CN114808655B - Soft foundation area view decoration arch combination bridge structure - Google Patents
Soft foundation area view decoration arch combination bridge structure Download PDFInfo
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- CN114808655B CN114808655B CN202210359429.4A CN202210359429A CN114808655B CN 114808655 B CN114808655 B CN 114808655B CN 202210359429 A CN202210359429 A CN 202210359429A CN 114808655 B CN114808655 B CN 114808655B
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- 238000005034 decoration Methods 0.000 title claims abstract description 56
- 230000007246 mechanism Effects 0.000 claims abstract description 59
- 238000013016 damping Methods 0.000 claims abstract description 13
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 7
- 230000002265 prevention Effects 0.000 claims abstract 2
- 239000002689 soil Substances 0.000 claims description 14
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000001788 irregular Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 210000000959 ear middle Anatomy 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
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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
- E01D4/00—Arch-type bridges
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
- E02D27/14—Pile framings, i.e. piles assembled to form the substructure
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
- E02D27/16—Foundations formed of separate piles
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Architecture (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Agronomy & Crop Science (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Sciences (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to a combined bridge structure of a landscape decoration arch in a soft foundation area, wherein the tops of a plurality of pile group foundations in a supporting mechanism are provided with a same bearing platform, the tops of supporting beams are poured on the upper surfaces of the bearing platforms, a plurality of supports are fixedly connected to the tops of the supporting beams, two clamping grooves are formed in the upper surfaces of the supporting beams, the upper surface of the pile group foundations are contacted with the supporting beams, top box girders of the plurality of supports are positioned between the two clamping walls, one side of a decoration arch between the two opposite clamping grooves is provided with a through decoration hole, and fixing mechanisms are arranged between two sides of the decoration arch and the two clamping walls; two groups of resonance prevention mechanisms which are matched with each other are arranged in cavities at two sides of the box girder, two damping mechanisms are arranged between the bottom of the box girder and the supporting beam, an extension plate is fixedly connected to one side of the ear wall, which is far away from the box girder, and a reinforcing mechanism is arranged between the extension plate and the ear wall; the problems that when the geological condition of the arch bridge position is poor, the bearing capacity of the foundation is difficult to meet the requirement of building a large masonry arch abutment and great waste of manpower and resources is caused are solved.
Description
Technical Field
The invention belongs to the technical field of municipal bridge engineering, and relates to a landscape decoration arch combined bridge structure in a soft foundation area.
Background
The landscape bridge is a bridge applied to landscape areas, the aesthetic degree of the landscape can be increased, with the development of China society, the requirements of urban bridge landscape are higher and higher, the common simply supported girder bridge cannot meet the landscape requirements, more and more landscape areas can select arched bridges to increase the aesthetic degree of the scenic spots, the arched bridges can generate horizontal thrust, and the foundation of the arched bridges needs to be made into a large-volume arch seat to resist the horizontal thrust.
Soft foundation or soft foundation refers to a foundation consisting essentially of silt, mucky soil, earth-filled or other high-pressure earth layers. The foundation has high natural water content and low bearing capacity, and is easy to slide or solidify and subside under the action of load. The soft foundation disclosed by the application comprises a foundation for karst cave development in a rock stratum besides the soil layer.
When the geological condition of the arch bridge position is poor, and a soft foundation exists, the bearing capacity of the foundation is difficult to meet the requirement of building a large-size arch abutment, and the redesigned arch bridge can cause great waste on manpower and resources at the moment.
Disclosure of Invention
In view of the above, the invention provides a landscape decoration arch combined bridge structure in a soft foundation area, which aims to solve the problems that when the geological condition of the arch bridge position is poor and a soft foundation exists, the bearing capacity of a foundation is difficult to meet the requirement of building a large masonry arch base, and the redesign of the arch bridge can cause great waste of manpower and resources.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the combined bridge structure of landscape decoration arch in soft foundation area has a bearing system of beam bridge and no thrust system, and has the decoration arch in box Liang Waitiao to simulate the shape of the arch and complete its use performance.
Firstly, the soft foundation needs to be treated as necessary to meet the stress requirement of the bridge. Because a large-volume arch abutment is not required to be built and the foundation is not thrust, the difficulty of foundation treatment is much smaller than that of a thrust arch bridge.
