CN110396919A - A kind of assembling type steel structure-concrete composite bridge and its construction method - Google Patents
A kind of assembling type steel structure-concrete composite bridge and its construction method Download PDFInfo
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- CN110396919A CN110396919A CN201910685096.2A CN201910685096A CN110396919A CN 110396919 A CN110396919 A CN 110396919A CN 201910685096 A CN201910685096 A CN 201910685096A CN 110396919 A CN110396919 A CN 110396919A
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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
- E01D19/00—Structural or constructional details of bridges
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to 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
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- Bridges Or Land Bridges (AREA)
Abstract
The present invention relates to a kind of assembling type steel structure-concrete composite bridge and its construction methods, it is related to the technical field of bridge construction, including concrete pier and truss-steel beam, the side wall of concrete pier two sides offers placing groove, truss-steel beam includes girder steel support, girder steel support, girder steel plate, the slot bottom of placing groove is connected with elastomer block, and elastomer block is connect with girder steel support；The lower surface of two girder steel plates on same concrete pier is respectively arranged with male plug plate and female plug plate, female plug plate and male plug plate are mating, the short side of female plug plate and the short side of male plug plate are connected with elastic component, and elastic component is extended between two girder steel plates and connect with two girder steel plate opposite sides.The present invention passes through the setting of male plug plate and female plug plate, elastic component and elastomer block, reduce the probability being destroyed between adjacent truss-steel beam, between truss-steel beam and concrete pier, to keep the overall structure of bridge relatively stable, the probability being destroyed in earthquake or in the case where significant shock is substantially reduced.
Description
Technical field
The present invention relates to the technical fields of bridge construction, more particularly, to a kind of assembling type steel structure-Combined concrete bridge
Beam and its construction method.
Background technique
Expansion joint is the important component in bridge structure.In temperature change, concrete shrinkage, live loading, bridge
Under the influence of the sedimentation of pier and the factors such as creep, bridge span structure can be deformed, so that beam-ends be made to generate displacement.It is this to be applicable in
It is displaced and keeps the ride comfort of driving vehicle on bridge, it is necessary to be arranged between the both ends of bridge floor and between beam-ends and abutment parados
Transverse expansion joint.
Existing bridge expansion joint structure is there are mainly two types of form, and one is using the pre- of angle steel or channel steel and bridge floor end
Reinforcement welding is buried, then casting concrete；For such expanded joint structure under wheel impacts effect, steel bar welding contact is also easy to produce desoldering
And deformation, cause jump vehicle phenomenon serious；Furthermore in the case where the wheel of mighty torrent rolls, angle steel or channel steel are also easy to produce fatigue fracture.Separately
One is slidingtype or dog expansion plate is fixed by bolts, to cope with expanding with heat and contract with cold for bridge；Such expanded joint structure exists
When road shock is serious, the case where even falling off there are bolt looseness；It is deposited between this external cause concrete road surface and expanded joint structure
In lesser difference in height, causes wheel to impact expanded joint structure serious, exist and jump vehicle hidden danger, can be rushed what is more because of wheel level
Power is hit, bolt is made to shear and break.
Authorization Notice No. discloses a kind of bridge expansion joint structure for the Chinese invention of CN105672126B, including along bridge
Width direction and symmetrical expansion joint fixed area, one end will be along a part of expansion joint fixed area in bridge length direction
First steel plate of sealing, and the second steel plate that will be sealed along another part expansion joint fixed area in bridge length direction；It is flexible
The high molecular polymer for being bonded as one it with the first steel plate, the second steel plate is poured in seam fixed area；First steel plate
The other end is located at side of second steel plate far from expansion joint fixed area and first steel plate at the end is equipped with the first steel plate edge
Bridge length direction is divided into two-part stretching region；First steel plate can be slided along bridge length direction relative to the second steel plate.
It is bonded as entirety with the steel plate for being located at its surrounding using high molecular polymer by above structure, is reduced by high molecular polymer
Impact dynamics of the wheel to expanded joint structure；It avoids and is connected by screw bolts, from bolt looseness may be not present, fall off and cut
Disconnected phenomenon.
Technical solution among the above has the following deficiencies: that high molecular polymer has certain deformability, when vehicle pressure
When on the first steel plate or the second steel plate, it may occur that bending, and the position pressed can decline compared to the position height that do not press, In
Just will appear the trend of dislocation when decline between first steel plate and the second steel plate, if things go on like this, the first steel plate and the second steel plate it
Between will separate, cause destructurized；And when encountering earthquake conditions, it is more easier to misplace, structure is caused to be destroyed.
Summary of the invention
The first object of the present invention is to provide a kind of assembling type steel structure-concrete composite bridge, passes through male plug plate and mother
The setting of plate, elastic component and elastomer block is reduced between adjacent truss-steel beam, is destroyed between truss-steel beam and concrete pier
Probability, to keep the overall structure of bridge relatively stable, the probability being destroyed in earthquake or in the case where significant shock
It substantially reduces.
Foregoing invention purpose of the invention has the technical scheme that
A kind of assembling type steel structure-concrete composite bridge including concrete pier and is arranged on the concrete pier
Truss-steel beam, the side wall that the concrete pier is located at the two sides of the truss-steel beam width direction offer and the concrete bridge
The placing groove of pier top portion connection, the truss-steel beam include rolling slip the placing groove girder steel support, be mounted on the girder steel
Girder steel in support supports, the separate girder steel support one end of the girder steel support is arranged in and is in horizontal girder steel plate, the placing groove
Slot bottom is connected with elastomer block, and the elastomer block is connect with the girder steel support；
The lower surface of two described girder steel plate one end close to each other on the same concrete pier is respectively arranged in L shape
Male plug plate and the L-shaped female plug plate with slot, and the long side of the female plug plate and the long side grafting of the male plug plate are matched
It closes, the short side opposite side of the short side of the female plug plate and the male plug plate is connected with elastic component, and the elastic component extends to
It is connect between two girder steel plates and with two girder steel plate opposite sides.
By using above-mentioned technical proposal, when encountering earthquake, due to the clamping engagement of male plug plate and female plug plate, phase
The positional relationship of adjacent truss-steel beam is relatively stable, can only be displaced in length direction；And elastic component connects adjacent girder steel plate, so that phase
Adjacent girder steel plate will not collide and the maximum distance of relative motion is also limited by elastic component, therefore reduces adjacent girder steel
The probability that plate mistake is destroyed；And truss-steel beam and concrete pier are also able to maintain in a certain range relatively due to the presence of elastomer block
Displacement, therefore the probability being destroyed between truss-steel beam and concrete pier is reduced, to keep the overall structure of bridge more steady
Fixed, the probability being destroyed in earthquake or in the case where significant shock substantially reduces.
