CN110130370A - The control construction method of the mortar grouting amount of prestressed anchor anchoring section - Google Patents
The control construction method of the mortar grouting amount of prestressed anchor anchoring section Download PDFInfo
- Publication number
- CN110130370A CN110130370A CN201910455733.7A CN201910455733A CN110130370A CN 110130370 A CN110130370 A CN 110130370A CN 201910455733 A CN201910455733 A CN 201910455733A CN 110130370 A CN110130370 A CN 110130370A
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- CN
- China
- Prior art keywords
- prestressed anchor
- steel plate
- anchoring section
- mortar
- grouting
- 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.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
-
- 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
- E02D5/76—Anchorings for bulkheads or sections thereof in as much as specially adapted therefor
Abstract
The invention discloses a kind of control construction methods of mortar grouting amount for slope protection prestressed anchor anchoring section comprising the step of only starching Interal fixation installation；The step of Grouting Pipe is installed；The step of prestressed anchor is installed；The step of anchorage mortar slip casting.Only slurry steel plate sandwiches 1 rubber ring composition using 2 steel plate centers, will stop slurry Interal fixation by nut.Only slurry steel plate reserves injected hole and gas vent respectively, it is connected between injected hole and slip casting machine using Grouting Pipe, slip casting is carried out by injected hole, guarantees the smooth of slip casting, anchoring section air is discharged by gas vent, and then realizes the purpose that prestressed anchor anchoring section anchorage length effectively controls；It to effectively control mortar usage amount, and can guarantee construction quality, realize prestressed anchor construction standardization.
Description
Technical field
The present invention relates to cutting slope defending prestressed anchor construction fields, more particularly to a kind of slope protection that is used for answer in advance
The control construction method of anchor rod anchored section of power of mortar grouting amount.
Background technique
Currently, with the rapid development of our country's economy, urban population ratio is growing, the city in mountain area is also continuous
Expand, to meet mountain city transport development needs, highway Construction amount increases year by year in mountain area.But by highway pavement width compared with
The factors such as big influence, and for highway when passing through mountain area, often cost is high, construction risk is big for the large-span tunnel of use, therefore in mountain area
There is more high slope subgrade construction in city.High slope prevents slope surface compared with mostly using prestressed anchor+Vierendeel girder mode
Shield, prestressed anchor anchoring section grouting amount number directly influence prestressed anchor anchoring quality and mortar amount slope protection work
The quality of journey processing directly influences the stability of roadbed side slope, safe mass.There has been no specific control working measures at present
It is seen in report.
Summary of the invention
In view of above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide one kind to be used for slope protection prestressed anchor
The control construction method of the mortar grouting amount of anchoring section improves prestressed anchor anchoring section by the control of anchoring section grouting amount
Grouting quality realizes prestressed anchor construction standardization.
In order to solve the above technical problems, the present invention program includes:
A kind of control construction method of the mortar grouting amount for slope protection prestressed anchor anchoring section comprising following step
It is rapid:
After prestressed anchor is installed, the slip casting of anchoring section anchorage mortar is carried out；Grouting Pipe is connect with grouting pump, according to setting in advance
The mortar strength configuration coordination in works set, mixes and stirs mortar by agitator according to coordination in works；
Slurries are pressed into the anchoring section of prestressed anchor using grouting pump by the mortar mixed and stirred by Grouting Pipe；Anchoring section is with showwing loving care for
Slurry amount increases, and air is discharged by gas vent for anchoring section air；Until anchoring section slip casting is completed.
The control construction method, wherein further comprising the steps of before prestressed anchor installation:
Only slurry steel plate and rubber ring are processed according to construction drawing, by initial workpiece system to the steel plate of machine-shaping and rubber ring into
Row is checked, is adjusted；
It is only starched between steel plate in two panels and sandwiches rubber ring, then be installed on the fixed position of prestressed anchor, using anchoring spiral shell
Only slurry steel plate and rubber ring bilateral are reinforced and are fixed on the designated position of prestressed anchor by mother.
The control construction method, wherein above-mentioned only slurry steel plate is connect with Grouting Pipe, only starches the company of steel plate and Grouting Pipe
The place of connecing is fixed using plastics anchor ear, and Grouting Pipe extends to prestressed anchor outermost, connect with grouting pump, Grouting Pipe and prestressing force
The fixed Grouting Pipe of one of plastics anchor ear is arranged in anchor pole at the distance at interval of 2 meters.