Specific implementations can be referred to as follows: when the soft foundation is a soft soil layer, the soft foundation is treated firstly, and the treated foundation needs to meet the vertical bearing capacity requirement of the pile group foundation. The pile group foundations are adopted, and the vertical load of a single pile is reduced by using a plurality of rows of piles, so that the difficulty of foundation treatment is reduced; when a karst cave exists, the karst cave can be pretreated, the pile group foundation does not pass through the karst cave layer, the steel pile casing does not pass through the easy-collapse layer, and a reliable pore forming mode and construction measures are adopted to prevent the hole collapse during construction of the pile group foundation. Meanwhile, post grouting treatment technology of pile sides and pile ends is adopted, and the requirement of single pile vertical bearing capacity is further met.
The combined bridge structure of the landscape decoration arch in the soft foundation area comprises two supporting mechanisms which are identical in structure and symmetrically distributed, wherein the supporting mechanisms comprise a plurality of pile group foundations, the tops of the pile group foundations are provided with a same bearing platform, the upper surfaces of the bearing platforms are provided with supporting beams in a pouring mode, the tops of the supporting beams are fixedly connected with a plurality of supports, the upper surfaces of the pile group foundations are provided with two clamping grooves, the upper surfaces of the pile group foundations are fixedly provided with earwalls, the earwalls are in contact with the supporting beams, the tops of the supports are provided with a same box girder, the box girder is positioned between the two earwalls, decoration arches are arranged between the two opposite clamping grooves, one side of each decoration arch is provided with a penetrating decoration hole, and fixing mechanisms are arranged between two sides of each decoration arch and the two earwalls;
the fixing mechanism comprises a mounting groove, the mounting groove is formed in the upper surface of the earwall, a clamping box is fixedly connected in the mounting groove, a guide rail is fixedly connected to the inner wall of the bottom of the clamping box, a sliding block is movably connected in the guide rail, a push plate is fixedly connected to the upper surface of the sliding block, two clamping columns are fixedly connected to one side of the push plate, the other ends of the two clamping columns penetrate through the clamping box and the earwall, a first spring is sleeved on the circumferential outer wall of one clamping column and is positioned between the push plate and the clamping box, a mounting plate is fixedly connected between the inner walls of the two sides of the clamping box, a threaded rod penetrating through the upper surface of the mounting plate is movably connected between the inner walls of the two sides of the clamping box, a lifting plate is movably connected with a push rod penetrating through the lifting plate and in threaded connection with the lifting plate, the other end of the push rod is rotatably connected with the push plate, and one side of the top of the clamping box is hinged with a top cover;
two insertion holes are formed in two sides of the decorative arch, and the insertion holes are respectively spliced with the clamping columns;
a plurality of cavities are all offered to the both sides of case roof beam, all are equipped with two sets of resonance preventing mechanisms that cooperate to use in the cavity, all are equipped with two damper between the bottom of case roof beam and the supporting beam, and the equal fixedly connected with extension board of one side that the case roof beam was kept away from to the earwall all is equipped with strengthening mechanism between extension board and the earwall.
Further, the anti-resonance mechanism comprises a bottom plate, the bottom plate is fixedly connected to the bottom of the cavity, two third springs are fixedly connected to the upper surface of the bottom plate, the top of each third spring is fixedly connected with the same springboard, two counterweight balls are fixedly connected to the upper surface of the springboard, and the elastic forces of the third springs in the two groups of anti-resonance mechanisms in the same cavity are different.
Further, the upper surface of the bottom plate is fixedly connected with a guide rod, and the top of the guide rod penetrates through the gangway.
Further, damper includes fixing base and second mount pad, and fixing base fixed connection is in the bottom of case roof beam, and the bottom fixedly connected with slope of fixing base sets up the shock attenuation board, and the bottom fixedly connected with first mount pad of shock attenuation board, second mount pad pass through the bolt fastening in one side of supporting beam, swing joint has the hydraulic stem in the second mount pad, and the other end and the first mount pad rotation of hydraulic stem are connected, the circumference outer wall fixedly connected with second spring of hydraulic stem.
