Anti-collision and anti-scouring device and method

Abstract

The application discloses an anti-collision and anti-scouring device and method, and relates to the technical field of water structure protection of traffic buildings, which comprises a main body module and a bottom sealing module. The bottom sealing module is sleeved outside the protected structure and is inserted into the riverbed for fixation. The main body module comprises an inner mold and an outer mold. The inner mold is sleeved outside the protected structure, and the outer mold is sleeved outside the inner mold. A pouring gap is arranged between the inner mold and the outer mold. The lower ends of the inner mold and the outer mold are fixedly connected with the upper end of the bottom sealing module and block the lower end of the pouring gap. The pouring gap is poured with an isolation protection layer. The inner mold and the protected structure are used for filling sand and gravel to form a sand and gravel protection layer. The application can effectively slow down the scouring effect of water flow on the water building engineering support device and can enhance the anti-impact capacity of the water building engineering support device.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of traffic building water structure protection, in particular to an anti-collision and anti-scouring device and method. BACKGROUND

[0002] Taking the bridge pier in bridge engineering as an example, the bridge pier in the prior art is mostly a gravity pier, a platform pier or a open-cut shallow foundation. These types of bridge piers have a commonality. On the one hand, the riverbed around the pier is obviously subjected to the scouring action of the water flow, thereby affecting the stability of the foundation and further affecting the stability of the superstructure of the bridge. On the other hand, the pier is easily damaged when subjected to the impact of boulders, ships and vehicles, and more seriously, the pier can cause the bridge to break. Not only in bridge engineering, but also in offshore platforms, river and sea wharfs and other water construction engineering, similar problems exist, and the traditional protection measures are mostly riprap scouring prevention method, enlarged pier foundation protection method and filled concrete mold bag protection method, etc., which have poor effect and great limitations. SUMMARY

[0003] The purpose of the present application is to provide an anti-collision and anti-scouring device and method to solve the problems existing in the prior art, which can effectively reduce the scouring action of the water flow on the support device of the water construction engineering and can strengthen the anti-impact capability of the support device of the water construction engineering.

[0004] To achieve the above purpose, the present application provides the following solutions:

[0005] The present application provides an anti-collision and anti-scouring device, which comprises a main body module and a bottom sealing module. The bottom sealing module is sleeved outside the protected structure and is inserted into the riverbed for fixation. The main body module comprises an inner mold and an outer mold. The inner mold is sleeved outside the protected structure, and the outer mold is sleeved outside the inner mold. A pouring gap is arranged between the inner mold and the outer mold. The lower ends of the inner mold and the outer mold are fixedly connected with the upper end of the bottom sealing module and the lower end of the pouring gap is sealed by the bottom sealing module. An isolation protection layer is poured in the pouring gap. The inner mold and the protected structure are filled with sand and gravel to form a sand and gravel protection layer.

[0006] Preferably, the inner mold comprises a plurality of inner mold segments connected in sequence in the vertical direction, and adjacent two inner mold segments are fixedly connected and sealed by bolts. The outer mold comprises a plurality of outer mold segments connected in sequence in the vertical direction, and adjacent two outer mold segments are fixedly connected and sealed by bolts. The bottommost inner mold segment and the bottommost outer mold segment are fixedly connected and sealed with the bottom sealing module by bolts, respectively.

[0007] Preferably, the inner mold segment comprises a plurality of inner mold splicing segments, each of which is spliced and sealingly connected in sequence around the protected structure to form the inner mold segment; the outer mold segment comprises a plurality of outer mold splicing segments, each of which is spliced and sealingly connected in sequence around the inner mold to form the outer mold segment.

[0008] Preferably, two adjacent inner mold splicing segments are hingedly connected; two adjacent outer mold splicing segments are hingedly connected.

[0009] Preferably, the inner mold and the outer mold are connected by transversely arranged positioning bolts.

[0010] Preferably, the isolation protection layer is an inorganic fiber concrete layer.

[0011] Preferably, longitudinal stiffening ribs are arranged on the outer side of the inner mold segment and the inner side of the outer mold segment, and transverse stiffening ribs are arranged on the inner side of both ends of the inner mold segment and the outer side of both ends of the outer mold segment.