The control construction method, wherein prestressed anchor is gone out to install to middle bracket by preset requirement corresponding, is taken
Manually mode is penetrated to penetrate prestressed anchor in anchor hole.
The control construction method, wherein above-mentioned only slurry steel plate is circle, and the center portion thereof is provided with for prestressed anchor
The centre bore that bar passes through, the side for only starching steel plate are provided with injected hole, and the other side is provided with exhaust pin hole, the center of injected hole with
The center for being vented pin hole is located on the only diameter line of slurry steel plate.
The control construction method, wherein above-mentioned steps are specific further include:
After grouting pump gage pressure is gradually increased according to the observation, after grouting pump continues slip casting 3 seconds, determine that anchoring section slip casting is complete
At.
The present invention provides a kind of control construction parties of mortar grouting amount for slope protection prestressed anchor anchoring section
Method only starches steel plate using professional lathe process molding, guarantees only slurry steel plate machining accuracy, it is determined that prestressed anchor anchorage length
Position is installed only slurry steel plate, Grouting Pipe according to position, after prestressed anchor is installed, carries out anchoring section anchorage mortar
Slip casting；Grouting Pipe is connect with grouting pump, is configured coordination in works according to design mortar strength, is passed through stirring according to coordination in works
Bucket mixes and stirs mortar, and slurries are pressed into anchoring section by Grouting Pipe using grouting pump by the mortar mixed and stirred；Anchoring section is with grouting amount
Increase, air is discharged by gas vent for anchoring section air；Determine that anchoring section slip casting is completed according to grouting pump pressure change；It is logical
It crosses only utilization of the slurry steel plate in prestressed pore passage, anchoring section grouting amount and has obtained effective control, to effectively control mortar
Usage amount, and can guarantee construction quality, realize prestressed anchor construction standardization.
Detailed description of the invention
Fig. 1 is the flow diagram that construction method is controlled in the present invention；
Fig. 2 is the schematic diagram that the present invention stops slurry steel plate；
Fig. 3 is the cross-sectional view of prestressed anchor anchoring section in the present invention；
Fig. 4 is schematic diagram when constructing in the present invention.
Specific embodiment
The present invention provides a kind of control construction parties of mortar grouting amount for slope protection prestressed anchor anchoring section
Method, to make the purpose of the present invention, technical solution and effect clearer, clear and definite, the present invention is described in more detail below.It answers
Work as understanding, the specific embodiments described herein are merely illustrative of the present invention, is not intended to limit the present invention.
The present invention provides a kind of control construction parties of mortar grouting amount for slope protection prestressed anchor anchoring section
Method is specific as follows:
It includes the steps that the processing, assembling and positioning of only starching steel plate 1 are fixedly connected；
It includes the steps that Grouting Pipe 2 is connect with only slurry steel plate 1；
It includes the steps that prestressed anchor 3 is installed；
It includes the steps that 4 slip casting of anchoring section anchors.
The step of above-mentioned only slurry processing of steel plate 1, assembling and positioning are fixedly connected include:
Only slurry steel plate 1 and rubber ring 5 are processed according to construction drawing, it, need to be using profession to guarantee processing dimension accuracy
Lathe process molding, is checked by steel plate and rubber ring of the initial workpiece system to machine-shaping, is adjusted；
Two panels is only starched between steel plate 1 and sandwiches rubber ring 5, and is mounted on the fixation position of prestressed anchor 3, using anchoring spiral shell
Only slurry steel plate 1 and 5 bilateral of rubber ring are reinforced and are fixed on the designated position of prestressed anchor 3 by mother 6.
As shown in Figure 2 and Figure 3, above-mentioned only slurry steel plate 1 is circle, and the center portion thereof is provided with wears for prestressed anchor 3
The centre bore crossed, the side for only starching steel plate 1 are provided with injected hole 7, and the other side is provided with exhaust pin hole 8, the center of injected hole 7 with
The center for being vented pin hole 8 is located on the only diameter line of slurry steel plate 1.
And only slurry steel plate 1 is connect with Grouting Pipe 2, and junction is fixed using plastics anchor ear, as shown in Figure 4, Grouting Pipe 2
3 outermost of prestressed anchor is extended to, is connect with grouting pump, Grouting Pipe 2 is with prestressed anchor 3 at a distance from interval of 2 meters
The fixed Grouting Pipe of one of plastics anchor ear is set.
