CN112195753B - Grouting metal corrugated pipe for steel bar anchoring and machining method thereof - Google Patents
Grouting metal corrugated pipe for steel bar anchoring and machining method thereof Download PDFInfo
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- CN112195753B CN112195753B CN202010943306.6A CN202010943306A CN112195753B CN 112195753 B CN112195753 B CN 112195753B CN 202010943306 A CN202010943306 A CN 202010943306A CN 112195753 B CN112195753 B CN 112195753B
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- corrugated pipe
- grouting
- pipe section
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- hole
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/28—Perforating, i.e. punching holes in tubes or other hollow bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D51/00—Making hollow objects
- B21D51/02—Making hollow objects characterised by the structure of the objects
- B21D51/12—Making hollow objects characterised by the structure of the objects objects with corrugated walls
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/30—Metal
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a grouting metal corrugated pipe for steel bar anchoring and a machining method thereof, and relates to the technical field of steel pipe machining. The grouting metal corrugated pipe for anchoring the steel bars comprises a corrugated pipe section, wherein the side wall of the corrugated pipe close to two ends of the corrugated pipe is respectively and vertically provided with a grouting hole and a grout outlet hole along the axial direction; and a grouting pipe and a grout outlet pipe are respectively fixed at the grouting hole and the grout outlet hole. A method for processing a grouting metal corrugated pipe for steel bar anchoring comprises the steps of corrugated pipe section forming, punching, fixing of a grouting pipe and a grout outlet pipe and the like. The invention provides a grouting metal corrugated pipe for reinforcing steel bar anchoring and a processing method thereof, wherein the grouting metal corrugated pipe can improve the reinforcing steel bar anchoring strength and the prefabricated part assembling strength, can fully ensure the building safety performance, and is more flexible and convenient to construct.
Description
Technical Field
The invention relates to the technical field of steel pipe processing, in particular to a grouting metal corrugated pipe for steel bar anchoring and a processing method thereof.
Background
Along with the concept of bridge prefabrication and assembly, which is expanded from an upper structure to a lower structure, the range of the prefabricated components also gradually covers main bridge stressed components such as main prefabricated and assembled pier beam fastening beams, capping beams, pier columns and the like. In the existing prefabricated assembled bridge system, a main beam is placed on a capping beam through a support, and the capping beam is fixedly connected with a pier stud to transmit the load of an upper structure to a foundation. The combination of the capping beam and the upright column as well as the combination of the upright column and the bearing platform generally adopt the mode that embedded steel bars are inserted into embedded sleeves for connection.
The invention patent application with the prior application publication number of CN107130742A discloses a full grouting sleeve for a prefabricated bridge, which comprises a sleeve body, wherein one end of the sleeve body is a cast-in-place end, the other end of the sleeve body is a prefabricated end, a grouting hole is formed in the position, close to the cast-in-place end, of the sleeve body, a grout outlet is formed in the position, close to the prefabricated end, of the sleeve body, and the sleeve body is of a cylinder structure with a thick middle part and thin two ends.
In actual engineering, the sleeve body is integrally embedded in the corresponding prefabricated part, after the steel bars are inserted into the sleeve body, workers can want to grout inside the sleeve body through the grouting holes, the grouting material can gradually fill gaps between the steel bars and the inner wall of the sleeve body, and redundant grouting material is discharged from the grout outlet; and after the grouting material is solidified, finishing the anchoring of the steel bar and the sleeve body. However, the sleeve body is similar to a common round pipe in structure, and the structural strength and fatigue resistance of the sleeve body are limited, so that the building structure adopting the grouting sleeve has obvious defects in mechanical property and needs to be improved.
Disclosure of Invention
One of the purposes of the invention is to provide a grouting metal corrugated pipe for steel bar anchoring, and the grouting holes and the grout outlet holes are arranged at two ends of a corrugated pipe section, so that the anchoring strength between the corrugated pipe section and steel bars is improved, and the safety performance of a building is ensured.
The technical purpose of the invention is realized by the following technical scheme:
a grouting metal corrugated pipe for steel bar anchoring comprises a corrugated pipe section, wherein the side wall of the corrugated pipe close to two ends of the corrugated pipe is respectively and vertically provided with a grouting hole and a grout outlet hole along the axial direction; and a grouting pipe and a grout outlet pipe are respectively fixed at the grouting hole and the grout outlet hole.
