A square pier of glass fiber sleeve reinforcement structure

Abstract

The application discloses a kind of glass fiber sleeve reinforcing structures of square pier, belong to pier reinforcing structure technical field, compared with ordinary glass fiber sleeve, by pre-installing frame body, the way of installing glass fiber plate, can avoid glass fiber plate from falling and damaging due to not being fixed when installing, the edge of glass fiber plate is fixed by frame body, ensure that the flatness and position accuracy of four glass fiber plates when installing, when forming square frame-shaped sleeve, the included angle of each glass fiber plate is 90 °, will not produce skew or the case that each inner side of glass fiber sleeve is not fixed from square pier distance, can form square sleeve balanced from square pier distance, distance balanced, square sleeve of structure square is more convenient for the pouring of slurry and the solidification of whole.

Description

Technical Field

[0001] This invention belongs to the technical field of bridge pier reinforcement structure, specifically relating to a glass fiber sleeve reinforcement structure for square bridge piers. Background Technology

[0002] Bridge piers are crucial components supporting the bridge deck. Typically located in open mountainous areas or water, they are susceptible to structural problems such as cracks and surface breakage due to impacts from strong winds and water currents. To repair the pier surface and prevent further damage, a fiberglass sleeve can be installed on the outside of the pier. Epoxy grout is then poured between the sleeve and the pier. After the grout solidifies, the fiberglass sleeve acts as a new surface for the pier, protecting it. Fiberglass sleeves are corrosion-resistant and have strong adhesive properties, making this a highly effective pier repair structure.

[0003] When dealing with square bridge piers, the fiberglass sleeves should also be square in shape. Compared to cylindrical sleeves, square sleeves have more connecting edges, which makes it easy for unsecured fiberglass sheets to fall off during the work around the pier. This can lead to the fiberglass sheets being washed away by water or broken. Furthermore, due to the low hardness of fiberglass sheets, it is not easy to form a square sleeve with an even distance from the square bridge pier during the process of wrapping. This brings many inconveniences to the pouring operation and prolongs the construction period. In addition, due to the irregular shape of the square bridge pier, the pouring gap is too narrow, resulting in incomplete pouring and many internal voids after solidification, which reduces the structural compactness of the sleeve. Summary of the Invention

[0004] In view of this, the purpose of the present invention is to provide a fiberglass sleeve reinforcement structure for square bridge piers, and to provide a structure for quickly assembling fiberglass sleeves for square bridge piers, thereby reducing the construction period.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] The present invention includes a square frame base that matches a square bridge pier. The square frame base is composed of two L-shaped plates joined end to end. Each upper edge of the square frame base is hinged with a sealing strip. Two clamping rods are vertically fixed to both ends of the sealing strip. The clamping rods have grooves on opposite sides, and a fiberglass board is clamped in the two opposite grooves. The invention also includes a tightening device, which includes a motor and a winding roller driven by the motor. Steel wire is wound on the winding roller and connected to the free end of the clamping rod. The tightening device is fixed to the top side of the square bridge pier.

[0007] Furthermore, it also includes four rope frames, which are fixed to the top four corners of the square pier by screws. The rope frames have cross rope channels, through which the steel wire passes and extends to the take-up roller. The clamping rod retracts and abuts against the side of the rope frame, so that the clamping rod is perpendicular to the horizontal plane.

[0008] Furthermore, it also includes an airbag ring, which surrounds the square pier. The airbag is placed on the upper side of the square frame base. A pressure plate is provided on the inner side of the seal. As the seal rotates, the pressure plate presses on the upper side of the airbag.

[0009] Furthermore, it also includes a casting frame, which includes a slide rail, a frame base, a funnel, and several drain pipes. The slide rail is fixed to the top of the square pier, the frame base slides on the slide rail, the funnel is fixed on the frame base, and several drain pipes are connected to the lower end of the funnel. The outlets of the drain pipes are distributed sequentially from top to bottom. Several inlets are opened on the side of the fiberglass board, and a fiberglass baffle is hinged to the upper side of the inlet. The moving direction of the frame base is towards the inlet.

[0010] Furthermore, there are two sets of casting frames, which are symmetrically arranged on both sides of the square pier.

[0011] Furthermore, each of the casting frames includes two slide rails, and the frame base is simultaneously slidably mounted on the two slide rails. A back plate is fixedly connected to the ends of the two slide rails. A threaded post is threadedly connected to the back plate. A push plate is fixedly connected to one end of the threaded post, and a rotating handle is fixedly connected to the other end. The push plate abuts against the side of the frame base.

[0012] Furthermore, the drain pipe has a rectangular cross-section, extends obliquely downwards, has an outlet facing downwards, and has an inlet that matches the shape of the drain pipe.

