block 27 and the thickness of vertical damping rubber block 28 is respectively T1, T2 and T3.
Three-dimensional limiting buffer energy-dissipating type bridge shock-proof check block structure is along bridge to setting installation method：As shown in figure 1, steel corbel
9 sides being arranged on bridge pier 4 top, so can increase the installing space of stop block structure so that construction and installation, also can be by adjusting
The vertical height of whole steel corbel 9, adapts to different size of stop block structure.As Fig. 1, shown in Fig. 4 to Figure 10, block superstructure 11
Groove be the similar rectangle with circular arc chamfering of shape with the Impactor 23 of block substructure 10, and groove size
Slightly larger than Impactor 23 size.Containing vertically rubber buffer along bridge to, direction across bridge and all in the groove of block superstructure 10
Block；The Impactor 23 of block substructure 10 is embedded in the groove of block superstructure 11, is then placed in steel corbel 9 together
Top, blending bolt is fixed on block substructure 10 on steel corbel 9.Again clockwise for block superstructure 11（Or it is inverse
Hour hands）Ratate 90 degrees, now the Impactor 23 of block substructure has snapped in the groove of block superstructure 11, finally uses
13 block superstructures 11 of block superstructure bolt are fixed on the bottom of the girder 1 of bridge（The bottom of its middle girder 1 is provided with
One piece of pre-embedded steel slab 14, so that the bottom of girder 1 is more smooth, is easy to leveling）, complete the installation of bridge shock-proof check block.
Above-mentioned setting installation method, further as shown in figure 8, block superstructure 11 is after ratating 90 degrees, block
The bolt hole 24 of the bolt hole 29 of superstructure and block substructure is all in block superstructure 11 and block substructure 10
Overlapping region outside, be easy to the construction and installation of stop block structure.
Three-dimensional limiting buffer energy-dissipating type bridge shock-proof check block structure direction across bridge method to set up：As shown in Fig. 2 bridge earthquake resistance gear
Block structure is arranged near each bridge movable bearing support 7 along direction across bridge, and stop block structure quantity is many, and position disperses, and can effectively disperse
Seismic force effects, reduce the impact force acting on each stop block structure, reduce local damage and the bridge of stop block structure itself
The damage of pier 4 bottom.
As Fig. 1 to Fig. 2, shown in Fig. 6 to Figure 10, the Impactor 23 of block substructure and the groove of block superstructure 11
Between to, direction across bridge and vertically will leave certain clear distance and be respectively L1 (L2), H1 (H2) and S1, block top along bridge
Between the groove of the Impactor of structure and block substructure, it is being respectively to, direction across bridge and vertical more excellent clear distance along bridge
, in 40～100mm, in 30～60mm, S1 is in 20～30mm for H1 (H2) for L1 (L2).As along bridge to clear distance setting L1=L2=
40mm, arranges H1=H2=30mm in the clear distance of direction across bridge, and vertical clear distance arranges S1=20mm.Block superstructure 11
In groove, it is being provided with vertically certain thickness damping rubber block along bridge to, direction across bridge and all, thickness is respectively T1, T2 and T3,
And corresponding clear distance L1 (L2), H1 both less than between the Impactor 23 of block substructure and the groove of block superstructure 11
(H2) and S1, T1=20mm, T2=15mm and T3=10mm are such as set.
In suitable bridge to the suitable bridge between the Impactor 23 of block substructure and the groove of block superstructure 11 is to clear distance
From L1（L2）Not only it is less than the width at expansion joint 3, be also less than movable bearing support 7 in the maximum displacement producing to permission along bridge,
So that in earthquake, prevent expansion joint 3 from colliding damage, prevent movable bearing support 7 along bridge to occurring larger displacement causing
The suitable bridge of the girder 1 of the local damage of itself and bridge damages to the beam that falls.In direction across bridge, the Impactor 23 of block substructure and gear
Direction across bridge clear distance H1 between the groove of block superstructure 11（H2）On the one hand it is less than movable bearing support 7 to allow to produce in direction across bridge
Raw maximum displacement, prevents movable bearing support 7 from occurring the direction across bridge of the girder 1 of the local damage and bridge beam that falls to damage, separately in direction across bridge
On the one hand above-mentioned clear distance is more than temperature, the deformation of shrinkage and creep generation that the girder 1 of bridge occurs in direction across bridge again, so that really
Protect stop block structure and not working under normal circumstances of earthquake is not occurring, do not affect the normal usage function of bridge.Vertical, because
Stop block structure is arranged near movable bearing support 7, so the groove of the Impactor 23 of block substructure and block superstructure 11
Between vertical clear distance S1 be greater than under bridge normal operating condition the vertical displacement producing at stop location it is ensured that bridge
Normal usage function；Under meeting above-mentioned condition, this vertical clear distance S1 gets the small value as far as possible, effectively to prevent from living in earthquake
Dynamic bearing 7 damages in vertical generation larger displacement, prevents the girder 1 of bridge because vertical motion departs from movable bearing support 7, thus
Collide between the girder 1 of bridge and movable bearing support 7 damage.