By adopting the technical scheme, the two ends of the corrugated pipe section are respectively provided with the grouting hole and the grout outlet hole; during work, the staff accessible grout pipe is to the inside grout of bellows section, and unnecessary concrete mortar is discharged from a grout pipe, and the reinforcing bar can realize the anchor under the effect of concrete mortar inside the bellows section. In the process, the structural strength, the fatigue resistance and the compression resistance of the corrugated pipe section are superior to those of a common round pipe, so that the anchoring strength between the corrugated pipe section and the steel bar can be greatly improved, and the safety performance of the building is greatly improved.
The invention is further configured to: the two ends of the corrugated pipe section are open.
Through adopting above-mentioned technical scheme, corrugated pipe section both ends opening is applicable to the assembly of bent cap and pier stud.
The invention is further configured to: and a sealing plate for sealing is fixed at one end of the corrugated pipe section.
By adopting the technical scheme, the sealing plate is arranged at one end of the corrugated pipe section, so that the sealing plate is suitable for assembling the pier column and the bearing platform.
The invention is further configured to: the distance between the grouting hole and the adjacent end part of the corrugated pipe section is at least 220 mm; the distance between the pulp outlet hole and the adjacent end part of the corrugated pipe section is at least 70 mm.
The invention is further configured to: the wall thickness of the corrugated pipe section is at least 2mm, the rib height is at least 3mm, and the wave pitch is 32 +/-2 mm.
Through adopting above-mentioned technical scheme, the structural strength of bellows section is guaranteed to the above-mentioned parameter of close control, and then guarantees the anchor intensity of reinforcing bar.
The invention is further configured to: the grouting hole penetrates through the corrugated pipe section along the direction vertical to the axial direction of the corrugated pipe section; the grouting pipe penetrates through the corrugated pipe section along the grouting hole and is fixedly connected with the corrugated pipe section, two ends of the grouting pipe are respectively positioned on two radial sides of the corrugated pipe section and respectively form an opening for grouting, and a plurality of grouting notches which are uniformly distributed circumferentially penetrate through the pipe wall of the grouting pipe positioned inside the corrugated pipe section.
Through adopting above-mentioned technical scheme, during the grout pipe wore to locate corrugated pipe section, staff's accessible grout pipe both ends opening in one or two openings to the inside grout of corrugated pipe section, get into inside the grout notch entering corrugated pipe section on the grout pipe wall of grout material accessible grout pipe of grout pipe, realize the anchor. In the process, when two ends are grouted simultaneously, the working efficiency can be improved; meanwhile, because both ends of the grouting pipe can be used for grouting, the construction flexibility is stronger, and the construction convenience is favorably improved; and when one opening of the grouting pipe is blocked, the other opening can be used for grouting, so that the grouting operation can be smoothly carried out.
The invention is further configured to: the inner diameter of the pipe section of the grouting pipe positioned inside the corrugated pipe section is larger than that of the pipe section of the grouting pipe positioned outside the corrugated pipe section.
Through adopting above-mentioned technical scheme, the grout pipe is thick structure in the middle of the both ends is thin, can reduce the grouting material and take place the risk of blockking up in grout pipe is inside, improves grouting efficiency.
The invention also aims to provide a processing method of the grouting metal corrugated pipe for reinforcing steel bar anchoring, which is used for grouting operation by respectively fixing a grouting pipe and a grout outlet pipe at two ends of a corrugated pipe section, and ensures the safety of a building due to the assembling strength of prefabricated parts.
The technical purpose of the invention is realized by the following technical scheme:
a processing method of a grouting metal corrugated pipe for steel bar anchoring comprises the following steps:
s1, forming a corrugated pipe section;
s2, punching holes on the pipe walls near the two ends of the corrugated pipe section, and respectively forming a grouting hole and a grout outlet;
and S3, fixing a grouting pipe and a grout outlet pipe at the grouting hole and the grout outlet hole respectively.
In summary, the beneficial technical effects of the invention are as follows:
(1) the two ends of the corrugated pipe section are respectively provided with the grouting holes and the grout outlet holes, and the grouting pipes and the grout outlet pipes are matched, so that the anchoring strength of the steel bars in the prefabricated member is improved, the assembly strength of the prefabricated member is further improved, and the safety performance of the building is ensured;
(2) through wearing to locate the grout pipe in the ripple pipeline section, each slip casting notch on the grout pipe is seted up in the cooperation for when guaranteeing grout efficiency, make the construction more nimble, improve the convenience of grout operation.
Drawings
FIG. 1 is an axial view showing the overall structure of example 1 of the present invention;
FIG. 2 is a schematic view of an axis of the whole structure of embodiment 2 of the present invention;
FIG. 3 is an axial view showing the overall structure of embodiment 3 of the present invention;
FIG. 4 is a schematic view of a structure of a grout pipe in embodiment 3 of the present invention;
fig. 5 is a schematic flow chart of a method for processing a grouting metal corrugated pipe for reinforcing steel bar anchoring according to embodiment 4 of the present invention.
