CN107245940B - Device and method for sealing arch rib open holes of concrete filled steel tube arch bridge - Google Patents

Device and method for sealing arch rib open holes of concrete filled steel tube arch bridge Download PDF

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Publication number
CN107245940B
CN107245940B CN201710686988.5A CN201710686988A CN107245940B CN 107245940 B CN107245940 B CN 107245940B CN 201710686988 A CN201710686988 A CN 201710686988A CN 107245940 B CN107245940 B CN 107245940B
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Prior art keywords
box body
steel pipe
hole
cavity
arch bridge
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CN201710686988.5A
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CN107245940A (en
Inventor
王建军
周邦鸿
李彩霞
韩玉
杨占峰
王承亮
韦仕学
唐超
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Guangxi Road and Bridge Engineering Group Co Ltd
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Guangxi Road and Bridge Engineering Group Co Ltd
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Publication of CN107245940A publication Critical patent/CN107245940A/en
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00Structural or constructional details of bridges
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00Methods or apparatus specially adapted for erecting or assembling bridges
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/30Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

The invention discloses a sealing device and a sealing method for a hole of an arch rib of a steel tube concrete arch bridge, and relates to the technical field of arch rib processing in construction of the steel tube concrete arch bridge in civil engineering. This steel pipe concrete arch bridge arch rib trompil sealing device is applied to and has seted up fenestrate steel pipe, and it includes the box body of taking the cavity, and first through-hole has been seted up to box body one end face, installs the cutting ferrule joint in the first through-hole, and cutting ferrule joint is close to fenestrate one end and box body parallel and level, and the second through-hole has been seted up to box body other end face. The sealing method of the steel tube concrete arch bridge arch rib open pore sealing device comprises the following steps: s1: respectively passing the lead through the ferrule joint and the second through hole; s2: welding the cutting sleeve joint on the steel pipe, or screwing the conical thread on the steel pipe; s3: pouring epoxy resin into the cavity; s4: and (5) checking the tightness of the steel pipe and the box body. The invention discloses a sealing device for a hole of an arch rib of a steel tube concrete arch bridge and a sealing method thereof, which solve the problems of poor sealing reliability and complex operation.

