CN206438517U - It is a kind of to cohere type prestress anchorage cable suitable for strong off-load development side slope - Google Patents
It is a kind of to cohere type prestress anchorage cable suitable for strong off-load development side slope Download PDFInfo
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- CN206438517U CN206438517U CN201620821295.3U CN201620821295U CN206438517U CN 206438517 U CN206438517 U CN 206438517U CN 201620821295 U CN201620821295 U CN 201620821295U CN 206438517 U CN206438517 U CN 206438517U
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- prestress anchorage
- anchorage cable
- strong
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- side slope
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Abstract
The utility model offer is a kind of to cohere type prestress anchorage cable suitable for strong off-load development side slope; including grouted part and tensioning section; the front end of the grouted part is provided with guiding cap; the end of the tensioning section is embedded in concrete anchor pier; its outside is provided with protective cap; the grouted part and the boundary of tensioning section are provided with only slurry bag, and the tensioning section is interior to set bellows, and the inner of the bellows is provided with grout stop.Structural shape of the present utility model can ensure to be applied to cohere the durability of type prestress anchorage cable in strong off-load development side slope, and reduce the cost of slope reinforcement.
Description
Technical field
The utility model, which is related to, a kind of develop side slope suitable for strong off-load and coheres type prestress anchorage cable, it is adaptable to water conservancy water
The slope anchorage that the unfavorable geological conditions such as strong relief joint are developed is handled in electrical engineering, traffic engineering.
Background technology
With the development of national economy, China largely builds Hydraulic and Hydro-Power Engineering, traffic engineering in western part, these engineerings
The side slope body of the unfavorable geological conditions such as strong relief joint development is commonly encountered in construction.The stability of these natural slopes is poor, generally
Anchoring processing need to be carried out using prestress anchorage cable.Strong relief joint width is big, extension length, causes the grouting amount of free segment big, and
And be likely to occur and can not obtain the problem of cement slurry is protected without returning slurry, anchor cable body.It is under these conditions, conventional that to cohere type pre-
Stress anchor cable can not be applied, and cohere type anchor cable due to cement slurry directly wrap up steel strand wires and with drilling palisades full grouted,
The example destroyed in engineering is seldom.
The content of the invention
Technical problem to be solved in the utility model is：There is provided it is a kind of suitable for strong off-load develop side slope to cohere type pre-
Stress anchor cable, can will cohere side slope body of the type prestress anchorage cable applied to the development of the unfavorable geological conditions such as strong relief joint, carry
The stabilization of high slope and the durability of ruggedized construction, and reduce the cost of slope reinforcement.
The utility model solves the technical scheme that is used of technical problem：It is a kind of to develop the glutinous of side slope suitable for strong off-load
Junction type prestress anchorage cable, including grouted part and tensioning section, the front end of the grouted part is provided with guiding cap（15）, the tensioning
The end of section is embedded in concrete anchor pier（20）Interior, its outside is provided with protective cap（22）, the grouted part and the tensioning section
Boundary provided with only slurry bag（14）, the tensioning section is interior to set bellows（3）, the bellows（3）The inner provided with only starch
Ring（13）.
While using above-mentioned technical proposal, the utility model can also be used or combined using further below
Technical scheme：
Setting structure component steel strand wires in the tensioning section（2）, the bellows（3）It is arranged on the steel strand wires（2）Outside
Side, the steel strand wires（2）For bare wire, covered without PE.
Set in the grouted part without zinc galvanized wire（12）, and the setting anchoring section isolating frame that is spaced a distance（11）.
A phase pulp-inlet pipe is provided with the prestress anchorage cable（6）With a phase return pipe（7）, the phase pulp-inlet pipe（6）Pass through
Wear inside whole prestress anchorage cable, its outlet stretches out in the guiding cap（15）Outside, its entrance is located at the concrete anchor pier
（20）Outside, by protective cap after grouting is finished（22）And wherein fill in fill out grease（23）Closure, the phase return pipe
（7）Through the tensioning intersegmental part, its entrance is located in the grouted part, and it, which is exported, is located at the concrete anchor pier（20）It
Outside, by protective cap after grouting is finished（22）And wherein fill in fill out grease（23）Closure.
