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 PDF

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Publication number
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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China
Prior art keywords
block
bridge
superstructure
substructure
groove
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CN201611016176.1A
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Chinese (zh)
Inventor
田钦
熊进刚
宋固全
胡峰强
雷斌
张爱萍
陈煜国
王靓妮
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Nanchang University
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Nanchang University
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Priority to CN201611016176.1A priority Critical patent/CN106436558A/en
Publication of CN106436558A publication Critical patent/CN106436558A/en
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00Structural or constructional details of bridges
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00Structural or constructional details of bridges
    • E01D19/04Bearings; Hinges

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

A kind of three-dimensional limiting buffer energy-dissipating type bridge shock-proof check block structure and setting installation method
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.
CN201611016176.1A 2016-11-18 2016-11-18 Three-way limiting buffering bridge anti-seismic stop dog structure and arranging and installing method Pending CN106436558A (en)

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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
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
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

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CN104652253A (en) * 2015-02-12 2015-05-27 中铁二院工程集团有限责任公司 Buffer energy-consuming anti-drop-beam device for bridge
CN104652252A (en) * 2015-02-12 2015-05-27 中铁二院工程集团有限责任公司 Bridge damping blocking tenon device
CN205591102U (en) * 2016-04-22 2016-09-21 中铁二院工程集团有限责任公司 High mound bridge anti -seismic prevents girder construction that falls
CN105951583A (en) * 2016-06-12 2016-09-21 西南交通大学 Bridge anti-seismic stop block structure capable of achieving buffering, energy dissipation and collision resistance

Cited By (6)

* Cited by examiner, † Cited by third party
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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
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
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

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