CN214089763U - Flow blocking device for deepwater pile foundation reinforcement construction - Google Patents
Flow blocking device for deepwater pile foundation reinforcement construction Download PDFInfo
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- CN214089763U CN214089763U CN202023070534.1U CN202023070534U CN214089763U CN 214089763 U CN214089763 U CN 214089763U CN 202023070534 U CN202023070534 U CN 202023070534U CN 214089763 U CN214089763 U CN 214089763U
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Abstract
The utility model relates to a fender stream device that deep water pile foundation reinforcement construction used relates to bridge maintenance technical field, and this fender stream device passes through coupling mechanism to be connected in the upstream side of bridge cushion cap, and bottom butt in riverbed or seabed, and this fender stream device includes: steel wire mesh; the flow blocking framework comprises a plurality of cross beams and a plurality of longitudinal beams, the cross beams are arranged on the steel wire mesh in parallel and horizontally at intervals, and the longitudinal beams are arranged in parallel at intervals and vertically fixed on the cross beams; and the water-permeable non-woven fabric is coated on one side of the steel wire mesh, which is far away from the cross beam. The flow blocking device is simple in structure, light in structural weight and low in manufacturing cost, can effectively reduce the flow velocity of water in the range of a pile foundation reinforcing operation area, dissipates the water flow energy, and enables divers to carry out jacket method pile foundation reinforcing construction in a rapid-flow and deep-water environment; because the flow blocking device is not a fully-closed water blocking device, the water flow impact force borne by the flow blocking device can be greatly reduced, and the flow blocking device can be used repeatedly.
Description
Technical Field
The application relates to the technical field of bridge maintenance, in particular to a flow blocking device for deepwater pile foundation reinforcement construction.
Background
At present, because the soil body around the bridge pile foundation in water is washed away by water flow, the pile foundation is directly exposed in the water flow and washed away by the water flow, so that concrete on the surface of the pile foundation is peeled off and exposed, the diameter of the pile foundation is reduced, and the bearing capacity of the pile foundation is seriously influenced.
In the related art, aiming at the problem of pile foundation scouring, a cofferdam drainage operation method, a fiber grid method or a jacket method can be selected for reinforcing the existing pile foundation. The jacket method is widely applied to bridge pile foundation reinforcement construction due to high construction speed, good pile foundation reinforcement effect and low construction cost.
However, when the pile foundation is located in a fast-flow or deep-flow area such as the Yangtze river, the diver cannot perform underwater work due to a high flow rate, so that the jacket method pile foundation reinforcement construction is limited. Although conventional drainage operation methods such as a steel cofferdam, a steel sheet pile, a steel jacket box and the like can provide a waterless operation environment for the reinforcement construction of the pile foundation of the jacket method, the construction cost is high, the construction period is long, and the efficiency and the economy of the reinforcement construction of the pile foundation of the jacket method are limited.
SUMMERY OF THE UTILITY MODEL
Aiming at one of the defects in the prior art, the application aims to provide the flow blocking device for deepwater pile foundation reinforcement construction, so as to solve the problems of the related art that the efficiency and the economy of the jacket method pile foundation reinforcement construction are restricted.
In order to achieve the above object, the present invention provides a current blocking device for deep water pile foundation reinforcement construction, one side of which is connected to an upstream side of a bridge deck through a connection mechanism, and a bottom of which abuts against a river bed or a sea bed, the current blocking device comprising:
steel wire mesh;
the flow blocking framework comprises a plurality of cross beams and a plurality of longitudinal beams, the cross beams are arranged on the steel wire mesh in parallel and horizontally at intervals, and the longitudinal beams are arranged in parallel at intervals and vertically fixed on the cross beams;
and the water-permeable non-woven fabric is coated on one side of the steel wire mesh, which is far away from the cross beam.
In some embodiments, the lower end of the bridge bearing platform is connected with the concrete pile foundation, the upper end of the bridge bearing platform is connected with a bridge pier, and the horizontal length of the side of the bridge bearing platform, which is connected with the flow blocking device, is smaller than the length of the cross beam.