Further, strengthening mechanism includes two fixed barrels, and two fixed barrels are all pre-buried in one side of earwall, and the spacing ring has all been welded to the circumference inner wall of two fixed barrels, and the gas pocket that runs through has all been seted up to one side of two fixed barrel circumferences, all swing joint has the stay tube in the fixed barrel, and the same boss of fixedly connected with between two stay tubes, and the bottom of boss is located the extension board.
Furthermore, a plurality of false joints are formed on one side of the supporting beam, and the false joints are uniformly distributed.
Further, one side of each earwall is fixedly connected with a supporting plate, and the two extending plates are respectively positioned above the two supporting plates.
Further, two buckling frames are fixedly connected to the bottom of the box girder, buckling holes are formed in the bottoms of the two decorative arches, and the two buckling frames are movably connected with the two buckling holes respectively.
Further, two groups of symmetrically arranged railings are fixedly connected between the box girder and the extension plate.
Furthermore, one side of the ear wall is provided with a light soil layer.
The invention has the beneficial effects that:
1. the invention discloses a combined bridge structure of a landscape decoration arch in a soft foundation area, wherein a stress system is a beam bridge, a non-thrust system is adopted, the decoration arch of a box Liang Waitiao is used for simulating the modeling of an arch, a small-diameter pile group foundation and post-stage light soil treatment are adopted, the construction of a large-volume arch seat is avoided, the difficulty of foundation treatment is much smaller than that of a thrust arch bridge, and the combined bridge structure has economical efficiency and practicability. Meanwhile, the adoption of the decorative arch enables the bridge to have the attractive effect of the arch bridge in modeling.
2. According to the combined bridge structure of the landscape decoration arch in the soft foundation area, the decoration arch can be detached, so that the decoration arch can be replaced in different time periods, the decoration arch is more corresponding to a scene, and the use flexibility of the decoration arch is improved.
3. According to the soft foundation area landscape decoration arch combined bridge structure disclosed by the invention, through the use of the anti-resonance mechanism, when the box girder continuously vibrates, two groups of third springs with different elasticity can drive the counterweight balls to shake to different degrees, so that the box girder is prevented from resonating, and the use safety of the box girder is improved.
4. According to the soft foundation area landscape decoration arch combined bridge structure disclosed by the invention, through the arrangement of the damping mechanism, when the box girder vibrates, vibration can be transmitted to the hydraulic rod and the second spring through the damping plate, and the vibration is counteracted through the expansion and contraction of the second spring and the hydraulic rod, so that the service life of the box girder is prolonged.
5. According to the landscape decoration arch combined bridge structure for the soft foundation area, the reinforcing mechanism is arranged between the extension plate and the earwall, so that the extension plate can be firmer and more stable through the support of the support tube and the boss, the situation of fracture is avoided, and the service life of the extension plate is prolonged. Through the setting of placing the light soil layer in the both sides of earwall, reduced the pressure of earwall one side soil, improved supporting mechanism's stability and life.
6. The combined bridge structure of the landscape decoration arch in the soft foundation area can enable the bridge to have the attractive effect of the arch bridge in shape, does not need to build a large-size arch seat, reduces the building cost of the bridge, can facilitate the replacement of the decoration arch in different time periods, enables the decoration arch to be more corresponding to a scene, and improves the use flexibility of the decoration arch.
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 objects and other advantages of the invention may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.
Drawings
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in the following preferred detail with reference to the accompanying drawings, in which:
FIG. 1 is a schematic view of a first perspective three-dimensional structure of a combined bridge structure of a landscape decoration arch in a soft foundation area according to the present invention;
FIG. 2 is a schematic view of a non-decorative arch structure of a combined bridge structure of a landscape decorative arch in a soft foundation area according to the present invention;
FIG. 3 is a schematic view of a second perspective three-dimensional structure of a combined bridge structure of a landscape decoration arch in a soft foundation area according to the present invention;
FIG. 4 is a schematic view of a support beam mounting structure in a combined bridge structure of a landscape decoration arch in a soft foundation area;
FIG. 5 is a schematic view of a middle ear wall structure of a combined bridge structure of a landscape decoration arch in a soft foundation area;
FIG. 6 is a cross-sectional view of a middle ear wall of a combined bridge structure of a landscape decoration arch in a soft foundation area according to the present invention;
FIG. 7 is a cross-sectional view of a support mechanism in a soft foundation area landscape decorative arch composite bridge structure of the invention;
FIG. 8 is a schematic view of a shock absorbing mechanism in a combined bridge structure of a landscape decoration arch in a soft foundation area;
FIG. 9 is a schematic diagram of an anti-resonance mechanism in a combined bridge structure of a landscape decoration arch in a soft foundation area.
