CN111501514B - Assembled bridge capable of effectively absorbing shock - Google Patents
Assembled bridge capable of effectively absorbing shock Download PDFInfo
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- CN111501514B CN111501514B CN202010364144.0A CN202010364144A CN111501514B CN 111501514 B CN111501514 B CN 111501514B CN 202010364144 A CN202010364144 A CN 202010364144A CN 111501514 B CN111501514 B CN 111501514B
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- 230000035939 shock Effects 0.000 title claims abstract description 20
- 238000013016 damping Methods 0.000 claims abstract description 71
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 31
- 239000010959 steel Substances 0.000 claims abstract description 31
- 238000006073 displacement reaction Methods 0.000 claims description 51
- 239000007788 liquid Substances 0.000 claims description 18
- 238000001125 extrusion Methods 0.000 claims description 15
- 238000010521 absorption reaction Methods 0.000 claims description 11
- 238000002347 injection Methods 0.000 claims description 11
- 239000007924 injection Substances 0.000 claims description 11
- 229910000639 Spring steel Inorganic materials 0.000 claims description 10
- 238000005192 partition Methods 0.000 claims description 9
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 7
- 230000021715 photosynthesis, light harvesting Effects 0.000 claims description 6
- 239000002893 slag Substances 0.000 claims description 6
- 230000003111 delayed effect Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 6
- 238000005265 energy consumption Methods 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 4
- 230000004308 accommodation Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D1/00—Bridges in general
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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
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to the technical field of bridges, and particularly discloses an assembly type bridge capable of effectively absorbing shock, which comprises a first main beam, a second main beam and a cover beam supported below the first main beam and the second main beam, wherein one side, opposite to the second main beam, of the first main beam is connected with a damping device, the upper surface of the cover beam is provided with a limit groove for accommodating the first main beam and the second main beam, the bottoms of the first main beam and the second main beam are respectively and fixedly provided with a steel plate base, and the steel plate bases can be transversely and slidably arranged in the limit groove. The device can avoid the hard contact of the bent cap or the adjacent main beam in the earthquake occurrence process, thereby protecting the main body structure of the main beam and relieving traffic pressure.
Description
Technical Field
The invention relates to the technical field of bridges, and particularly discloses an assembly type bridge capable of effectively damping.
Background
The bridge is generally a structure which is erected on rivers, lakes and seas and allows vehicles, pedestrians and the like to smoothly pass through. In order to adapt to the modern high-speed developed traffic industry, bridges are also extended to be constructed to span mountain stream, unfavorable geology or meet other traffic needs, so that the buildings are convenient to pass. The bridge generally comprises an upper structure, a lower structure, a support and an auxiliary structure, wherein the upper structure is also called a bridge span structure and is a main structure for spanning obstacles, and comprises a main beam and the like; the lower structure comprises a bridge abutment, a bridge pier and a foundation; the support is a force transmission device arranged at the supporting positions of the bridge span structure and the bridge pier or the bridge abutment; the auxiliary structures refer to bridge end butt straps, tapered revetments, diversion works and the like.
In order to meet the requirements of on-site construction, a bridge is often formed by a plurality of main beams in parallel, a certain telescopic gap is reserved between every two adjacent main beams, but when an earthquake occurs, the structure easily causes the transverse displacement of the main beams, and the main beams are in hard contact with a cover beam or the adjacent main beams, so that the main beams are damaged, and the use of the bridge is influenced. Therefore, it is highly desirable to provide an assembled bridge that can effectively damp vibrations, while avoiding the above-mentioned problems.
Disclosure of Invention
In view of this, the present invention provides an assembled bridge capable of effectively absorbing shock, which can prevent hard contact between a capping beam and an adjacent main beam during an earthquake, thereby protecting the main structure of the main beam and relieving traffic pressure.