Preferably, girder steel support lower surface is provided with support base, and the support base is equipped with rolling by bar rotation
Roller, the placing groove lower wall are spaced apart the limit that the concrete pier side wall there are two set where with its notch is connected to
Slot, the length direction of the limiting slot is parallel with the length direction of the girder steel plate, and the support base extends to the limiting slot
It is interior and with the limiting slot slide cooperate.
By using above-mentioned technical proposal, the setting of limiting slot defines the direction of motion of support base, that is, defines girder steel
The direction of motion of support, so that truss-steel beam is also not easy to deviate in width direction in the biggish situation of vibration amplitude, so that truss-steel beam
It is relatively stable.
Preferably, the slot bottom of the placing groove vertically slides and is provided with movable plate, and the elastomer block is fixed at institute
State the slot bottom side that movable plate deviates from the placing groove；It is provided in the placing groove lower wall between two limiting slots
Buffer layer, the rolling roller roll on the buffer layer.
By using above-mentioned technical proposal, since in use or when receiving vibration, truss-steel beam also has vertical
The trend of movement makes girder steel support can to reduce the probability of truss-steel beam stiffness cracks or failure by shear provided with movable plate
Jitter amplitude in vertical motion, and when reducing vibration under the setting of buffer layer, so that truss-steel beam is during shake
It more mitigates, reduces the probability of stiffness cracks or failure by shear, play preferable structural defence effect, can extend using the longevity
Life.The setting of buffer layer simultaneously can reduce vehicle and open the sound and vibration that out-of-date truss-steel beam issues, and reduce bolt pine on truss-steel beam
Dynamic probability.
Preferably, the concrete pier include muti-piece be vertically superposed cyclic annular prefabricated section, pass through all rings
Shape prefabricated section and be clamped with the cyclic annular prefabricated section sliding and for the positioning column casing of steel, be arranged in the top it is described it is cyclic annular in advance
The upper and lower surfaces of the top plate lived on clamp dog and by the positioning column cover, the ring-type prefabricated section are respectively arranged with mutually
The annular fixture block and first annular card slot of clamping, the top plate lower surface offer second to be engaged by clamping with the annular fixture block
Annular slot；The antidetonation component for connecting with its inner wall and connecting with the top plate, the positioning are provided in the positioning column casing
Column casing lower end circumferentially offers the fixation hole in vertical multiple perforations；The placing groove, limiting slot are provided with the top plate
On, and the truss-steel beam is arranged on the top plate.
By using above-mentioned technical proposal, when construction, first positioning column casing is fixed on bridge foundation, then will be cyclic annular prefabricated
Block successively slides set and is set on positioning column cylinder, and the annular fixture block of adjacent annular prefabricated section and first annular card slot are engaged by clamping,
And be bolted, finally by the cyclic annular prefabricated section of mounting of roof plate to the top, and positioning column cover is lived, and annular snap
Block and the second annular slot are engaged by clamping, and then truss-steel beam is installed on top plate again.By making concrete pier by cyclic annular pre-
Clamp dog, positioning column casing and top plate are assembled, and are not necessarily to cast in situs, save the use of large number of equipment, shorten the construction period, and reduce to week
The influence in collarette border, while the waste of material can also be reduced, meet the theory of green construction.Wherein it is also provided with antidetonation group
Part, to reduce damage of the earthquake to concrete pier.
Preferably, opposite two long sides of the annular fixture block upper surface offer at least three the first deep gouge, described
It is embedded with the first inner screw sheath with the first deep gouge corresponding number in annular fixture block and the cyclic annular prefabricated section, described first
The both ends of inner screw sheath are flushed with the slot bottom of the slot bottom of first deep gouge and the first annular card slot respectively, the adjacent ring
First inner screw sheath of shape prefabricated section is bolted by first, and the head of first bolt is in first deep gouge；
The cover top surface offers the second deep gouge that total quantity is the first deep gouge quantity half, the top along opposite two long sides
Plate is embedded with the second inner screw sheath identical with first inner screw sheath, the following table of second inner screw sheath and the top plate
Face is connected to the slot bottom of second deep gouge, the first internal screw thread of the second inner screw sheath of the top plate and the cyclic annular prefabricated section
Set is bolted by second, and second bolt is in second deep gouge.
By using above-mentioned technical proposal, when connecting adjacent annular prefabricated section, by the first bolt spacings be installed in place in
On the annular fixture block of the cyclic annular prefabricated section of top, and it is thread through the annular snap of the cyclic annular prefabricated section of the first inner screw sheath and lower section
The first inner screw sheath on block is threadedly engaged, and the head of the first bolt is in the first deep gouge；The ring-type reconnected above again is prefabricated
When block, the first bolt of installation and the first bolt of lower section are staggered, to realize the purpose for connecting adjacent annular prefabricated section；Top plate
Installation be also the same reason, but the quantity of the second deep gouge opened of top plate and the quantity of the second inner screw sheath are cyclic annular pre-
The half of clamp dog.Simultaneously in handling ring-type prefabricated section and top plate, it can be fixed on the lifting rope of loop wheel machine and the first inner screw sheath spiral shell
The screw rod of line cooperation, so that more fast facilitating in handling, efficiency is higher.
Preferably, the cyclic annular prefabricated section is embedded with the connection ring of the L-shaped steel in section, and the long side of the connection ring connects
The interior ring-side wall in the cyclic annular prefabricated section is connect, the short side of the connection ring is embedded in the cyclic annular prefabricated section under inner ring
Surface；The connection ring inner ring is provided with locating piece, and the positioning column drum outer wall is vertically offered to be slid with the locating piece
The locating slot of cooperation.
By using above-mentioned technical proposal, the intensity of cyclic annular prefabricated section is improved, it is cyclic annular prefabricated when by stronger vibration
Collsion damage degree can reduce between block and positioning column casing, extend physical life；The cooperation of locating piece and locating slot improves ring
Efficiency when shape prefabricated section is installed also improves cyclic annular prefabricated section and positions the globality of column casing, it is strong to enhance whole structure
Degree.