Reference numerals: 1. a support mechanism; 2. a box girder; 3. railing; 4. an extension plate; 5. a decorative arch; 6. a decoration hole; 7. pile group foundation; 8. bearing platform; 9. a support beam; 10. an ear wall; 11. a light soil layer; 12. a cavity; 13. an anti-resonance mechanism; 14. a support plate; 15. a reinforcement mechanism; 16. a damping mechanism; 17. a buckling frame; 18. a clamping groove; 19. false joint; 20. a support; 21. a mounting groove; 22. a cartridge; 23. a guide rail; 24. a slide block; 25. a push plate; 26. a clamping column; 27. a first spring; 28. a mounting plate; 29. a threaded rod; 30. a lifting plate; 31. a push rod; 32. a top cover; 33. a fixed cylinder; 34. a limiting ring; 35. air holes; 36. a support tube; 37. a boss; 38. a fixing seat; 39. a shock absorbing plate; 40. a first mount; 41. a hydraulic rod; 42. a second spring; 43. a second mounting base; 44. a bottom plate; 45. a third spring; 46. a springboard; 47. a guide rod; 48. and (5) a counterweight ball.
Detailed Description
Other advantages and effects of the present invention will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present invention with reference to specific examples. The invention may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present invention. It should be noted that the illustrations provided in the following embodiments merely illustrate the basic idea of the present invention by way of illustration, and the following embodiments and features in the embodiments may be combined with each other without conflict.
Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to limit the invention; for the purpose of better illustrating embodiments of the invention, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numbers in the drawings of embodiments of the invention correspond to the same or similar components; in the description of the present invention, it should be understood that, if there are terms such as "upper", "lower", "left", "right", "front", "rear", etc., that indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but not for indicating or suggesting that the referred device or element must have a specific azimuth, be constructed and operated in a specific azimuth, so that the terms describing the positional relationship in the drawings are merely for exemplary illustration and should not be construed as limiting the present invention, and that the specific meaning of the above terms may be understood by those of ordinary skill in the art according to the specific circumstances.
Example 1
As shown in fig. 1-9, a combined bridge structure of a landscape decoration arch in a soft foundation area comprises two supporting mechanisms 1 which are identical in structure and symmetrically distributed, wherein each supporting mechanism 1 comprises a plurality of small-diameter pile group foundations 7, the tops of the small-diameter pile group foundations 7 are provided with a same bearing platform 8, a supporting beam 9 is poured on the upper surface of each bearing platform 8, a plurality of supports 20 are fixedly connected to the tops of the supporting beams 9, two clamping grooves 18 are formed in the upper surface of each supporting beam 9, an earwall 10 is arranged on the upper surface of each pile group foundation 7, the earwalls 10 are in contact with the supporting beams 9, the tops of the plurality of supports 20 are provided with a same box girder 2, the box girder 2 is positioned between the two earwalls 10, decoration arches 5 are arranged between the two opposite clamping grooves 18, and one side of each decoration arch 5 is provided with a penetrating decoration hole 6.