Reference numerals: 1. a bellows section; 101. grouting holes; 102. a pulp outlet hole; 2. grouting pipes; 21. grouting a notch; 3. a pulp outlet pipe; 4. a sealing plate.
Detailed Description
The present invention will now be described more fully hereinafter with reference to the accompanying examples.
Example 1:
referring to fig. 1, a grouting metal corrugated pipe for reinforcing steel bar anchoring comprises a corrugated pipe section with openings at both ends, wherein the wall thickness is at least 2mm, the rib height is at least 3mm, and the wave pitch is 32 +/-2 mm. According to the actual requirements of different projects, the inner diameter of the corrugated pipe section has various specifications of 65mm, 80mm and the like for selection.
The corrugated pipe section is provided with a grouting hole and a grout outlet hole which are vertical to the axial direction of the pipe wall close to the openings at the two ends of the corrugated pipe section, and the grouting pipe and the grout outlet pipe are respectively and vertically fixed at the grouting hole and the grout outlet hole; the inner diameter of the opening of the grouting pipe and the opening of the grout outlet pipe is at least 20 mm. Meanwhile, the clear distance between the grouting hole and the adjacent end part of the corrugated pipe section is at least 220mm, and the clear distance between the grout outlet hole and the adjacent end part of the corrugated pipe section is at least 70mm, so that the opening parts at two ends of the corrugated pipe section are provided with sufficient grouting material after grouting is finished, and the structural strength is further ensured.
The working principle of the embodiment is as follows: in practical engineering, the metal corrugated pipe is suitable for assembling a bent cap and a pier stud; specifically, main ribs of the pier column are poured and fixed in the pier column, and the metal corrugated pipe is embedded in the bent cap; during construction, the bent cap is hoisted to the upper part of the pier stud in a hoisting mode, so that the main ribs of the pier stud are correspondingly inserted into the metal corrugated pipes one by one; and then, the worker can fill the grout into the corrugated pipe section through the grout pipe, and the grout fills the gap between the corrugated pipe section and the main rib, so that the anchoring is finally realized. Through this kind of mode, improve the anchor intensity of reinforcing bar in the prefab, and then improve the assembly strength of prefab, guarantee the security performance of building.
Example 2:
referring to fig. 2, a grouted metal corrugated pipe for reinforcing bar anchoring, which has a structure substantially identical to that of embodiment 1, except that: one end of the corrugated pipe section is open, and the other end is fixedly welded with a sealing plate. Specifically, the sealing plate can be arranged at one end of the grouting hole and can effectively seal the corresponding port of the corrugated pipe section.
The working principle of the embodiment is as follows: in actual construction, the metal corrugated pipe is suitable for assembling a pier column and a bearing platform. Specifically, the metal corrugated pipe building is fixed in a bearing platform; the end of the corrugated pipe section, where the sealing plate is located, is located at the lower part, and the end of the opening of the corrugated pipe section is located at the upper part and is used for inserting the main rib on the pier column.
Example 3:
referring to fig. 3, a grouted metal corrugated pipe for reinforcing bar anchoring, which has a structure substantially identical to that of example 1, is different in that: the grouting hole penetrates through the corrugated pipe section along the direction vertical to the axial direction of the corrugated pipe section, and the grouting pipe penetrates through the corrugated pipe section along the grouting hole and is welded and fixed with the corrugated pipe section. Thus, the openings at the two ends of the grouting pipe are respectively positioned at the two radial sides of the corrugated pipe section and respectively form an opening for grouting. Meanwhile, as shown in fig. 4, the wall of the grouting pipe inside the corrugated pipe section is provided with a plurality of grouting notches which are uniformly distributed circumferentially. In addition, in order to ensure the grouting efficiency, the grouting pipe can be set into a structural form with two thin ends and a thick middle part, namely, the inner diameter of the pipe section of the grouting pipe positioned inside the corrugated pipe section is larger than that of the pipe section positioned outside the corrugated pipe section.
In another embodiment, a corresponding grouting pipe can be arranged on the basis of the embodiment 2 by referring to the above manner.
The working principle of the embodiment is as follows: staff's accessible grout pipe both ends opening one or two openings to the inside grout of bellows section, get into inside the grout material accessible grout pipe wall on the grout notch entering bellows section of grout pipe, realize the anchor. In the process, when two ends are grouted simultaneously, the working efficiency can be improved; meanwhile, because both ends of the grouting pipe can be used for grouting, the construction flexibility is strong, and the construction convenience is promoted; and when one opening of the grouting pipe is blocked, the other opening can be used for grouting, so that the grouting operation can be smoothly carried out.