Preferably, the antidetonation component includes being mounted on the positioning column casing inner wall and in horizontal fixed ring, rotation
The change that is arranged in the fixed ring, at least three uniform intervals be connected to connector in the change, with it is all described
Connector connection and with the coaxial placement ring of the positioning column casing, be placed on the placement ring and also by connector with it is described
The gravitation ball of top plate connection, and the gravitation ball in hollow shape and is perfused with a certain amount of liquid.
By using above-mentioned technical proposal, gravitation ball absorb energy after can swing, with this come consume concrete pier by
The energy arrived reduces the probability being destroyed so as to reduce the amplitude of fluctuation of the concrete pier in vibration.Simultaneously in gravitation ball
Setting unit liquid, is not full of, so that the liquid also moves in gravitation ball, can further consume ability, further drops
The probability of low destruction.
Preferably, the girder steel plate includes the steelframe frame being arranged in girder steel support, spells and be located on the steelframe frame
Muti-piece steel grating plate, is arranged described the damping and silencing layer for being laid on the steel grating plate and connecting with the steel grating plate
The precast rc slab connecting on damping and silencing layer and with the damping and silencing layer, the damping and silencing layer offer logical
Hole, and connection glue is provided between the adjacent precast rc slab；The male plug plate and the female plug plate are respectively set
In the lower surface of the adjacent steelframe frame, and the elastic component be connected to it is close to each other described pre- on the adjacent steelframe frame
The opposite side of armoured concrete slab processed.
By using above-mentioned technical proposal, for precast rc slab for vehicle driving, the setting of damping and silencing layer can be big
The big vehicle that reduces is in the noise for opening out-of-date steel grating plate sending, and on the one hand the setting of through-hole is accelerated under precast rc slab
The air on surface flows, and reduction summer precast rc slab temperature is too high and the probability damaged occurs；One side of steel grating plate
Face provides support, can also play the role of preventing ponding, and it is lighter compared to monolith steel plate to be self-possessed, and alleviates bottom bracing structure
Burden, and be also convenient for carry and dismantle.And girder steel plate is divided into steelframe frame, steel grating plate, damping and silencing layer and pre-manufactured steel
Reinforced concrete plate is convenient for replacing, to traffic when steel grating plate, damping and silencing layer and precast rc slab have damage
Influence it is smaller.
The second object of the present invention is to provide a kind of construction method of assembling type steel structure-concrete composite bridge, passes through
S1 to S8 constructs assembling type steel structure-concrete composite bridge, be related to pour step less, compared to it is existing compared with
To be simple and fast, and handling is convenient, and also more convenient when removing maintenance in the later period.
Foregoing invention purpose of the invention has the technical scheme that
A kind of construction method of assembling type steel structure-concrete composite bridge, comprising the following steps:
S1, production precast rc slab, take template, frame reinforcing bar, casting concrete, blanks and moulding and conserving；Cyclic annular prefabricated section, takes mould
Plate, frame reinforcing bar weld on the first inner screw sheath to reinforcing bar, casting concrete, blanks and moulding and conserving, and have the first deep gouge；Top plate is taken
Template, frame reinforcing bar, on the second inner screw sheath to reinforcing bar of welding, casting concrete, blanks and moulding and conserving, have on top plate the second deep gouge,
Placing groove and limiting slot；
S2, excavation pit tie up on vertical basic muscle to steel reinforcement cage if steel reinforcement cage, pour bridge foundation, blanks and moulding and conserving, base
Plinth muscle protrudes from bridge foundation upper surface；
S3, positioning column casing is sling and is installed on bridge foundation, and be inserted into basic muscle in fixation hole, and casting concrete with
Gravitation ball is poured into after liquid to be put into and be placed on ring by the remaining space for filling up fixation hole；
The stud with the first inner screw sheath cooperation on cyclic annular prefabricated section is bound on the lifting rope of S4, again loop wheel machine, passes through stud and the
First cyclic annular prefabricated section is sling and is set on positioning column casing by the cooperation of one inner screw sheath, and by the cunning of locating piece and locating slot
It moves cooperation to be put on bridge foundation, then second cyclic annular prefabricated section is set on positioning column casing, also relies on locating piece
Sliding cooperation with locating slot is put on first cyclic annular prefabricated section, while annular fixture block and first annular card slot are engaged by clamping,
Then the first bolt is screwed on first inner screw sheath at interval, by the first inner screw sheath and first of second cyclic annular prefabricated section
First inner screw sheath of a ring-type prefabricated section is connected and fixed, and injecting glue；Second cyclic annular prefabricated section is fixed with the first bolt again
When the first inner screw sheath of the first inner screw sheath and the cyclic annular prefabricated section of third, with the first bolt on second cyclic annular prefabricated section
Be staggered fixation, successively installs cyclic annular prefabricated section in the same manner later, and with weather-proof between adjacent cyclic annular prefabricated section
Waterproof seal sealing；
Top plate is hung stud and the cooperation of the second inner screw sheath onto the cyclic annular prefabricated section of the top by S5, same method, is being covered
Gravitation ball is connect with top plate lower surface by connector before, is covered again after having connected, and annular fixture block and the second annular
Card slot is engaged by clamping, then is bolted on the cyclic annular prefabricated section of the top with second, and between cyclic annular prefabricated section and top plate
Also it is sealed with weather-proof waterproof seal；
Buffer layer is set on S6, the placing groove lower wall between two limiting slots, elastomer block is installed on top plate, by steelframe
Roof beam structure is set on adjacent top plate, and the male plug plate of adjacent truss-steel beam and female plug plate are mating；The rolling roller of truss-steel beam is subtracting
It shakes on layer, is connected and fixed girder steel support with elastomer block with third bolt, and girder steel support and elastomer block are glued；
S7, array is laid with steel grating plate on steelframe frame, and is fixed steel grating plate with steel frame by the 4th bolt, and infuse
Glue；Damping and silencing layer is routed on steel grating plate, and is fixed damping and silencing layer with steel grating plate by the 5th bolt；It will be pre-
Armoured concrete slab processed is laid on damping and silencing layer, and passes through the 6th bolt for damping and silencing layer and precast rc slab
It is fixed, and connection glue is poured between the opposite side wall of adjacent precast rc slab；
S8, elastic component is installed in the space that male plug plate and female plug plate are formed, and elastic component extends between two steelframe frames, and
And it extends to upper end and is flushed with precast rc slab, while elastic component reaches two between two precast rc slabs
Side and the opposite side of two precast rc slabs are glued.
