CN110331652A - Antidetonation system is adjusted across fracture belt bridge three-dimensional - Google Patents
Antidetonation system is adjusted across fracture belt bridge three-dimensional Download PDFInfo
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- CN110331652A CN110331652A CN201910310772.8A CN201910310772A CN110331652A CN 110331652 A CN110331652 A CN 110331652A CN 201910310772 A CN201910310772 A CN 201910310772A CN 110331652 A CN110331652 A CN 110331652A
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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
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
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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
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
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- Bridges Or Land Bridges (AREA)
Abstract
Antidetonation system is adjusted across fracture belt bridge three-dimensional present disclose provides a kind of, by using diverting type earthquake resistant construction and intercept type earthquake resistant construction, every kind of earthquake resistant construction is vertical along bridge, longitudinally, laterally anti-seismic structure is respectively set in three-dimensional, constitutes and crosses over the adjustable antidetonation system of fracture belt bridge three-phase.Antidetonation system is adjusted due to using three-dimensional anti-seismic construction in the three-dimensional of the disclosure across fracture belt bridge, the acceleration of superstructure and relative storey displacement when can largely reduce earthquake, to greatly reduce effect caused by the earthquake response of superstructure, dispersion and reduction seismic force；And have the function of that reducing casualties and fast quick-recovery is open to traffic.
Description
Technical field
This disclosure relates to which antidetonation system is adjusted in bridge construction field more particularly to a kind of fracture belt bridge three-dimensional of crossing over.
Background technique
It is avoided as far as possible currently, various countries' specification is required to bridge structure across Seismo-active fault, but disconnected for underground activities
The distribution of layer is also imperfectly understood；Meanwhile the distribution of earth's crust interrupting layer is extremely wide；And due to the needs of transport development, practical work
The case where journey Bridge is inevitably faced across Seismo-active fault.
Near-fault ground motion dynamic characteristic and Far-field earthquake dynamic characteristic have apparent difference, and Chi-chi earthquake is shown obviously
Beam-shaping effect and fling-step effect, wherein fling-step effect be mainly manifested in displacement time-histories have apparent residual displacement.If bridge
It is poor to generate apparent displacement input due to fling-step effect at the upper and lower plate block pier location of tomography for beam crossover fault.
Just because of the presence of this obvious displacement difference, in all previous violent earthquake, there is the example of many Cross-fault leveling bridge collapses, wherein
It is especially prevalent to fall beam earthquake.
Under normal conditions, the construction measure of restrainer earthquake is mainly limited to the earthquake resistant construction of a direction, such as removable
Dress formula steel pinner can only adapt to the permanent vertical displacement generated after Cross-fault leveling bridge earthquake by oneself height adjustment；And steel bracket
Anti-fall girder apparatus can only then adapt to the permanent length travel generated after Cross-fault leveling bridge earthquake by expanding minimum width of supporting surface,
And earthquake resistant construction is single.
Summary of the invention
(1) technical problems to be solved
Antidetonation system is adjusted across fracture belt bridge three-dimensional present disclose provides a kind of, at least partly to solve the above institute
The technical issues of proposition.
(2) technical solution
According to one aspect of the disclosure, a kind of adjustable antidetonation system of leap fracture belt bridge three-dimensional is provided, is passed through
Using diverting type earthquake resistant construction and type earthquake resistant construction is intercepted, every kind of earthquake resistant construction is vertical along bridge, longitudinally, laterally three-dimensional is set respectively
Anti-seismic structure is set, constitutes and crosses over the adjustable antidetonation system of fracture belt bridge three-phase.
In some embodiments, the diverting type earthquake resistant construction includes: vertical-dismountable steel pinner, longitudinal direction-steel bracket
Reserved portion is set at anti-fall girder apparatus, transverse direction-pier, platform cap or bent cap；
It is described intercept type earthquake resistant construction include: longitudinal direction-beam falling prevention stopping block, longitudinal direction-coupling beam device, transverse direction-beam falling prevention stopping block,
Longitudinal direction+transverse direction-lead core rubber support.
In some embodiments, vertical-dismountable steel pinner is welded by steel plate, and inside filling microdilatancy is mixed
Solidifying soil, the steel pinner are able to carry out pinner height adjustment.
In some embodiments, steel pinner includes multiclass, and every class thickness is different, and high-strength bolt is used between all kinds of steel pinners
It is attached, every interlayer applies inorganic zinc-rich non-skid coating, and lowest level steel pinner is connected to a fixed by pre-buried dowel with pier top.
In some embodiments, put more energy into inside the steel pinner using rib of slab, and by inner space be divided into it is multiple individually
Lattice, each lattice open up filling concrete mouth and gas vent, after the completion of slightly expanded concrete perfusion, using etc. strong methods carry out
It blocks, and is polished flat suitable；Steel pinner exposed surface uses anticorrosive coating, and each interlayer is sealed.
