Hollow pier capping structure for high and large aqueduct in deep water area

Abstract

The utility model relates to the technical field of hollow pier capping, and discloses a deepwater area tall aqueduct hollow pier capping structure which comprises a hollow pier body, a solid base and a capping structure body, and the capping structure body comprises arc-shaped steel plates embedded in the two sides of the interior of the hollow pier body. According to the hollow pier capping structure for the high and large aqueduct in the deep water area, the structure is simple, construction is convenient, the capping plates and the positioning bolts are adopted for connection, a complex supporting system does not need to be built, the construction speed is high, the construction difficulty is low, and the hollow pier capping structure is particularly suitable for construction in the deep water area; the arc-shaped steel plates and the steel sleeves can effectively disperse stress at the connecting positions of the top sealing plates and the hollow pier body, the overall stability of the structure is improved, the top sealing plates can achieve industrialized production and controllable quality, water flow erosion is effectively prevented through the waterproof concrete, the durability of the structure is improved, and compared with a traditional top sealing structure, the structure is more stable. The structure further has the effect of being convenient to disassemble and assemble and is more practical.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of hollow pier capping, in particular to a deep-water high and large aqueduct hollow pier capping structure. BACKGROUND

[0002] With the continuous development of social economy, water conservancy construction also presents a rapid development trend. As the engineering standards are continuously improved, the requirements of engineering construction are higher and higher. In order to better meet the requirements of engineering progress and quality, the improvement of the construction technology of the internal structure of the engineering is particularly important. Taking the aqueduct as an example, a pier column is arranged under each span of the aqueduct as a supporting structure. When the aqueduct is located in an area with low terrain, the foundation is poor, and the designed pier column needs to be higher, and when the height exceeds 10 meters, a hollow pier design needs to be used.

[0003] The existing patent (publication number: CN210827134U) discloses a hollow pier capping structure, in particular to a hollow pier formwork capping structure applied to the hollow part of a hollow pier of a highway bridge and an aqueduct supporting structure, which comprises a capping formwork, capping steel bars and a joint sealing structure. The capping formwork is a spliced combined formwork, which comprises a rectangular wooden formwork and a semicircular wooden formwork spliced from the edges. The rectangular wooden formwork is provided with a slot on the spliced side surface, and the semicircular wooden formwork is provided with a flange matched with the slot on the spliced side surface. The flange and the slot are connected in a nested joint. The capping steel bars are installed at the concrete part of the top of the hollow pier and are fixedly connected with the concrete by horizontal embedding installation. The capping steel bars are installed below the capping formwork to parallelly support the capping formwork. The wooden formwork is used for capping, the concrete of the hollow pier is poured at one time, the pier body structure is more complete, the concrete joints are reduced, the wooden formwork can be conveniently disassembled, the working time of the construction personnel at high places is reduced, and high construction safety is ensured.

[0004] The structure in the above-mentioned comparative document has the effect of convenient disassembly, but the stress dispersion capacity and the overall stability of the structure need to be improved. In order to solve the above-mentioned problems, a deep-water high and large aqueduct hollow pier capping structure is provided. CONTENT OF THE UTILITY MODEL

[0005] In view of the defects of the prior art, the application provides a deep-water high and large aqueduct hollow pier capping structure, which adopts a relatively simple structure, improves the stress performance and durability, and is more practical.

[0006] To achieve the above object, the application provides the following technical scheme: a high and large aqueduct hollow pier capping structure in deep water area, comprising a hollow pier body, a solid base and a capping structure, the capping structure comprises two arc-shaped steel plates embedded in the inside of the hollow pier body, the top of each arc-shaped steel plate is provided with a plurality of first reserved holes, the inner wall of each first reserved hole is provided with a second reserved hole, the inner wall of each second reserved hole is provided with a threaded groove, the upper side of the hollow pier body is provided with a capping plate, the bottom surface of the capping plate is provided with two arc-shaped grooves, the inner wall of each arc-shaped groove is fixedly connected with a plurality of steel sleeves, the inner wall of each steel sleeve is threadedly connected with a positioning bolt, the bottom of the positioning bolt is threadedly connected with the threaded groove, and the top of the positioning bolt is provided with a locking nut.

[0007] Through the above scheme, the structure is simple and convenient to construct, the capping plate and the positioning bolt are connected, a complex support system does not need to be built, the construction speed is fast, the difficulty is low, it is especially suitable for deep water area construction, the arc-shaped steel plates and the steel sleeves can effectively disperse the stress at the connection between the capping plate and the hollow pier body, the overall stability of the structure is improved, the capping plate can be factory-produced, the quality is controllable, the waterproof concrete is arranged to effectively prevent water erosion, the durability of the structure is improved, and compared with a traditional capping structure, the structure also has the effect of convenient disassembly and assembly, and is more practical.