The fixing mechanisms are arranged between the two sides of the decorative arch 5 and the two earwalls 10, each fixing mechanism comprises a mounting groove 21, each mounting groove 21 is formed on the upper surface of each earwall 10, a clamping box 22 is fixedly connected in each mounting groove 21, a guide rail 23 is fixedly arranged on the inner wall of the bottom of each clamping box 22 through bolts, a sliding block 24 is slidably connected in each guide rail 23, a push plate 25 is fixedly arranged on the upper surface of each sliding block 24 through bolts, two clamping columns 26 are fixedly arranged on one side of each push plate 25 through bolts, the other ends of the two clamping columns 26 penetrate through the clamping boxes 22 and the earwalls 10, a first spring 27 is sleeved on the circumferential outer wall of one clamping column 26, each first spring 27 is positioned between each push plate 25 and each clamping box 22, a mounting plate 28 is fixedly arranged between the inner walls of the two sides of each clamping box 22 through bolts, a threaded rod 29 penetrating through the upper surface of each mounting plate 28 is rotatably connected, the two side inner walls of the clamping box 22 are slidably connected with a lifting plate 30, the other end of a threaded rod 29 penetrates through the lifting plate 30 and is in threaded connection with the lifting plate 30, the bottom of the lifting plate 30 is rotationally connected with a push rod 31, the other end of the push rod 31 is rotationally connected with a push plate 25, one side of the top of the clamping box 22 is hinged with a top cover 32, two jacks are respectively formed in two sides of the decorating arch 5 and are respectively spliced with the clamping columns 26, a plurality of cavities 12 are respectively formed in two sides of the box girder 2, two groups of resonance-preventing mechanisms 13 matched with each other are respectively arranged in the cavities 12, two damping mechanisms 16 are respectively arranged between the bottom of the box girder 2 and the supporting beam 9, one side, away from the box girder 2, of the ear wall 10 is fixedly connected with an extension plate 4, and a reinforcing mechanism 15 is respectively arranged between the extension plate 4 and the ear wall 10.
Example two
Referring to fig. 1-9, the invention provides a new technical scheme, a landscape decoration arch combined bridge structure in a soft foundation area, which comprises two supporting mechanisms 1 with the same structure and symmetrical distribution, wherein each supporting mechanism 1 comprises a plurality of pile group foundations 7, the tops of the pile group foundations 7 are provided with the same bearing platform 8, the pile length of the traditional pile group foundations 7 can be reduced by adopting the pile group foundations 7, construction is convenient and fast, the supporting beams 9 are poured on the upper surfaces of the bearing platforms 8, a plurality of false slits 19 are formed on one side of each supporting beam 9, the false slits 19 are uniformly distributed, irregular cracks generated by the supporting beams 9 are avoided through the false slits 19, a plurality of supports 20 are fixedly connected to the tops of the supporting beams 9, two clamping grooves 18 are formed on the upper surfaces of the supporting beams 9, the upper surfaces of the pile group foundations 7 are provided with the earwalls 10, the earwalls 10 are in contact with the supporting beams 9, the earwalls 10 can be the supporting beams 9, the bridge is safer, one side of each earwalls 10 is provided with a light soil layer 11, the soil retaining wall 11 can reduce the soil pressure on one side of the earwalls 10, the tops of the supporting beams 20 are provided with the supporting beams 2, the same beam 2 are provided with the same bridge, the two arched bridges 5 are provided with the corresponding decorative grooves 5, and the two arched cavities 5 are arranged between the two opposite arched walls 5 are provided with the decoration cavities 5, and the two opposite arched structures are provided with the decoration cavities 5.
The decoration arch 5 both sides and two all are equipped with fixed establishment between the earwall 10, fixed establishment includes mounting groove 21, the mounting groove 21 is seted up at the upper surface of earwall 10, fixedly connected with draw-in box 22 in the mounting groove 21, the bottom inner wall of draw-in box 22 is through the bolt fastening having guide rail 23, sliding connection has slider 24 in guide rail 23, the upper surface of slider 24 has push pedal 25 through the bolt fastening, one side of push pedal 25 is through the bolt fastening having two draw-in posts 26, the other end of two draw-in posts 26 all passes draw-in box 22 and earwall 10, the circumference outer wall cover of one of them draw-in post 26 is equipped with first spring 27, and first spring 27 is located between push pedal 25 and the draw-in box 22, first spring 27 can make things convenient for the removal of draw-in post 26 to a direction, be fixed with mounting panel 28 through the bolt fastening between the both sides inner wall of draw-in box 22, the upper surface rotation of mounting panel 28 is connected with the threaded rod 29 that runs through, sliding connection has a lift plate 30 between the both sides inner wall of draw-in box 22, and the other end of threaded rod 29 passes lift plate 30 and with lift plate 30 threaded connection, one side of push pedal 30 is connected with push rod 31 through the push pedal 25 through the screw thread, the bottom rotation of push pedal 31 of push pedal 30, the other end of push pedal 31 and lift plate 25 are connected with the jack 25 simultaneously, make jack 25 can be moved to make jack 25 respectively, make jack 25 to be moved to the jack 25, make jack 25 is moved to make the jack 25, make simultaneously, and the jack 25 is moved to make jack 25.
