CN204645037U - A kind of anchor pier structure of lining cutting built-in type prestress anchorage cable - Google Patents
A kind of anchor pier structure of lining cutting built-in type prestress anchorage cable Download PDFInfo
- Publication number
- CN204645037U CN204645037U CN201520344909.9U CN201520344909U CN204645037U CN 204645037 U CN204645037 U CN 204645037U CN 201520344909 U CN201520344909 U CN 201520344909U CN 204645037 U CN204645037 U CN 204645037U
- Authority
- CN
- China
- Prior art keywords
- anchor pier
- lining cutting
- prestress anchorage
- anchorage cable
- anchor
- 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.)
- Withdrawn - After Issue
Links
Landscapes
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The utility model discloses a kind of anchor pier structure of lining cutting built-in type prestress anchorage cable.Be provided with the lining cutting of reinforcing bar in described anchor pier structure comprises, be anchored at the anchor pier on country rock by dowel, and prestress anchorage cable; Described anchor pier is arranged between lining cutting and country rock, and described prestress anchorage cable passes described anchor pier and is anchored on country rock; Being embedded at least partly in lining cutting and being fixedly connected with lining cutting and forming overall structure of described anchor pier.The utility model anchor pier structure can be constructed with during anchor cable construction as required in advance, and the later stage can effectively connect into an entirety with liner structure again.
Description
Technical field
The utility model relates to a kind of anchor pier structure of lining cutting built-in type prestress anchorage cable, is particularly suitable for the Deformation control to the poor underground rock cavern of geological conditions.
Background technology
At present on the poor underground chamber of geological conditions often combined bolting and shotcrete and concrete-lined basis, also need arrangement prestress anchor cable to control surrounding rock of chamber distortion, but often prestress anchorage cable need construction in advance, constructs after liner structure.
Conventional way is exactly that prestress anchorage cable anchor pier takes concrete anchor pier or steel anchor pier.The concrete anchor pier of prefabricated (cast-in-place) adopts positive rectangular pyramid stage body (or steel anchor pier), directly be seated in lining cutting surface, although this structure can reach the effect of liner structure and anchor cable structure coaction, but anchor pier accounts for certain space on lining cutting surface and impact is attractive in appearance, and lining cutting often requires first to construct, lining cutting to be constructed after reserved anchor cable hole anchor cable structure again, the effect of anchor cable immediate support after construction and excavation cannot be given full play to.For not affecting space and attractive in appearance, often adopt again liner structure and anchor cable structure to throw off the mode of arranging, between anchor pier structure and liner structure are arranged, parting is arranged.Though solve anchor pier like this take up space and affect problem attractive in appearance, anchor pier and lining cutting are thrown off, and do not have the effect of coaction.
Utility model content
The utility model aims to provide a kind of anchor pier structure of lining cutting built-in type prestress anchorage cable, and this anchor pier structure can be constructed with during anchor cable construction as required in advance, and the later stage can effectively connect into an entirety with liner structure again.
To achieve these goals, the technical scheme that the utility model adopts is:
An anchor pier structure for lining cutting built-in type prestress anchorage cable, comprises
Inside be provided with the lining cutting of reinforcing bar;
Be anchored at the anchor pier on country rock by dowel, this anchor pier is arranged between lining cutting and country rock;
Prestress anchorage cable, this prestress anchorage cable passes described anchor pier and is anchored on country rock; Its design feature is:
Being embedded at least partly in lining cutting and being fixedly connected with lining cutting and forming overall structure of described anchor pier.
According to embodiment of the present utility model, can also do further to optimize to the utility model, the technical scheme below for being formed after optimization:
As the preferred fixed form of one, be provided with the joint bar that part stretches out anchor pier in described anchor pier, the part that this joint bar stretches out anchor pier is arranged in lining cutting, thus forms reliable connection.
In order to improve the reliability that lining cutting is connected with anchor pier further, described joint bar is connected with the reinforcement welding in lining cutting.
In order to ensure anchor pier, connection reliability between country rock and lining cutting three, described joint bar and dowel are weldingly connected.