[0008] Further, the solid base is fixedly connected to the bottom of the hollow pier body, and the bottoms of the two arc-shaped steel plates are embedded in the inside of the solid base.

[0009] Through the above scheme, the distribution of the arc-shaped steel plates is optimized, so that the stability of the arc-shaped steel plates is improved.

[0010] Further, the size value of the arc-shaped groove corresponds to the size value of the arc-shaped steel plate, and waterproof concrete is poured between the steel sleeve and the positioning bolt.

[0011] Through the above scheme, the filled waterproof concrete can tightly combine the capping plate and the top of the hollow pier body, the integrity of the structure is improved, the probability of penetration is reduced, and the durability of the capping structure is improved.

[0012] Further, the bottom surface of the capping plate is fixedly connected with a counterweight.

[0013] Through the above scheme, the arranged counterweight can enhance the sinking stability of the hollow pier body, and ensure that the structure does not float.

[0014] Further, the bottom surface of the capping plate is fixedly connected with an outer shell and an inner shell, the inner side of the outer shell is fixedly connected with a first sealing rubber gasket, and the outer side of the inner shell is fixedly connected with an inner shell.

[0015] Through the above scheme, the effect after the installation of the capping plate can be optimized, and it is more practical.

[0016] Further, the shell, the first sealant, the inner shell and the second sealant are all adapted to the thickness of the hollow pier body.

[0017] Through the above scheme, the sealing performance of the capping plate installed on the top of the hollow pier body can be improved, the probability of water flowing into the hollow pier body through the connection between the capping plate and the hollow pier body is reduced, and structural damage caused by water pressure difference is avoided.

[0018] Further, the two sides of the inner wall of the capping plate are embedded with air pipes, and the top end of each air pipe is provided with a one-way valve.

[0019] Through the above scheme, the air pipe and the one-way valve cooperate with each other to balance the internal and external pressure, avoid damage to the capping structure due to excessive pressure, improve the safety of the capping structure, and enhance the durability of the capping structure, and is particularly suitable for capping engineering of high and large hollow pier of the deep water area.

[0020] Further, the upper surface of the capping plate is provided with a detachable lifting ring.

[0021] Through the above scheme, the lifting ring can conveniently lift and transport the capping plate, thereby facilitating the installation of the capping plate.

[0022] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:

[0023] The deep water area high and large hollow pier capping structure has the advantages of simple structure, convenient construction, connection by the capping plate and the positioning bolt, no need to build a complex support system, fast construction speed, low difficulty, particularly suitable for deep water area construction, the arc-shaped steel plate and the steel sleeve can effectively disperse the stress at the connection between the capping plate and the hollow pier body, improve the overall stability of the structure, and the capping plate can be factory-produced, the quality is controllable, the waterproof concrete effectively prevents water erosion, improves the structural durability, and compared with the traditional capping structure, the structure also has the effect of convenient disassembly, and is more practical. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is a schematic view of the overall top view structure of the structure of the present application;

[0025] Figure 2 is a schematic view of the local top view structure of the structure of the present application;

[0026] Figure 3 is a schematic view of the local top view structure of the structure of the present application;

[0027] Figure 4It is a partial elevation view of the structure of the present application;

[0028] Figure 5 It is a steel sleeve structure schematic diagram of the structure of the present application;

[0029] Figure 6 It is a partial sectional plane structure schematic diagram of the structure of the present application.

[0030] In the figure:

[0031] 1, hollow pier body; 2, solid base; 3, capping structure; 301, arc-shaped steel plate; 302, first reserved hole; 303, second reserved hole; 304, threaded groove; 305, capping plate; 306, arc-shaped groove; 307, steel sleeve; 308, positioning bolt; 309, locking nut; 310, waterproof concrete; 311, counterweight; 312, outer shell; 313, first sealing rubber gasket; 314, inner shell; 315, second sealing rubber gasket; 4, air pipe; 5, one-way valve; 6, hoisting ring. DETAILED DESCRIPTION

[0032] 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. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor are within the scope of protection of the present application.

[0033] Please refer to Figure 1 , Figure 3 and Figure 6 , a high and large flume hollow pier capping structure in deep water area in the embodiment includes a hollow pier body 1, a solid base 2 and a capping structure 3. The capping structure 3 includes arc-shaped steel plates 301 embedded in both sides inside the hollow pier body 1. The solid base 2 is fixedly connected to the bottom of the hollow pier body 1. The bottoms of the two arc-shaped steel plates 301 are respectively embedded in both sides inside the solid base 2. The distribution of the arc-shaped steel plates 301 is optimized. The waterproof concrete 310 arranged can effectively disperse the stress at the connection, thereby improving the stability of the structure. The top of each arc-shaped steel plate 301 is provided with a plurality of first reserved holes 302. The inner wall of each first reserved hole 302 is provided with a second reserved hole 303. The inner wall of each second reserved hole 303 is provided with a threaded groove 304. The threaded groove 304 can facilitate the connection between the subsequent components and the arc-shaped steel plate 301, and is more used.