In some embodiments, the longitudinal direction-steel bracket anti-fall girder apparatus, using installation steel at pier, platform cap or bent cap
Bracket carries out vertical adjustment, comprising:
Steel bracket is pushed up with pier stud cross section and is connected, for increasing the width of supporting surface at support connection position；
Bracket block is set to steel bracket two sides, for being limited in the lateral displacement of geological process lower girder；
Rubber cushion blocks are set to above the steel bracket, occur to fall in steel bracket after support is detached from when beam body for preventing
On so that girder is fractureed, play linking buffer function；
Bolt and reinforcing pull rod, the connection for steel bracket main body and pier stud anchor；And
Several various sizes of pre-embedded steel slabs, the connection for steel bracket main body structure and pier stud.
In some embodiments, the connection of component includes: in pier stud cross section in the longitudinal direction-steel bracket anti-fall girder apparatus
Top setting pre-embedded steel slab；Steel bracket main body structure and pier top pre-embedded steel slab are welded to connect；Accessory is installed on steel bracket, is wrapped
Include bracket block and rubber pad.
In some embodiments, reserved portion is set at the transverse direction-pier, platform cap or bent cap and carries out laterally linear adjusting, in advance
Staying portion is reinforced concrete structure, and width value is determined by the maximum dislocation of bridge site fracture belt, length and highly with pier,
Platform cap or bent cap size are consistent.
In some embodiments, the longitudinal direction-beam falling prevention stopping block includes the first steel plate, the second steel plate and rubber cushion blocks,
In,
First steel plate is vertically arranged to steel box-girder bottom, and makes steel case for providing connecting platform perpendicular to steel box-girder
Beam, the second steel plate, rubber block are attached thereto to form block；
Second steel plate is arranged at intervals at steel box-girder bottom with same distance, and with the first steel plate perpendicular to steel box-girder
Vertically, second steel plate is load-carrying construction, resists the impact force generated due to earthquake；
Rubber cushion blocks are set on the first vertical steel plate, as buffer unit, slow down rushing when block is collided with pinner
Hit power.
In some embodiments, connection includes: the connect with steel box-girder between the longitudinal direction-beam falling prevention stopping block each section
One steel plate is using pre-buried welding form together with steel box-girder pre-production；First steel plate and the first steel plate and the first steel plate and
Two steel plates are using welded connecting；First steel plate and rubber cushion blocks are using bonding connection.
In some embodiments, the longitudinal direction-coupling beam device is set to steel box-girder web outside, for reinforcing adjacent steel case
The connection of beam, the longitudinal direction coupling beam device include:
Rod iron, as load-carrying member and assembling axle center；
Spherical plate, for adjusting the axis corner of adjacent beam body；
Spring, rubber buffer ring are used for buffer unit impact force；
Anti-corrosion filler material, for anti-corrosion inside coupling beam device；
Protective cover, for providing device enclosure space and anti-corrosion；
Steel plate N1, N2, cushion block, bolt are connected for device；
Wherein, symmetrical longitudinal coupling beam device, the rod iron run through two steel casees in every two adjacent steel box-girder
The end diaphragm plate of beam, the longitudinal direction coupling beam device set gradually steel plate outward among two adjacent steel box-girders, spherical plate, delay
Rush rubber ring, cushion block, bolt；The spring is set between rubber buffer ring, cushion block, and part is sheathed on the yielding rubber
On circle, anti-corrosion filler material is filled in the space that steel plate N1, N2 and protective cover surround.
In some embodiments, the transverse direction-beam falling prevention stopping block includes level-one block, second level block and steel box-girder beam side
Block,
Wherein, the level-one block is set on the inside of steel pinner along bridge lateral；
The second level block is set at the pier across fracture belt bridge, platform cap or bent cap, is reinforced concrete structure,
Rubber cushion blocks are arranged in upper part, mutually collide stress with steel box-girder beam side block blocks；
Steel box-girder beam side block blocks are set to steel box-girder lower part, corresponding with the second level block, including 6 kinds of different size steel
Plate takes the corresponding various sizes of above material to be assembled into block according to superstructure self weight and Seismic Fortification；Wherein, steel
Box beam beam side block blocks are all made of welding together with steel box-girder pre-production, all steel plate connections.
(3) beneficial effect
It can be seen from the above technical proposal that antidetonation system, which is adjusted, across fracture belt bridge three-dimensional in the disclosure at least has
One of following beneficial effect:
(1) antidetonation system is adjusted due to using three-dimensional anti-seismic construction, energy in the three-dimensional of the disclosure across fracture belt bridge
The acceleration of superstructure and relative storey displacement when enough largely reduction earthquakes, to greatly reduce the earthquake of superstructure
Effect caused by reaction, dispersion and reduction seismic force；
(2) the adjustable antidetonation system of the three-dimensional of the disclosure across fracture belt bridge takes the anti-fall beam construction of multi-way prevention to arrange
Apply, when earthquake being avoided to occur caused by seriously damage and casualties；
(3) antidetonation system, which is adjusted, in the three-dimensional of the disclosure across fracture belt bridge can guarantee being open to traffic after the macroseism of bridge
Function, because active fault is there may be 1.4 meters of maximum horizontal, longitudinal and vertical of dislocation, design takes three-dimensional that structure is adjusted
Measure is made, quickly to adjust linear and elevation after shake, reaches linear reparation smooth, that index is suitable and is open to traffic function.