In some embodiments, the length of the longitudinal beam is greater than the distance from the upper end surface of the bridge bearing platform to the river bed or the sea bed.
In some embodiments, the above-described connection mechanism includes:
the hoop base is arranged on the bridge bearing platform;
and the hoop clamping plate is sleeved on the longitudinal beam and is connected with the hoop base through a fastener.
In some embodiments, the hoop base and the hoop clamping plate are correspondingly provided with mounting holes, and the mounting holes are provided with fasteners.
In some embodiments, the end of the flow blocking device abutting against the river bed or the sea bed is connected with a weight.
In some embodiments, the weight is connected to a side of the longitudinal beam away from the cross beam.
In some embodiments, the water-permeable nonwoven fabric is a water-permeable geotextile.
In some embodiments, the outer periphery of the permeable geotextile is connected to the steel wire mesh through a steel wire rope.
In some embodiments, the cross beam and the longitudinal beam are welded and fixed, and the cross beam and the steel wire mesh are welded and fixed.
The beneficial effect that technical scheme that this application provided brought includes:
the application provides a flow blocking device for reinforcing construction of a deep water pile foundation, a plurality of cross beams are arranged on a steel wire mesh in parallel and at horizontal intervals, a plurality of longitudinal beams are arranged in parallel at intervals and are vertically fixed on the cross beams, and a permeable non-woven fabric is coated on the surface of one side, away from the cross beams, of the steel wire mesh, so that the flow blocking device is simple in structure, light in structure quality and low in manufacturing cost, and the permeable non-woven fabric is used as a water blocking material instead of a waterproof material, so that the flow velocity of water in the range of a pile foundation reinforcing operation area can be effectively reduced, the water flow energy is dissipated, and the pile foundation reinforcing construction of a jacket method by a diver in a torrent and deep water environment can be realized; in addition, because the flow blocking device is not a fully-closed water blocking device, the impact force of water flow borne by the flow blocking device can be greatly reduced, and the flow blocking device can be used repeatedly.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, 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 view of a flow blocking device for deep water pile foundation reinforcement construction according to an embodiment of the present application;
FIG. 2 is a schematic structural diagram of a flow blocking skeleton according to an embodiment of the present disclosure;
fig. 3 is an installation schematic diagram of a steel wire mesh according to an embodiment of the present application;
fig. 4 is a schematic view showing the installation of the water-permeable nonwoven fabric according to the embodiment of the present application.
Reference numerals:
1. a bridge bearing platform;
2. a connecting mechanism;
3. steel wire mesh;
4. a flow blocking framework; 41. a cross beam; 42. a stringer; 43. a weight block;
5. a water-permeable nonwoven fabric;
6. bridge piers;
7. a concrete pile foundation; 71. a fiberglass sleeve; 72. grouting material;
8. a water surface;
9. a river bed or a sea bed.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. 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 application.
The embodiment of the application provides a keep off a class device that construction was used is consolidated to deep water pile foundation, and it can solve the problem of restricting the efficiency and the economic nature of jacket method pile foundation reinforcement construction among the correlation technique.
As shown in fig. 1, the flow blocking device for the deep water pile foundation reinforcement construction is suitable for the reinforcement construction of the deep water pile foundation of the river-crossing bridge. One side of the flow blocking device is connected to the upstream side of the bridge bearing platform 1 through a connecting mechanism 2, and the bottom of the flow blocking device is abutted against a river bed or a sea bed 9.
In this embodiment, the flow blocking device includes a steel wire mesh 3, a flow blocking framework 4 and a water-permeable non-woven fabric 5.
As shown in fig. 2 and 3, the flow blocking framework 4 includes a plurality of cross beams 41 and a plurality of longitudinal beams 42, the plurality of cross beams 41 are arranged on the steel wire mesh 3 in parallel and at horizontal intervals, the plurality of longitudinal beams 42 are arranged in parallel at intervals, and each longitudinal beam 42 is vertically fixed on the plurality of cross beams 41. The plurality of cross beams 41 and the plurality of longitudinal beams 42 are fixedly connected to form the flow blocking framework 4.
