CN216474522U - Device for inhibiting transverse movement of superstructure of small-radius bridge with flat curve under construction - Google Patents
Device for inhibiting transverse movement of superstructure of small-radius bridge with flat curve under construction Download PDFInfo
- Publication number
- CN216474522U CN216474522U CN202122534700.7U CN202122534700U CN216474522U CN 216474522 U CN216474522 U CN 216474522U CN 202122534700 U CN202122534700 U CN 202122534700U CN 216474522 U CN216474522 U CN 216474522U
- Authority
- CN
- China
- Prior art keywords
- face
- edge
- fixed
- fixing piece
- piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The application discloses restrain device at small radius bridge superstructure sideslip of flat curve belongs to bridge construction field, has solved the problem that current construction cost is high, the efficiency of construction is low. The device comprises a supporting mechanism and an anti-collision mechanism. The supporting mechanism comprises a fixing piece, a first supporting piece and a second supporting piece. The bottom surface of the fixing piece is fixed on the top surface of the cover beam and is positioned on the side where the web plate of any box beam is positioned, and the length extending direction of the fixing piece is parallel to the top surface of the cover beam. The first support comprises at least three sides in a projection in a direction extending along the length of the box girder. The end face where the first edge is located is fixed on the top face of the fixing piece, and the end face where the second edge adjacent to the first edge is located is arranged in parallel with the web plate of the box girder. One end of the second supporting piece is fixed on the end face of the first supporting piece where the third edge adjacent to the first edge is located, and the other end of the second supporting piece is fixed on the top face of the fixing piece. The anti-collision mechanism is clamped between the end face where the second edge is located and the web plate of the box girder. The construction cost is low, the efficiency of construction is high.
Description
Technical Field
The application relates to the technical field of bridge construction, in particular to a device for restraining transverse movement of an upper structure of a small-radius bridge with a flat curve.
Background
At present, with the rapid development of the traffic in China, the expressway gradually develops from plain areas to mountain areas with heavy hills. Due to the limitation of the terrain and the deep fusion of construction projects and ecological environment in the process of designing the line, the flat curve radius of part of the bridge is smaller on the premise of meeting design specifications of relevant curve elements. Therefore, after the upper beam body of the bridge is erected, the upper structure of the bridge slightly moves transversely towards the inner side of the curve under the action of the load of the construction transportation vehicle.
In the existing construction process, after the upper structure of the bridge transversely moves, the transverse movement amount of the upper part of the beam is eliminated by adopting a method of jacking and resetting the beam and replacing a support, and the method has high manpower, material resources and financial resources and causes high construction cost. In addition, in the process of jacking and resetting the beam body, the construction of the upper part of the beam body is interrupted, so that the construction period is delayed, and the construction efficiency is low.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a device for inhibiting the transverse movement of the upper structure of a small-radius bridge with a flat curve, and solves the problems of high construction cost and low construction efficiency caused by the fact that the transverse movement amount of the upper part of a beam body is eliminated by a method for jacking, resetting and replacing a support in the existing construction process.
The embodiment of the utility model provides a device for inhibiting the transverse movement of an upper structure of a small-radius bridge on a flat curve, which comprises a supporting mechanism and an anti-collision mechanism, wherein the supporting mechanism is arranged on the upper structure of the small-radius bridge on the flat curve; the supporting mechanism comprises a fixing piece, a first supporting piece and a second supporting piece; the bottom surface of the fixing piece is fixed on the top surface of the cover beam and is positioned on the side where the web plate of any box beam is positioned, and the length extending direction of the fixing piece is parallel to the top surface of the cover beam; the projection of the first support in the length extension direction of the box girder at least comprises three edges; the end face of the first edge is fixed on the top surface of the fixing piece, and the end face of the second edge adjacent to the first edge is arranged in parallel with the web plate of the box girder; one end of the second supporting piece is fixed on the end face of the first supporting piece where the third edge adjacent to the first edge is located, and the other end of the second supporting piece is fixed on the top face of the fixing piece; the anti-collision mechanism is clamped between the end face where the second edge is located and the web of the box girder and used for preventing the first supporting piece from directly colliding with the web of the box girder.
In one possible implementation, the anti-collision mechanism comprises a rubber block.
In one possible implementation, the device for inhibiting the lateral movement of the superstructure on the flat curve small-radius bridge further comprises a third supporting piece; one end of the third supporting piece is fixed on the end face where the third edge is located, and the other end of the third supporting piece is fixed on the top face of the fixing piece; and is located near the intersection of the fixture and the first support.