[0034] Please refer to Figure 4 , Figure 5 and Figure 6The top of the hollow pier body 1 is provided with a capping plate 305, the bottom surface of the capping plate 305 is provided with two arc-shaped grooves 306, the size of the arc-shaped grooves 306 corresponds to the size of the arc-shaped steel plate 301, the capping plate 305 can be more accurately installed above the hollow pier body 1 through the arc-shaped grooves 306, the inner wall of each arc-shaped groove 306 is fixedly connected with a plurality of steel sleeves 307, the steel sleeves 307 are inserted into the first reserved holes 302, the stress at the connection between the capping plate 305 and the hollow pier body 1 can be effectively dispersed through the cooperation of the steel sleeves 307 and the arc-shaped steel plate 301, and the overall stability of the structure is improved, the inner wall of each steel sleeve 307 is threadedly connected with a positioning bolt 308, the bottom of the positioning bolt 308 is threadedly connected with the threaded groove 304, the hollow pier body 1 and the capping plate 305 can be stably connected through the plurality of positioning bolts 308, waterproof concrete 310 is poured between the steel sleeve 307 and the positioning bolt 308, the capping plate 305 and the top of the hollow pier body 1 can be tightly combined through the filled waterproof concrete 310, the overall structure is enhanced, the probability of penetration is reduced, the durability of the capping structure 3 is improved, and a locking nut 309 is installed at the top of the positioning bolt 308.

[0035] Please refer to Figure 4 The bottom surface of the capping plate 305 is fixedly connected with a counterweight 311, the sinking stability of the hollow pier body 1 can be enhanced through the counterweight 311, and the structure is ensured not to float, the bottom surface of the capping plate 305 is fixedly connected with an outer shell 312 and an inner shell 314, the inner side of the outer shell 312 is fixedly connected with a first sealing rubber gasket 313, and the outer side of the inner shell 314 is fixedly connected with a second sealing rubber gasket 315, so that the effect after installation of the capping plate 305 is optimized, and the capping plate 305 is more practical, the outer shell 312, the first sealing rubber gasket 313, the inner shell 314 and the second sealing rubber gasket 315 are adapted to the thickness of the hollow pier body 1, the sealing performance of the capping plate 305 installed on the top of the hollow pier body 1 can be improved, the probability of water flowing into the hollow pier body 1 through the connection between the capping plate 305 and the hollow pier body 1 is reduced, and structural damage caused by water pressure difference is avoided.

[0036] Please refer to Figure 1 , Figure 2 and Figure 4 The two sides of the inner wall of the capping plate 305 are embedded with air pipes 4, and the top end of each air pipe 4 is provided with a one-way valve 5, so that the internal and external pressures can be balanced through the cooperation of the air pipes 4 and the one-way valves 5, the capping structure 3 is prevented from being damaged due to excessive pressure, the safety of the capping structure 3 is improved, the durability of the capping structure 3 is enhanced, and the capping structure 3 is particularly suitable for capping engineering of high and large hollow pier of a deep water area, a detachable lifting ring 6 is installed on the upper surface of the capping plate 305, the capping plate 305 can be conveniently lifted and transported through the lifting ring 6, so that the installation work of the capping plate 305 is facilitated.

[0037] The high and large trough hollow pier capping structure in deep water area has simple structure, convenient construction, is connected by the capping plate 305 and the positioning bolt 308, does not need to build a complex support system, has fast construction speed and low difficulty, is particularly suitable for deep water area construction, the arc-shaped steel plate 301 and the steel sleeve 307 can effectively disperse the stress at the connection between the capping plate 305 and the hollow pier body 1, improve the overall stability of the structure, the capping plate 305 can realize factory production, the quality is controllable, the waterproof concrete 310 is arranged to effectively prevent water erosion and improve the structural durability, compared with the traditional capping structure, the structure also has the effect of convenient disassembly and assembly, and is more practical.