Pulp-inlet pipe inside the second phase is additionally provided with the tensioning section（9）, second phase outside pulp-inlet pipe（8）With the second stage of return pipe
（10）, the second phase internal pulp-inlet pipe（9）With pulp-inlet pipe outside the second phase（8）Entrance be located at the concrete anchor pier（20）It
Outside, by protective cap after grouting is finished（22）And wherein fill in fill out grease（23）Closure, it, which is exported, is located at tensioning section
Front half section inside, the second stage of return pipe（10）Entrance be located at the tensioning section second half section inside, its export be located at institute
State concrete anchor pier（20）Outside, by protective cap after grouting is finished（22）And wherein fill in fill out grease（23）Closure.
The outer end of the prestress anchorage cable is installed by anchorage（21）.
The concrete anchor pier（20）Outer surface be provided with anchor plate（19）, the protective cap（22）It is welded on the anchor pad
Plate（19）On.
The prestress anchorage cable is externally provided with guiding steel pipe（18）, the guiding steel pipe（18）Installed in drilling（1）It is interior, it is described
It is oriented to steel pipe（18）Interior certain position is provided with to medium-height trestle（5）.
The beneficial effects of the utility model are：The characteristics of strong off-load development side slope be crack width is big, extension length, glutinous
The tensioning section of junction type prestress anchorage cable sets bellows, and sets grout stop in the inner of bellows, it is ensured that the steel of tensioning section anchor cable
Twisted wire is wrapped up by cement slurry；Slurry is entered in space by bottom pulp-inlet pipe between bellows and the wall of a borehole and ripple tube top is returned slurry and filled out
Fill, it is easier to be filled, structural shape of the present utility model can ensure to be applied to cohere type prestressing force in strong off-load development side slope
The durability of anchor cable, and reduce the cost of slope reinforcement.
Brief description of the drawings
Fig. 1 is the structure chart of the utility model embodiment.
Fig. 2 is Fig. 1 A-A profiles.
Fig. 3 is Fig. 1 B-B profiles.
Embodiment
It is of the present utility model as shown in the figure to cohere in type prestress anchorage cable, including grouted part and tensioning section, the present embodiment,
The strong relief joint of development is distributed in the tensioning segment limit of prestress anchorage cable in side slope, and grouted part is located in more complete rock mass,
The front end of the grouted part is provided with guiding cap 15, and the end of the tensioning section is embedded in concrete anchor pier 20, and its outside is set
There is a protective cap 22, the boundary of the grouted part and tensioning section sets ripple provided with only slurry bag 14 in the tensioning section
Pipe 3, the inner of the bellows 3 is provided with grout stop 13.
Setting structure component steel strand wires 2 in the tensioning section, the bellows 3 is arranged on the outside of steel strand wires 2, described
Steel strand wires 2 are bare wire, are covered without PE.
Set in the grouted part without zinc galvanized wire 12, and the setting anchoring section isolating frame 11 that is spaced a distance.
A phase pulp-inlet pipe 6 and a phase return pipe 7 are provided with the prestress anchorage cable, the phase pulp-inlet pipe 6 is through whole
Inside prestress anchorage cable, its outlet is stretched out in outside the guiding cap 15, and its entrance is located at outside the concrete anchor pier 20,
Grouting is filled out grease 23 by protective cap 22 and in wherein filling after finishing and blocked, and the phase return pipe 7 is through tensioning section
Inside, its entrance is located in the grouted part, and it, which is exported, is located at outside the concrete anchor pier 20, is protected after grouting is finished
Helmet 22 and wherein fill in fill out grease 23 and block.