[0013] Furthermore, a sealing plate with an area larger than the glass fiber baffle is fixed to the back side of the glass fiber baffle.

[0014] The beneficial effects of this invention are as follows:

[0015] Compared to ordinary fiberglass sleeves, this invention, by pre-installing a frame before installing the fiberglass panels, avoids the fiberglass panels falling or being damaged during installation due to lack of fixation. The frame fixes the edges of the fiberglass panels, ensuring the flatness and accurate positioning of the four fiberglass panels during installation. When forming a square frame sleeve, the included angle of each fiberglass panel is 90°, preventing skewing or inconsistent distances between the inner sides of the fiberglass sleeve and the square pier. This results in a square sleeve with a balanced distance from the square pier. The evenly spaced and square structure of the square sleeve facilitates the pouring of grout and overall solidification.

[0016] Other advantages, objectives, and features of the invention will be set forth in the following description and will be apparent to those skilled in the art in some respects, or may be learned by practice of the invention. The objectives and other advantages of the invention can be realized and obtained through the following description. Attached Figure Description

[0017] To make the objectives, technical solutions, and beneficial effects of this invention clearer, the following figures are provided for illustration:

[0018] Figure 1 This is an overall schematic diagram of the glass fiber sleeve reinforcement structure according to an embodiment of the present invention;

[0019] Figure 2 This is a detailed schematic diagram of the frame base of an embodiment of the present invention;

[0020] Figure 3 This is an unfolded view of the installation of a glass fiber board according to an embodiment of the present invention;

[0021] Figure 4 for Figure 3 Enlarged schematic diagram of A

[0022] Figure 5 This is a schematic diagram of the tightening device according to an embodiment of the present invention;

[0023] Figure 6 This is a detailed schematic diagram of the rope frame position according to an embodiment of the present invention;

[0024] Figure 7 This is a cross-sectional view of the rope frame according to an embodiment of the present invention;

[0025] Figure 8 This is a cross-sectional view of the airbag ring in an embodiment of the present invention;

[0026] Figure 9 This is a schematic diagram of the glass fiber baffle in an embodiment of the present invention;

[0027] Figure 10 This is a cross-sectional view of the entrance in an embodiment of the present invention;

[0028] The following are marked in the attached diagram: 1. Square pier; 2. Square frame base; 21. L-shaped plate; 31. Sealing strip; 32. Clamping rod; 321. Clamping groove; 33. Fiberglass board; 331. Entrance; 332. Fiberglass baffle; 333. Pressure plate; 34. Rope frame; 341. Cross rope track; 35. Sealing plate; 4. Tightening device; 41. Motor; 42. Rewinding roller; 43. Steel wire; 5. Airbag ring; 6. Pouring frame; 61. Slide rail; 62. Frame base; 63. Funnel; 64. Downflow pipe; 65. Back plate; 66. Threaded column; 67. Push plate; 68. Rotating handle. Detailed Implementation

[0029] like Figures 1-10 As shown, this invention discloses a fiberglass sleeve reinforcement structure for a square bridge pier 1, as referenced. Figure 1 This includes a rectangular frame base 2 that matches the rectangular pier 1. The rectangular frame base 2 is fixed to the rectangular pier 1 by screws or steel nails, such as... Figure 2 As shown, the rectangular base frame 2 is composed of two L-shaped plates 21 joined end to end, which facilitates fixing the rectangular base frame 2 to the required position on the square pier 1, such as... Figure 3 , Figure 4 and Figure 6 As shown, each upper edge of the rectangular frame 2 is hinged with a sealing strip 31. Two clamping rods 32 are vertically fixed to both ends of the sealing strip 31. The clamping rods 32 have slots 321 on opposite sides, and a fiberglass board 33 is secured in each of the two opposing slots 321. The clamping rods 32 at both ends of each sealing strip 31 are parallel to each other. The hinge between the sealing strip 31 and the rectangular frame 2 can also be configured as a detachable snap-fit ​​hinge, facilitating the installation of the entire frame. The four fiberglass boards 33 have the same height, and their width is within the range of the slots 321. The distances are the same, and the installation of each fiberglass board 33 on the outside of the square pier 1 can be completed by directly inserting the fiberglass board 33 from the upper end of the clamp 32. It also includes a tightening device 4, which includes a motor 41 and a winding roller 42 driven by the motor 41. The winding roller 42 is wound with steel wire 43, which is connected to the free end of the clamp 32. The tightening device 4 is fixed to the top side of the square pier 1. The motor 41 drives the winding roller 42 to rotate, and the winding roller 42 retracts the steel wire 43.