In one possible implementation, the third support member comprises an i-steel; one end of the I-shaped steel is fixed on the end face where the third edge is located, and the other end of the I-shaped steel is fixed on the top face of the fixing piece.
In one possible implementation, the fixing member includes an i-steel; the lower cross beam of the I-steel is fixed on the top surface of the cover beam and is positioned at the web plate side of any box girder, and the length extending direction is parallel to the top surface of the cover beam.
In one possible implementation manner, the device for inhibiting the transverse movement of the superstructure on the flat curve small-radius bridge further comprises a plurality of mounting holes and a plurality of mounting columns; the mounting columns are arranged on the top surface of the cover beam in a linear array along the length extension direction of the fixing piece; the mounting holes are formed in the lower cross beam of the I-shaped steel and are matched with the mounting columns arranged on the cover beam.
In one possible implementation manner, the device for inhibiting the transverse movement of the superstructure on the small-radius bridge with the flat curve further comprises a nut; the mounting post comprises a screw; after the plurality of mounting holes are respectively sleeved on the corresponding screw rods, the upper ends of the screw rods are respectively screwed with one nut.
In one possible implementation, the first support member includes H-section steel; the end face of the first edge of the H-shaped steel is fixed on the top face of the fixing piece; the end face of a second edge adjacent to the first edge of the H-shaped steel is arranged in parallel with a web plate of the box girder; and/or the second support member comprises H-shaped steel; one end of the H-shaped steel is fixed on the end face of the first supporting piece where the third edge adjacent to the first edge is located, and the other end of the H-shaped steel is fixed on the top face of the fixing piece.
In one possible implementation, the surface of the support mechanism is painted with a grey rust inhibitive paint.
One or more technical solutions provided in the embodiments of the present invention have at least the following technical effects or advantages:
the embodiment of the utility model provides a device for inhibiting the transverse movement of an upper structure of a small-radius bridge on a flat curve. The supporting mechanism comprises a fixing piece, a first supporting piece and a second supporting piece. The bottom surface of the fixing piece is fixed on the top surface of the cover beam, is positioned on the side of the web plate of any box beam, and the length extending direction of the fixing piece is parallel to the top surface of the cover beam. The projection of the first support in the direction of extension of the length of the box girder comprises at least three sides. The end face where the first edge is located is fixed on the top face of the fixing piece, and the end face where the second edge adjacent to the first edge is located is arranged in parallel with the web plate of the box girder. One end of the second supporting piece is fixed on the end face of the first supporting piece where the third edge adjacent to the first edge is located, and the other end of the second supporting piece is fixed on the top face of the fixing piece. The anti-collision mechanism is clamped between the end face where the second edge is located and the web of the box girder and used for preventing the first supporting piece from directly colliding with the web of the box girder. The device for restraining the transverse movement of the upper structure of the small-radius bridge with the flat curve can effectively restrain the transverse displacement of the upper part of the bridge caused by the load effect in the bridge construction process, so that the jacking and resetting of the beam body are not needed in the construction process, the construction efficiency is improved, and the construction cost is reduced. Meanwhile, after the bridge is built into a traffic vehicle, the trend that the upper part of the bridge is integrally displaced towards the lateral high end side can be effectively inhibited, and the construction safety and the safety of the bridge in the operation period are ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a device for inhibiting lateral movement of a superstructure of a small-radius bridge with a flat curve according to an embodiment of the present application;
fig. 2 is a partially enlarged view of fig. 1.
Icon: 1-a support mechanism; 11-a fixing member; 12-a first support; 13-a second support; 14-a third support; 2-an anti-collision mechanism; 21-a rubber block; 3-a capping beam; 31-mounting posts; 311-screw rod; 4-a box girder; 5-nut.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the present invention. The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.
As shown in FIGS. 1-2, the embodiment of the utility model provides a device for inhibiting the lateral movement of a superstructure of a flat curve small-radius bridge, which comprises a supporting mechanism 1 and an anti-collision mechanism 2.