As shown in fig. 4, the water-permeable nonwoven fabric 5 is coated on the surface of the steel wire mesh 3 on the side away from the beam 41.
The flow blocking device for the deep water pile foundation reinforcement construction is simple in structure, light in structural weight and low in manufacturing cost, and the permeable non-woven fabric is used as a water blocking material instead of a waterproof material, so that the flow velocity of water in the pile foundation reinforcement operation area can be effectively reduced, the water flow energy is dissipated, and the pile foundation reinforcement construction of a jacket method by a diver in a rapid stream and deep water environment is realized; in addition, because the flow blocking device is not a fully-closed water blocking device, the impact force of water flow borne by the flow blocking device can be greatly reduced, and the flow blocking device can be used repeatedly.
Alternatively, the cross beam 41 and the longitudinal beam 42 are both formed steel. The cross beam 41 and the longitudinal beam 42 are welded and fixed, and the cross beam 41 and the steel wire mesh 3 are welded and fixed, so that the cross beam 41 and the longitudinal beam 42 and the cross beam 41 and the steel wire mesh 3 are fastened and connected.
In this embodiment, the lower end of the bridge bearing platform 1 is connected to a concrete pile foundation 7, and the upper end of the bridge bearing platform 1 is connected to a bridge pier 6.
Preferably, the horizontal length of the bridge bearing platform 1 on the side connected with the flow blocking device is smaller than the length of the cross beam 41, so that the flow blocking device can dissipate the water flowing energy in the range of the pile foundation reinforcement operation area, and the underwater construction operation is facilitated.
Further, the length of the longitudinal beam 42 is longer than the distance from the upper end surface of the bridge deck 1 to the river bed or the sea bed 9. The length of the longitudinal beam 42 is required to ensure that the bottom of the longitudinal beam can be placed on the surface of the river bed or the sea bed 9, and the other end of the longitudinal beam 42 can be connected with the bridge bearing platform 1.
Optionally, the connecting mechanism 2 includes a hoop base and a hoop clamp plate.
The hoop base is arranged on the bridge bearing platform 1. The hoop clamping plate is sleeved on one of the longitudinal beams 42 and connected with the hoop base through a fastener, so that the device is fixed on the upstream side of the bridge bearing platform 1.
In this embodiment, the hoop base and the hoop clamping plate are correspondingly provided with mounting holes, and the mounting holes are internally provided with fasteners. Wherein, the mounting hole is the screw hole, and the fastener is fastening bolt.
In other embodiments, the connecting mechanism 2 may also be a connecting cable, through which the longitudinal beam 42 is fixedly connected to the bridge platform 1.
Optionally, a weight 43 is connected to one end of the flow blocking device abutting against the river or sea bed 9.
In this embodiment, the weight 43 is connected to a side of the longitudinal beam 42 away from the cross beam 41. The weight of the flow blocking device can be further increased by the weight 43 to resist the impact force of the water flow. After the weight 43 is arranged, the cross beam 41 and the longitudinal beam 42 can also be made of section steel with a small model to further reduce the manufacturing and hoisting cost of the flow blocking device.
Preferably, the water-permeable nonwoven fabric 5 is a water-permeable geotextile. Wherein, the periphery of the above-mentioned geotechnological cloth that permeates water passes through wire rope and connects on wire net 3.
In other embodiments, the periphery of geotechnological cloth that permeates water accessible thin iron wire ligature in above-mentioned wire net 3's periphery, not only the preparation mode is simple, and easily change.
Before the deep water pile foundation is reinforced and constructed, the beam 41 and the longitudinal beam 42 can be welded and fixed to form the flow blocking framework 4, then one side, far away from the longitudinal beam 42, of the beam 41 is welded and fixed to the steel wire mesh 3 to form a water blocking frame, and then the water blocking frame can be installed on the upstream side of the bridge bearing platform 1 through the floating crane and is fixed through the connecting mechanism 2.
At this time, the bridge platform 1 is partially positioned below the water surface 8, partially positioned above the water surface 8, and the connection between the bridge platform 1 and the longitudinal beams 42 is positioned above the water surface 8. And finally, the diver launches to install the permeable geotextile, so that the flow blocking device can be formed.