And prestressed anchor 3 is installed on the design position of prestressed anchor 3 to middle bracket by design drawing requirement, is taken
Manually mode is penetrated to penetrate anchor pole in anchor hole.
Particularly, as shown in Figure 1, after prestressed anchor 3 is installed, carry out 4 anchorage mortar slip casting of anchoring section；Note
Slurry pipe 2 is connect with grouting pump, configures coordination in works according to design mortar strength, for example use the mortar strength of M30, construction is matched
Composition and division in a proportion mass ratio are as follows: cement: river sand: water: swelling agent=1:1.04:0.41:0.08 is mixed according to coordination in works by agitator
And slurries are pressed into anchoring section 4 by Grouting Pipe 2 using grouting pump by mortar, the mortar mixed and stirred.Anchoring section 4 increases with grouting amount
Add, air is discharged by being vented pin hole 8 for anchoring section air.And 4 slip casting of anchoring section is determined according to the variation of slip casting pump pressure
Completion status.Such as according to the observation after grouting pump gage pressure is gradually increased, after grouting pump continues slip casting 3 seconds, anchor is determined
Gu section slip casting is completed.
In order to be exemplified below more detailed embodiment and be illustrated with the present invention is described in further detail.
Prestressed anchor construction technology process: Interal fixation is only starched in prestressed anchor designated position → Grouting Pipe and is stopped
Starch steel plate connection → prestressed anchor pole → anchoring section slip casting.
It is 90mm according to construction drawing anchor hole diameter, only slurry steel plate 1 and rubber ring 5 is processed using professional lathe,
It only starches steel plate 1 and rubber ring 5 is all made of 2mm thickness diameter 90mm, only starch steel plate 1 and stay exhaust pin hole 8 and injected hole 7, by initial workpiece
It makes and only slurry steel plate 1 and the rubber ring 5 of machine-shaping is checked, adjusted；By the only slurry steel plate 1 processed and 5 sets of rubber ring
The anchoring section 4 for entering prestressed anchor 3 is fixed it using matching nut.
It is fixed in only slurry steel plate 1 and the junction of Grouting Pipe 2 using plastics anchor ear, Grouting Pipe 2 extends to prestressed anchor 3
Outermost is connect with grouting pump, and plastics anchor ear pair together is arranged with prestressed anchor 3 in Grouting Pipe 2 at a distance from interval of 2 meters
Grouting Pipe 2 is fixed.
And prestressed anchor 3 is installed on the design position of prestressed anchor 3 to middle bracket by design drawing requirement, is taken
Manually mode is penetrated to penetrate anchor pole in anchor hole.
Particularly, after prestressed anchor 3 is installed, 4 anchorage mortar slip casting of anchoring section is carried out；Grouting Pipe 2 and slip casting
Pump connection configures coordination in works according to design mortar strength, mixes and stirs mortar by agitator according to coordination in works, mix and stir
Mortar using grouting pump by Grouting Pipe 2 by slurries be pressed into anchoring section 4.Anchoring section 4 increases with grouting amount, by anchoring section sky
Air is discharged by being vented pin hole 8 for gas.And the completion status of 4 slip casting of anchoring section is determined according to the variation of slip casting pump pressure.
Certainly, described above is only that presently preferred embodiments of the present invention is answered the present invention is not limited to enumerate above-described embodiment
When explanation, anyone skilled in the art is all equivalent substitutes for being made, bright under the introduction of this specification
Aobvious variant, all falls within the essential scope of this specification, ought to be by protection of the invention.
Claims (6)
1. a kind of control construction method of the mortar grouting amount for slope protection prestressed anchor anchoring section comprising following step
It is rapid:
After prestressed anchor is installed, the slip casting of anchoring section anchorage mortar is carried out；Grouting Pipe is connect with grouting pump, according to setting in advance
The mortar strength configuration coordination in works set, mixes and stirs mortar by agitator according to coordination in works；
Slurries are pressed into the anchoring section of prestressed anchor using grouting pump by the mortar mixed and stirred by Grouting Pipe；Anchoring section is with showwing loving care for
Slurry amount increases, and air is discharged by gas vent for anchoring section air；Until anchoring section slip casting is completed.
2. control construction method according to claim 1, which is characterized in that further include following step before prestressed anchor installation
It is rapid:
Only slurry steel plate and rubber ring are processed according to construction drawing, by initial workpiece system to the steel plate of machine-shaping and rubber ring into
Row is checked, is adjusted；
It is only starched between steel plate in two panels and sandwiches rubber ring, then be installed on the fixed position of prestressed anchor, using anchoring spiral shell
Only slurry steel plate and rubber ring bilateral are reinforced and are fixed on the designated position of prestressed anchor by mother.