By using above-mentioned technical proposal, before check first by precast rc slab, cyclic annular prefabricated section and top plate
It makes, transports to construction site.Then bridge foundation is carried out, then formally starts to assemble.
The column casing of installation positioning before this, and the basic muscle of bridge foundation is inserted into fixation hole, and casting concrete is to fill up
Gravitation ball is poured into after liquid to be put into and be placed on ring by the remaining space of fixation hole.Again by loop wheel machine by cyclic annular prefabricated section successively
Installation set is set on positioning column casing, and adjacent cyclic annular prefabricated section is fixed with the first bolt, and in the friendship of adjacent annular prefabricated section
It is sealed at boundary with weather-proof waterproof seal.
Same method hangs top plate onto the cyclic annular prefabricated section of the top, by gravitation ball and top plate lower surface before covering
It is connected by connector, first lifts gravitation ball before connection, connect and covered again later, then be bolted to second most upper
On the cyclic annular prefabricated section of side, and also sealed with weather-proof waterproof seal between cyclic annular prefabricated section and top plate.
Buffer layer is set in placing groove, elastomer block is installed on top plate, by steelframe erection to adjacent top plate, and
The male plug plate and female plug plate of adjacent truss-steel beam are mating；The rolling roller of truss-steel beam is on buffer layer, with third bolt by girder steel
Support is connected and fixed with elastomer block, and girder steel support is glued again with elastomer block.
Array is laid with steel grating plate on steelframe frame, and is fixed steel grating plate with steel frame by the 4th bolt, and infuse
Glue；Damping and silencing layer is routed on steel grating plate, and is fixed damping and silencing layer with steel grating plate by the 5th bolt；It will be pre-
Armoured concrete slab processed is laid on damping and silencing layer, and passes through the 6th bolt for damping and silencing layer and precast rc slab
It is fixed, and connection glue is poured between the opposite side wall of adjacent precast rc slab, improve prefabricated reinforced concrete
Globality between plate.
Finally elastic component is installed in the space that male plug plate and female plug plate are formed, and elastic component extend to two steelframe frames it
Between, elastic component is reached into the two sides between two precast rc slabs and the opposite side of two precast rc slabs
It is glued, completes installation.Whole process handling is quick, in addition to pour bridge foundation and perfusion fixation hole, without pouring, efficiency compared with
Height, and on the environment on periphery substantially without influence.
In conclusion advantageous effects of the invention are as follows:
1, by the setting of male plug plate and female plug plate, elastic component and elastomer block, reduce between adjacent truss-steel beam, truss-steel beam and
The probability being destroyed between concrete pier, to keep the overall structure of bridge relatively stable, in earthquake or significant shock
In the case where the probability that is destroyed substantially reduce；
2, make girder steel support can be in vertical motion by movable plate, and shake width when reducing vibration under the setting of buffer layer
Degree reduces the probability of stiffness cracks or failure by shear so that truss-steel beam more mitigates during shake, plays preferable
Structural defence effect can prolong the service life；The setting of buffer layer simultaneously can reduce vehicle and open the sound that out-of-date truss-steel beam issues
And vibration, reduce the probability of all bolt loosenesses on truss-steel beam；
3, by making concrete pier be assembled by cyclic annular prefabricated section, positioning column casing and top plate, it is not necessarily to cast in situs, is saved big
The use for measuring equipment, shortens the construction period, and reduces the influence to ambient enviroment, while can also reduce the waste of material, meets green
The theory of construction；It is also provided with antidetonation component, wherein to reduce damage of the earthquake to concrete pier；
4, by the way that girder steel plate is divided into steelframe frame, steel grating plate, damping and silencing layer and precast rc slab, work as steel grating
Plate, damping and silencing layer and precast rc slab are convenient for replacing when having damage, and the influence to traffic is smaller.
Detailed description of the invention
Fig. 1 is the schematic diagram of stereochemical structure of the invention；
Fig. 2 is the explosive view (one) that concrete pier is connect with bridge foundation in the present invention；
Fig. 3 is the explosive view (two) that concrete pier is connect with bridge foundation in the present invention；
Fig. 4 is the enlarged diagram in the portion A in Fig. 3；
Fig. 5 is the enlarged diagram in the portion B in Fig. 2；
Fig. 6 is the enlarged diagram in the portion C in Fig. 2;
Fig. 7 is the enlarged diagram in the portion D in Fig. 2;
Fig. 8 is the partial exploded view (one) of truss-steel beam and top plate in the present invention, and girder steel plate explodes in figure;
Fig. 9 is the enlarged diagram in the portion E in Fig. 8;
Figure 10 is the partial exploded view (two) of truss-steel beam and top plate in the present invention, and girder steel plate explodes in figure;
Figure 11 is the enlarged diagram in the portion F in Figure 10.
Appended drawing reference: 1, bridge foundation；11, basic muscle；2, concrete pier；21, cyclic annular prefabricated section；211, connection ring；
212, locating piece；213, annular fixture block；214, first annular card slot；215, the first deep gouge；216, the first inner screw sheath；217,
One bolt；22, column casing is positioned；221, fixation hole；222, locating slot；23, top plate；231, placing groove；232, the second deep gouge；233,
Second inner screw sheath；234, the second bolt；235, T-slot；236, movable plate；237, the 7th bolt；238, elastomer block；239, it limits
Position slot；24, antidetonation component；241, fixed ring；242, change；243, connector；244, ring is placed；245, gravitation ball；25, damping
Layer；26, the second annular slot；27, third bolt；3, truss-steel beam；31, girder steel support；311, support base；312, rolling roller；32, steel
Beam support；33, girder steel plate；331, steelframe frame；332, steel grating plate；333, damping and silencing layer；334, precast rc slab；
335, the 4th bolt；336, the 5th bolt；337, the 6th bolt；338, glue is connected；34, male plug plate；35, female plug plate；351, it inserts
Slot；36, elastic component.
Specific embodiment
Below in conjunction with attached drawing, present invention is further described in detail.
A kind of assembling type steel structure-concrete composite bridge referring to Fig.1, including concrete pier 2 and is erected at concrete
Truss-steel beam 3 on bridge pier 2.