Detailed description of the invention
Fig. 1 a is the steel pinner sectional view that antidetonation system is adjusted in embodiment of the present disclosure three-dimensional.
Fig. 1 b is the steel pinner plan view that antidetonation system is adjusted in embodiment of the present disclosure three-dimensional.
Fig. 1 c is the pre-buried dowel positioning schematic diagram that antidetonation system is adjusted in embodiment of the present disclosure three-dimensional.
Fig. 1 d is the steel pinner assembly structure diagram that antidetonation system is adjusted in embodiment of the present disclosure three-dimensional.
Fig. 2 a is the steel bracket schematic view of the mounting position that antidetonation system is adjusted in embodiment of the present disclosure three-dimensional.
Fig. 2 b is the steel carrier structure elevation that antidetonation system is adjusted in embodiment of the present disclosure three-dimensional.
Fig. 2 c is the steel carrier structure sectional view that antidetonation system is adjusted in embodiment of the present disclosure three-dimensional.
Fig. 2 d is that the steel bracket of the adjustable antidetonation system of embodiment of the present disclosure three-dimensional connect bolt layout drawing with pier shaft.
Fig. 3 is that the reserved portion's three-view diagram of setting on the outside of the block of antidetonation system is adjusted in embodiment of the present disclosure three-dimensional.
Fig. 4 a is longitudinal beam falling prevention stopping block schematic view of the mounting position that antidetonation system is adjusted in embodiment of the present disclosure three-dimensional.
Fig. 4 b is longitudinal beam falling prevention stopping block installation site side view that antidetonation system is adjusted in embodiment of the present disclosure three-dimensional.
Fig. 4 c is longitudinal beam falling prevention stopping block detailed configuration schematic diagram that antidetonation system is adjusted in embodiment of the present disclosure three-dimensional.
Fig. 5 a is longitudinal direction-coupling beam device cross-section diagram that antidetonation system is adjusted in embodiment of the present disclosure three-dimensional.
Figure is longitudinal direction-coupling beam device side view that antidetonation system is adjusted in 5b embodiment of the present disclosure three-dimensional.
Figure is longitudinal direction-coupling beam device detailed configuration figure that antidetonation system is adjusted in 5c embodiment of the present disclosure three-dimensional.
Fig. 6 a is the lateral beam falling prevention stopping block schematic view of the mounting position that antidetonation system is adjusted in embodiment of the present disclosure three-dimensional.
Fig. 6 b is the lateral beam falling prevention stopping block side view that antidetonation system is adjusted in embodiment of the present disclosure three-dimensional.
Fig. 6 c is the steel box-girder beam side block blocks detailed configuration figure that antidetonation system is adjusted in embodiment of the present disclosure three-dimensional
Fig. 6 d is the steel plate structure figure for the steel box-girder beam side block blocks that antidetonation system is adjusted in embodiment of the present disclosure three-dimensional.
Fig. 7 is the lead core rubber support schematic view of the mounting position that antidetonation system is adjusted in embodiment of the present disclosure three-dimensional.
Specific embodiment
Antidetonation system is adjusted across fracture belt bridge three-dimensional present disclose provides a kind of, by combining two kinds of anti-seismic constructions
Measure is vertical from bridge, longitudinally, laterally three-dimensional proposes to cross over the adjustable antidetonation system of fracture belt bridge.Described two antidetonation structures
The measure of making includes:
1. designing the bearing surface minimum widith at support connection position；
2. installing restraint device between adjacent beams and between pier, beam.
Wherein, the 1. kind measure cans be compared to is " thin ", and the 2. to plant measure be exactly " stifled ", for leaning under " small " geological process
The method prevention of " stifled " falls beam, under " big " geological process, leans on the method restrainer of " thin ".
For the purposes, technical schemes and advantages of the disclosure are more clearly understood, below in conjunction with specific embodiment, and reference
The disclosure is further described in attached drawing.
Disclosure some embodiments will be done referring to appended attached drawing in rear and more comprehensively describe to property, some of but not complete
The embodiment in portion will be shown.In fact, the various embodiments of the disclosure can be realized by many different forms, without that should be solved
It is interpreted as being limited to embodiments set forth herein；Relatively, these embodiments are provided so that the disclosure meets applicable legal requirement.