3. control construction method according to claim 2, which is characterized in that above-mentioned only slurry steel plate is connect with Grouting Pipe, only
The junction of slurry steel plate and Grouting Pipe is fixed using plastics anchor ear, and Grouting Pipe extends to prestressed anchor outermost, with grouting pump
The fixed Grouting Pipe of plastics anchor ear together is arranged with prestressed anchor at a distance from interval of 2 meters for connection, Grouting Pipe.
4. control construction method according to claim 2, which is characterized in that prestressed anchor is being corresponded to by preset requirement
Centering bracket is installed, is taken and is manually penetrated mode and penetrate prestressed anchor in anchor hole.
5. control construction method according to claim 2, which is characterized in that above-mentioned only slurry steel plate is circle, the center portion thereof
It is provided with the centre bore passed through for prestressed anchor, the side for only starching steel plate is provided with injected hole, and the other side is provided with exhaust
Pin hole, the center of injected hole and the center of exhaust pin hole are located on the only diameter line of slurry steel plate.
6. control construction method according to claim 1, which is characterized in that above-mentioned steps are specific further include:
After grouting pump gage pressure is gradually increased according to the observation, after grouting pump continues slip casting 3 seconds, determine that anchoring section slip casting is complete
At.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910455733.7A CN110130370A (en) | 2019-05-29 | 2019-05-29 | The control construction method of the mortar grouting amount of prestressed anchor anchoring section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910455733.7A CN110130370A (en) | 2019-05-29 | 2019-05-29 | The control construction method of the mortar grouting amount of prestressed anchor anchoring section |
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| CN110130370A true CN110130370A (en) | 2019-08-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201910455733.7A Pending CN110130370A (en) | 2019-05-29 | 2019-05-29 | The control construction method of the mortar grouting amount of prestressed anchor anchoring section |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202416313U (en) * | 2011-12-21 | 2012-09-05 | 中铁第四勘察设计院集团有限公司 | Anchor rod with expanded ends |
| CN103195061A (en) * | 2013-04-07 | 2013-07-10 | 浙江华东建设工程有限公司 | Multi-functional casing pipe part and anchor rod construction method using same |
| CN203452072U (en) * | 2013-08-29 | 2014-02-26 | 中建三局第一建设工程有限责任公司 | Control device of anchor cable protection layer |
| CN104790393A (en) * | 2015-04-23 | 2015-07-22 | 万军利 | Double-anchoring-section prestress anchor cable structure and constructing method thereof |
| CN108677944A (en) * | 2018-06-29 | 2018-10-19 | 北京矿务局综合地质工程公司 | Partition-type high pressure plug-hole grouted anchor bar and its grouting method |
-
2019
- 2019-05-29 CN CN201910455733.7A patent/CN110130370A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202416313U (en) * | 2011-12-21 | 2012-09-05 | 中铁第四勘察设计院集团有限公司 | Anchor rod with expanded ends |
| CN103195061A (en) * | 2013-04-07 | 2013-07-10 | 浙江华东建设工程有限公司 | Multi-functional casing pipe part and anchor rod construction method using same |
| CN203452072U (en) * | 2013-08-29 | 2014-02-26 | 中建三局第一建设工程有限责任公司 | Control device of anchor cable protection layer |
| CN104790393A (en) * | 2015-04-23 | 2015-07-22 | 万军利 | Double-anchoring-section prestress anchor cable structure and constructing method thereof |
| CN108677944A (en) * | 2018-06-29 | 2018-10-19 | 北京矿务局综合地质工程公司 | Partition-type high pressure plug-hole grouted anchor bar and its grouting method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200507 Address after: 130000 416 crescent Road, Kuancheng District, Jilin, Changchun Applicant after: THE BRIDGE ENGINEERING CO., LTD. OF CTCE Group Applicant after: CHINA RAILWAY NO.4 ENGINEERING GROUP Co.,Ltd. Address before: 130000 416 crescent Road, Kuancheng District, Jilin, Changchun Applicant before: THE BRIDGE ENGINEERING CO., LTD. OF CTCE Group |
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| TA01 | Transfer of patent application right | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190816 |
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| RJ01 | Rejection of invention patent application after publication |