In order to achieve the purpose, the invention provides the following technical scheme:
an assembly type bridge capable of effectively absorbing shock comprises a first main beam, a second main beam and a cover beam supported below the first main beam and the second main beam, wherein one side of the first main beam opposite to the second main beam is connected with a damping device, the upper surface of the cover beam forms a limit groove for accommodating the first main beam and the second main beam, the bottoms of the first main beam and the second main beam are fixedly provided with a steel plate base, the first main beam and the second main beam are respectively and fixedly arranged at the inner side of the steel plate base, the steel plate base can be arranged in the limit groove in a transverse sliding manner, the bottom of the limit groove is provided with a bottom groove, the bottom of the steel plate base is fixedly provided with a first baffle and a second baffle, a damping cavity and two piston displacement cavities are arranged inside the cover beam, the two piston displacement cavities are arranged at two ends of the damping cavity and are communicated with the damping cavity, the damping device is characterized in that a piston and a partition plate device are arranged in the piston displacement cavity, damping liquid is filled in the damping cavity, the first baffle is connected with a guide rod, the guide rod penetrates through the side wall of the bottom groove and is connected with the piston, when the first main beam and the second main beam move relatively, the first baffle drives the piston to slide in the piston displacement cavity, and the piston extrudes the damping liquid to the partition plate device to achieve energy dissipation and shock absorption.
Further, the baffle device includes closing cap board, well core rod and at least three-layer extrusion baffle, three-layer extrusion baffle is separated by and is set up well core rod's one end, well core rod's the other end is connected to closing cap board and extending to the outside of bent cap, closing cap board be used for with the piston displacement chamber is sealed, the through-hole has been seted up on the extrusion baffle, and the through-hole on two adjacent extrusion baffles sets up in the past.
Furthermore, the damping cavity is communicated with a damping liquid injection cavity, the damping liquid injection cavity is vertically arranged in the middle of the damping cavity, a damping liquid injection port communicated with the damping liquid injection cavity is arranged in the bottom groove, a sinking groove is formed in the damping liquid injection port, and an end cover is connected with the sinking groove in an internal thread mode.
Furthermore, the assembled bridge further comprises a controller, a displacement sensor and a hydraulic cylinder, wherein one end of the displacement sensor is fixedly connected with the cover beam, the other end of the displacement sensor is connected with the first baffle plate and used for measuring the displacement of the first baffle plate, the hydraulic cylinder is fixedly connected to the cover beam, the output end of the hydraulic cylinder is connected to the second baffle plate, the original position of the first baffle plate or the original position of the second baffle plate are recorded in the controller, the displacement sensor measures the displacement condition of the first baffle plate and converts the displacement condition into a digital signal for outputting, and the controller controls the hydraulic cylinder to act in a delayed mode, so that the second baffle plate is controlled to move and recover to the original position.
Further, first girder and second girder pass through bolted connection with the steel sheet base respectively, a holding tank has all been seted up to the bottom of first girder and second girder, be provided with an elastic support device in the holding tank.
Further, the elastic supporting device is formed by stacking a plurality of spring steel plates from bottom to top in sequence, the cross-sectional shape of the accommodating groove is the same as the shape of each spring steel plate, and the thickness of each spring steel plate is 0.5-2.5 cm.
Furthermore, damping device includes first anchor head, second anchor head and memory alloy splice bar, the both ends of memory alloy splice bar respectively with first anchor head and second anchor head fixed connection, first anchor head and second anchor head are pre-buried respectively in first girder and the second girder.
Further, the inner walls of the two sides of the limiting groove are fixedly provided with protective pads, the protective pads are rubber protective pads, the root of the limiting groove is provided with a slag discharge channel, and the slag discharge channel is guided to one side of the cover beam from the bottom of the limiting groove.
Further, the steel plate base comprises a plurality of U-shaped supporting bases, and the U-shaped supporting bases are arranged at the bottom of the first main beam or the bottom of the second main beam in parallel at intervals.