[0012] Preferably, the main body module and the bottom sealing module are made of inorganic fiber resin composite material.

[0013] The application also provides an anti-collision and anti-scouring method, which adopts the anti-collision and anti-scouring device described above and comprises the following steps:

[0014] The shape and size of the anti-collision and anti-scouring device are determined according to the shape type of the protected structure, and the main body module and the bottom sealing module are made of inorganic fiber resin composite material.

[0015] After the manufacturing is completed, the bottom sealing module, the inner mold and the outer mold are installed, inorganic fiber concrete is poured between the inner mold and the outer mold to form the isolation protection layer, and gravel is backfilled between the inner mold and the protected structure to form a gravel protection layer.

[0016] Preferably, the main body module and the bottom sealing module are made of inorganic fiber resin composite material by mold pressing and heat curing process; vertical sinking guide piles are arranged between the inner mold and the backfilled gravel according to engineering practice, and the guide piles are inserted into the riverbed for fixation.

[0017] The application has the following technical effects relative to the prior art:

[0018] The anti-collision and anti-scouring device and method provided by the application separate the inner mold and the outer mold by pouring a separation protection layer, and the overall structure formed by the inner mold, the outer mold and the separation protection layer serves as a first anti-collision and anti-scouring protection layer, so that the water flow is separated from the protected structure, and the water flow does not directly scour the protected structure when passing through the protected structure, thereby relieving the damage of the water flow to the protected structure in the long-term use process. The sand and gravel protection layer is formed by filling sand and gravel between the inner mold and the protected structure, and the sand and gravel protection layer serves as a second anti-collision and anti-scouring protection layer to further protect the protected structure. The sand and gravel has excellent water guiding and energy dissipating effects, which can effectively reduce the scouring effect of the water flow on the protected structure. When subjected to external impact, the first anti-collision and anti-scouring protection layer first bears the impact force, and the second anti-collision and anti-scouring protection layer can absorb the impact energy caused by the external impact in the form of deformation, thereby avoiding direct damage to the protected structure to achieve the purpose of enhancing the anti-impact capability of the protected structure and reducing the influence of external violent impact on the protected structure. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0020] Figure 1 The cross-sectional structure schematic diagram of the anti-collision and anti-scouring device provided by the present application is shown in the figure.

[0021] Figure 2 The installation and application schematic diagram of the anti-collision and anti-scouring device provided by the present application is shown in the figure.

[0022] Figure 3 The schematic diagram of the bolt connection between the outer mold segments in the present application is shown in the figure.

[0023] Figure 4 The schematic diagram of the bolt connection between the inner mold segments in the present application is shown in the figure.

[0024] Figure 5 The schematic diagram of the hinge connection between the outer mold splicing segments in the present application is shown in the figure.

[0025] Figure 6 The schematic diagram of the hinge connection between the inner mold splicing segments in the present application is shown in the figure.

[0026] Figure 7 The flowchart of the anti-collision and anti-scouring method provided by the present application is shown in the figure.

[0027] In the diagram: 1-Main module, 2-Bottom sealing module, 3-Protected structure, 4-Inner mold, 5-Outer mold, 6-Isolation protective layer, 7-Gravel protective layer, 8-Inner mold segment, 9-Outer mold segment, 10-Positioning bolt, 11-Inner mold splicing segment, 12-Outer mold splicing segment, 13-Hinge hole, 14-Hinge shaft. Detailed Implementation

[0028] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0029] The purpose of this invention is to provide an anti-collision and anti-scouring device and method to solve the problems existing in the prior art, effectively reduce the scouring effect of water flow on the support device of the water-based construction project, and enhance the impact resistance of the support device of the water-based construction project.