[0030] This reinforcement structure improves the installation method of the fiberglass sleeve. The fiberglass sleeve of the ordinary square pier 1 is installed in a wrap-around manner, by vertically wrapping each fiberglass board 33 around the four sides of the square pier 1 and then fixing it directly with fixing strips. However, the installation method of the fiberglass board 33 in this reinforcement structure is to first set up a square frame base 2, and then set up four fiberglass boards 33 hinged to the square frame base 2. The fiberglass board 33 is clamped by two vertical clamping rods 32 and suspended by steel wires 43, so that the clamping rods 32 are pre-positioned at an angle. When the fiberglass board 33 is put in, the fiberglass board 33 slowly slides into the clamping rods 32 and finally abuts against the sealing strip 31. Then, the steel wires 43 are retracted by the tightening device 4, so that the clamped fiberglass board 33 rotates into a vertical state, and the adjacent clamping rods 32 abut against each other to form a square fiberglass sleeve. Compared to ordinary fiberglass sleeves, this structure, by pre-installing the frame before installing the fiberglass panels 33, avoids the fiberglass panels 33 from falling or being damaged due to lack of fixation during installation. The frame fixes the edges of the fiberglass panels 33, ensuring the flatness and accurate positioning of the four fiberglass panels 33 during installation. When forming a square frame sleeve, the included angle of each fiberglass panel 33 is 90°, preventing skewing or inconsistent distances between the inner sides of the fiberglass sleeve and the square pier 1. This results in a square sleeve with a balanced distance from the square pier 1. The evenly spaced and square structure of the square sleeve facilitates the pouring of grout and overall solidification.

[0031] A further embodiment also includes four rope frames 34, the structure of which is referenced. Figure 6 and Figure 7 The rope frame 34 is fixed to the top four corners of the square pier 1 with screws. A cross-shaped rope path 341 is provided on the rope frame 34. The steel wire 43 passes through the cross-shaped rope path 341 and extends to the take-up roller 42. The clamping rod 32 retracts and abuts against the side of the rope frame 34, making the clamping rod 32 perpendicular to the horizontal plane. For details on the extension method of the steel wire 43, please refer to [reference needed]. Figure 3 The entire reinforcement structure has a tightening device 4. The eight steel wires 43 are distributed along the four rope frames 34, pass through the cross rope channel 341, and are finally collected by a collecting device. Through the synchronous tightening of the tightening device 4, the four inclined glass fiber boards 33 can be quickly rotated to be vertical. The head end of the rope frame 34 is square, and the clamping rod 32 abuts against the outside of the rope frame 34, which can make the four glass fiber boards 33 perpendicular to the horizontal plane. The rope frame 34 can guide and support the steel wires 43, preventing the steel wires 43 from scratching and interfering with other components and piers. The rope frame 34 also serves as the support point at the upper end of the clamping rod 32, ensuring the verticality of the glass fiber boards 33.

[0032] In further proposals, such as Figure 4 and Figure 5As shown, it also includes an airbag ring 5, which surrounds the square pier 1. The airbag is placed on the upper side of the square frame base 2. A pressure plate 333 is provided on the inner side of the sealing strip 31. As the sealing strip 31 rotates, the pressure plate 333 presses on the upper side of the airbag, pressing the airbag down through the pressure plate 333. The surfaces of the airbag are attached to the lower side of the pressure plate 333, the outer side of the pier, the inner side of the sealing strip 31, and the upper side of the directional frame. Both the airbag and the pressure plate 333 can seal the bottom end of the glass fiber sleeve, preventing the slurry from flowing out from the gap before it solidifies.

[0033] A further proposed solution also includes a casting frame 6, for reference. Figure 1 The pouring frame 6 is installed after the fiberglass sleeve is installed. The pouring frame 6 includes a slide rail 61, a frame base 62, a funnel 63, and several drain pipes 64. The slide rail 61 is fixed to the top of the square pier 1 and can be installed through the support frame. The tightening device 4 can also be fixedly hung on the support frame. There are two slide rails 61, which are arranged in parallel. The frame base 62 slides on both slide rails 61. The funnel 63 is fixed on the frame base 62. Several drain pipes 64 are connected to the lower end of the funnel 63. The outlets of the drain pipes 64 are distributed from top to bottom. The drain pipes 64 have a rectangular cross-section and extend obliquely downwards. The outlets of the drain pipes 64 are set downwards. Several rectangular inlets 331 matching the drain pipes 64 are opened on the side of the fiberglass board 33. Fiberglass baffles 332 are hinged to the upper side of the inlets 331. Figure 9 As shown, the glass limiting baffle hinged to the fiberglass board 33 can be a single piece of the fiberglass board 33, that is, a U-shaped slit can be directly opened on the fiberglass board 33 to form the hinged fiberglass baffle 332. The hinge line of the fiberglass board 33 is on the upper side, and the moving direction of the bracket 62 is towards the inlet 331. Figure 10 As shown, the support 62 moves along the slide rail 61, extending the outlet of the drain pipe 64 into the inlet 331 of the fiberglass board 33. The drain pipe pushes open the fiberglass baffle 332, and the outlet is located inside the fiberglass board 33. This structure of the casting frame and the fiberglass board 33 is used to ensure rapid grouting of the fiberglass sleeve. Compared with the method of pouring directly from the top of the sleeve, this method is a multi-layer simultaneous pouring method. Ordinary single-layer pouring is prone to causing the grout to block the upper section of the sleeve, and due to the slow flow and high viscosity, it is easy to cause blockage and voids after solidification. The multi-layer pouring method can improve the pouring speed while avoiding voids caused by grout filling, ensuring the compactness of the sleeve after solidification. The number of pouring layers is determined by the height of the square sleeve.