With continued reference to fig. 1, the support mechanism 1 includes a fixed member 11, a first support member 12, and a second support member 13. The bottom surface of the fixing piece 11 is fixed on the top surface of the cover beam 3, is positioned on the side of the web plate of any box girder 4, and the length extension direction of the fixing piece is parallel to the top surface of the cover beam 3. The projection of the first support 12 in the length extending direction of the box girder 4 includes at least three sides, and as shown in fig. 1 and fig. 2, the projection of the first support 12 in the length extending direction of the box girder 4 is a quadrilateral structure, but the projection may also be a triangle. The end face of the first side is fixed on the top face of the fixing member 11. The end face of the second edge adjacent to the first edge is arranged in parallel with the web of the box girder 4. One end of the second supporting member 13 is fixed to an end surface of the first supporting member 12 where the third edge adjacent to the first edge is located, and the other end is fixed to the top surface of the fixing member 11. In practical application, the fixing piece 11, the first supporting piece 12 and the second supporting piece 13 form a triangular support, so that the supporting mechanism 1 is relatively stable, the transverse displacement of the upper part of the bridge caused by the load action in the bridge construction process can be effectively inhibited, the roof beam body does not need to be jacked and reset in the construction process, the construction efficiency is improved, and the construction cost is reduced.
In practical application, before a device for inhibiting the transverse movement of the superstructure of the small-radius bridge with the flat curve is arranged, the displacement amount of the transverse movement of the beam body, the number of the beam body and the stress state of the support seat need to be checked on a construction site. Specifically, it is necessary to check whether or not there is a stop against which the web of the box girder 4 abuts and whether or not there is shear deformation of the support inside the curve, to predict the tendency of the box girder 4 to displace inside the curve, and to check and register the position where the lateral displacement has occurred and the shear deformation of the support is within the allowable range without having to perform a jacking-up restoration of the girder. Through research and analysis on the conditions, the installation scheme, the installation positions and the number of the devices for inhibiting the transverse movement of the upper structure of the flat curve small-radius bridge can be accurately and quickly determined. And then, designing and processing a device for inhibiting the transverse movement of the upper structure of the flat curve small-radius bridge, and respectively processing and numbering according to parameters such as a transverse slope and a width of the cover beam 3, an included angle between a web plate and a bottom plate of the box beam 4, a vertical distance between the bottom plate of the box beam 4 and the top surface of the cover beam 3, a horizontal distance between the bottoms of two adjacent box beams 4, the number of beam bodies generating transverse displacement and the like obtained on site during designing and processing of the device for inhibiting the transverse movement of the upper structure of the flat curve small-radius bridge.
Specifically, after the machining is finished, a device for restraining the transverse movement of the superstructure of the small-radius bridge with the flat curve is positioned and installed on site. By inhibiting the installation of the device for transversely moving the upper structure of the small-radius bridge with a flat curve, the trend that the transverse movement of the upper beam body with a small amount of transverse movement is continuously increased can be effectively prevented, the situation that the construction cost is overhigh due to the jacking and resetting of the beam body in the construction process can be avoided, the structural safety in the bridge operation period is more effectively guaranteed, and the work core of 'human text' and the safety management policy of 'safety first, prevention first and comprehensive treatment' are implemented.
With continued reference to fig. 2, the collision prevention mechanism 2 is clamped between the end surface of the second edge and the web of the box girder 4, and is used for preventing the first support member 12 from directly colliding with the web of the box girder 4. Because first support piece 12 and case roof beam 4 are hard material, if the two direct contact can lead to first support piece 12 atress great to make first support piece 12 fragile, therefore be provided with and prevent bumping mechanism 2, avoid first support piece 12 and case roof beam 4 direct contact, play the cushioning effect, and then prolong first support piece 12's life.
The embodiment of the utility model provides a device for inhibiting the transverse movement of an upper structure of a small-radius bridge with a flat curve, which comprises a supporting mechanism 1 and an anti-collision mechanism 2. The support mechanism 1 includes a fixed member 11, a first support member 12, and a second support member 13. The bottom surface of the fixing piece 11 is fixed on the top surface of the cover beam 3, is positioned on the side of the web plate of any box girder 4, and the length extension direction of the fixing piece is parallel to the top surface of the cover beam 3. The first support 12 comprises at least three sides in a projection along the length extension of the box girder 4. The end surface of the first edge is fixed on the top surface of the fixing piece 11, and the end surface of the second edge adjacent to the first edge is arranged in parallel with the web plate of the box girder 4. One end of the second supporting member 13 is fixed to an end surface of the first supporting member 12 where the third edge adjacent to the first edge is located, and the other end is fixed to the top surface of the fixing member 11. The anti-collision mechanism 2 is clamped between the end face of the second edge and the web of the box girder 4 and used for preventing the first supporting piece 12 from directly colliding with the web of the box girder 4. The device for restraining the transverse movement of the upper structure of the small-radius bridge with the flat curve can effectively restrain the transverse displacement of the upper part of the bridge caused by the load effect in the bridge construction process, so that the jacking and resetting of the beam body are not needed in the construction process, the construction efficiency is improved, and the construction cost is reduced. Meanwhile, after the bridge is built into a traffic vehicle, the trend that the upper part of the bridge is integrally displaced towards the lateral high end side can be effectively inhibited, and the construction safety and the safety of the bridge in the operation period are ensured.