In the present invention, between the Impactor 23 of block substructure and the groove of block superstructure 11 along bridge to, horizontal
Bridge is all respectively provided with along bridge to damping rubber block 26, direction across bridge damping rubber block 27 and vertical damping rubber block 28 to vertical.
Damping rubber block can be converted into the rigid collision between the Impactor 23 of substructure and the groove of block superstructure 11
Flexible impact, relies on itself less rigidity, buffers impact force, reduces the local damage of stop block structure itself and is delivered to bridge pier
The damage of 4 bottoms, moreover it is possible to rely on the plastic deformation of itself, consumes a part of seismic energy, reduces earthquake to bridge other structures
Damage.
Under geological process, to, direction across bridge and vertically having relatively large displacement along bridge between the girder 1 of bridge and bridge pier 4,
The damping rubber block in three directions of the Impactor 23 of block substructure and block superstructure collides.In three directions,
Damping rubber block all can rely on itself less colliding stiffness, buffers larger impact force, reduces the local of stop block structure itself
Damage, prevent the girder 1 of bridge from falling beam damage to direction across bridge along bridge, prevent the girder 1 of bridge and movable bearing support 7 from vertically taking off
From initiation movable bearing support 7 damages, and the girder 1 warpage damage of bridge and the girder 1 of bridge and movable bearing support 7 are damaged in vertical collision
Bad.In addition, damping rubber block be also may rely on itself hysteresis loop consume a part of seismic energy, mitigate earthquake to bridge other
The damage of component.
Claims (5)
1. a kind of three-dimensional limiting buffer energy-dissipating type bridge shock-proof check block structure it is characterised in that：Under main inclusion steel corbel, block
Portion's structure and block superstructure；Steel corbel be fixed on pier coping portion near bridge movable bearing support along bridge to side, block
Substructure is bolted on the top of steel corbel；The bottom of block superstructure arranges fluted, block superstructure
It is bolted on the bottom of the girder of bridge；The top of block substructure is provided with and can embed in block block superstructure
The Impactor that groove is interior, raise up；Respectively suitable between the groove of the Impactor of block substructure and block superstructure
Bridge reserves vertically certain clear distance to, direction across bridge and all；All it is provided with rubber in three directions in the groove of block superstructure
Glue buffer stopper.
2. a kind of three-dimensional limiting buffer energy-dissipating type bridge shock-proof check block structure according to claim 1 it is characterised in that：Institute
The damping rubber block stated, is being respectively less than block superstructure Impactor and block bottom along bridge to, direction across bridge and vertical thickness
Clear distance between texture grooves.
3. a kind of three-dimensional limiting buffer energy-dissipating type bridge shock-proof check block structure according to claim 1 it is characterised in that：Gear
The groove of block superstructure is the similar rectangle with circular arc chamfering of shape with the Impactor of block substructure, and recessed
Groove is slightly larger in dimension than collision block size.