[0034] In a further embodiment, a back plate 65 is fixedly connected to the ends of both slide rails 61. A threaded post 66 is threadedly connected to the back plate 65. A push plate 67 is fixedly connected to one end of the threaded post 66, and a rotating handle 68 is fixedly connected to the other end. The push plate 67 abuts against the side of the frame 62. By rotating the rotating handle 68, the threaded post 66 pushes against the push plate 67 and pushes the frame 62 forward, so that the drain pipe 64 extends into the inlet 331 without moving out.

[0035] In a further proposed solution, refer to Figure 10 A sealing plate 35 with an area larger than the glass fiber baffle 332 is fixed on the back side of the glass fiber baffle 332. After the pouring is completed, the slurry pushes the glass fiber baffle 332 to rotate, and the sealing plate 35 can seal the inlet 331 under pressure to prevent the slurry from flowing out.

[0036] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made to it in form and detail without departing from the scope defined by the claims of the present invention.

Claims

1. A fiberglass sleeve reinforcement structure for square bridge piers, characterized in that: The system includes a rectangular frame base (2) that matches the rectangular pier (1). The rectangular frame base (2) is composed of two L-shaped plates (21) joined end to end. Each upper edge of the rectangular frame base (2) is hinged with a sealing strip (31). Two clamping rods (32) are vertically fixed at both ends of the sealing strip (31). The clamping rods (32) have grooves (321) on opposite sides. A fiberglass board (33) is clamped in the two opposite grooves (321). The system also includes a tightening device (4). The tightening device (4) includes a motor (41) and a winding roller (42) driven by the motor (41). A steel wire (43) is wound on the winding roller (42). The steel wire (43) is connected to the clamping rods (32). At the free end, the tightening device (4) is fixed to the top side of the square pier (1); it also includes four rope frames (34), which are fixed to the four corners of the top of the square pier (1) by screws. The rope frames (34) have cross rope channels (341) on them. The steel wire (43) passes through the cross rope channels (341) and extends to the take-up roller (42). The clamp (32) retracts and abuts against the side of the rope frame (34), so that the clamp (32) is perpendicular to the horizontal plane; it also includes an airbag ring (5), which is arranged around the square pier (1). The airbag is placed on the upper side of the square frame base (2). A pressure plate (333) is provided on the inner side of the seal (31). As the seal (31) rotates, the pressure plate (333) presses against the upper side of the airbag; it also includes a casting frame (6), which includes a slide rail (61), a frame base (62), a funnel (63), and several drain pipes (64). The slide rail (61) is fixed to the top of the square pier (1), the frame base (62) slides on the slide rail (61), the funnel (63) is fixed on the frame base (62), and several drain pipes (64) are connected to the lower end of the funnel (63). The outlets of the drain pipes (64) are distributed from top to bottom. Several inlets (331) are opened on the side of the fiberglass board (33), and the upper side of the inlets (331) A glass fiber baffle (332) is hinged to the frame (62), and the moving direction of the frame (62) is towards the entrance (331); there are two sets of the casting frame (6), and the two sets of the casting frame (6) are symmetrically arranged on both sides of the square pier (1); each set of the casting frame (6) includes two slide rails (61), and the frame (62) slides on the two slide rails (61) at the same time. A back plate (65) is fixed to the end of the two slide rails (61), and a threaded post (66) is threadedly connected to the back plate (65). A push plate (67) is fixed to one end of the threaded post (66), and a rotating handle (68) is fixed to the other end. The push plate (67) abuts against the side of the frame (62).

2. The fiberglass sleeve reinforcement structure for square bridge piers according to claim 1, characterized in that: The drain pipe (64) has a rectangular cross-section and extends obliquely downward. The outlet of the drain pipe (64) is set downward, and the inlet (331) is rectangular and matches the drain pipe (64).

3. The fiberglass sleeve reinforcement structure for square bridge piers according to claim 1, characterized in that: A sealing plate (35) with an area larger than that of the glass fiber baffle (332) is fixed to the back side of the glass fiber baffle (332).

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