Referring to Fig. 2, concrete pier 2 is arranged on bridge foundation 1, and basic muscle 11 is protruded on bridge foundation 1.Concrete
Bridge pier 2 includes multiple cyclic annular prefabricated sections 21, positioning column casing 22 and top plate 23, and positioning 22 section of column casing is in waist type ring, positions column casing
22 lower ends circumferentially offer the fixation hole 221 in vertical multiple perforations, and positioning column casing 22 is installed to bridge base when installation
On plinth 1, and it is plugged into basic muscle 11 in fixation hole 221, then again in 221 casting concrete of fixation hole, last fixation hole 221
It is enclosed.
Referring to Fig. 3 and Fig. 4, positioning 22 outer wall of column casing, which is vertically spaced apart, to be equipped with and locating slot 222.Cyclic annular prefabricated section 21 is cut
Face is also in waist type ring, and cyclic annular prefabricated section 21 is set in just outside positioning column casing 22, and cyclic annular prefabricated section 21 is fixedly embedded at section
The connection ring 211 of L-shaped steel, the long side of connection ring 211 are fixed on the interior ring-side wall of cyclic annular prefabricated section 21, connection ring 211
Short side be embedded in cyclic annular prefabricated section 21 close to the lower surface of inner ring；And the integrated molding of 211 inner ring of connection ring is provided with and positions
The locating piece 212 of the sliding cooperation of slot 222, when installing cyclic annular prefabricated section 21, locating piece 212 is slided along locating slot 222.
Referring to Fig. 4 and Fig. 5, the upper and lower surfaces of cyclic annular prefabricated section 21 are respectively arranged with the annular fixture block being mutually clamped
213 and first annular card slot 214, annular fixture block 213 is integrally disposed upon the upper surface of cyclic annular prefabricated section 21, on annular fixture block 213
Opposite two long sides on surface are opened up respectively there are three the first deep gouge 215, and annular fixture block 213 is embedded with fixation in cyclic annular prefabricated section 21
There is the first inner screw sheath 216 with 215 corresponding number of the first deep gouge, and the both ends of the first inner screw sheath 216 are heavy with first respectively
The slot bottom of the slot bottom of slot 215 and first annular card slot 214 flushes.When cyclic annular prefabricated section 21 is installed in superposition, neighbouring ring
The annular fixture block 213 and first annular card slot 214 of shape prefabricated section 21 are mutually clamped, and improve overall stability, and neighbouring
First inner screw sheath 216 of cyclic annular prefabricated section 21 is connected and fixed by the first bolt 217, and the first bolt 217 is arranged at intervals on
The first inner screw sheath 216 circumferentially, and the first bolt 217 of adjacent two layers is in being arranged in a staggered manner, while the head of the first bolt 217
Portion is in the first deep gouge 215.
Referring to Fig. 2 and Fig. 6,23 section of top plate is in waist type, and the outer ring of the vertical projection of top plate 23 and cyclic annular prefabricated section 21
It is identical.The side wall that top plate 23 is located at the two sides of its length direction offers the placing groove 231 being connected to its upper surface, top plate 23
Opposite two long sides of upper surface offer the second deep gouge 232, and 232 quantity of the second deep gouge in two long sides is respectively one and two
A, the first bolt 217 on the position of the second deep gouge 232 and the cyclic annular prefabricated section 21 of the top is staggered；It opens 23 lower surface of top plate
Equipped with the second annular slot 26 being clamped with annular fixture block 213, top plate 23 is embedded with and the first inner screw sheath 216 identical second
Inner screw sheath 233, the second inner screw sheath 233 are connected to the slot bottom of the slot bottom of the second annular slot 26 and second deep gouge 232.
Second inner screw sheath 233 of the first inner screw sheath 216 and the cyclic annular prefabricated section 21 of the top of top plate 23 passes through the second bolt 234
It is connected and fixed, while the head of the second bolt 234 is in the second deep gouge 232.
Referring to Fig. 2 and Fig. 7, position and be additionally provided with antidetonation component 24 in column casing 22, antidetonation component 24 include fixed ring 241,
Change 242, connector 243 place ring 244 and gravitation ball 245, fixed ring 241 be fixedly mounted on positioning 22 inner wall of column casing and
In level, 241 inner ring of fixed ring offers annular groove, and change 242 is rotatably arranged in annular groove, and in the rotation of change 242
The heart channel of Hang-Shaoyin crosses the axial direction of fixed ring 241；Connector 243 uses rope, and connector 243 has four, and one end of four connectors 243 is equal
Even interval is fixed in change 242, is placed ring 244 and is fixedly connected with the other end of four connectors 243, and four connectors
243 are evenly spaced on the circumferential direction for placing ring 244 with the tie point for placing ring 244.The diameter of gravitation ball 245, which is greater than, to be placed
The internal diameter of ring 244, gravitation ball 245, which is placed on, to be placed on ring 244, and gravitation ball 245, in hollow, the inside is perfused with a certain amount of liquid
Body, the present embodiment liquid use water.245 outer wall of gravitation ball also passes through connector 243 with the center of the lower surface of top plate 23
It is fixedly connected.Gravitation ball 245 plays the role of absorption energy, reduces shaking.
Referring to Fig. 8 and Fig. 9, truss-steel beam 3 includes girder steel support 31, girder steel support 32 and girder steel plate 33, and girder steel plate 33 includes steelframe
Frame 331.There are two girder steel support 32, two girder steel supports 32 to be integrally formed be arranged at both ends respectively for each 331 lower surface of steelframe frame；Steel
Corbel 31 is L-shaped, and long side is horizontal, and short side is vertical, and long side supports 32 lower ends far from short side one end and girder steel and is integrally formed connection.
Referring to Fig. 9,10 and Figure 11, offer on top plate 23 and in the slot bottom of placing groove 231 in vertical T-slot 235, T
Sliding is provided with section in I-shaped movable plate 236 on shape slot 235, and one side of movable plate 236 is moved in placing groove 231
Movable plate 236 is connected with elastomer block 238 by the 7th bolt 237 away from the slot bottom side of placing groove 231, and elastomer block 238 uses chlorine
Buna, the short side of girder steel support 31 are fixedly connected on elastomer block 238 by third bolt 27 and are moved away from 236 side of plate.Girder steel
31 following table face interval of support is fixedly installed two support bases 311, and support base 311 is equipped with rolling roller 312 by bar rotation；It puts
It sets 231 lower wall of slot and is spaced apart and set there are two the limiting slot 239 that be connected to 2 side wall of concrete pier where its notch, limit
The length direction of slot 239 is parallel with the length direction of girder steel plate 33, and support base 311 extends in limiting slot 239 and and limiting slot
239 sliding cooperations, limiting slot 239 are used to limit the movement routine of support base 311, that is, limit the movement routine of steelframe frame 331.Together
When, 231 lower wall of the placing groove gluing between two limiting slots 239 is connected to buffer layer 25, and buffer layer 25 uses butyl rubber,
Rolling roller 312 rolls on buffer layer 25.