The bottom fixedly connected with two knot frame 17 of case roof beam 2, detain the hole in the bottom of two decoration arches 5 all, and two knot frame 17 respectively with two knot hole swing joint, detain the frame 17 and can fix the middle part of decorating the arch 5, avoid decorating the arch 5 and rock, one side at cartridge 22 top articulates there is top cap 32, shelter from the protection to cartridge 22 through top cap 32, a plurality of cavitys 12 have all been seted up to the both sides of case roof beam 2, all be equipped with two sets of resonance preventing mechanism 13 that cooperate the use in the cavity 12, all be equipped with two damper 16 between the bottom of case roof beam 2 and the supporting beam 9, the equal fixedly connected with extension board 4 of one side that the case roof beam 2 was kept away from to the earwall 10, fixedly connected with railing 3 that two sets of symmetries set up between case roof beam 2 and the extension board 4, all be equipped with strengthening mechanism 15 between extension board 4 and the earwall 10.
According to the invention, the anti-resonance mechanism 13 comprises a bottom plate 44, the bottom plate 44 is fixedly connected to the bottom of a cavity 12, two third springs 45 are fixedly arranged on the upper surface of the bottom plate 44 through bolts, the same springboard 46 is fixedly arranged on the top of the two third springs 45 through bolts, two counterweight balls 48 are fixedly arranged on the upper surface of the springboard 46 through bolts, the third springs 45 in the two groups of anti-resonance mechanisms 13 in the same cavity 12 are different in elasticity, the springboard 46 and the counterweight balls 48 mounted on the third springs 45 are enabled to jump up and down through vibration, the two counterweight balls 48 in the same cavity 12 are enabled to take irregular jumping, resonance is avoided from being generated by the box girder 2, a guide rod 47 is fixedly arranged on the upper surface of the bottom plate 44 through bolts, the top of the guide rod 47 penetrates through the springboard 46, the guide rod 47 can play a role of guiding the springboard 46, the movement of the springboard 46 is facilitated, the damping mechanism 16 comprises a fixed seat 38 and a second mounting seat 43, the fixed seat 38 is fixedly connected to the bottom of the box girder 2, the vibration seat 38 is fixedly connected to the bottom of the box girder 39 through the bolt seat 39, the first support beam is fixedly arranged on the bottom of the box girder 38 through the bolt seat 39, the second seat is fixedly connected to the second seat 41 through the bolt seat 39, the second seat is fixedly connected to the outer wall of the second seat 41 through the bolt seat 41, the second seat is fixedly connected to the second seat 41 through the guide rod 41, the vibration rod is connected to the second seat 41 through the guide rod 41, and the other end is connected to the second seat through the guide rod 47, and the guide rod 47 is fixedly arranged on the upper end, and the upper end of the guide rod 46, and the vibration seat is used to the upper seat is used to move, and the upper seat is convenient to move and the convenience, and the convenience is convenient.
The reinforcing mechanism 15 comprises two fixed barrels 33, the two fixed barrels 33 are all pre-buried at one side of the earwall 10, limiting rings 34 are welded on the circumferential inner walls of the two fixed barrels 33, through air holes 35 are formed in one side of the circumference of the two fixed barrels 33, supporting pipes 36 are inserted in the fixed barrels 33, the same boss 37 is fixedly connected between the two supporting pipes 36, the bottoms of the bosses 37 are located in the extending plates 4, one side of the earwall 10 is fixedly connected with the supporting plates 14, the two extending plates 4 are respectively located above the two supporting plates 14, the supporting plates 14 support one ends of the extending plates 4, the stability of the supporting plates 14 is improved, the supporting pipes 36 are inserted into the fixed barrels 33, then concrete is injected into the supporting pipes 36, the supporting pipes 36 are enabled to be firmer, and meanwhile the air holes 35 play a role in exhausting during concrete injection.