[0030] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0031] like Figures 1-7 As shown, this embodiment provides an anti-collision and anti-scouring device, including a main body module 1 and a bottom sealing module 2. The bottom sealing module 2 is sleeved on the outside of the protected structure 3 and inserted into the riverbed for fixation. The main body module 1 includes an inner mold 4 and an outer mold 5. The inner mold 4 is sleeved on the outside of the protected structure 3, and the outer mold 5 is sleeved on the outside of the inner mold 4. A casting gap is provided between the inner mold 4 and the outer mold 5. The lower ends of the inner mold 4 and the outer mold 5 are fixedly connected to the upper end of the bottom sealing module 2 and the bottom sealing module 2 seals the lower end of the casting gap. An isolation protective layer 6 is cast in the casting gap. The space between the inner mold 4 and the protected structure 3 is used to fill gravel to form a gravel protective layer 7.

[0032] The shape and size of the anti-collision and anti-scour device are determined according to the shape type of the protected structure 3, and the main body module 1 and the bottom sealing module 2 are made of inorganic fiber resin composite material; after being made, the bottom sealing module 2, the inner mold 4 and the outer mold 5 are installed, the inorganic fiber concrete is poured between the inner mold 4 and the outer mold 5 to form the isolation protection layer 6, and the gravel protection layer 7 is backfilled between the inner mold 4 and the protected structure 3. The overall structure formed by the inner mold 4, the outer mold 5 and the isolation protection layer 6 is used as the first anti-collision and anti-scour protection layer, which separates the water flow from the protected structure 3, and the water flow does not directly cause scouring to the protected structure 3 when passing through the protected structure 3, thereby relieving the damage to the protected structure 3 caused by the scouring of the water flow in the long-term use process. The gravel protection layer 7 is used as the second anti-collision and anti-scour protection layer to further protect the protected structure 3. The gravel has excellent water guiding and energy dissipating effects, which can effectively reduce the scouring effect of the water flow on the protected structure 3. When impacted by the outside, the first anti-collision and anti-scour protection layer can first bear the impact force, and the second anti-collision and anti-scour protection layer can absorb the impact energy caused by the outside in the form of deformation, thereby avoiding direct damage to the protected structure 3 to achieve the purpose of enhancing the anti-impact ability of the protected structure 3 and reducing the influence of the intense impact of the outside on the protected structure 3. At the same time, the device and the gravity of the backfilled gravel can also automatically close the riverbed base of the protected range, thereby playing a role in preventing the base from being scoured.

[0033] In the embodiment, the inner mold 4 includes a plurality of inner mold segments 8 connected in sequence in the vertical direction, and adjacent two inner mold segments 8 are fixedly connected and sealed by bolts. The outer mold 5 includes a plurality of outer mold segments 9 connected in sequence in the vertical direction, and adjacent two outer mold segments 9 are fixedly connected and sealed by bolts. The bottommost inner mold segment 8 and the bottommost outer mold segment 9 are fixedly connected and sealed with the bottom sealing module 2 by bolts. The overall sealing property of the inner mold 4 and the outer mold 5 is ensured, the water flow is separated from the protected structure 3, and the water flow is prevented from directly acting on the protected structure 3.

[0034] In the embodiment, the inner mold segment 8 includes a plurality of inner mold splicing segments 11, each inner mold splicing segment 11 is spliced and sealed in sequence around the protected structure 3 to form the inner mold segment 8. The outer mold segment 9 includes a plurality of outer mold splicing segments 12, each outer mold splicing segment 12 is spliced and sealed in sequence around the inner mold 4 to form the outer mold segment 9. After splicing, a composite material bandage is used to strengthen the flatness and stability of the connection between the segments. For the gaps between the components, a composite material sealant is used for filling to ensure the overall sealing property of the device, thereby preventing the water flow from directly contacting the protected structure 3. The longitudinal (vertical direction) length of the inner mold splicing segment 11 and the outer mold splicing segment 12 is 100-500 cm, and the transverse (horizontal direction) width is 50-300 cm or 1 / 4 of a circle.

[0035] In this embodiment, the two adjacent inner mold segments 11 are hingedly connected; the two adjacent outer mold segments 12 are hingedly connected. A hinged hole 13 can be provided at one end of the joint, and a hinged shaft 14 is provided at the other end, the hinged shaft 14 is inserted into the hinged hole 13, realizing the hinged connection of the two.