The working principle and the beneficial effects of the scheme are as follows:
the assembled bridge capable of effectively absorbing shock comprises a first main beam, a second main beam and a capping beam supported below the first main beam and the second main beam, wherein one side of the first main beam opposite to the second main beam is connected with a damping device, and when the first main beam and the second main beam generate relative displacement, the damping device starts to work to block the relative movement of the first main beam and the second main beam and simultaneously perform energy dissipation and shock absorption. The bottom of first girder and second girder is all fixed and is provided with a steel sheet base, and through setting up steel sheet base, steel sheet base plays the effect of cushion for separate first girder, second girder and bent cap, prevent that the influence that direct contact between the three leads to from destroying, can also improve the support performance of bent cap.
According to the invention, the cover beam is internally provided with the damping cavity and the two piston displacement cavities, the two piston displacement cavities are positioned at two ends of the damping cavity and are communicated with the damping cavity, when the first main beam and the second main beam move relatively, the first baffle plate drives the piston to slide in the piston displacement cavity, the piston extrudes damping liquid to the partition plate device to realize energy consumption and shock absorption, further energy consumption and shock absorption are realized, the transverse displacement of the main beam is effectively limited, and the stability of the bridge is improved.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
FIG. 1 is a schematic structural view of a bridge according to the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is an enlarged view of FIG. 1 at B;
FIG. 4 is a schematic structural view of the damping device of the present invention;
FIG. 5 is a schematic view of the connection of the steel plate base of the present invention;
FIG. 6 is a schematic structural diagram of a steel plate base according to the present invention.
The drawings are numbered as follows: the device comprises a first main beam 1, a second main beam 2, a bent cap 3, a damping device 4, a first anchor head 41, a second anchor head 42, a memory alloy connecting rib 43, a limiting groove 5, a steel plate base 6, a U-shaped support base 61, a bottom groove 7, a first baffle 8, a second baffle 9, a damping cavity 10, a piston displacement cavity 11, a piston 12, a partition plate device 13, a cover sealing plate 131, a central rod 132, an extrusion partition plate 133, a through hole 134, a guide rod 14, a damping liquid injection cavity 15, an end cover 16, a displacement sensor 17, a hydraulic cylinder 18, an accommodating groove 19, an elastic supporting device 20, a spring steel plate 201, a protective pad 21 and a slag discharge channel 22.
Detailed Description
The following is further detailed by way of specific embodiments:
in an embodiment, the assembly type bridge capable of effectively absorbing shock comprises a first main beam 1, a second main beam 2 and a cover beam 3 supported below the first main beam 1 and the second main beam 2, wherein a damping device 4 is connected to one side of the first main beam 1 opposite to the second main beam 2, a limiting groove 5 for accommodating the first main beam 1 and the second main beam 2 is formed on the upper surface of the cover beam 3, a steel plate base 6 is fixedly arranged at the bottom of each of the first main beam 1 and the second main beam 2, the first main beam 1 and the second main beam 2 are respectively and fixedly arranged at the inner side of the steel plate base 6, the steel plate base 6 is transversely and slidably arranged in the limiting groove 5, a bottom groove 7 is formed at the bottom of the limiting groove 5, a first baffle 8 and a second baffle 9 are fixedly arranged at the bottom of the steel plate base 6, a damping cavity 10 and two piston displacement cavities 11 are formed in the cover beam 3, two piston displacement chamber 11 are located the both ends of damping chamber 10 and all with damping chamber 10 intercommunication, be provided with piston 12 and baffle device 13 in the piston displacement chamber 11, damping chamber 10 intussuseption is filled with damping fluid, first baffle 8 is through being connected with a guide arm 14, guide arm 14 passes the lateral wall of kerve 7 and with piston 12 is connected, takes place relative movement when first girder 1 and second girder 2, first baffle 8 drives piston 12 is in slide in the piston displacement chamber 11, piston 12 extrudees damping fluid extremely baffle device 13 realizes the power consumption shock attenuation.