The advantages of the embodiment over the first embodiment are:
1. through the use of the anti-resonance mechanism 13, when the box girder 2 continuously vibrates, the two groups of third springs 45 with different elasticity can drive the counterweight balls 48 to shake to different degrees, so that the box girder 2 is prevented from generating resonance, and the use safety of the box girder 2 is improved;
2. through the arrangement of the damping mechanism 16, when the box girder 2 vibrates, the vibration can be transmitted to the hydraulic rod 41 and the second spring 42 through the damping plate 39, and the vibration is counteracted through the expansion and contraction of the second spring 42 and the hydraulic rod 41, so that the service life of the box girder 2 is prolonged;
3. by arranging the reinforcing mechanism 15 between the extension plate 4 and the earwall 10, the extension plate 4 can be supported more firmly and stably through the support tube 36 and the boss 37, the situation of fracture is avoided, and the service life of the extension plate 4 is prolonged.
The working principle of the landscape decoration arch combined bridge structure in the soft foundation area is as follows: the box girder 2 is fixed above the two supporting mechanisms 1, so that the two supporting mechanisms 1 can not generate horizontal thrust, the box girder is more suitable for soft foundation areas, meanwhile, the lightweight soil layers 11 at the two sides of the earwall 10 reduce the soil pressure at one side of the earwall 10, the decorative arch 5 enables the bridge to have the attractive appearance of an arch bridge in shape, when the decorative arch 5 needs to be replaced, a worker opens the top cover 32, then rotates the threaded rod 29, the threaded rod 29 rotates on the mounting plate 28 and drives the lifting plate 30 to move upwards, the lifting plate 30 pushes the plate 25 through the push rod 31, the plate 25 moves to one side of the lifting plate 30, meanwhile, the first spring 27 applies thrust to the plate 25, the movement of the plate 25 is facilitated, then the clamping columns 26 are disconnected with the decorative arch 5, the other clamping columns 26 are moved in the same way, then the decorative arch 5 is lifted upwards, the decorative arch 5 is disconnected from the clamping grooves 18 and the buckling frames 17, when the decoration arch 5 is removed and replaced, a new decoration arch 5 is reinserted into the clamping groove 18 and the buckling frame 17, then the threaded rod 29 is reversely rotated again, the lifting plate 30 moves downwards through the threaded rod 29, the lifting plate 30 pushes the push plate 25 through the push rod 31, the clamping post 26 is reinserted into the decoration arch 5, the decoration arch 5 is fixed, the top cover 32 is reset, when a plurality of people walk on a bridge and the box girder 2 vibrates, the vibration can lead the springboard 46 and the counterweight balls 48 arranged on the third springs 45 to bounce up and down, and the two groups of counterweight balls 48 are in irregular bounce due to different elasticity of the two third springs 45 in the same cavity 12, thereby avoiding resonance of the box girder 2, when the automobile passes through the box girder 2 to generate larger vibration, the vibration is transmitted to the hydraulic rod 41 and the second springs 42 through the damping plate 39, the vibration is counteracted by the hydraulic rod 41 and the second spring 42, and when the reinforcement mechanism 15 is installed, the reinforcement mechanism needs to be installed before the extension board 4 is fixed, when the reinforcement mechanism is installed, the support pipe 36 is inserted into the fixed cylinder 33, then concrete is injected into the support pipe 36, and after the concrete is dried, the extension board 4 is fixed.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the present invention, which is intended to be covered by the claims of the present invention.