[0036] In this embodiment, the inner mold 4 and the outer mold 5 are connected by the transversely arranged positioning bolt 10.

[0037] In this embodiment, the isolation protection layer 6 is an inorganic fiber concrete layer. Inorganic fiber concrete has stronger wear resistance and impact resistance than ordinary concrete.

[0038] In this embodiment, longitudinal stiffening ribs are arranged on the outer side of the inner mold segment 8 and the inner side of the outer mold segment 9, and transverse stiffening ribs are arranged on the inner side of both ends of the inner mold segment 8 and the outer side of both ends of the outer mold segment 9. The inner side of the outer mold segment 9 is provided with 1-3 cm longitudinal stiffness stiffening ribs every 30-50 cm, and the upper and lower ends are provided with 2-4 cm transverse stiffening ribs. The outer side of the inner mold segment 8 is provided with 1-3 cm longitudinal stiffness stiffening ribs every 30-50 cm, and the inner side of the upper and lower ends is provided with 2-4 cm transverse stiffening ribs; the bottom sealing module 2 adopts a double-layer module, and the bottom sealing module 2 is circumferentially composed of multiple segments, and the two adjacent segments are hingedly connected to facilitate installation; the longitudinal length of the bottom sealing module 2 is 30-50 cm, the transverse width is consistent with the main body module 1, and the top is a transverse connection stiffening plate; the transverse stiffening ribs are provided with connecting bolt holes every 30 cm for use in bolt connection of the upper and lower segments; wherein, the inner mold segment 8 and the outer mold segment 9 are arranged in pairs, the height of each pair of inner mold segment 8 and outer mold segment 9 is equal, and the upper end of each pair of inner mold segment 8 and outer mold segment 9 is provided with a positioning hole for positioning bolt 10 to connect the inner and outer molds.

[0039] The device adopts the hinged connection of the inner mold segment 11, the hinged connection of the outer mold segment 12, the segment stiffening rib reserved screw hole bolt connection between the inner mold segment 8 and the outer mold segment 9, and the bolt positioning connection between the inner and outer molds, which can flexibly assemble the device to the designed shape.

[0040] In this embodiment, the main module 1 and the bottom sealing module 2 are made of inorganic fiber resin composite material. In order to meet the individual requirements of the protected structure in different geographical features, different use functions, different shapes, different materials, and considering the increased cost of using the device, the main module 1 and the bottom sealing module 2 are made of inorganic fiber composite material by molding and heat curing process, which can realize complete automation in the production process. Not only there is no waste in the production process, but also no secondary processing is needed. The process is simple, the production cost is low and the efficiency is high. At the same time, the length of the product made by this process can be cut arbitrarily and the horizontal and vertical strength of the device can be adjusted according to the actual engineering. In this way, the requirements of different use requirements, different geographical features, different shapes, different materials and different mechanical properties of the device are met. The inorganic fiber resin composite material factory molding and heat curing process has the characteristics of high strength, acid resistance, alkali resistance, salt resistance and is not easy to be corroded by external harmful environment.

[0041] The device and the backfilling sand together form a protection whole, which can effectively resist the impact of water vehicles and other drifting objects, avoid damage to the protected body caused by water flow or sea wave erosion during use, and strengthen the anti-impact ability and overall rigidity of the protected body. The device has simple manufacturing process, high manufacturing efficiency and low cost, and can be used for protection work of new projects and supplement for maintenance work of existing projects. When the device is applied to new projects, the device and the protected steel pipe pile are manufactured together in the factory; when the device is applied to in-service operation projects, the device is assembled on site and then casted on site.

[0042] A kind of anti-collision and anti-scouring method, using the anti-collision and anti-scouring device described above, comprising the following steps:

[0043] According to the shape type of the protected structure 3, the shape and size of the anti-collision and anti-scouring device are determined, and the main module 1 and the bottom sealing module 2 are made of inorganic fiber resin composite material.

[0044] After manufacturing, install the bottom sealing module 2, the inner mold 4 and the outer mold 5, pour inorganic fiber concrete between the inner mold 4 and the outer mold 5 to form an isolation protection layer 6, and backfill sand in the inner mold 4 and the protected structure 3 to form a sand protection layer 7.