In practical applications, the anti-collision mechanism 2 comprises a rubber block 21. Because the material of the rubber block 21 is soft, the first supporting piece 12 can be prevented from directly colliding with the web plate of the box girder 4, the damping effect is achieved, and the rubber block 21 is low in price and easy to obtain. Of course, the anti-collision mechanism 2 may also comprise a sponge.
With continued reference to fig. 2, the means for inhibiting lateral movement of the superstructure on a flat curve small radius bridge further comprises a third support member 14. One end of the third supporting member 14 is fixed to the end face where the third edge is located, and the other end is fixed to the top face of the fixing member 11; and it is close to the intersection of the fixing member 11 and the first support member 12. In practical applications, the third supporting member 14 is provided to further support and fix the first supporting member 12, so as to improve the reliability of the supporting mechanism 1.
Further, the third support member 14 comprises an i-steel. One end of the I-steel is fixed on the end face where the third edge is located, and the other end of the I-steel is fixed on the top face of the fixing piece 11. Of course, the third support 14 may also be a steel plate or a channel steel. In comparison, the I-steel has high rigidity, high bending resistance and easily available materials.
Specifically, the fixing member 11 includes an i-steel. The lower cross beam of the I-steel is fixed on the top surface of the cover beam 3 and is positioned at the web plate side of any box beam 4, and the length extension direction of the lower cross beam is parallel to the top surface of the cover beam 3. Of course, the fixture 11 may be H-shaped steel or channel steel. In comparison, in the bridge construction process, the I-steel is widely used, so that more I-steels are used in the construction site, and leftover materials left in the construction process of other parts can be used, so that the waste of materials is avoided, and the construction cost is saved.
In practical application, the device for inhibiting the traverse of the superstructure on the flat curve small-radius bridge further comprises a plurality of mounting holes and a plurality of mounting columns 31. A plurality of mounting posts 31 are provided in a linear array on the top surface of the lid beam 3 along the length extension of the fixing 11. The mounting holes are located on the lower cross beam of the I-shaped steel and are matched with the mounting columns 31 arranged on the cover beam 3. As shown in fig. 2, a plurality of mounting posts 31 are provided on the top surface of the lid beam 3 in a linear array in the X-axis direction of the lid beam 3. In the actual work progress, through the setting of mounting hole and erection column 31, can accomplish the installation of supporting mechanism 1 fast, whole installation is simple and convenient, the installation accuracy is high, work efficiency is high. Of course, the mounting of the support mechanism 1 may also be accomplished by welding or the like.
With continued reference to fig. 2, the means for restraining the lateral movement of the superstructure on a flat curve small radius bridge further comprises a nut 5. The mounting post 31 includes a threaded rod 311. After the plurality of mounting holes are respectively sleeved on the corresponding screw rods 311, the upper ends of the screw rods 311 are respectively screwed with a nut 5. The supporting mechanism 1 is more convenient to mount and more convenient to dismount and maintain in the later period due to the matching of the screw 311 and the nut 5.
In practice, the first support member 12 comprises an H-beam. The end face of the first side of the H-shaped steel is fixed on the top surface of the fixing piece 11. The end face of the second edge adjacent to the first edge of the H-shaped steel is arranged in parallel with the web plate of the box girder 4. And/or the second support 13 comprises H-section steel. One end of the H-beam is fixed to the end surface of the third edge of the first support member 12 adjacent to the first edge, and the other end is fixed to the top surface of the fixing member 11. Specifically, both the first support member 12 and the second support member 13 may be H-shaped steel, or only the first support member 12 may be H-shaped steel, or only the second support member 13 may be H-shaped steel. The H-shaped steel has the advantages of light weight, high rigidity and the like.
Further, the surface of the support mechanism 1 is painted with a gray rust-proof paint. Brushing gray antirust paint on the surface of the supporting mechanism 1 can prevent the supporting mechanism 1 from being corroded, and in addition, the color of gray is closer to that of the bridge, so that the integral attractiveness of the bridge is improved.