Example 4:
referring to fig. 5, the present invention also provides a method for processing a grouting metal corrugated pipe for reinforcing steel bar anchoring, comprising the following steps:
and S1, forming the corrugated pipe section. During the specific processing, the corrugated pipe section may be formed by any one of hydraulic forming, roll forming, spin forming, expansion forming and welding forming, which is not limited herein.
And S2, punching holes on the pipe walls near the two ends of the corrugated pipe section, and respectively forming a grouting hole and a grout outlet. During specific processing, the corrugated pipe section can be punched by a punching machine, and the size of the punched hole is controlled to enable the diameter of the punched hole to be at least 20 mm.
And S3, fixing a grouting pipe and a grout outlet pipe at the grouting hole and the grout outlet hole respectively. During specific processing, the grouting pipe and the grout outlet pipe can be respectively fixed at the grouting hole and the grout outlet hole by adopting any modes such as welding, bolt connection and the like.
The above description is only a preferred embodiment of the present invention, and does not limit the protection scope of the present invention, so: equivalent changes made according to the structure, shape and principle of the invention shall be covered by the protection scope of the invention.
Claims (6)
1. The utility model provides a reinforcing bar anchor is with grout metal bellows which characterized in that: the corrugated pipe comprises a corrugated pipe section (1), wherein grouting holes (101) and grout outlet holes (102) are respectively and vertically arranged on the side walls of the corrugated pipe close to the two ends of the corrugated pipe in the axial direction of the corrugated pipe; a grouting pipe (2) and a grout outlet pipe (3) are respectively fixed at the grouting hole (101) and the grout outlet hole (102);
the grouting hole (101) penetrates through the corrugated pipe section (1) along the direction vertical to the axial direction of the corrugated pipe section (1); the grouting pipe (2) penetrates through the corrugated pipe section (1) along a grouting hole (101) and is fixedly connected with the corrugated pipe section (1), two ends of the grouting pipe (2) are respectively positioned at two radial sides of the corrugated pipe section (1) and respectively form an opening for grouting, and a plurality of grouting notches (21) which are uniformly distributed in the circumferential direction penetrate through the pipe wall of the grouting pipe (2) positioned in the corrugated pipe section (1);
the inner diameter of the pipe section of the grouting pipe (2) positioned inside the corrugated pipe section (1) is larger than that of the pipe section positioned outside the corrugated pipe section (1).
2. The grouting metal corrugated pipe for reinforcing bar anchoring of claim 1, wherein: the two ends of the corrugated pipe section (1) are opened.
3. The grouted metal bellows for reinforcing bar anchoring as set forth in claim 1, wherein: and a sealing plate (4) with a sealing function is fixed at one end of the corrugated pipe section (1).
4. A grouted metal corrugated pipe for reinforcing bar anchoring as set forth in claim 2 or 3, wherein: the distance between the grouting hole (101) and the adjacent end part of the corrugated pipe section (1) is at least 220 mm; the distance between the pulp outlet hole (102) and the adjacent end part of the corrugated pipe section (1) is at least 70 mm.
5. A grouting metal corrugated pipe for reinforcing bar anchoring as claimed in claim 2 or 3, wherein: the wall thickness of the corrugated pipe section (1) is at least 2mm, the rib height is at least 3mm, and the wave pitch is 32 +/-2 mm.
6. A method for manufacturing a grouting metal corrugated pipe for reinforcing bar anchoring according to any one of claims 1 to 5, characterized by: the method comprises the following steps:
s1, forming the corrugated pipe section (1);
s2, punching holes on the pipe walls near the two ends of the corrugated pipe section (1) to respectively form a grouting hole (101) and a grout outlet hole (102);
and S3, fixing a grouting pipe (2) and a grout outlet pipe (3) at the grouting hole (101) and the grout outlet hole (102) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010943306.6A CN112195753B (en) | 2020-09-09 | 2020-09-09 | Grouting metal corrugated pipe for steel bar anchoring and machining method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010943306.6A CN112195753B (en) | 2020-09-09 | 2020-09-09 | Grouting metal corrugated pipe for steel bar anchoring and machining method thereof |
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| Publication Number | Publication Date |
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| CN112195753A CN112195753A (en) | 2021-01-08 |
| CN112195753B true CN112195753B (en) | 2022-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010943306.6A Active CN112195753B (en) | 2020-09-09 | 2020-09-09 | Grouting metal corrugated pipe for steel bar anchoring and machining method thereof |
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| CN112195753A (en) | 2021-01-08 |
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