Preferably, one end of described prestress anchorage cable is anchored on the outer face of anchor pier by ground tackle, and this ground tackle is arranged between lining cutting and anchor pier.
Further, the inner side of described lining cutting and anchor pier is equipped with the pneumatically placed concrete layer being sprayed on country rock external surface.
According to embodiment of the present utility model, described lining cutting and anchor pier are reinforced concrete structure, and when can ensure to water building lining, lining cutting and anchor pier form integral structure.
The construction method of the anchor pier structure of lining cutting built-in type prestress anchorage cable described in the utility model comprises the steps:
1) after cavern ends supporting, by prefabricated concrete anchor pier by prestressed cable anchorage on country rock, be provided with part in this anchor pier and stretch out the joint bar of anchor pier;
2) reinforcing bar of lining cutting and described joint bar are weldingly connected;
3) adopt concrete casting building lining, anchor pier is embedded in lining cutting, makes described lining cutting and anchor pier form integral structure.
In order to ensure the connection effect of pouring quality and lining cutting and anchor pier, before watering building lining, dabbing process is carried out to the external surface of described anchor pier.
Preferably, after cavern ends supporting, before concrete anchor pier is anchored at country rock, avoid wound spraying pneumatically placed concrete layer at described country rock.
Prestressing force anchor pier of the present utility model adopts reinforced concrete thick plate structure, and surrounding arranges joint bar, and prestressing force anchor pier is constructed as required in advance, during later stage construction of concrete lining, only need carry out dabbing to anchor pier surface, save man-hour.After the reinforcing bar of lining cutting simultaneously welds with anchor pier joint bar, lining cutting and anchor pier are passed through together with concrete monobloc cast, liner structure anchor pier encapsulated by structures in inside, this structural shape, all favourable to the stress of prestress anchorage cable and lining cutting, be more conducive to the stable of surrounding rock of chamber.
Compared with prior art, the beneficial effects of the utility model are: concrete anchor pier structure of the present utility model can form an entirety with liner structure, not only save space, and after anchor pier and lining cutting be linked to be entirety, very favourable to deformation controlling for rock surrounding gateways, anchor pier structure is cast in liner structure inside on the other hand, does not affect constructional appearance, also can not occupy the inner space of cavern.
Below in conjunction with drawings and Examples, the utility model is further elaborated.
Accompanying drawing explanation
Fig. 1 is the vertical section schematic diagram of the utility model embodiment;
Fig. 2 is the right view of Fig. 1.
In the drawings
1-prestress anchorage cable; 2-Anchor Cable Anchorage; 3-dowel; 4-anchor pier; 5-anchor pier reinforcing bar; 6-joint bar; 7-lining cutting; 8-pneumatically placed concrete layer; 9-country rock; X-abutment wall excavation line.
Detailed description of the invention
Prestress anchorage cable concrete anchor pier structure of the present utility model has been used successfully to certain pumped storage power plant domestic, this Hydropower Station Underground surrounding rock of chamber condition is poor, surrounding rock category is III ~ IV class, local V class, country rock is more broken, for improving the resistance to overturning of factory building abutment wall country rock, main building abutment wall is furnished with prestress anchorage cable and concrete wall liner structure, prestress anchorage cable anchor pier adopts the concrete anchor pier pattern of band joint bar, to construct immediately after leading excavation supporting prestressing force anchor pier, to control abutment wall distortion, before concrete wall liner structure is built, first dabbing process is carried out to anchor pier surface, wall steel bar is after welding with anchor pier joint bar again together with monobloc cast, adopt this lining cutting built-in type prestressed anchor pier structure both can with liner structure is whole be cast in together with, form a coaction component, prestress anchorage cable anchor pier can be reduced again and ground tackle exposes, occupy space, cavern and affect cavern attractive in appearance, from implementation result, effectiveness comparison is desirable.