In order to show the utility model more clearly, engineering examples are given below.
The length of a certain bridge is 568m, the upper part of the bridge is a prestressed concrete bridge with 14 multiplied by 40m, the bridge is simply supported and then is a continuous beam bridge, and the lower part of the bridge is a column pier, a thin-wall hollow pier and a pile foundation. The left first connecting part and the right first connecting part are connected in a 4-hole one mode, the No. 1 pier and the No. 8 pier are column type piers, and the No. 2 pier-No. 7 pier are thin-wall hollow piers. The bridge is located on an S-shaped curve, wherein the first joint and the second joint are located on a left-turning circle curve, the radius of the curve is 650 meters, and the maximum cross slope is 4 percent. In the construction process, the box girder 4 at the positions of the 5# pier and the 3# pier of the left and the right of the bridge is found to locally prop against the left shockproof stop block, and the support is subjected to shearing deformation in different degrees.
After on-site inspection, no crack is found in the shockproof stop block; the top surface of the pier top rubber support generates transverse shear deformation to the left side, the deformation is 5-10 mm, and the deformation meets the relevant requirements of road and bridge high damping shock insulation rubber supports (JT/T842-2012). Therefore, a device for restraining the transverse movement of the superstructure on the small-radius bridge with the flat curve is arranged at the corresponding position where the transverse movement occurs.
The device for restraining the transverse movement of the upper structure of the small-radius bridge with the flat curve is arranged on the beam body which has undergone the transverse movement, so that the transverse movement of the beam body cannot be caused when a construction vehicle carries out operations such as non-directional driving and turning on the top surface of the beam body in subsequent construction, and the construction safety and the operation safety after traffic is guaranteed. And through the detection of observation points arranged on two sides of the bridge deck after the traffic operation, the beam body which moves transversely after the traffic operation for a period of time is basically reset.
The embodiments in the present specification are described in a progressive manner, and the same or similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments.
The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the present application; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure.
Claims (9)
1. A device for inhibiting the transverse movement of an upper structure of a small-radius bridge with a flat curve is characterized by comprising a supporting mechanism (1) and an anti-collision mechanism (2);
the supporting mechanism (1) comprises a fixed piece (11), a first supporting piece (12) and a second supporting piece (13);
the bottom surface of the fixing piece (11) is fixed on the top surface of the cover beam (3), is positioned on the web plate side of any box beam (4), and the length extension direction of the fixing piece is parallel to the top surface of the cover beam (3);
the projection of the first support (12) in the direction of the length extension of the box girder (4) comprises at least three sides; the end face of the first edge is fixed on the top surface of the fixing piece (11), and the end face of the second edge adjacent to the first edge is arranged in parallel with the web plate of the box girder (4);
one end of the second supporting piece (13) is fixed on the end face of the third edge of the first supporting piece (12) adjacent to the first edge, and the other end of the second supporting piece is fixed on the top face of the fixing piece (11);
the anti-collision mechanism (2) is clamped between the end face where the second edge is located and the web of the box girder (4) and used for preventing the first supporting piece (12) from directly colliding with the web of the box girder (4).
2. The device for restraining the lateral movement of a superstructure of a flat-curved small-radius bridge according to claim 1, wherein said anti-collision means (2) comprises a rubber block (21).
3. The apparatus for restraining lateral movement of a superstructure on a flat-curved small-radius bridge according to claim 1, further comprising a third support member (14);
one end of the third supporting piece (14) is fixed on the end face where the third edge is located, and the other end of the third supporting piece is fixed on the top face of the fixing piece (11); and which is close to the intersection of the fixing element (11) and the first support element (12).
4. The apparatus for restraining lateral movement of a superstructure on a flat curve small radius bridge according to claim 3, wherein said third support member (14) comprises an I-beam;
one end of the I-shaped steel is fixed on the end face where the third edge is located, and the other end of the I-shaped steel is fixed on the top face of the fixing piece (11).
5. The apparatus for restraining the lateral movement of a superstructure of a flat-curved small-radius bridge according to claim 1, wherein said fixing member (11) comprises an i-steel;
the lower cross beam of the I-steel is fixed on the top surface of the cover beam (3) and located on the side where the web of any box beam (4) is located, and the length extending direction is parallel to the top surface of the cover beam (3).