[0045] To strengthen the force bearing and stability of the device, a guide rail frame is pre-buried in the backfilling sand, and the guide rail frame is inserted into the riverbed for fixation.

[0046] In this embodiment, the main module 1 and the bottom sealing module 2 are made of inorganic fiber resin composite material by molding and heat curing process; according to the actual engineering, a vertical sinking guide pile is arranged between the inner mold 4 and the backfilling sand, and the guide pile is inserted into the riverbed for fixation.

[0047] The principles and implementation manners of the present application are described by using specific examples in the present application, and the above examples are only used for helping to understand the method of the present application and its core idea; meanwhile, for the general technical personnel in the art, according to the idea of the present application, the specific implementation manners and application ranges will be changed. In conclusion, the content of the present specification should not be understood as the limitation of the present application.

Claims

1. An anti-collision and anti-scouring device, characterized in that: The device comprises a main body module and a bottom sealing module, the bottom sealing module is sleeved outside the protected structure and is inserted into the riverbed for fixation, the main body module comprises an inner mold and an outer mold, the inner mold is sleeved outside the protected structure, the outer mold is sleeved outside the inner mold, a pouring gap is arranged between the inner mold and the outer mold, the lower ends of the inner mold and the outer mold are fixedly connected with the upper end of the bottom sealing module and the lower end of the pouring gap is sealed by the bottom sealing module, the pouring gap is poured with an isolation protective layer, and the inner mold and the protected structure are filled with sand and gravel to form a sand and gravel protective layer; The inner mold comprises a plurality of inner mold segments connected in sequence in the vertical direction, and adjacent two inner mold segments are fixedly connected and sealed by bolts; the outer mold comprises a plurality of outer mold segments connected in sequence in the vertical direction, and adjacent two outer mold segments are fixedly connected and sealed by bolts; the bottommost inner mold segment and the bottommost outer mold segment are fixedly connected and sealed with the bottom sealing module by bolts respectively; The inner mold segment comprises a plurality of inner mold splicing segments, and each inner mold splicing segment is spliced and sealed in sequence around the protected structure to form the inner mold segment; the outer mold segment comprises a plurality of outer mold splicing segments, and each outer mold splicing segment is spliced and sealed in sequence around the inner mold to form the outer mold segment; Adjacent two inner mold splicing segments are hingedly connected; adjacent two outer mold splicing segments are hingedly connected; The inner mold and the outer mold are connected by transversely arranged positioning bolts.

2. The anti-collision and anti-scouring device according to claim 1, characterized in that: The isolation protective layer is an inorganic fiber concrete layer.

3. The anti-collision and anti-scouring device according to claim 1, characterized in that: Longitudinal stiffening ribs are arranged on the outer side of the inner mold segment and the inner side of the outer mold segment, and transverse stiffening ribs are arranged on the inner side of the two ends of the inner mold segment and the outer side of the two ends of the outer mold segment.

4. The anti-collision and anti-washing device according to claim 1, characterized in that: The main body module and the bottom sealing module are made of inorganic fiber resin composite material.

5. A method of anti-collision and anti-erosion, characterized in that, The anti-collision and anti-scouring device of any one of claims 1-4 comprises the following steps: The shape and size of the anti-collision and anti-scouring device are determined according to the shape type of the protected structure, and the main body module and the bottom sealing module are made of inorganic fiber resin composite material; After the fabrication is completed, the bottom sealing module, the inner mold and the outer mold are installed, inorganic fiber concrete is poured between the inner mold and the outer mold to form the isolation protective layer, and sand and gravel are backfilled between the inner mold and the protected structure to form the sand and gravel protective layer.

6. The method of crash avoidance and wash-off prevention of claim 5, wherein: The main body module and the bottom sealing module are made of inorganic fiber resin composite material by mold pressing and heat curing process; vertical sinking guide piles are arranged between the inner mold and the backfilled sand and gravel according to the actual engineering, and the guide piles are inserted into the riverbed for fixation.

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