Referring to Fig. 8, steelframe frame 331 is arranged in hollow out, and girder steel plate 33 further includes that six pieces of steel grating plates, 332, six pieces of dampings disappear
Sound-absorbing layer 333 and six pieces of precast rc slabs 334, six pieces of steel grating plates 332 are fixed on steelframe frame by the 4th bolt 335
On 331；Damping and silencing layer 333 uses damping sound insulation felt, and damping and silencing layer 333 is fixed on steel grating plate by the 5th bolt 336
On 332, and damping sound insulation felt uniform intervals offer through-hole, for divulging information；Precast rc slab 334 passes through the 6th bolt
337 are fixed on damping and silencing layer 333, and Nian Jie with damping and silencing layer 333.Between adjacent precast rc slab 334
Filled with connection glue 338, connection glue 338 is using the neutral weather-proof glass cement waterproof mildewproof sealant of Toshiba GE381 is used, by six pieces
Precast rc slab 334 connects integral.
Referring to Fig.1 1, the lower surface of one end close to each other of two steelframe frames 331 on same top plate 23 is fixedly installed respectively
Have in L-shaped male plug plate 34 and the L-shaped female plug plate 35 with slot 351, the slot 351 of female plug plate 35 is provided with its length
Bian Shang, the long side of female plug plate 35 and the long side of male plug plate 34 are mating.The short side phase of the short side of female plug plate 35 and male plug plate 34
Elastic component 36 is connected with to side, elastic component 36 uses EP rubbers, and elastic component 36 extends to two prefabricated reinforced concretes
It is adhesively fixed between plate 334 and with the opposite side of two precast rc slabs 334.
The construction technology of above-mentioned assembling type steel structure-concrete composite bridge the following steps are included:
S1, production precast rc slab 334, take template, frame reinforcing bar, casting concrete, blanks and moulding and conserving；Cyclic annular prefabricated section
21, it takes template, frame reinforcing bar, weld on the first inner screw sheath 216 to reinforcing bar, casting concrete, blanks and moulding and conserving, and have first to sink
Slot 215；Top plate 23 is taken template, frame reinforcing bar, is welded on the second inner screw sheath 233 to reinforcing bar, casting concrete, blanks and moulding and conserving, top
There is the second deep gouge 232, placing groove 231 and limiting slot 239 on plate 23；
S2, excavation pit are tied up on vertical basic muscle 11 to steel reinforcement cage if steel reinforcement cage, pour bridge foundation 1, blanks and moulding and conserving,
Basic muscle 11 protrudes from 1 upper surface of bridge foundation；
S3, positioning column casing 22 is sling and is installed on bridge foundation 1, and be inserted into basic muscle 11 in fixation hole 221, and pour
Gravitation ball 245 is poured into after liquid to be put into and be placed on ring 244 by concrete to fill up the remaining space of fixation hole 221；
The stud with the first inner screw sheath 216 cooperation on cyclic annular prefabricated section 21 is bound on the lifting rope of S4, again loop wheel machine, passes through stud
First cyclic annular prefabricated section 21 is sling in cooperation with the first inner screw sheath 216 to be set on positioning column casing 22, and relies on locating piece
212 are put on bridge foundation 1 with the sliding of locating slot 222 cooperation, and second cyclic annular prefabricated section 21 is then set to positioning column casing
On 22, also it is put on first cyclic annular prefabricated section 21 by the sliding cooperation of locating piece 212 and locating slot 222, simultaneously
Annular fixture block 213 and first annular card slot 214 are engaged by clamping, and then screw on the first spiral shell on first inner screw sheath 216 at interval
Bolt 217, by the first inner screw sheath of the first inner screw sheath 216 of second cyclic annular prefabricated section 21 and first ring-type prefabricated section 21
216 are connected and fixed, and injecting glue；First inner screw sheath 216 and the of second cyclic annular prefabricated section 21 is fixed with the first bolt 217 again
When the first inner screw sheath 216 of three cyclic annular prefabricated sections 21, it is staggered with the first bolt 217 on second cyclic annular prefabricated section 21 solid
It is fixed, cyclic annular prefabricated section 21 is successively installed in the same manner later, and with weather-proof anti-between adjacent cyclic annular prefabricated section 21
Watertight seal sealing, weather-proof waterproof seal sealing is using the neutral weather-proof glass cement waterproof mildewproof sealant of Toshiba GE381；
Top plate 23 is hung stud and the cooperation of the second inner screw sheath 233 onto the cyclic annular prefabricated section 21 of the top by S5, same method,
Gravitation ball 245 is connect with 23 lower surface of top plate by connector 243 before covering, is covered again after having connected, and annular
Fixture block 213 and the second annular slot 26 are engaged by clamping, then are connected on the cyclic annular prefabricated section 21 of the top with the second bolt 234,
And it is also sealed with weather-proof waterproof seal between cyclic annular prefabricated section 21 and top plate 23；
Buffer layer 25 is set on S6,231 lower wall of placing groove between two limiting slots 239, elastomer block 238 is installed to top
On plate 23, truss-steel beam 3 is set up onto adjacent top plate 23, and the male plug plate 34 of adjacent truss-steel beam 3 is matched with 35 grafting of female plug plate
It closes；Girder steel support 31 and elastomer block 238 are connected and fixed by the rolling roller 312 of truss-steel beam 3 on buffer layer 25, with third bolt 27,
And girder steel support 31 and elastomer block 238 are glued；
S7, array is laid with steel grating plate 332 on steelframe frame 331, and passes through the 4th bolt 335 for steel grating plate 332 and steel framework
Frame is fixed, and injecting glue；Damping and silencing layer 333 is routed on steel grating plate 332, and passes through the 5th bolt 336 for damping and silencing
Layer 333 is fixed with steel grating plate 332；Precast rc slab 334 is laid on damping and silencing layer 333, and passes through the 6th
Bolt 337 is fixed by damping and silencing layer 333 and precast rc slab 334, and in adjacent precast rc slab 334
Opposite side wall between pour connection glue 338；
S8, elastic component 36 is installed in the space that male plug plate 34 and female plug plate 35 are formed, and elastic component 36 extends to two steelframes
It between frame 331, and extends to upper end and is flushed with precast rc slab 334, while elastic component 36 reaches two pre-manufactured steels
The opposite side of two sides and two precast rc slabs 334 between reinforced concrete plate 334 is glued.