The invention discloses an assembly type bridge capable of effectively absorbing shock, which comprises a first main beam 1, a second main beam 2 and a cover beam 3 supported below the first main beam 1 and the second main beam 2, wherein one side of the first main beam 1 opposite to the second main beam 2 is connected with a damping device 4, and when the first main beam 1 and the second main beam 2 generate relative displacement, the damping device 4 starts to work to block the relative movement of the first main beam 1 and the second main beam and simultaneously perform energy dissipation and shock absorption. The bottom of first girder 1 and second girder 2 is all fixed and is provided with a steel sheet base 6, and through setting up steel sheet base 6, steel sheet base 6 plays the effect of cushion for separate first girder 1, second girder 2 and bent cap 3, prevent that the influence that direct contact between the three leads to from destroying, can also improve the support performance of bent cap 3.
According to the invention, the cover beam 3 is internally provided with the damping cavity 10 and the two piston displacement cavities 11, the two piston displacement cavities 11 are positioned at two ends of the damping cavity 10 and are communicated with the damping cavity 10, when the first main beam 1 and the second main beam 2 move relatively, the first baffle plate 8 drives the piston 12 to slide in the piston displacement cavity 11, and the piston 12 extrudes damping liquid to the partition plate device 13 to realize energy dissipation and shock absorption, so that the energy dissipation and shock absorption are further realized, the transverse displacement of the main beams is effectively limited, and the stability of the bridge is improved.
In this embodiment, the baffle device 13 includes the closing cap board 131, well core rod 132 and at least three-layer extrusion baffle 133, three-layer extrusion baffle 133 is separated by the setting and is in well core rod 132's one end, and the distance of adjacent two-layer extrusion baffle 133 is 5cm ~ 10cm, well core rod 132's the other end is connected to closing cap board 131 just extends to the outside of bent cap 3, closing cap board 131 be used for with piston displacement chamber 11 is sealed, can adopt screw thread to dismantle between closing cap board 131 and the piston displacement chamber 11 and be connected, also can seal through installing relevant sealing washer additional, the through-hole 134 has been seted up on the extrusion baffle 133, and the crisscross setting of through-hole 134 on two adjacent extrusion baffles 133 can further improve damping effect. According to the energy consumption and shock absorption principle of the invention, after the first main beam 1 and the second main beam 2 are relatively displaced, the damping device 4 acts to perform part of energy consumption and shock absorption, the first baffle plate 8 can drive the piston 12 to slide in the piston displacement cavity 11, the piston 12 presses the damper into one side of the partition plate device 13, damping liquid sequentially flows out of the through holes 134 of the three layers of extrusion partition plates 133, and in the flowing process, the first baffle plate 8 is resisted from displacing, so that the purposes of energy consumption and shock absorption are achieved.
In this embodiment, damping chamber 10 intercommunication has a damping fluid to pour into chamber 15 into, damping fluid pours into the vertical setting in chamber 15 into the middle part of damping chamber 10, be provided with in the kerve 7 with the damping fluid inlet of pouring into chamber 15 intercommunication of damping fluid, set up a heavy groove in the damping fluid inlet, heavy groove female connection has an end cover 16, pours into chamber 15 into through setting up the damping fluid and can add the damping fluid into the inside, prevents that the loss of damping fluid from causing the reduction of device performance, through threaded connection end cover 16, and screw in or screw out end cover 16 can adjust the pressure of damping fluid to can adjust damped rigidity to a certain extent, make it suit with actual need.
In this embodiment, the fabricated bridge further includes a controller, a displacement sensor 17 and a hydraulic cylinder 18, one end of the displacement sensor 17 is fixedly connected with the bent cap 3, the other end of the displacement sensor 17 is connected with the first baffle plate 8 and is used for measuring the displacement of the first baffle plate 8, the hydraulic cylinder 18 is fixedly connected to the cap beam 3, the output end of the hydraulic cylinder 18 is connected to the second baffle 9, the original position of the first baffle plate 8 or the second baffle plate 9 is recorded in the controller, the displacement sensor 17 measures the displacement condition of the first baffle plate 8, the displacement condition is converted into a digital signal to be output, the controller controls the action of the hydraulic cylinder 18 in a delayed mode, thereby control second baffle 9 and remove and resume to the home position, resume through this device, can reach reuse's effect to the gesture of preparing meets the aftershock, and the antidetonation effect is better.
In this embodiment, first girder 1 and second girder 2 pass through bolted connection with steel sheet base 6 respectively, an accommodation tank 19 has all been seted up to the bottom of first girder 1 and second girder 2, be provided with an elastic support device in the accommodation tank 19. The elastic supporting device is formed by sequentially stacking a plurality of spring steel plates 201 from bottom to top, the cross-sectional shape of the accommodating groove 19 is the same as the shape of the spring steel plates 201, the thickness of each spring steel plate 201 is 0.5-2.5 cm, and a certain pretightening force is formed between one main beam and the steel plate base 6 and between the second main beam 2 and the steel plate base 6 by arranging the elastic supporting device, so that the connection strength between the two main beams is improved, the possibility of looseness can be reduced, and the stability of the device is improved.
In this embodiment, the damping device 4 includes a first anchor head 41, a second anchor head 42 and a memory alloy connecting rib 43, two ends of the memory alloy connecting rib 43 are respectively and fixedly connected with the first anchor head 41 and the second anchor head 42, and the first anchor head 41 and the second anchor head 42 are respectively embedded in the first main beam 1 and the second main beam 2.
In this embodiment, the inner walls of the two sides of the limiting groove 5 are fixedly provided with a protection pad 21, the protection pad 21 is a rubber protection pad 21, the root of the limiting groove 5 is provided with a slag discharge channel 22, and the slag discharge channel 22 is guided to one side of the bent cap 3 from the bottom of the limiting groove 5. The steel plate base 6 comprises a plurality of U-shaped supporting bases 61, and the U-shaped supporting bases 61 are arranged at the bottom of the first main beam 1 or the bottom of the second main beam 2 in parallel at intervals and can be used for supporting better.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the present invention.
Claims (9)
1. The utility model provides a but effective absorbing assembled bridge which characterized in that: comprises a first main beam, a second main beam and a cover beam supported below the first main beam and the second main beam, wherein one side of the first main beam opposite to the second main beam is connected with a damping device, a limit groove for accommodating the first main beam and the second main beam is formed on the upper surface of the cover beam, a steel plate base is fixedly arranged at the bottom of the first main beam and the bottom of the second main beam, the first main beam and the second main beam are respectively and fixedly arranged at the inner side of the steel plate base, the steel plate base can be arranged in the limit groove along the transverse sliding way, a bottom groove is arranged at the bottom of the limit groove, a first baffle and a second baffle are fixedly arranged at the bottom of the steel plate base, a damping cavity and two piston displacement cavities are arranged inside the cover beam, the two piston displacement cavities are arranged at the two ends of the damping cavity and are communicated with the damping cavity, and a piston and a clapboard device are arranged in the piston displacement cavities, the damping cavity is filled with damping liquid, the first baffle is connected with a guide rod, the guide rod penetrates through the side wall of the bottom groove and is connected with the piston, when the first main beam and the second main beam move relatively, the first baffle drives the piston to slide in the piston displacement cavity, and the piston extrudes the damping liquid to the partition plate device to achieve energy dissipation and shock absorption.
2. The effectively shock-absorbing fabricated bridge according to claim 1, wherein: the baffle device is including closing cap board, well core rod and at least three-layer extrusion baffle, three-layer extrusion baffle is separated by and sets up well core rod's one end, well core rod's the other end is connected to closing cap board just extends to the outside of bent cap, closing cap board be used for with the piston displacement chamber is sealed, the through-hole has been seted up on the extrusion baffle, and the through-hole on the two adjacent extrusion baffles sets up in the past.
3. The effectively shock-absorbing fabricated bridge according to claim 2, wherein: the damping cavity is communicated with a damping liquid injection cavity, the damping liquid injection cavity is vertically arranged in the middle of the damping cavity, a damping liquid injection port communicated with the damping liquid injection cavity is formed in the bottom groove, a sinking groove is formed in the damping liquid injection port, and an end cover is connected to the sinking groove in an internal thread mode.