Description

Device and method for sealing arch rib open holes of concrete filled steel tube arch bridge
Technical Field
The invention relates to the technical field of arch rib processing in construction of a steel pipe concrete arch bridge in civil engineering, in particular to a sealing device and a sealing method for an arch rib opening of the steel pipe concrete arch bridge.
Background
At present, in the arch rib processing process of the steel pipe concrete arch bridge construction in civil engineering, when wires of sensors, embedded wires of measuring devices, optical fibers, probes and other circuits need to be led into a steel pipe, holes are often formed in the steel pipe so as to lead the circuits into the steel pipe. However, in the process of pouring concrete into the steel pipe in the later period, when the steel pipe needs to be vacuumized according to the process requirement, the steel pipe cannot be vacuumized due to the fact that holes are formed in the steel pipe, so that the sealing device and the sealing method for the holes of the arch rib of the steel pipe concrete arch bridge are necessary to be invented.
Most of the existing steel tube concrete arch bridge arch rib open pore sealing devices are poor in sealing reliability, so that the vacuumizing effect in the steel tube is poor; in addition, the operation is complex, the implementation is difficult in the high altitude, and the construction difficulty of constructors is increased.
Disclosure of Invention
In view of the foregoing, it is desirable to provide a sealing device for an opening of an arch rib of a concrete filled steel tube arch bridge and a sealing method thereof. The steel tube concrete arch bridge arch rib open pore sealing device and the sealing method thereof solve the problems of poor reliability and complex operation of open pore sealing of the steel tube.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a steel pipe concrete arch bridge arch rib trompil sealing device, is applied to a surface and has seted up fenestrate steel pipe, includes one and is used for sealing fenestrate box body, the box body is installed the surface of steel pipe and lid are established fenestrate, there is a cavity in the box body, the box body is close to fenestrate terminal surface has been seted up one and has been linked together respectively fenestrate with the first through-hole of cavity, install a cutting ferrule joint in the first through-hole, cutting ferrule joint is close to fenestrate one end with the box body parallel and level, cutting ferrule joint keeps away from fenestrate one end is installed a nut, the box body is kept away from fenestrate terminal surface has been seted up one and has been linked together the second through-hole of cavity.
Preferably, the length, width and height of the box body are 5 cm-10 cm.
Preferably, a conical thread is arranged on the inner surface, close to the steel pipe, of the box body, the conical thread is adjacent to the first through hole, and the box body is screwed with the steel pipe through the conical thread.
Preferably, the box body is close to the perforated section is an arc surface, the box body is welded with the steel pipe through the cutting sleeve joint, and the arc surface is attached to the outer surface of the steel pipe.
Preferably, the first through hole is adapted to the ferrule connector, and the ferrule connector and the second through hole are adapted to a wire penetrating the through hole.
Preferably, a through pipe communicated with the cavity is arranged at the upper end of the box body, epoxy resin is poured into the cavity, and the epoxy resin is poured into the cavity through the through pipe.
A sealing method of a steel tube concrete arch bridge arch rib open pore sealing device comprises the following steps:
s1: threading the lead in the steel pipe out of the perforation, respectively threading the lead through the clamping sleeve joint and the second through hole, and then screwing a nut on the clamping sleeve joint;
s2: cleaning and polishing the surface of the steel pipe and the end face of the clamping sleeve joint, which is flush with the box body; aligning the cutting sleeve joint with the perforation and welding the cutting sleeve joint on the steel pipe, or screwing the conical threads arranged on the inner surface of the box body close to the steel pipe on the steel pipe through a bolt arranged in the box body;
s3: after ensuring that the connection between the box body and the steel pipe is stable, pouring epoxy resin into the cavity of the box body;
s4: and (3) after the cavity is filled with epoxy resin in the step (S3), checking the tightness of the steel pipe and the box body.
Preferably, in step S2, the arcuate surface is welded to the steel pipe at the same time as the ferrule joint is welded to the steel pipe.
Preferably, in step S3, the box body is made of steel, a through pipe connected with the cavity is installed at the upper end of the box body, the through pipe and the box body are made of the same material, and epoxy resin in the cavity is poured through the through pipe.
By adopting the technical scheme, the invention has the following beneficial effects:
according to the sealing device and the sealing method for the arch rib open hole of the steel pipe concrete arch bridge, the lead led out of the steel pipe sequentially passes through the perforation, the clamping sleeve joint and the second through hole, and then is connected with the detection device positioned outside the steel pipe. The cutting ferrule joint is abutted with the perforation, and the lead is clamped and fixed by screwing up the nut, so that the gap between the cutting ferrule joint and the lead is sealed, and the perforation is sealed; meanwhile, the clamping sleeve joint can protect the wires from being pulled by impact force of the concrete in the flushing process. In addition, epoxy resin is poured into the cavity, so that the secondary sealing effect is achieved. According to the sealing device for the arch rib open hole of the steel pipe concrete arch bridge, the box body can be connected with the steel pipe by welding the cutting sleeve joint with the steel pipe, and can also be screwed with the steel pipe by using the conical thread, so that the connection mode is flexible and changeable. When the taper thread connection is inconvenient in high-altitude operation, the welding ferrule joint can be preferentially selected for connecting the steel pipes. When the cutting ferrule joint is welded, the arc-shaped surface of the box body is welded to the steel pipe, so that the connection stability of the box body and the steel pipe is further improved.