Pulp-inlet pipe 9 inside the second phase, second phase outside pulp-inlet pipe 8 and the second stage of return pipe 10 are additionally provided with the tensioning section, it is described
The entrance of the second stage of internal pulp-inlet pipe 9 and second phase outside pulp-inlet pipe 8 is located at outside the concrete anchor pier 20, the quilt after grouting is finished
Protective cap 22 and wherein fill in fill out grease 23 and block, it, which is exported, is located inside the front half section of tensioning section, the second phase
The entrance of return pipe 10 was located inside the second half section of tensioning section, and it, which is exported, is located at outside the concrete anchor pier 20, is filling
Slurry is filled out grease 23 by protective cap 22 and in wherein filling after finishing and blocked.
The outer end of the prestress anchorage cable is installed by anchorage 21.
The outer surface of the concrete anchor pier 20 is provided with anchor plate 19, and the protective cap 22 is welded on the anchor plate 19
On.
The prestress anchorage cable is externally provided with guiding steel pipe 18, and the guiding steel pipe 18 is arranged in drilling 1, the guiding steel
Certain position in pipe 18 is provided with to medium-height trestle 5.
Implementation steps are as follows：
(1) in side slope internal drilling 1, get into thoroughly to be rushed with high-pressure blast after design hole depth and sweep drilling.
(2) structure chart as shown in Fig. 1 ~ Fig. 3, the component marked as 2 ~ 15 is carried out to be assembled into anchor beam, and penetrate drilling 1
It is interior.
(3) slip casting is carried out to grouted part using a phase pulp-inlet pipe 6, and fills only slurry bag 14, a phase return pipe 7 is vented
Overfall, when plasma discharge proportion is identical with grouting proportion, pressurization screen slurry makes grouted part be full of cement slurry 16.
(4) by outer anchor pier head of the diagram to the component construction prestress anchorage cable marked as 17 ~ 20, grouted part cement is treated
Slurry 16 and armored concrete anchor pier 20 reached after design strength, installs anchorage 21 and tension steel strand 2 is to builder's tonnage, then
Locking.
(5) carry out tensioning section sealing of hole using the second stage of internal pulp-inlet pipe 8 and second phase outside pulp-inlet pipe 9 to be in the milk, the second stage of return pipe
10 exhaust overfalls, when plasma discharge proportion is identical with grouting proportion, pressurization screen slurry makes tensioning section be full of cement slurry 16.
(6) steel strand wires 2 unnecessary outside anchorage 21 are cut off, by protective cap 22 and the welded and installed of anchor plate 19, grease 23 are inside filled out
Protected, using anticorrosive paint protection on the outside of protection steel cap and exposed billet, complete the construction of prestress anchorage cable.
Claims (7)
1. a kind of cohere type prestress anchorage cable suitable for what side slope was developed in strong off-load, including grouted part and tensioning section, it is described in
The front end of anchoring section is provided with guiding cap（15）, the end of the tensioning section is embedded in concrete anchor pier（20）Interior, its outside is provided with
Protective cap（22）, it is characterised in that：The grouted part and the boundary of tensioning section are provided with only slurry bag（14）, the tensioning
Bellows is set in section（3）, the bellows（3）The inner be provided with grout stop（13）.
2. according to claim 1 cohere type prestress anchorage cable suitable for strong off-load development side slope, it is characterised in that：Institute
State setting structure component steel strand wires in tensioning section（2）, the bellows（3）It is arranged on the steel strand wires（2）Outside, the steel is twisted
Line（2）For bare wire, covered without PE.
3. according to claim 1 cohere type prestress anchorage cable suitable for strong off-load development side slope, it is characterised in that：Institute
State in grouted part and set without zinc galvanized wire（12）, and the setting anchoring section isolating frame that is spaced a distance（11）.