The working principle of the present embodiment:
It is out-of-date that vehicle is opened, and damping and silencing layer 333 and buffer layer 25 play buffer function, and movable block sliding reduces vibration and noise.
When expanding with heat and contract with cold, 35 Relative sliding of male plug plate 34 and female plug plate, elastic component 36 is stretched or compressed, and rolling roller 312 rolls, elasticity
Block 238 is also stretched or compressed.
When shaking larger or earthquake, elastomer block 238, elastic component 36, male plug plate 34 and female plug plate 35 and gravitation ball
Cooperation between 245 can substantially reduce the vibration and shaking of steel frame.
When being needed replacing when steel grating plate 332, damping and silencing layer 333 and precast rc slab 334 have damage, tear open
Except corresponding broken parts.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of assembling type steel structure-concrete composite bridge, including concrete pier (2) and setting are in the concrete pier
(2) truss-steel beam (3) on, the side wall that the concrete pier (2) is located at the two sides of the truss-steel beam (3) width direction open up
The placing groove (231) for having and being connected at the top of the concrete pier (2), the truss-steel beam (3) includes that rolling slip is put described
It sets the girder steel support (31) of slot (231), the girder steel being mounted on the girder steel support (31) support (32), setting and supports (32) in the girder steel
It far from described girder steel support (31) one end and is in horizontal girder steel plate (33), the slot bottom of the placing groove (231) is connected with elastomer block
(238), the elastomer block (238) connect with the girder steel support (31)；
The lower surface of the two girder steel plate (33) one end close to each other on the same concrete pier (2) is respectively arranged with
In in L-shaped male plug plate (34) and the L-shaped female plug plate (35) with slot (351), and the long side of the female plug plate (35)
Mating with the long side of the male plug plate (34), the short side of the female plug plate (35) is opposite with the short side of the male plug plate (34)
Side is connected with elastic component (36), and the elastic component (36) extend between two girder steel plates (33) and with described in two
The connection of girder steel plate (33) opposite side.
2. a kind of assembling type steel structure-concrete composite bridge according to claim 1, it is characterised in that: the girder steel
Support (31) lower surface is provided with support base (311), and the support base (311) is equipped with rolling roller (312), institute by bar rotation
It states placing groove (231) lower wall and is spaced apart the limit that the concrete pier (2) side wall there are two set where with its notch is connected to
Position slot (239), the length direction of the limiting slot (239) is parallel with the length direction of the girder steel plate (33), and the support
Seat (311), which is extended in the limiting slot (239) and slid with the limiting slot (239), to be cooperated.
3. a kind of assembling type steel structure-concrete composite bridge according to claim 2, it is characterised in that: the placement
The slot bottom of slot (231), which vertically slides, to be provided with movable plate (236), and the elastomer block (238) is fixed at the movable plate
(236) deviate from the slot bottom side of the placing groove (231)；Under the placing groove (231) between two limiting slots (239)
It is provided on side wall buffer layer (25), the rolling roller (312) rolls on the buffer layer (25).
4. a kind of assembling type steel structure-concrete composite bridge according to claim 2, it is characterised in that: the coagulation
Native bridge pier (2) include muti-piece be vertically superposed cyclic annular prefabricated section (21), pass through all cyclic annular prefabricated sections (21) and with
The ring-type prefabricated section (21), which slides, to be clamped and is the positioning column casing (22) of steel, the cyclic annular prefabricated section that the top is arranged in
(21) top plate (23) covered on and by positioning column casing (22), the upper and lower surfaces point of the ring-type prefabricated section (21)
Be not provided with the annular fixture block (213) and first annular card slot (214) being mutually clamped, top plate (23) lower surface offer with
The second annular slot (26) that the annular fixture block (213) is engaged by clamping；It is provided with and its inner wall in the positioning column casing (22)
Connection and the antidetonation component (24) connecting with the top plate (23), positioning column casing (22) lower end are circumferentially offered in vertical
Multiple perforations fixation hole (221)；The placing groove (231), limiting slot (239) are provided on the top plate (23), and institute
Truss-steel beam (3) are stated to be arranged on the top plate (23).
5. a kind of assembling type steel structure-concrete composite bridge according to claim 4, it is characterised in that: the annular
Opposite two long sides of fixture block (213) upper surface offer at least three the first deep gouge (215), the annular fixture block (213)
With cyclic annular interior first inner screw sheath (216) being embedded with the first deep gouge (215) corresponding number of prefabricated section (21), institute
State the both ends of the first inner screw sheath (216) respectively with the slot bottom and the first annular card slot (214) of first deep gouge (215)
Slot bottom flush, the first inner screw sheath (216) of the adjacent cyclic annular prefabricated section (21) by the first bolt (217) connection, and
The head of first bolt (217) is in first deep gouge (215)；It is opened along opposite two long sides top plate (23) upper surface
Equipped with total quantity be the first deep gouge (215) quantity half the second deep gouge (232), the top plate (23) be embedded with it is described
Identical second inner screw sheath (233) of first inner screw sheath (216), second inner screw sheath (233) and the top plate (23)
Lower surface be connected to the slot bottom of second deep gouge (232), the second inner screw sheath (233) of the top plate (23) and the ring
The first inner screw sheath (216) of shape prefabricated section (21) is connected by the second bolt (234), and second bolt (234) is in institute
It states in the second deep gouge (232).
6. a kind of assembling type steel structure-concrete composite bridge according to claim 4, it is characterised in that: the ring-type
Prefabricated section (21) is embedded with the connection ring (211) of the L-shaped steel in section, and the long side of the connection ring (211) is connected to described
The interior ring-side wall of cyclic annular prefabricated section (21), the short side of the connection ring (211) are embedded in the cyclic annular prefabricated section (21) close to interior
The lower surface of ring；Connection ring (211) inner ring is provided with locating piece (212), and positioning column casing (22) outer wall is vertically opened
Equipped with the locating slot (222) with the locating piece (212) sliding cooperation.