In summary, the sealing device and the sealing method for the perforated holes of the arch ribs of the steel pipe concrete arch bridge have the advantages of good sealing effect, effective guarantee of the vacuumizing effect in the steel pipe, flexible selection of the connection mode of the box body and the steel pipe, simple operation, convenience in construction and improvement of the safety coefficient of construction.
Drawings
Fig. 1 is a schematic structural view of an open pore sealing device for an arch rib of a concrete filled steel tube arch bridge according to an embodiment of the present invention;
fig. 2 is an enlarged view of the opening sealing device for the arch rib of the reinforced concrete pipe arch bridge according to the embodiment of the invention.
In the drawing, a 1-steel pipe, a 2-perforation, a 3-wire, a 4-box body, a 5-cavity, a 6-first through hole, a 7-cutting sleeve joint, an 8-second through hole, a 9-nut and a 10-through pipe are arranged.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 and 2, the embodiment of the invention provides a sealing device for a hole of a rib of a concrete filled steel tube arch bridge, which is applied to a steel tube 1 with a through hole 2 formed in a surface, wherein a wire 3 in the steel tube 1 passes out of the steel tube 1 from the through hole 2. The device for sealing the arch rib open hole of the steel tube concrete arch bridge comprises a box body 4 for sealing the perforation 2, wherein the length, width and height of the box body 4 are 5 cm-10 cm. In this embodiment, the length, width and height of the case 4 are 5cm. The box body 4 is arranged on the outer surface of the steel pipe 1 and is covered with a through hole 2, and a cavity 5 is arranged in the box body 4. The upper end of the box body 4 is provided with a through pipe 10 communicated with the cavity 5, epoxy resin is poured into the cavity 5 through the through pipe 10, and the epoxy resin is poured into the cavity 5. A first through hole 6 which is respectively communicated with the perforation 2 and the cavity 5 is formed in the end face, close to the perforation 2, of the box body 4, a clamping sleeve connector 7 is arranged in the first through hole 6, and the first through hole 6 is matched with the clamping sleeve connector 7. In this embodiment, the ferrule fitting 7 has a length of 35mm, an outer diameter of 15mm and an inner diameter of 8mm. The end of the cutting sleeve joint 7, which is close to the through hole 2, is flush with the box body 4, and a nut 9 is arranged at the end of the cutting sleeve joint 7, which is far away from the through hole 2. A second through hole 8 communicated with the cavity 5 is formed in the end face, far away from the perforation 2, of the box body 4. The ferrule fitting 7 and the second through hole 8 are respectively adapted to the wire 3 penetrating the through hole 2.
In the present embodiment, there are two connection modes between the box body 4 and the steel pipe 1: when operating at low altitude, the box body 4 is provided with a square shape because of the easy way of screwing connection, the inner surface of the box body 4 near the steel pipe 1 is provided with a conical thread (not shown) adjacent to the first through hole 6, and the box body 4 screws the steel pipe 1 through the conical thread and a bolt (not shown) arranged in the box body 4. When operating in the high altitude, because the mode of screw thread screw-on in the high altitude is difficult to operate and accompanies certain danger, and electric welding is realized easily to the mode of screwing on relatively, so the section that box body 4 is close to perforation 2 sets up to the arcwall face, and box body 4 passes through cutting ferrule joint 7 welding steel pipe 1, just the surface of arcwall face laminating steel pipe 1.
A sealing method of a steel tube concrete arch bridge arch rib open pore sealing device comprises the following steps:
s1: threading the wire 3 in the steel pipe 1 out of the through hole 2 and threading the wire 3 through the ferrule fitting 7 and the second through hole 8 respectively, and then tightening a nut 9 on the ferrule fitting 7 to seal the gap between the ferrule fitting 7 and the wire 3, thereby sealing the through hole 2; the free end of the lead 3 is connected with a detection device positioned outside the steel pipe 1;
s2: cleaning and polishing the surface of the steel pipe 1 and the end face of the clamping sleeve joint 7 flush with the box body 4; the connection mode of the box body 4 and the steel pipe 1 is two: firstly, in the high-altitude operation, the cutting sleeve joint 7 is aligned with the perforation 2 and welded on the steel pipe 1, meanwhile, the arc-shaped surface is welded on the steel pipe 1, and in the low-altitude operation, the conical threads arranged on the inner surface of the box body 4 close to the steel pipe 1 are screwed on the steel pipe 1 through a bolt (not shown) arranged in the box body 4;
s3: after ensuring that the box body 4 is stably connected with the steel pipe 1, pouring epoxy resin into the cavity 5 of the box body 4; in the embodiment, the box body 4 is made of steel, the upper end of the box body 4 is provided with a through pipe 10 communicated with the cavity 5, the through pipe 10 and the box body 4 are made of the same material, and epoxy resin in the cavity 5 is poured through the through pipe 10;
s4: after the cavity 5 is filled with the epoxy resin in the step S3, the tightness of the steel pipe 1 and the box body 4 is checked to ensure the sealing effect, thereby ensuring the vacuumizing effect.
The foregoing description is directed to the preferred embodiments of the present invention, but the embodiments are not intended to limit the scope of the invention, and all equivalent changes or modifications made under the technical spirit of the present invention should be construed to fall within the scope of the present invention.