6. The apparatus for restraining lateral movement of a superstructure on a flat curve small radius bridge according to claim 5, further comprising a plurality of mounting holes and a plurality of mounting posts (31);
the mounting columns (31) are arranged on the top surface of the cover beam (3) in a linear array along the length extension direction of the fixing piece (11);
the mounting holes are formed in the lower cross beam of the I-shaped steel and are matched with the mounting columns (31) arranged on the cover beam (3).
7. The device for restraining the lateral movement of the superstructure of small-radius bridges under construction according to claim 6, further comprising a nut (5);
the mounting post (31) comprises a threaded rod (311);
after the plurality of mounting holes are respectively sleeved on the corresponding screw rods (311), the upper ends of the screw rods (311) are respectively screwed with one nut (5).
8. The apparatus for restraining lateral movement of a superstructure of a flat curve small radius bridge under construction according to claim 1, wherein said first support member (12) comprises an H-beam;
the end face of the first edge of the H-shaped steel is fixed on the top face of the fixing piece (11); the end face of a second edge adjacent to the first edge of the H-shaped steel is arranged in parallel with a web plate of the box girder (4);
and/or the presence of a gas in the gas,
the second support (13) comprises H-section steel;
one end of the H-shaped steel is fixed on the end face of the third edge, and the other end of the H-shaped steel is fixed on the top face of the fixing piece (11).
9. The device for restraining the lateral movement of the superstructure of small-radius bridges under construction according to claim 1, wherein the surface of the supporting mechanism (1) is painted with a gray rust-proof paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122534700.7U CN216474522U (en) | 2021-10-21 | 2021-10-21 | Device for inhibiting transverse movement of superstructure of small-radius bridge with flat curve under construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122534700.7U CN216474522U (en) | 2021-10-21 | 2021-10-21 | Device for inhibiting transverse movement of superstructure of small-radius bridge with flat curve under construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216474522U true CN216474522U (en) | 2022-05-10 |
Family
ID=81442298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122534700.7U Active CN216474522U (en) | 2021-10-21 | 2021-10-21 | Device for inhibiting transverse movement of superstructure of small-radius bridge with flat curve under construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216474522U (en) |
-
2021
- 2021-10-21 CN CN202122534700.7U patent/CN216474522U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105421294B (en) | Anti-ship-collision facility for four-limb thin-walled bridge piers | |
| Congress | Standard specifications and code of practice for road bridges | |
| CN111119070B (en) | Method for erecting W-shaped steel truss girder by adopting symmetrical gantry crane suspension assembly | |
| JP2014129719A (en) | Lateral displacement restraining device | |
| CN216474522U (en) | Device for inhibiting transverse movement of superstructure of small-radius bridge with flat curve under construction | |
| Takahashi et al. | Damage to road bridges induced by ground motion in the 2011 Great East Japan Earthquake | |
| JP6013701B2 (en) | Bridge | |
| CN113931089A (en) | Limiting device for bridge anti-overturning and anti-pulling reinforcement and construction method thereof | |
| CN111663451B (en) | Construction method of ultrahigh tower of long-span bearing type continuous steel truss girder bridge in high mountain canyon | |
| Jaaz et al. | Influence of constructing transverse concrete diaphragms in different distances on the dynamic and static behavior of prestressed concrete T-beam bridge structure | |
| CN112239993A (en) | Bridge anti-overturning device adaptive to multidirectional displacement and construction method thereof | |
| Szafran et al. | Full-scale testing of steel lattice towers: requirements, preparation, execution, challenges, and the results | |
| Kuwabara et al. | Outline of Japanese design specifications for highway bridges in 2012 | |
| Xu et al. | Numerical and Experimental Investigation of the Jack-Up Technology based on Anti-Overturning of the Single-Column Pier Bridge | |
| CN215052007U (en) | Longitudinal anti-seismic stop block for flexible pier and bridge | |
| CN213013873U (en) | Bridge reinforcing device for municipal bridge engineering | |
| CN113235463B (en) | Self-locking creeping limiting method for curved bridge | |
| CN214656291U (en) | Safety performance improving structure of single-column pier bridge | |
| CN213114271U (en) | Longitudinal bridge anti-seismic stop block for curved road bridge | |
| Sayed et al. | Finite elements analysis techniques of vessel collision with cable-stayed bridge | |
| KR102276215B1 (en) | Point part structure for prestressed concrete beam bridge | |
| CN213978538U (en) | Bridge transverse limiting device | |
| CN214993108U (en) | Tower crane bearing structure for cable-stay bridge | |
| CN210529733U (en) | Component type cement tank foundation | |
| Chen et al. | Design and Calculation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |