CN112459056A - Novel canvas type grout stopping bag and using method - Google Patents
Novel canvas type grout stopping bag and using method Download PDFInfo
- Publication number
- CN112459056A CN112459056A CN202011260193.6A CN202011260193A CN112459056A CN 112459056 A CN112459056 A CN 112459056A CN 202011260193 A CN202011260193 A CN 202011260193A CN 112459056 A CN112459056 A CN 112459056A
- Authority
- CN
- China
- Prior art keywords
- grouting
- hole
- grout
- grout stopping
- canvas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a novel canvas grout stopping bag and a using method thereof, the novel canvas grout stopping bag comprises a ring body, a grouting pipe, an anchor cable and epoxy resin, a second isolating support is fixed at the upper end of the ring body, a first isolating support is fixed at the lower end of the ring body, a grouting hole is formed in the ring body, a grouting cavity is formed in the outer side of the ring body, a grout bag is arranged on the outer side of the grouting cavity, a grouting pipe hole and an anchor cable hole are formed in the second isolating support, the grouting pipe hole is located on the left side of the anchor cable hole, and geotextile strips are arranged on the inner side surfaces of the grouting pipe hole and the anchor cable hole. In the anchor cable grouting link, the grouting stop ring is improved, the grouting type canvas grout stop bag is adopted to replace the airbag type grout stop ring, the grout stop bag is filled during grouting of the inner anchor section by cutting the notch in the grout stop bag, the grout stop function is realized, and the grouting quality of the anchor cable is ensured; the primary inspection qualification rate of the anchor cable grouting reaches 100 percent, and the construction level is improved.
Description
Technical Field
The invention relates to the technical field of canvas type grout stopping bags, in particular to a novel canvas type grout stopping bag and a using method thereof.
Background
Pre-stressed anchor cables: a drill hole penetrates through a soft rock stratum or a sliding surface, one end (an anchor rod) is anchored in a hard rock stratum (called an inner anchor head), and then the other free end (called an outer anchor head) is tensioned, so that pressure is applied to the rock stratum to anchor an unstable rock mass. The anchor cable structure generally comprises an amplitude anchor head, an anchor cable body and an outer anchor head. The inner anchor head is also called an anchoring section or an anchor root, is a foundation for providing prestress when the anchor cable is anchored in a rock body, and is divided into a mechanical type and a cementing type according to the structural form, wherein the cementing type is divided into a mortar cementing type and a resin cementing type, and the mortar type is divided into a secondary grouting type and a primary grouting type. The outer anchor head is also called an outer anchoring section and is a part for providing tension tonnage and locking by the anchor cable, and the types of the outer anchor head include an anchor plug type, a thread type, a reinforced concrete cylinder anchor pier type, a pier head anchor type, a steel framework type and the like; the anchor cable body is a member for connecting the inner and outer anchor heads and is also a receiver of tensile force, and provides prestress by tensioning the anchor cable body, and the anchor cable body is composed of high-strength steel bars, steel lines or threaded steel bars. In the prior prestressed anchor cable construction, when an anchor cable body bundled by smooth steel strands is used, in order to prevent grouting operation of an anchoring section, grout is communicated in an extension section. And a grout stopping ring is arranged at the boundary of the anchoring section and the extension section to prevent grout from communicating and ensure the effect in the sectional grouting operation.
The original design grout stopping bag is made of inflatable rubber grout stopping bags, but the problem that the rubber air bags are easy to break due to friction of broken rocks on the hole walls in the process of rope descending and cannot play the grout stopping function is found in the using process, and therefore the novel canvas grout stopping bag and the using method are provided.
Disclosure of Invention
The invention aims to provide a novel canvas grout stopping bag and a using method thereof, and solves the problem that the original grout stopping bag is an inflatable rubber grout stopping bag, but the rubber air bag is easy to break due to the friction of broken rocks on the hole wall in the rope descending process and further cannot play the grout stopping function in the using process.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a novel canvas formula grout stopping package and application method, includes ring body, slip casting pipe, anchor rope and epoxy, the upper end of ring body is fixed with the second and keeps apart the support, and the lower extreme of ring body is fixed with first isolation support, the slip casting hole has been seted up to the inside of ring body, and the outside of ring body is provided with the filling chamber, the outside in filling chamber is provided with thick liquid package, slip casting pipe hole and anchor rope hole have been seted up to the inside of second isolation support, and the slip casting pipe hole is located the left side in anchor rope hole, the medial surface in slip casting pipe hole and anchor rope hole all is provided with geotechnological cloth.