In an exemplary embodiment of the disclosure, provide a kind of across the adjustable antidetonation body of fracture belt bridge three-dimensional
System.The three-dimensional of the present embodiment is adjusted in antidetonation system, by using " thin " and " stifled " two kinds of earthquake resistant constructions, vertical to bridge,
Longitudinally, laterally three-dimensional is proposed across the adjustable antidetonation system of fracture belt bridge.It specifically includes:
" thin " construction measure:
(1) vertical-dismountable steel pinner
(2) longitudinal direction-steel bracket anti-fall girder apparatus
(3) reserved portion (bracket) is set at transverse direction-pier, platform cap or bent cap
" stifled " construction measure:
(1) longitudinal direction-beam falling prevention stopping block
(2) longitudinal direction-coupling beam device
(3) transverse direction-beam falling prevention stopping block
(4) longitudinal direction+transverse direction-lead core rubber support
It is described in detail below in conjunction with various pieces of the attached drawing to the antidetonation system.
" thin " construction measure:
(1) vertical-dismountable steel pinner
Fig. 1 a is the steel pinner sectional view that antidetonation system is adjusted in embodiment of the present disclosure three-dimensional.Fig. 1 b is the embodiment of the present disclosure
The steel pinner plan view of antidetonation system is adjusted in three-dimensional.Fig. 1 c is the pre-buried anchor that antidetonation system is adjusted in embodiment of the present disclosure three-dimensional
Muscle positions schematic diagram.Fig. 1 d is the steel pinner assembly structure diagram that antidetonation system is adjusted in embodiment of the present disclosure three-dimensional.
As illustrated by figures 1 a-1 c, dismountable steel pinner 10 uses dismountable steel pinner to carry out pinner under vertical dislocation
Height adjustment readjusts deck profile grade and reaches smooth functional requirement of driving a vehicle.Steel pinner 10 is welded by steel plate 101, interior
Fill slightly expanded concrete 102 in portion.Steel pinner can be divided into several classes as required, and the present embodiment takes 4 classes, and every class thickness is different,
To meet raising or lowering for different misalignment undersetting pinners.It is attached between all kinds of steel pinners using high-strength bolt,
Every interlayer applies inorganic zinc-rich non-skid coating, and lowest level steel pinner is connected to a fixed by pre-buried dowel 106 with pier top.It is described pre-buried
Dowel 106 passes through cast-in fixing bolt hole 105.
The production of steel pinner uses prefabrication, to the more demanding of flatness, cover board can piecemeal manufacture, connecting portion needs
It is polished flat suitable, is put more energy into inside steel pinner using rib of slab, inner space is divided into 9 individual lattices, each lattice opens up coagulation
Native perfusing hole 103 and gas vent 104, after the completion of slightly expanded concrete 12 is perfused, using etc. strong methods blocked, and be polished flat
It is suitable.Steel pinner exposed surface carries out anticorrosive coating, and each interlayer is sealed using putty.
(2) longitudinal direction-steel bracket anti-fall girder apparatus
Fig. 2 a is the steel bracket schematic view of the mounting position that antidetonation system is adjusted in embodiment of the present disclosure three-dimensional.Fig. 2 b is this public affairs
Open the steel carrier structure elevation that antidetonation system is adjusted in embodiment three-dimensional.Fig. 2 c is that antidetonation is adjusted in embodiment of the present disclosure three-dimensional
The steel carrier structure sectional view of system.Fig. 2 d is that the steel bracket of the adjustable antidetonation system of embodiment of the present disclosure three-dimensional is connect with pier shaft
Bolt layout drawing.
As shown in Figure 2 a-2d, under longitudinally displaced, longitudinal tune is carried out using steel bracket 20 is installed at pier, platform cap or bent cap
Section, and girder at fracture belt is replaced, restore the function that is open to traffic.It is wide that steel bracket 20 can increase the enough bearing surfaces in support connection position
Degree carrys out the generation of restrainer earthquake, can mitigate pier top additional mass using steel bracket, to reduce the stress of substructure
Demand prevents additional mass to the ancillary damage of former bridge structure.
By Fig. 2 a it is found that the component and fitting of steel bracket include bracket block 201, rubber cushion blocks 202, M22 high-strength bolt 203,
Reinforcing pull rod 204 and several different size steel plates.
Wherein, 20 main structure of steel bracket and pier stud cross section top connect, for increasing the bearing surface at support connection position
Width；
Bracket block 201 is set to 20 two sides of steel bracket, is mainly used for being limited in the lateral displacement of geological process lower girder；
Rubber cushion blocks 202 are set to 20 top of steel bracket, and setting mainly prevents after support disengaging occurs for beam body, straight
Biggish impact force can be generated girder is made to fracture by connecing to fall on steel bracket 20, play certain linking buffer function；
High-strength bolt 203 and reinforcing pull rod 204 are used to the connection anchoring of steel bracket main body and pier stud.
Specifically connection includes: between each section
Push up pre-buried one block of steel plate in pier stud cross section；
20 main structure of steel bracket and pier top pre-embedded steel slab are welded to connect；
20 accessory of steel bracket, such as bracket block 201,202 pieces of rubber pad are installed.
(3) reserved portion (bracket) is set at transverse direction-pier, platform cap or bent cap
Fig. 3 is that the reserved portion's three-view diagram of setting on the outside of the block of antidetonation system is adjusted in disclosure three-dimensional.As shown in figure 3, horizontal
To under dislocation, carried out by setting reserved part 302 on the outside of block 301 at the pier, platform cap or bent cap across fracture belt bridge
Laterally linear adjusting reaches recovery and is open to traffic function.
Reserved part 302 is reinforced concrete structure, can be with bridge pier together pouring construction.Its width value can refer to bridge site
The maximum dislocation that place's fracture belt may occur, length and height are suggested consistent with pier, platform cap or bent cap size.
" stifled " construction measure:
(1) longitudinal direction-beam falling prevention stopping block
Longitudinal beam falling prevention stopping block uses simple structure, form easy for construction, schematic view of the mounting position and detailed configuration
Figure is as shown in fig. 4 a.Fig. 4 b is longitudinal beam falling prevention stopping block installation site side view that antidetonation system is adjusted in embodiment of the present disclosure three-dimensional
Figure.Fig. 4 c is longitudinal beam falling prevention stopping block detailed configuration schematic diagram that antidetonation system is adjusted in embodiment of the present disclosure three-dimensional.
As depicted in figure 4 a-4 c, longitudinal beam falling prevention stopping block is mainly made of two kinds of different size steel plates and rubber cushion blocks 401,
First steel plate 402 is vertically arranged to steel box-girder bottom, and perpendicular to steel box-girder, second steel plate is with same distance interval
It is set to steel box-girder bottom, and vertical with the first steel plate 402 perpendicular to steel box-girder, the rubber cushion blocks 401 are set to
On the first vertical steel plate 402.The corresponding various sizes of above material can be taken according to superstructure self weight and Seismic Fortification
Material is assembled into block.
Wherein, the first steel plate 402 mainly provides connecting platform, connects steel box-girder, the second steel plate 403, rubber block 401 therewith
It connects to form block；
Second steel plate 403 is main load-carrying construction, resists the impact force generated due to earthquake；
Rubber cushion blocks 401 are buffer unit, slow down impact force when block and pinner collision.
Specifically connection includes: between each section
1, it is made in advance of pre-buried welding form together with steel box-girder with the first steel plate 402 of steel box-girder connection；
2, the first steel plate 402 and the first steel plate 402 and the first steel plate 402 and the second steel plate 403 are using welded connecting；
3, the first steel plate 402 is connect with rubber cushion blocks 401 using high-strength adhesive.
(2) longitudinal direction-coupling beam device
Fig. 5 a is longitudinal direction-coupling beam device cross-section diagram that antidetonation system is adjusted in embodiment of the present disclosure three-dimensional.Figure is this public affairs of 5b
Open longitudinal direction-coupling beam device side view that antidetonation system is adjusted in embodiment three-dimensional.Figure is that 5c embodiment of the present disclosure three-dimensional is adjustable
The longitudinal direction of antidetonation system-coupling beam device detailed configuration figure.As illustrated in figs. 5 a-5 c, longitudinal coupling beam device is located at outside steel box-girder web
Side is mainly used for reinforcing the connection of adjacent steel box-girder, forms entirety and single span is avoided to fall beam risk.
Longitudinal coupling beam device composition component has: rod iron 501, spherical plate 502, spring 503, rubber buffer ring 504, cushion block
505, bolt 506, protective cover 507, anti-corrosion filler material 508 and steel plate N1, the N2 being connect with web.Wherein, steel plate N1 is perpendicular
To setting, steel plate N2 surrounds the steel plate N1 surrounding, and forms enclosure space with protection 1,000,000 and steel plate N1.
Wherein, rod iron 501 is load-carrying member and assembling axle center；Spherical plate 502 is used to adjust the axis corner of adjacent beam body；
Spring 503, rubber buffer ring 504 are used for buffer unit impact force；Anti-corrosion filler material 508 is for anti-corrosion inside coupling beam device；
Protective cover 507 provides device enclosure space, is used for anti-corrosion；Cushion block 505, bolt 506 are connected for device；Steel plate N1, N2 are used for
Device connection.
Wherein, the component is symmetrical arranged in every two adjacent steel box-girder.Rod iron 501 runs through the end of two steel box-girders
Diaphragm plate, the longitudinal direction coupling beam device set gradually steel plate N1 outward among two adjacent steel box-girders, spherical plate 502, delay
Rush rubber ring 504, cushion block 505, bolt 506.Spring 503 is set between rubber buffer ring 504, cushion block 505, and part is arranged
In on the rubber buffer ring 504, anti-corrosion filler material 508 is filled in the space that steel plate N1, N2 and protective cover 507 surround.