4. according to claim 1 cohere type prestress anchorage cable suitable for strong off-load development side slope, it is characterised in that：Institute
State and a phase pulp-inlet pipe is provided with prestress anchorage cable（6）With a phase return pipe（7）, the phase pulp-inlet pipe（6）In advance should through whole
Inside power anchor cable, its outlet stretches out in the guiding cap（15）Outside, its entrance is located at the concrete anchor pier（20）Outside,
It is in the milk after finishing by protective cap（22）And wherein fill in fill out grease（23）Closure, the phase return pipe（7）Through described
Tensioning intersegmental part, its entrance is located in the grouted part, and it, which is exported, is located at the concrete anchor pier（20）Outside, it is being in the milk
By protective cap after finishing（22）And wherein fill in fill out grease（23）Closure.
5. according to claim 1 cohere type prestress anchorage cable suitable for strong off-load development side slope, it is characterised in that：Institute
State in tensioning section and be additionally provided with pulp-inlet pipe inside the second phase（9）, second phase outside pulp-inlet pipe（8）With the second stage of return pipe（10）, the second phase
Internal pulp-inlet pipe（9）With pulp-inlet pipe outside the second phase（8）Entrance be located at the concrete anchor pier（20）Outside, after grouting is finished
By protective cap（22）And wherein fill in fill out grease（23）Closure, it, which is exported, is located inside the front half section of tensioning section, institute
State the second stage of return pipe（10）Entrance be located at the tensioning section second half section inside, its export be located at the concrete anchor pier（20）
Outside, by protective cap after grouting is finished（22）And wherein fill in fill out grease（23）Closure.
6. according to claim 1 cohere type prestress anchorage cable suitable for strong off-load development side slope, it is characterised in that：Institute
The outer end for stating prestress anchorage cable is installed by anchorage（21）.
7. according to claim 1 cohere type prestress anchorage cable suitable for strong off-load development side slope, it is characterised in that：Institute
State concrete anchor pier（20）Outer surface be provided with anchor plate（19）, the protective cap（22）It is welded on the anchor plate（19）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620821295.3U CN206438517U (en) | 2016-07-29 | 2016-07-29 | It is a kind of to cohere type prestress anchorage cable suitable for strong off-load development side slope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620821295.3U CN206438517U (en) | 2016-07-29 | 2016-07-29 | It is a kind of to cohere type prestress anchorage cable suitable for strong off-load development side slope |
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| Publication Number | Publication Date |
|---|---|
| CN206438517U true CN206438517U (en) | 2017-08-25 |
Family
ID=59644950
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620821295.3U Active CN206438517U (en) | 2016-07-29 | 2016-07-29 | It is a kind of to cohere type prestress anchorage cable suitable for strong off-load development side slope |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107905260A (en) * | 2017-12-01 | 2018-04-13 | 中国电建集团华东勘测设计研究院有限公司 | A kind of prestressed anchor Cable Structure suitable for crane beam on rock wall for underground power house position |
| CN109056722A (en) * | 2018-08-22 | 2018-12-21 | 中国电建集团华东勘测设计研究院有限公司 | A kind of overall length anti-corrosion has binding type prestress anchorage cable |
| CN111945726A (en) * | 2020-08-21 | 2020-11-17 | 中国电建集团贵阳勘测设计研究院有限公司 | Construction method of strong unloading broken rock mass prestressed anchor cable |
-
2016
- 2016-07-29 CN CN201620821295.3U patent/CN206438517U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107905260A (en) * | 2017-12-01 | 2018-04-13 | 中国电建集团华东勘测设计研究院有限公司 | A kind of prestressed anchor Cable Structure suitable for crane beam on rock wall for underground power house position |
| CN109056722A (en) * | 2018-08-22 | 2018-12-21 | 中国电建集团华东勘测设计研究院有限公司 | A kind of overall length anti-corrosion has binding type prestress anchorage cable |
| CN109056722B (en) * | 2018-08-22 | 2023-11-14 | 中国电建集团华东勘测设计研究院有限公司 | Full-length corrosion-resistant bonded pre-stressed anchor cable |
| CN111945726A (en) * | 2020-08-21 | 2020-11-17 | 中国电建集团贵阳勘测设计研究院有限公司 | Construction method of strong unloading broken rock mass prestressed anchor cable |
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