When the deepwater pile foundation is reinforced, a diver can clean the concrete pile foundation 7 flushed by water at the downstream of the flow blocking device, then install the glass fiber sleeve 71 on the concrete pile foundation 7, and finally pour the grouting material 72 between the glass fiber sleeve 71 and the concrete pile foundation 7.
The fender of this embodiment flows the device, crossbeam, longeron, wire net and the non woven fabrics that permeates water are conventional engineering material, simple structure, and the processing installation of being convenient for, and the cost of manufacture is low, and the use through this fender flows the device, can satisfy the jacket method pile foundation and consolidate the construction operation and can satisfy efficiency of construction and economic nature requirement again.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may 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. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a keep off class device that deep water pile foundation reinforcement construction used which characterized in that, its one side passes through coupling mechanism (2) to be connected in the upstream side of bridge cushion cap (1), and bottom butt in riverbed or seabed (9), keep off class device and include:
a steel wire mesh (3);
the flow blocking framework (4) comprises a plurality of cross beams (41) and a plurality of longitudinal beams (42), the cross beams (41) are arranged on the steel wire mesh (3) in parallel at intervals, and the longitudinal beams (42) are arranged in parallel at intervals and are vertically fixed on the cross beams (41);
and the water-permeable non-woven fabric (5) is coated on one side, away from the cross beam (41), of the steel wire mesh (3).
2. The flow blocking device for deep water pile foundation reinforcement construction according to claim 1, characterized in that: the concrete pile foundation (7) is connected to bridge cushion cap (1) lower extreme, bridge pier (6) is connected to bridge cushion cap (1) upper end, the horizontal length that fender stream device one side is connected in bridge cushion cap (1) is less than the length of crossbeam (41).
3. The flow blocking device for deep water pile foundation reinforcement construction according to claim 1, characterized in that: the length of the longitudinal beam (42) is larger than the distance from the upper end surface of the bridge bearing platform (1) to a river bed or a sea bed (9).
4. The flow blocking device for deep water pile foundation reinforcement construction according to claim 1, wherein the connecting mechanism (2) comprises:
the hoop base is arranged on the bridge bearing platform (1);
and the hoop clamping plate is sleeved on the longitudinal beam (42) and is connected with the hoop base through a fastener.
5. The flow blocking device for deep water pile foundation reinforcement construction according to claim 4, wherein: the hoop base and the hoop clamping plates are correspondingly provided with mounting holes, and fasteners are arranged in the mounting holes.
6. The flow blocking device for deep water pile foundation reinforcement construction according to claim 1, characterized in that: one end of the flow blocking device, which is abutted against the riverbed or the seabed (9), is connected with a weight (43).
7. The flow blocking device for deep water pile foundation reinforcement construction according to claim 6, wherein: the weight (43) is connected to the side of the longitudinal beam (42) far away from the cross beam (41).
8. The flow blocking device for deep water pile foundation reinforcement construction according to claim 1, characterized in that: the water-permeable non-woven fabric (5) is water-permeable geotextile.
9. The flow blocking device for deep water pile foundation reinforcement construction according to claim 8, wherein: the periphery of the permeable geotextile is connected to the steel wire mesh (3) through a steel wire rope.
10. The flow blocking device for deep water pile foundation reinforcement construction according to claim 1, characterized in that: the transverse beam (41) and the longitudinal beam (42) are fixedly welded, and the transverse beam (41) and the steel wire mesh (3) are fixedly welded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023070534.1U CN214089763U (en) | 2020-12-18 | 2020-12-18 | Flow blocking device for deepwater pile foundation reinforcement construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023070534.1U CN214089763U (en) | 2020-12-18 | 2020-12-18 | Flow blocking device for deepwater pile foundation reinforcement construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214089763U true CN214089763U (en) | 2021-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023070534.1U Active CN214089763U (en) | 2020-12-18 | 2020-12-18 | Flow blocking device for deepwater pile foundation reinforcement construction |
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| CN (1) | CN214089763U (en) |
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- 2020-12-18 CN CN202023070534.1U patent/CN214089763U/en active Active
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