Specifically, connection includes: between each section
Using welded connecting between steel plate N1, N2 and steel box-girder web；
Spherical plate 502, spring 503, rubber buffer ring 504, cushion block 505, anti-corrosion filler material 508 are axis with rod iron 501
It successively assembles, finally tightens connection with bolt 506；
Protective cover 507 is connect with steel plate N2 using high-strength adhesive.
(3) transverse direction-beam falling prevention stopping block
Fig. 6 a is the lateral beam falling prevention stopping block schematic view of the mounting position that antidetonation system is adjusted in embodiment of the present disclosure three-dimensional.Figure
6b is the lateral beam falling prevention stopping block side view that antidetonation system is adjusted in embodiment of the present disclosure three-dimensional.Fig. 6 c is the embodiment of the present disclosure three
It is that antidetonation body is adjusted in embodiment of the present disclosure three-dimensional to steel box-girder beam side block blocks detailed configuration figure Fig. 6 d of adjustable antidetonation system
The steel plate structure figure of the steel box-girder beam side block blocks of system.
As shown in figures 6 a-6d, lateral beam falling prevention stopping block includes level-one block 601, second level block 602 and steel box-girder beam side
603 three parts of block composition, schematic view of the mounting position and detailed configuration figure are as shown in 6 figures.Wherein, steel plate N1, N2, N3, N4
For block component part, N5 is local strengthening steel plate inside steel box-girder, and N6 is block bottom plate N1 and steel box-girder bottom plate junction steel plate.
Wherein, lateral girder falling level-one block 601 is set to 10 inside of steel pinner along bridge lateral, with longitudinal girder falling
Block is similar, and each section material composition, connection description and function declaration can refer to aforementioned longitudinal direction-beam falling prevention stopping block.
Lateral girder falling second level block 602 be reinforced concrete structure, be set to the pier across fracture belt bridge, platform cap or
At person's bent cap, reference can be made to Fig. 3, can pass through superstructure certainly with bridge pier together pouring construction, width, length and height dimension
Value after weight and Seismic Fortification calculate.602 top of second level block and steel box-girder beam side block blocks mutually collide stress, settable
Rubber cushion blocks 604 buffer impact force.
As shown in Fig. 6 c-6d, steel box-girder beam side block blocks 603 are set to steel box-girder lower part, corresponding with the second level block,
It is mainly welded to form by 6 kinds of different size steel plates, corresponding different rulers can be taken according to superstructure self weight and Seismic Fortification
The very little above material is assembled into block.Wherein, steel box-girder fine strain of millet side block blocks 603 make in advance together with steel box-girder, all steel plates
Connection is all made of welding.
(4) longitudinal direction+transverse direction-lead core rubber support
Fig. 7 is the lead core rubber support schematic view of the mounting position that antidetonation system is adjusted in embodiment of the present disclosure three-dimensional.Lead for retractable pencil
Rubber support product have been relatively mature, and specific type selecting can be chosen according to end reaction by specification.The property of lead core rubber support 70
Energy requires to can refer to the technical indicator of JT822-2011 " highway bridge lead rubber bearing ".
So far, attached drawing is had been combined the embodiment of the present disclosure is described in detail.It should be noted that in attached drawing or saying
In bright book text, the implementation for not being painted or describing is form known to a person of ordinary skill in the art in technical field, and
It is not described in detail.In addition, the above-mentioned definition to each element and method be not limited in mentioning in embodiment it is various specific
Structure, shape or mode, those of ordinary skill in the art simply can be changed or be replaced to it.
It should also be noted that, the direction term mentioned in embodiment, for example, "upper", "lower", "front", "rear", " left side ",
" right side " etc. is only the direction with reference to attached drawing, not is used to limit the protection scope of the disclosure.Through attached drawing, identical element by
Same or similar appended drawing reference indicates.When may cause understanding of this disclosure and cause to obscure, conventional structure will be omitted
Or construction.
And the shape and size of each component do not reflect actual size and ratio in figure, and only illustrate the embodiment of the present disclosure
Content.In addition, in the claims, any reference symbol between parentheses should not be configured to the limit to claim
System.
It unless there are known entitled phase otherwise anticipates, the numerical parameter in this specification and appended claims is approximation, energy
Enough bases pass through the resulting required characteristic changing of content of this disclosure.Specifically, all be used in specification and claim
The middle content for indicating composition, the number of reaction condition etc., it is thus understood that repaired by the term of " about " in all situations
Decorations.Under normal circumstances, the meaning expressed refers to include by specific quantity ± 10% variation in some embodiments, some
± 5% variation in embodiment, ± 1% variation in some embodiments, in some embodiments ± 0.5% variation.