Claims (4)
1. The utility model provides a view decoration arch combination bridge structure in soft foundation area, includes two supporting mechanism (1) that structure is the same and symmetric distribution, its characterized in that, supporting mechanism (1) include small diameter group pile foundation (7), light soil layer (11) are used jointly behind group pile foundation (7) collocation platform, the top of small diameter group pile foundation (7) is equipped with same cushion cap (8), supporting beam (9) have been pour to the upper surface of cushion cap (8), the top fixedly connected with of supporting beam (9) a plurality of support (20), the upper surface of supporting beam (9) is equipped with two draw-in grooves (18), the upper surface of group pile foundation (7) is fixedly installed auricle (10), and auricle (10) contact with supporting beam (9), a plurality of the top of support (20) is equipped with same roof beam (2), roof beam (2) are located between two auricle (10), all are equipped with between two opposite draw-in grooves (18) and decorate arch (5), and one side of decorating arch (5) all is equipped with the decorating hole (6), decorate and are equipped with between two fixed wall (10) and the mechanism;
a plurality of cavities (12) are formed in two sides of the box girder (2), two groups of resonance prevention mechanisms (13) matched with each other are arranged in the cavities (12), two damping mechanisms (16) are arranged between the bottom of the box girder (2) and the supporting beam (9), an extension plate (4) is fixedly connected to one side, far away from the box girder (2), of the earwall (10), and a reinforcing mechanism (15) is arranged between the extension plate (4) and the earwall (10);
the anti-resonance mechanism (13) comprises a bottom plate (44), the bottom plate (44) is fixedly connected to the bottom of the cavity (12), two third springs (45) are fixedly connected to the upper surface of the bottom plate (44), the tops of the two third springs (45) are fixedly connected with the same springboard (46), two counterweight balls (48) are fixedly connected to the upper surface of the springboard (46), the elastic forces of the third springs (45) in the two groups of anti-resonance mechanisms (13) in the same cavity (12) are different, a guide rod (47) is fixedly connected to the upper surface of the bottom plate (44), and the tops of the guide rods (47) penetrate through the springboard (46);
the fixing mechanism comprises a mounting groove (21), the mounting groove (21) is formed in the upper surface of the earwall (10), a clamping box (22) is fixedly connected in the mounting groove (21), a guide rail (23) is fixedly connected to the inner wall of the bottom of the clamping box (22), a sliding block (24) is movably connected in the guide rail (23), a push plate (25) is fixedly connected to the upper surface of the sliding block (24), two clamping columns (26) are fixedly connected to one side of the push plate (25), the other ends of the two clamping columns (26) penetrate through the clamping box (22) and the earwall (10), a first spring (27) is sleeved on the circumferential outer wall of one clamping column (26), the first spring (27) is positioned between the push plate (25) and the clamping box (22), a mounting plate (28) is fixedly connected between the inner walls of the two sides of the clamping box (22), a threaded rod (29) penetrating through the upper surface of the mounting plate (28), a lifting plate (30) is movably connected between the inner walls of the two sides of the clamping box (22), the other end of the threaded rod (29) penetrates through the lifting plate (30) and is in threaded connection with the lifting plate (30), and the other end of the threaded rod (30) is in movable connection with the lifting plate (31); two insertion holes are formed in two sides of the decorative arch (5), and the insertion holes are respectively spliced with the clamping columns (26); a top cover (32) is hinged to one side of the top of the card box (22);
the damping mechanism (16) comprises a fixed seat (38) and a second mounting seat (43), the fixed seat (38) is fixedly connected to the bottom of the box girder (2), the bottom of the fixed seat (38) is fixedly connected with a damping plate (39) which is obliquely arranged, the bottom of the damping plate (39) is fixedly connected with a first mounting seat (40), the second mounting seat (43) is fixedly arranged on one side of the supporting beam (9) through a bolt, a hydraulic rod (41) is movably connected in the second mounting seat (43), the other end of the hydraulic rod (41) is rotationally connected with the first mounting seat (40), and the circumferential outer wall of the hydraulic rod (41) is fixedly connected with a second spring (42);
reinforcing mechanism (15) are including two fixed barrels (33), and one side at the earwall (10) is all pre-buried to two fixed barrels (33), two the circumference inner wall of fixed barrel (33) has all welded spacing ring (34), two gas pocket (35) that run through have all been seted up to one side of fixed barrel (33) circumference, all swing joint has stay tube (36) in fixed barrel (33), and the same boss (37) of fixedly connected with between two stay tubes (36), and the bottom of boss (37) is located extension board (4).
2. The combined bridge structure for the landscape decoration arch in the soft foundation area according to claim 1, wherein one side of the earwall (10) is fixedly connected with a supporting plate (14), two extension plates (4) are respectively positioned above the two supporting plates (14), a plurality of false joints (19) are respectively arranged on one side of the supporting beam (9), and the false joints (19) are uniformly distributed.
3. The combined bridge structure of the soft foundation area landscape decoration arch according to claim 1, wherein two buckling frames (17) are fixedly connected to the bottom of the box girder (2), buckling holes are formed in the bottoms of the two decoration arches (5), and the two buckling frames (17) are movably connected with the two buckling holes respectively.
4. The combined bridge structure of the landscape decoration arch in the soft foundation area according to claim 1, wherein two groups of symmetrically arranged railings (3) are fixedly connected between the box girder (2) and the extension plate (4).
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