7. a kind of assembling type steel structure-concrete composite bridge according to claim 4, it is characterised in that: the antidetonation
Component (24) include be mounted on described positioning column casing (22) inner wall and in horizontal fixed ring (241), be rotatably arranged on described in
Change (242), at least three uniform intervals in fixed ring (241) be connected to connector (243) on the change (242),
Connect with all connectors (243) and with the coaxial placement ring (244) of positioning column casing (22), be placed on the placement
The gravitation ball (245) being connect on ring (244) and also by connector (243) with the top plate (23), and the gravitation ball (245)
In hollow shape and it is perfused with a certain amount of liquid.
8. a kind of assembling type steel structure-concrete composite bridge according to claim 1, it is characterised in that: the girder steel
Plate (33) includes the steelframe frame (331) being arranged in girder steel support (32), spells the muti-piece steel being located on the steelframe frame (331)
Flase floor (332), the damping and silencing layer for being laid on the steel grating plate (332) and being connect with the steel grating plate (332)
(333), the prefabricated reinforced concrete for being arranged on the damping and silencing layer (333) and being connect with the damping and silencing layer (333)
Plate (334), the damping and silencing layer (333) offers through-hole, and is arranged between the adjacent precast rc slab (334)
There are connection glue (338)；The male plug plate (34) and the female plug plate (35) are separately positioned under the adjacent steelframe frame (331)
Surface, and the elastic component (36) is connected to the precast reinforced coagulation close to each other on the adjacent steelframe frame (331)
The opposite side of native plate (334).
9. a kind of construction method of assembling type steel structure-concrete composite bridge, based on as described in any one of claim 1-8
Assembling type steel structure-concrete composite bridge, it is characterised in that: the following steps are included:
S1, production precast rc slab (334), take template, frame reinforcing bar, casting concrete, blanks and moulding and conserving；Cyclic annular prefabricated section
(21), take template, frame reinforcing bar, in welding the first inner screw sheath (216) to reinforcing bar, casting concrete, blanks and moulding and conserving, and have the
One deep gouge (215)；Top plate (23), take template, frame reinforcing bar, welding the second inner screw sheath (233) to reinforcing bar on, casting concrete,
Blanks and moulding and conserving has the second deep gouge (232), placing groove (231) and limiting slot (239) on top plate (23)；
S2, excavation pit are tied up on vertical basic muscle (11) to steel reinforcement cage, are poured bridge foundation (1) if steel reinforcement cage, molding
Maintenance, basic muscle (11) protrude from bridge foundation (1) upper surface；
S3, positioning column casing (22) is sling and is installed on bridge foundation (1), and basic muscle (11) is made to be inserted into fixation hole (221)
In, and gravitation ball (245) is poured into after liquid to fill up the remaining spaces of fixation hole (221) and is put into placement by casting concrete
On ring (244)；
The stud with the first inner screw sheath (216) cooperation on cyclic annular prefabricated section (21) is bound on the lifting rope of S4, again loop wheel machine, is passed through
First cyclic annular prefabricated section (21) is sling and is set in positioning column casing (22) by the cooperation of stud and the first inner screw sheath (216), and
It is put on bridge foundation (1) by the sliding cooperation of locating piece (212) and locating slot (222), it is then that second ring-type is prefabricated
Block (21) is set in positioning column casing (22), is also put into the by the sliding cooperation of locating piece (212) and locating slot (222)
On one cyclic annular prefabricated section (21), while annular fixture block (213) and first annular card slot (214) are engaged by clamping, and are then being spaced
The first inner screw sheath (216) on screw on the first bolt (217), by the first inner screw sheath of second cyclic annular prefabricated section (21)
(216) the first inner screw sheath (216) with first cyclic annular prefabricated section (21) is connected and fixed, and injecting glue；Again with the first bolt
(217) fix second cyclic annular prefabricated section (21) the first inner screw sheath (216) and third ring-type prefabricated section (21) first
When inner screw sheath (216), it is staggered fixation with the first bolt (217) on second cyclic annular prefabricated section (21), later according to identical
Method cyclic annular prefabricated section (21) is successively installed, and it is close with weather-proof waterproof seal between adjacent cyclic annular prefabricated section (21)
Envelope；
Top plate (23) is hung the cyclic annular prefabricated section to the top by S5, same method by stud and the second inner screw sheath (233) cooperation
(21) on, gravitation ball (245) is connect with top plate (23) lower surface by connector (243) before covering, after having connected
It covers, and annular fixture block (213) and the second annular slot (26) clamping engagement, then is connected to the second bolt (234) most upper again
On the cyclic annular prefabricated section (21) of side, and also sealed with weather-proof waterproof seal between cyclic annular prefabricated section (21) and top plate (23)；
Buffer layer (25) are set on S6, placing groove (231) lower wall between two limiting slots (239), by elastomer block (238)
It is installed on top plate (23), truss-steel beam (3) is set up onto adjacent top plate (23), and the male plug plate of adjacent truss-steel beam (3)
(34) mating with female plug plate (35)；The rolling roller (312) of truss-steel beam (3) is on buffer layer (25), with third bolt (27)
Girder steel support (31) and elastomer block (238) are connected and fixed, and girder steel support (31) and elastomer block (238) are glued；
S7, array is laid with steel grating plate (332) on steelframe frame (331), and passes through the 4th bolt (335) for steel grating plate
(332) it is fixed with steel frame, and injecting glue；Damping and silencing layer (333) is routed on steel grating plate (332), and passes through the 5th spiral shell
Bolt (336) is fixed by damping and silencing layer (333) and steel grating plate (332)；Precast rc slab (334) is laid on damping
In noise reduction layer (333), and it is by the 6th bolt (337) that damping and silencing layer (333) and precast rc slab (334) are solid
It is fixed, and connection glue (338) is poured between the opposite side wall of adjacent precast rc slab (334)；
S8, elastic component (36) is installed in the space that male plug plate (34) and female plug plate (35) are formed, and elastic component (36) extends to
Between two steelframe frames (331), and extends to upper end and flushed with precast rc slab (334), while elastic component (36)
Reach the two sides between two precast rc slabs (334) and the opposite side of two precast rc slabs (334)
It is glued.
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| CN110396919B (en) | 2021-02-09 |
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