[0038] The working principle of the above embodiment is that when capping, the capping plate 305 is hoisted to the upper side of the hollow pier body 1 through the two hoisting rings 6, the arc-shaped groove 306 is aligned with the arc-shaped steel plate 301, then the capping plate 305 is placed on the hollow pier body 1, at this time, the two arc-shaped steel plates 301 are respectively located in the two arc-shaped grooves 306, and the multiple steel sleeves 307 are respectively inserted into the corresponding first reserved holes 302, and the hollow pier body 1 is located between the outer shell 312 and the inner shell 314. The first sealing rubber pad 313 and the second sealing rubber pad 315 can improve the sealing between the hollow pier body 1 and the capping plate 305, then the multiple positioning bolts 308 are respectively screwed into the corresponding steel sleeves 307, the positioning bolts 308 will gradually extend into the inside of the steel sleeves 307, and the positioning bolts 308 are screwed into the second reserved holes 303 through the threaded grooves 304, to realize the stable connection of the capping plate 305 and the arc-shaped steel plate 301, then the waterproof concrete 310 is poured into the steel sleeve 307 through the space at the top of the steel sleeve 307, the waterproof concrete 310 will gradually fill the small gaps between the steel sleeve 307, the positioning bolt 308 and the second reserved hole 303, so as to reduce the probability of water seeping into the inside of the hollow pier body 1 through these gaps, prevent affecting the structural durability, and the waterproof concrete 310 can tightly combine the capping plate 305 and the top of the hollow pier body 1, enhance the integrity of the structure, and also disperse the load transmitted by the capping plate 305, reduce local stress concentration, then the multiple locking nuts 309 are screwed on the top end of the positioning bolt 308, and the capping work is completed.

[0039] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the enclosed claims. That is, although the present application is described in terms of particular embodiments and illustrative figures, it should be apparent that the application can be varied in a multitude of ways. Such alterations, many of which will be apparent to those skilled in the art, can be based on current technology, and as such, this application should not be limited to the particular embodiments described herein, but should be understood to include all embodiments that are within the scope of the appended claims and their equivalents.

[0040] While the embodiments of the application have been shown and described herein, it will be understood by those skilled in the art that many changes, modifications, substitutions and alterations to these embodiments can be made without departing from the principles and spirits of the application, which can be limited only by the scope of the appended claims and their equivalents.

Claims

1. A high large flume hollow pier capping structure in deep water area, comprising a hollow pier body (1), a solid base (2) and a capping structure (3), characterized in that: The capping structure (3) comprises arc-shaped steel plates (301) pre-buried inside the hollow pier body (1) on both sides, the top of each arc-shaped steel plate (301) is provided with a plurality of first reserved holes (302), the inner wall of each first reserved hole (302) is provided with a second reserved hole (303), the inner wall of each second reserved hole (303) is provided with a threaded groove (304), the upper side of the hollow pier body (1) is provided with a capping plate (305), the bottom surface of the capping plate (305) is provided with two arc-shaped grooves (306), the inner wall of each arc-shaped groove (306) is fixedly connected with a plurality of steel sleeves (307), the inner wall of each steel sleeve (307) is threadedly connected with a positioning bolt (308), the bottom of the positioning bolt (308) is threadedly connected with the threaded groove (304), and the top of the positioning bolt (308) is provided with a locking nut (309).

2. The high head flume hollow pier capping structure in deep water area according to claim 1, characterized in that: The solid base (2) is fixedly connected to the bottom of the hollow pier body (1), and the bottoms of the two arc-shaped steel plates (301) are pre-buried inside the solid base (2) on both sides.

3. The high head flume hollow pier capping structure of claim 1, wherein: The size value of the arc-shaped groove (306) corresponds to the size value of the arc-shaped steel plate (301), and waterproof concrete (310) is poured between the steel sleeve (307) and the positioning bolt (308).

4. The high head flume hollow pier capping structure of claim 1, wherein: The bottom surface of the capping plate (305) is fixedly connected with a counterweight (311).

5. The high head flume hollow pier capping structure of claim 1, wherein: The bottom surface of the capping plate (305) is fixedly connected with an outer shell (312) and an inner shell (314), the inner side of the outer shell (312) is fixedly connected with a first sealing rubber gasket (313), and the outer side of the inner shell (314) is fixedly connected with an inner shell (314).

6. The high head flume hollow pier capping structure of claim 5, wherein: The outer shell (312), the first sealing rubber gasket (313), the inner shell (314) and the second sealing rubber gasket (315) are adapted to the thickness of the hollow pier body (1).

7. The high head flume hollow pier capping structure of claim 1, wherein: The two sides of the inner wall of the capping plate (305) are inlaid with air pipes (4), and the top end of each air pipe (4) is provided with a one-way valve (5).

8. The high head flume hollow pier capping structure of claim 1, wherein: The upper surface of the capping plate (305) is provided with a detachable lifting ring (6). The upper surface of the capping plate (305) is provided with a detachable lifting ring (6).

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