Claims (7)

1. The utility model provides a steel pipe concrete arch bridge arch rib trompil sealing device, is applied to a steel pipe that has seted up the perforation on surface, its characterized in that: the steel pipe punching device comprises a box body used for sealing the punching hole, wherein the box body is arranged on the outer surface of the steel pipe and covers the punching hole, a cavity is formed in the box body, a first through hole which is close to one end face of the punching hole and is respectively communicated with the punching hole and the cavity is formed in the box body, a cutting sleeve connector is arranged in the first through hole, one end of the cutting sleeve connector, which is close to the punching hole, is flush with the box body, a nut is arranged at one end of the cutting sleeve connector, which is far away from the punching hole, and a second through hole which is communicated with the cavity is formed in one end face of the box body, which is far away from the punching hole;
the inner surface of the box body, which is close to the steel pipe, is provided with a conical thread, the conical thread is adjacent to the first through hole, and the box body is screwed with the steel pipe through the conical thread for low-altitude operation;
the box body is close to the perforated section is the arcwall face, the box body passes through the cutting ferrule connects the welding the steel pipe, just the arcwall face laminating the surface of steel pipe to be used for high altitude construction.
2. The steel tube concrete arch bridge rib open pore sealing device of claim 1, wherein: the length, width and height of the box body are 5 cm-10 cm.
3. The steel tube concrete arch bridge rib open pore sealing device of claim 1, wherein: the first through hole is matched with the clamping sleeve connector, and the clamping sleeve connector and the second through hole are respectively matched with the wire penetrating through the through hole.
4. The steel tube concrete arch bridge rib open pore sealing device of claim 1, wherein: the upper end of the box body is provided with a through pipe which is communicated with the cavity, epoxy resin is poured into the cavity, and the epoxy resin is poured into the cavity through the through pipe.
5. The concrete filled steel tube arch bridge rib open pore sealing device according to claim 1, wherein the sealing method of the sealing device comprises the following steps:
s1: threading the lead in the steel pipe out of the perforation, respectively threading the lead through the clamping sleeve joint and the second through hole, and then screwing a nut on the clamping sleeve joint;
s2: cleaning and polishing the surface of the steel pipe and the end face of the clamping sleeve joint, which is flush with the box body; aligning the cutting sleeve joint with the perforation and welding the cutting sleeve joint on the steel pipe, or screwing the conical threads arranged on the inner surface of the box body close to the steel pipe on the steel pipe through a bolt arranged in the box body;
s3: after ensuring that the connection between the box body and the steel pipe is stable, pouring epoxy resin into the cavity of the box body;
s4: and (3) after the cavity is filled with epoxy resin in the step (S3), checking the tightness of the steel pipe and the box body.
6. The steel tube concrete arch bridge rib opening sealing device according to claim 5, wherein: in step S2, the arcuate surfaces are welded to the steel pipe at the same time as the ferrule joint is welded to the steel pipe.
7. The steel tube concrete arch bridge rib opening sealing device according to claim 5, wherein: in step S3, the box body is made of steel, a through pipe which is communicated with the cavity is arranged at the upper end of the box body, the through pipe and the box body are made of the same material, and epoxy resin in the cavity is poured through the through pipe.
CN201710686988.5A 2017-08-11 2017-08-11 Device and method for sealing arch rib open holes of concrete filled steel tube arch bridge Active CN107245940B (en)

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Application Number Priority Date Filing Date Title
CN201710686988.5A CN107245940B (en) 2017-08-11 2017-08-11 Device and method for sealing arch rib open holes of concrete filled steel tube arch bridge

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CN107245940B true CN107245940B (en) 2023-07-25

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111395174A (en) * 2020-03-23 2020-07-10 广西路桥工程集团有限公司 Method for exhausting air of arch rib in process of pouring concrete-filled steel tube of arch bridge

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