Preferably, the grouting pipe is arranged in the grouting pipe hole, the anchor rope is arranged in the anchor rope hole, and epoxy resin is arranged at the joint of the anchor rope hole and the anchor rope.
Preferably, the use method of the novel canvas type grout stopping bag comprises the following steps:
s1, wrapping the outer side of the ring body with a canvas type grout stopping bag, and binding and sealing two ends of the canvas type grout stopping bag by using double-strand lead wires;
s2, adding two isolating supports at two ends of the canvas grout stopping bag to control the length and shape of the grout stopping bag;
s3, wrapping the single anchor cable by the geotextile strip and sealing the anchor cable by epoxy resin within the binding positions at the two ends of the isolation support, and ensuring that the anchor cable is in a sealing state in the binding positions at the two ends;
s4, cutting a grout discharging hole at the position of the grout stopping bag through the primary grouting pipe, and conveniently discharging grout.
Preferably, the size range of the canvas stop-grouting bag in the step S1 is 40cm-50 cm.
Preferably, in step S3, burrs at corners of a contact portion between the isolation bracket and the anchor cable need to be carefully trimmed and smoothed, and the anchor cables passing through the isolation bracket need to be bound together with the isolation bracket by using zinc-free lead wires, so as to prevent the isolation bracket from damaging the anchor cables during tensioning of the reeving cable.
Preferably, the pressure resistance value of the grouting pipe is not less than 0.5MPa and not less than 1.5 times of the maximum grouting pressure.
Compared with the prior art, the invention has the following beneficial effects:
the conventional rubber inflatable air bag grout stopping ring is difficult to fix, and is frequently moved or damaged in the cable feeding process, so that the construction quality is influenced; in the anchor cable grouting link, the grouting stop ring is improved, the grouting type canvas grout stop bag is adopted to replace the airbag type grout stop ring, the grout stop bag is filled during grouting of the inner anchor section by cutting a notch in the grout stop bag, the grout stop effect is achieved, and the grouting quality of the anchor cable is ensured; the primary inspection qualification rate of the anchor cable grouting reaches 100 percent, and the construction level is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic view of a connection structure of grouting pipe holes and anchor cable holes and geotextile strips;
fig. 4 is a schematic view of an epoxy sealing structure of the present invention.
In the figure: 1. a ring body; 2. a first spacer bracket; 3. a second spacer bracket; 4. grouting holes; 5. a filling cavity; 6. packaging the pulp; 7. a grouting pipe; 8. an anchor cable; 9. grouting pipe holes; 10. anchor cable holes; 11. geotextile strips; 12. and (3) epoxy resin.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, a novel canvas grout stopping bag and a using method thereof comprise a ring body 1, a grouting pipe 7, an anchor cable 8 and epoxy resin 12, wherein a second isolating support 3 is fixed at the upper end of the ring body 1, a first isolating support 2 is fixed at the lower end of the ring body 1, a grouting hole 4 is formed in the ring body 1, a grouting cavity 5 is formed in the outer side of the ring body 1, a grout stopping bag 6 is arranged on the outer side of the grouting cavity 5, a grouting pipe hole 9 and an anchor cable hole 10 are formed in the second isolating support 3, the grouting pipe hole 9 is located on the left side of the anchor cable hole 10, and geotextile strips 11 are arranged on the inner side surfaces of the grouting pipe hole 9 and the anchor cable hole 10; a grouting pipe 7 is arranged in the grouting pipe hole 9, an anchor rope 8 is arranged in the anchor rope hole 10, and epoxy resin 12 is arranged at the joint of the anchor rope hole 10 and the anchor rope 8;
in the invention: the use method of the novel canvas grout stopping bag comprises the following steps:
s1, wrapping the outer side of the ring body (1) with a canvas type grout stopping bag (6), and binding and sealing two ends of the canvas type grout stopping bag (6) by using double-strand lead wires;
s2, adding two isolating supports at two ends of the canvas grout stopping bag (6) to control the length and the shape of the grout stopping bag (6);
s3, wrapping the single anchor cable 8 by the geotextile strips (11) and sealing by epoxy resin (12) within the binding positions of the two ends of the isolation support, and ensuring that the two ends of the binding are in a sealing state;
s4, cutting a grout discharging hole at the position where the first-stage grouting pipe (7) passes through the grout stopping bag (6) to facilitate grout discharging.
In the step S1, the size range of the canvas grout stopping bag 6 is 40cm-50 cm;
step S3, burrs at the corners of the contact part of the isolation support and the anchor cable 8 need to be carefully trimmed and smoothed, and the anchor cables 8 passing through the isolation support need to be bound together with the isolation support by using zinc-free lead wires so as to prevent the isolation support from damaging the anchor cable 8 during tensioning of the reeving;
the pressure resistance value of the grouting pipe 7 in the step S3 should not be less than 0.5MPa and not less than 1.5 times the maximum grouting pressure.
The conventional rubber inflatable air bag grout stopping ring is difficult to fix, and is frequently moved or damaged in the cable feeding process, so that the construction quality is influenced; in the anchor cable grouting link, the grouting stop ring of the anchor cable is improved, the grouting type canvas grout stop bag 6 is adopted to replace the airbag type grout stop ring, the grout stop bag 6 is filled during grouting of the inner anchor section through cutting a notch in the grout stop bag 6, the grout stop function is achieved, and the grouting quality of the anchor cable is ensured; the primary inspection qualification rate of the anchor cable grouting reaches 100 percent, and the construction level is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a novel canvas formula grout stopping package, includes ring body (1), slip casting pipe (7), anchor rope (8) and epoxy (12), its characterized in that: the upper end of ring body (1) is fixed with second isolation support (3), and the lower extreme of ring body (1) is fixed with first isolation support (2), slip casting hole (4) have been seted up to the inside of ring body (1), and the outside of ring body (1) is provided with filling chamber (5), the outside of filling chamber (5) is provided with only thick liquid package (6), slip casting tube hole (9) and anchor rope hole (10) have been seted up to the inside of second isolation support (3), and slip casting tube hole (9) are located the left side of anchor rope hole (10), the medial surface of slip casting tube hole (9) and anchor rope hole (10) all is provided with geotechnological cloth (11).
2. The new canvas grout stopping bag according to claim 1, wherein: the grouting pipe is characterized in that a grouting pipe (7) is arranged inside the grouting pipe hole (9), an anchor rope (8) is arranged inside the anchor rope hole (10), and epoxy resin (12) is arranged at the joint of the anchor rope hole (10) and the anchor rope (8).
3. The novel canvas grout stopping bag and the use method thereof as claimed in claims 1-2, wherein: the use method of the novel canvas type grout stopping bag comprises the following steps:
s1, wrapping the outer side of the ring body (1) with a canvas type grout stopping bag (6), and binding and sealing two ends of the canvas type grout stopping bag (6) by using double-strand lead wires;
s2, adding two isolating supports at two ends of the canvas grout stopping bag (6) to control the length and the shape of the grout stopping bag (6);
s3, wrapping the single anchor cable (8) with a geotextile strip (11) within the binding position of the two ends of the isolation support, and sealing with epoxy resin (12) to ensure that the two ends of the binding are in a sealing state;
s4, cutting a grout discharging hole at the position where the first-stage grouting pipe (7) passes through the grout stopping bag (6) to facilitate grout discharging.
4. The novel canvas grout stopping bag and the using method thereof as claimed in claim 3, wherein: the size range of the canvas stop packet (6) in the step S1 is 40cm-50 cm.
5. The novel canvas grout stopping bag and the using method thereof as claimed in claim 3, wherein: in the step S3, burrs at corners of the contact part of the isolation support and the anchor cable (8) need to be carefully trimmed and smoothed, and the anchor cable (8) passing through the isolation support needs to be bound together with the isolation support by using zinc-free lead wires so as to prevent the isolation support from damaging the anchor cable (8) during tensioning of the reeving cable.