4. The effectively shock-absorbing fabricated bridge according to claim 3, wherein: the assembled bridge further comprises a controller, a displacement sensor and a hydraulic cylinder, one end of the displacement sensor is fixedly connected with the cover beam, the other end of the displacement sensor is connected with the first baffle and used for measuring the displacement of the first baffle, the hydraulic cylinder is fixedly connected to the cover beam, the output end of the hydraulic cylinder is connected to the second baffle, the original position of the first baffle or the original position of the second baffle are recorded in the controller, the displacement sensor measures the displacement condition of the first baffle and converts the displacement condition into a digital signal to be output, and the controller controls the hydraulic cylinder to act in a delayed mode, so that the second baffle is controlled to move and recover to the original position.
5. The effectively shock-absorbing fabricated bridge according to claim 1, wherein: the first main beam and the second main beam are respectively connected with the steel plate base through bolts, a containing groove is formed in the bottom of the first main beam and the bottom of the second main beam, and an elastic supporting device is arranged in the containing groove.
6. The effectively shock-absorbing fabricated bridge according to claim 5, wherein: elastic support device is stacked formation in proper order from supreme down by a plurality of spring steel sheet, the cross sectional shape of holding tank with spring steel sheet's appearance is the same, and each spring steel sheet thickness is 0.5 ~ 2.5 cm.
7. The effectively shock-absorbing fabricated bridge according to claim 1, wherein: damping device includes first anchor head, second anchor head and memory alloy splice bar, the both ends of memory alloy splice bar respectively with first anchor head and second anchor head fixed connection, first anchor head and second anchor head are pre-buried respectively in first girder and the second girder.
8. The effectively shock-absorbing fabricated bridge according to claim 1, wherein: protection pads are fixedly arranged on the inner walls of the two sides of the limiting groove and are rubber protection pads, a slag discharge channel is formed in the root of the limiting groove and is guided to one side of the cover beam from the bottom of the limiting groove.
9. The effectively shock-absorbing fabricated bridge according to claim 1, wherein: the steel plate base comprises a plurality of U-shaped supporting bases, and the U-shaped supporting bases are arranged at the bottom of the first main beam or the bottom of the second main beam in parallel at intervals.
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| CN202010364144.0A CN111501514B (en) | 2020-04-30 | 2020-04-30 | Assembled bridge capable of effectively absorbing shock |
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| CN202010364144.0A CN111501514B (en) | 2020-04-30 | 2020-04-30 | Assembled bridge capable of effectively absorbing shock |
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| CN112681108A (en) * | 2020-12-31 | 2021-04-20 | 徐智勇 | Assembled bridge |
| CN113187116B (en) * | 2021-04-27 | 2023-02-14 | 重庆永昂实业有限公司 | Automatic energy dissipation and shock absorption structure of overhead single-column station |
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| CN206467556U (en) * | 2017-02-16 | 2017-09-05 | 西南交通大学 | A kind of spring-rubber damping device with multistage function of seismic resistance |
| CN207512621U (en) * | 2017-11-28 | 2018-06-19 | 合肥市市政设计研究总院有限公司 | Minor radius continuous bridge replacing time device |
| CN110952437A (en) * | 2019-12-05 | 2020-04-03 | 重庆交通大学 | Electromagnetic type antidetonation prevents roof beam device that falls suitable for bridge structures |
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| CN111501514A (en) | 2020-08-07 |
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Denomination of invention: A prefabricated bridge that can effectively reduce vibration Effective date of registration: 20230919 Granted publication date: 20210806 Pledgee: Shandong Weishan Rural Commercial Bank Co.,Ltd. Pledgor: Jining Jinhong prefabricated building technology Co.,Ltd. Registration number: Y2023110000395 |
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Denomination of invention: A prefabricated bridge that can effectively reduce vibration Effective date of registration: 20231019 Granted publication date: 20210806 Pledgee: Shandong Weishan Rural Commercial Bank Co.,Ltd. Pledgor: Jining Jinhong prefabricated building technology Co.,Ltd. Registration number: Y2023980062061 |