4. a kind of setting installation method of three-dimensional limiting buffer energy-dissipating type bridge shock-proof check block structure is it is characterised in that it is arranged
Installation method is：Pier coping portion near each movable bearing support along bridge to side arrange and a set of bridge shock-proof check block be installed
Structure, the bridge shock-proof check block number of structures installed on bed rearrangement bridge is many, and position dispersion；For each bridge shock-proof check block
The installation of structure, is to install steel corbel in the side of pier coping portion first, by adjusting the vertical setting height(from bottom) of steel corbel, so that
Adapt to different size of stop block structure；Delaying to, direction across bridge and vertically arranged rubber along bridge in the groove of block superstructure
Rush block；The Impactor of block substructure is embedded in the groove that block superstructure is reserved, is placed on steel corbel top together；With
Bolt is fixed on steel corbel top block substructure；Then block superstructure is pressed clockwise or counterclockwise 90
Degree, that is, the Impactor of block substructure snaps in the groove of block superstructure, and the Impactor of block substructure and
Between the groove of block superstructure along bridge to, direction across bridge and vertical clear distance is all equably set, along bridge to, direction across bridge
It is less than the distance that bearing or beam body allow movement in three directions with vertically arranged clear distance, and the collision of block substructure
Between the groove of block and block superstructure along bridge to clear distance also need the expansion joint width less than bridge；Finally use bolt again
Block superstructure is fixed on the bottom of bridge beam body, completes the installation of bridge shock-proof check block.
5. the setting installation side of a kind of three-dimensional limiting buffer energy-dissipating type bridge shock-proof check block structure according to claim 4
Method it is characterised in that：Described clear distance to, direction across bridge and is vertically being respectively set to 40～100mm along bridge, 30～60mm,
20～30mm.
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| CN109706830A (en) * | 2018-12-28 | 2019-05-03 | 西安石油大学 | A kind of anti-pulling steel block of embedded high-damping rubber energy consumption pad |
| CN110331652A (en) * | 2019-04-17 | 2019-10-15 | 中国公路工程咨询集团有限公司 | Antidetonation system is adjusted across fracture belt bridge three-dimensional |
| CN110565504A (en) * | 2019-08-29 | 2019-12-13 | 南昌大学 | Multifunctional anti-seismic stop block structure capable of preventing seismic damage |
| CN110777637A (en) * | 2019-10-24 | 2020-02-11 | 深圳大学 | Anti-inclination damping composite limiting device and bridge |
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| CN111455818A (en) * | 2020-04-07 | 2020-07-28 | 中冶南方城市建设工程技术有限公司 | Anti-inclination covering type bridge limit stop block device |
| CN111764260A (en) * | 2020-08-04 | 2020-10-13 | 四川省公路规划勘察设计研究院有限公司 | Bridge buffer and antidetonation bridge that takes precautions against earthquakes |
| CN112523070A (en) * | 2020-12-16 | 2021-03-19 | 重庆交通大学 | Public road bridge roof beam stop device that falls is prevented to bridge |
| WO2022209066A1 (en) * | 2021-03-30 | 2022-10-06 | ショーボンド建設株式会社 | Antiseismic reinforcement apparatus for bridges |
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| CN109706830A (en) * | 2018-12-28 | 2019-05-03 | 西安石油大学 | A kind of anti-pulling steel block of embedded high-damping rubber energy consumption pad |
| CN110331652A (en) * | 2019-04-17 | 2019-10-15 | 中国公路工程咨询集团有限公司 | Antidetonation system is adjusted across fracture belt bridge three-dimensional |
| CN110565504A (en) * | 2019-08-29 | 2019-12-13 | 南昌大学 | Multifunctional anti-seismic stop block structure capable of preventing seismic damage |
| CN110777637A (en) * | 2019-10-24 | 2020-02-11 | 深圳大学 | Anti-inclination damping composite limiting device and bridge |
| CN111155417A (en) * | 2019-12-30 | 2020-05-15 | 浙江大学 | Beam falling prevention device based on paper folding and rebounding mechanism |
| CN111455818A (en) * | 2020-04-07 | 2020-07-28 | 中冶南方城市建设工程技术有限公司 | Anti-inclination covering type bridge limit stop block device |
| CN111764260A (en) * | 2020-08-04 | 2020-10-13 | 四川省公路规划勘察设计研究院有限公司 | Bridge buffer and antidetonation bridge that takes precautions against earthquakes |
| CN112523070A (en) * | 2020-12-16 | 2021-03-19 | 重庆交通大学 | Public road bridge roof beam stop device that falls is prevented to bridge |
| WO2022209066A1 (en) * | 2021-03-30 | 2022-10-06 | ショーボンド建設株式会社 | Antiseismic reinforcement apparatus for bridges |
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Application publication date: 20170222 |