Furthermore word "comprising" does not exclude the presence of element or step not listed in the claims.It is located in front of the element
Word "a" or "an" does not exclude the presence of multiple such elements.
The word of ordinal number such as " first ", " second ", " third " etc. used in specification and claim, with modification
Corresponding element, itself is not meant to that the element has any ordinal number, does not also represent the suitable of a certain element and another element
Sequence in sequence or manufacturing method, the use of those ordinal numbers are only used to enable an element and another tool with certain name
Clear differentiation can be made by having the element of identical name.
In addition, unless specifically described or the step of must sequentially occur, there is no restriction in the above institute for the sequence of above-mentioned steps
Column, and can change or rearrange according to required design.And above-described embodiment can be based on the considerations of design and reliability, that
This mix and match is used using or with other embodiments mix and match, i.e., the technical characteristic in different embodiments can be freely combined
Form more embodiments.
Those skilled in the art will understand that can be carried out adaptively to the module in the equipment in embodiment
Change and they are arranged in one or more devices different from this embodiment.It can be the module or list in embodiment
Member or component are combined into a module or unit or component, and furthermore they can be divided into multiple submodule or subelement or
Sub-component.Other than such feature and/or at least some of process or unit exclude each other, it can use any
Combination is to all features disclosed in this specification (including adjoint claim, abstract and attached drawing) and so disclosed
All process or units of what method or apparatus are combined.Unless expressly stated otherwise, this specification is (including adjoint power
Benefit require, abstract and attached drawing) disclosed in each feature can carry out generation with an alternative feature that provides the same, equivalent, or similar purpose
It replaces.Also, in the unit claims listing several devices, several in these devices can be by same hard
Part item embodies.
Similarly, it should be understood that in order to simplify the disclosure and help to understand one or more of each open aspect,
Above in the description of the exemplary embodiment of the disclosure, each feature of the disclosure is grouped together into single implementation sometimes
In example, figure or descriptions thereof.However, the disclosed method should not be interpreted as reflecting the following intention: i.e. required to protect
The disclosure of shield requires features more more than feature expressly recited in each claim.More precisely, as following
Claims reflect as, open aspect is all features less than single embodiment disclosed above.Therefore,
Thus the claims for following specific embodiment are expressly incorporated in the specific embodiment, wherein each claim itself
All as the separate embodiments of the disclosure.
Particular embodiments described above has carried out further in detail the purpose of the disclosure, technical scheme and beneficial effects
Describe in detail it is bright, it is all it should be understood that be not limited to the disclosure the foregoing is merely the specific embodiment of the disclosure
Within the spirit and principle of the disclosure, any modification, equivalent substitution, improvement and etc. done should be included in the guarantor of the disclosure
Within the scope of shield.
Claims (12)
1. a kind of be adjusted antidetonation system across fracture belt bridge three-dimensional, which is characterized in that by using diverting type earthquake resistant construction
With intercept type earthquake resistant construction, every kind of earthquake resistant construction is vertical along bridge, longitudinally, laterally anti-seismic structure is respectively set in three-dimensional, constitute across
The more adjustable antidetonation system of fracture belt bridge three-phase.
2. antidetonation system is adjusted in three-dimensional according to claim 1, which is characterized in that
The diverting type earthquake resistant construction include: vertical-dismountable steel pinner, longitudinal direction-steel bracket anti-fall girder apparatus, transverse direction-pier,
Reserved portion is set at platform cap or bent cap；
The type earthquake resistant construction of intercepting includes: longitudinal direction-beam falling prevention stopping block, longitudinal direction-coupling beam device, transverse direction-beam falling prevention stopping block, longitudinal direction
+ transverse direction-lead core rubber support.
3. antidetonation system is adjusted in three-dimensional according to claim 2, which is characterized in that vertical-dismountable steel pad
Stone is welded by steel plate, and inside filling slightly expanded concrete, the steel pinner is able to carry out pinner height adjustment.
4. antidetonation system is adjusted in three-dimensional according to claim 3, which is characterized in that steel pinner includes multiclass, and every class is thick
Degree is different, is attached between all kinds of steel pinners using high-strength bolt, and every interlayer applies inorganic zinc-rich non-skid coating, lowest level steel pad
Stone is connected to a fixed by pre-buried dowel with pier top.
5. antidetonation system is adjusted in three-dimensional according to claim 4, which is characterized in that use rib of slab inside the steel pinner
It puts more energy into, and inner space is divided into multiple individual lattices, each lattice opens up filling concrete mouth and gas vent, and microdilatancy is mixed
After the completion of solidifying soil perfusion, using etc. strong methods blocked, and be polished flat suitable；Steel pinner exposed surface uses anticorrosive coating, respectively
Interlayer is sealed.