6. The novel canvas grout stopping bag and the using method thereof as claimed in claim 3, wherein: the pressure resistance value of the grouting pipe (7) in the step S3 is not less than 0.5MPa and not less than 1.5 times of the maximum grouting pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011260193.6A CN112459056A (en) | 2020-11-12 | 2020-11-12 | Novel canvas type grout stopping bag and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011260193.6A CN112459056A (en) | 2020-11-12 | 2020-11-12 | Novel canvas type grout stopping bag and using method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112459056A true CN112459056A (en) | 2021-03-09 |
Family
ID=74826807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011260193.6A Pending CN112459056A (en) | 2020-11-12 | 2020-11-12 | Novel canvas type grout stopping bag and using method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112459056A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2611434Y (en) * | 2002-12-26 | 2004-04-14 | 武汉谦诚岩土工程有限责任公司 | Anti-leakage and corrosion-proof device for anchor rope construction |
| CN102296603A (en) * | 2011-06-02 | 2011-12-28 | 北京科技大学 | Grouting-stopping plug and system for anchor rod (anchor cable) |
| CN202767076U (en) * | 2012-09-12 | 2013-03-06 | 中国葛洲坝集团股份有限公司 | Grout stopping device for pre-stressed anchor cable |
| US20140314503A1 (en) * | 2013-04-11 | 2014-10-23 | Henan Polytech Infrastructure Rehabilitation LTD. | Grouting method for anchoring with polymer |
| CN210013215U (en) * | 2019-02-14 | 2020-02-04 | 中国人民解放军军事科学院国防工程研究院工程防护研究所 | Light flexible grout stopping bag for anchor cable and anchor rod construction |
-
2020
- 2020-11-12 CN CN202011260193.6A patent/CN112459056A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2611434Y (en) * | 2002-12-26 | 2004-04-14 | 武汉谦诚岩土工程有限责任公司 | Anti-leakage and corrosion-proof device for anchor rope construction |
| CN102296603A (en) * | 2011-06-02 | 2011-12-28 | 北京科技大学 | Grouting-stopping plug and system for anchor rod (anchor cable) |
| CN202767076U (en) * | 2012-09-12 | 2013-03-06 | 中国葛洲坝集团股份有限公司 | Grout stopping device for pre-stressed anchor cable |
| US20140314503A1 (en) * | 2013-04-11 | 2014-10-23 | Henan Polytech Infrastructure Rehabilitation LTD. | Grouting method for anchoring with polymer |
| CN210013215U (en) * | 2019-02-14 | 2020-02-04 | 中国人民解放军军事科学院国防工程研究院工程防护研究所 | Light flexible grout stopping bag for anchor cable and anchor rod construction |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105201514B (en) | A kind of water-bearing stratum shaft wall structure and construction method | |
| CN102296603B (en) | Grouting-stopping plug and system for anchor rod (anchor cable) | |
| CN109837895A (en) | A kind of big pressure dispersing anchorage cable construction of depth | |
| CN211228493U (en) | Cage core bag for anchor rod and bag anchor rod | |
| CN109056722B (en) | Full-length corrosion-resistant bonded pre-stressed anchor cable | |
| CN218376527U (en) | Hollow grouting constant-resistance anchor cable for soft rock roadway | |
| CN202227339U (en) | Grout-stopping plug and grout-stopping system for anchor rod rope | |
| CN112459056A (en) | Novel canvas type grout stopping bag and using method | |
| CN108661092A (en) | A kind of pile body attachment device for self-balance test stake | |
| CN217460548U (en) | Bag grouting squeezing and expanding combined anchor rod with built-in prestressed rod core | |
| CN208701671U (en) | Anchor cable | |
| CN211057788U (en) | Pipe and cable composite anchor cable | |
| CN110409523A (en) | A kind of load box of two-tube reversible unidirectional grouting under pressure | |
| CN215290070U (en) | Offshore wind turbine pile foundation grouting plugging device | |
| CN213476859U (en) | Prestressed anchor cable structure suitable for broken rock mass | |
| CN112176994B (en) | Construction method of prestressed anchor cable structure suitable for broken rock mass | |
| CN211472606U (en) | Load box for double-tube reversible unidirectional pressurizing grouting | |
| CN209523770U (en) | A kind of slip casting combination of steel rope device | |
| CN110685282B (en) | Anchor cable bearing device, anchor cable and tensioning construction method thereof | |
| CN111764384B (en) | Adopt single-deck bellows and resin material to realize anticorrosive anchor rope structure of double-deck | |
| CN211922611U (en) | Adopt single-deck corrugated sleeve pipe and prefabricated anchor section to realize anticorrosive anchor rope structure of double-deck | |
| CN212534137U (en) | Anchor cable suitable for conditions of cracks and karst cavities in side slope body | |
| CN209760317U (en) | Novel anchor backing plate device for basic test of anchor cable | |
| KR100823603B1 (en) | Casket anchor | |
| CN114525781A (en) | Prestressed rod core bag grouting combined anti-floating component and construction method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210309 |
|
| RJ01 | Rejection of invention patent application after publication |