6. antidetonation system is adjusted in three-dimensional according to claim 2, which is characterized in that the longitudinal direction-steel bracket girder falling
Device carries out vertical adjustment using steel bracket is installed at pier, platform cap or bent cap, comprising:
Steel bracket is pushed up with pier stud cross section and is connected, for increasing the width of supporting surface at support connection position；
Bracket block is set to steel bracket two sides, for being limited in the lateral displacement of geological process lower girder；
Rubber cushion blocks are set to above the steel bracket, are made for preventing when beam body occurs to fall on steel bracket after support is detached from
Girder fractures, and plays linking buffer function；
Bolt and reinforcing pull rod, the connection for steel bracket main body and pier stud anchor；And
Several various sizes of pre-embedded steel slabs, the connection for steel bracket main body structure and pier stud.
7. antidetonation system is adjusted in three-dimensional according to claim 2, which is characterized in that the longitudinal direction-steel bracket girder falling
The connection of component includes: to push up setting pre-embedded steel slab in pier stud cross section in device；Steel bracket main body structure and pier top pre-embedded steel slab
It is welded to connect；Accessory, including bracket block and rubber pad are installed on steel bracket.
8. antidetonation system is adjusted in three-dimensional according to claim 2, which is characterized in that the transverse direction-pier, platform cap or bent cap
Place is arranged reserved portion and carries out laterally linear adjusting, and reserving portion is reinforced concrete structure, and width value is by bridge site fracture belt
Maximum dislocation determine, length and highly consistent with pier, platform cap or bent cap size.
9. antidetonation system is adjusted in three-dimensional according to claim 2, which is characterized in that the longitudinal direction-beam falling prevention stopping block packet
Include the first steel plate, the second steel plate and rubber cushion blocks, wherein
First steel plate is vertically arranged to steel box-girder bottom, and makes steel box-girder, for providing connecting platform perpendicular to steel box-girder
Two steel plates, rubber block are attached thereto to form block；
Second steel plate is arranged at intervals at steel box-girder bottom with same distance, and hangs down with the first steel plate perpendicular to steel box-girder
Directly, second steel plate is load-carrying construction, resists the impact force generated due to earthquake；
Rubber cushion blocks are set on the first vertical steel plate, as buffer unit, slow down impact force when block and pinner collision.
10. antidetonation system is adjusted in three-dimensional according to claim 9, which is characterized in that the longitudinal direction-beam falling prevention stopping block is each
Connection includes: that the first steel plate connecting with steel box-girder uses pre-buried welding form together with steel box-girder pre-production between part；The
One steel plate and the first steel plate and the first steel plate and the second steel plate are using welded connecting；First steel plate and rubber cushion blocks are using viscous
Close connection.
11. antidetonation system is adjusted in three-dimensional according to claim 2, which is characterized in that the longitudinal direction-coupling beam device setting
In steel box-girder web outside, for reinforcing the connection of adjacent steel box-girder, the longitudinal direction coupling beam device includes:
Rod iron, as load-carrying member and assembling axle center；
Spherical plate, for adjusting the axis corner of adjacent beam body；
Spring, rubber buffer ring are used for buffer unit impact force；
Anti-corrosion filler material, for anti-corrosion inside coupling beam device；
Protective cover, for providing device enclosure space and anti-corrosion；
Steel plate N1, N2, cushion block, bolt are connected for device；
Wherein, symmetrical longitudinal coupling beam device, the rod iron run through two steel box-girders in every two adjacent steel box-girder
Diaphragm plate is held, the longitudinal direction coupling beam device sets gradually steel plate, spherical plate, buffering rubber outward among two adjacent steel box-girders
Cushion rubber, cushion block, bolt；The spring is set between rubber buffer ring, cushion block, and part is sheathed on the rubber buffer ring
On, anti-corrosion filler material is filled in the space that steel plate N1, N2 and protective cover surround.
12. antidetonation system is adjusted in three-dimensional according to claim 2, which is characterized in that the transverse direction-beam falling prevention stopping block packet
Level-one block, second level block and steel box-girder beam side block blocks are included,
Wherein, the level-one block is set on the inside of steel pinner along bridge lateral；
The second level block is set at the pier across fracture belt bridge, platform cap or bent cap, is reinforced concrete structure, thereon
Rubber cushion blocks are arranged in portion, mutually collide stress with steel box-girder beam side block blocks；
Steel box-girder beam side block blocks are set to steel box-girder lower part, corresponding with the second level block, including a variety of different size steel plates, root
The corresponding different size steel plates are taken to be assembled into block according to superstructure self weight and Seismic Fortification；Wherein, steel box-girder beam
Side block blocks are all made of welding together with steel box-girder pre-production, all steel plate connections.
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| CN201910310772.8A CN110331652B (en) | 2019-04-17 | 2019-04-17 | Three-way adjustable anti-seismic system for bridge crossing fracture zone |
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| CN201910310772.8A CN110331652B (en) | 2019-04-17 | 2019-04-17 | Three-way adjustable anti-seismic system for bridge crossing fracture zone |
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| 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 |
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