Concrete construction method is as follows:
1) first build 1.5m × 1.5m(according to anchor cable position long × wide), thick 0.6m, strength grade of concrete is that the armored concrete slab of C35 is as anchor pier; The steel mesh reinforcement of the inside and outside and periphery surface layer configuration φ 20 200 of anchor pier; Anchor pier 4 diameters 25, length 2.5m, enter rock 1.5m dowel and are fixed on excavation metope;
2) arrange the joint bar of each 8 diameters 25 of vertical, horizontal, spacing 200mm in anchor pier, joint bar exposes anchor pier length 1m;
3) during liner structure concreting, dabbing process is carried out to anchor pier surface, after lining cutting internal layer reinforcing bar must weld with anchor pier joint bar, anchor pier and ground tackle are all cast in liner structure, such anchor pier and liner structure form an overall structure, and can't see again anchor pier and anchor device structure in appearance, do not affect the presentation quality of liner structure, space, Bu Zhan cavern.
The content that above-described embodiment is illustrated should be understood to these embodiments only for being illustrated more clearly in the utility model, and be not used in restriction scope of the present utility model, after having read the utility model, the amendment of those skilled in the art to the various equivalent form of value of the present utility model has all fallen into the application's claims limited range.
Claims (7)
1. an anchor pier structure for lining cutting built-in type prestress anchorage cable, comprises
Inside be provided with the lining cutting (7) of reinforcing bar;
Be anchored at the anchor pier (4) on country rock (9) by dowel (3), this anchor pier is arranged between lining cutting (7) and country rock (9);
Prestress anchorage cable (1), this prestress anchorage cable (1) is through described anchor pier (4) and be anchored on country rock (9); It is characterized in that:
Being embedded at least partly in lining cutting (7) and being fixedly connected with lining cutting (7) and forming overall structure of described anchor pier (4).
2. the anchor pier structure of lining cutting built-in type prestress anchorage cable according to claim 1, it is characterized in that, be provided with the joint bar (6) that part stretches out anchor pier (4) in described anchor pier (4), the part that this joint bar (6) stretches out anchor pier (4) is arranged in lining cutting (7).
3. the anchor pier structure of lining cutting built-in type prestress anchorage cable according to claim 2, is characterized in that, described joint bar (6) is connected with the reinforcement welding in lining cutting (7).
4. the anchor pier structure of lining cutting built-in type prestress anchorage cable according to claim 2, is characterized in that, described joint bar (6) and dowel (3) are weldingly connected.
5. according to the anchor pier structure of the lining cutting built-in type prestress anchorage cable one of Claims 1-4 Suo Shu, it is characterized in that, one end of described prestress anchorage cable (1) is anchored on the outer face of anchor pier (4) by ground tackle (2), and this ground tackle (2) is arranged between lining cutting (7) and anchor pier (4).
6. according to the anchor pier structure of the lining cutting built-in type prestress anchorage cable one of Claims 1-4 Suo Shu, it is characterized in that, the inner side of described lining cutting (7) and anchor pier (4) is equipped with the pneumatically placed concrete layer (8) being sprayed on country rock (9) external surface.
7. according to the anchor pier structure of the lining cutting built-in type prestress anchorage cable one of Claims 1-4 Suo Shu, it is characterized in that, described lining cutting (7) and anchor pier (4) are reinforced concrete structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520344909.9U CN204645037U (en) | 2015-05-26 | 2015-05-26 | A kind of anchor pier structure of lining cutting built-in type prestress anchorage cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520344909.9U CN204645037U (en) | 2015-05-26 | 2015-05-26 | A kind of anchor pier structure of lining cutting built-in type prestress anchorage cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204645037U true CN204645037U (en) | 2015-09-16 |
Family
ID=54097795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520344909.9U Withdrawn - After Issue CN204645037U (en) | 2015-05-26 | 2015-05-26 | A kind of anchor pier structure of lining cutting built-in type prestress anchorage cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204645037U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104831727A (en) * | 2015-05-26 | 2015-08-12 | 中国电建集团中南勘测设计研究院有限公司 | Anchorage pier structure of lining built-in pre-stressed anchor cable and construction method of anchorage pier structure |
| CN114108619A (en) * | 2021-10-09 | 2022-03-01 | 中国矿业大学(北京) | Prestressed anchor cable combined structure and construction method thereof |
-
2015
- 2015-05-26 CN CN201520344909.9U patent/CN204645037U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104831727A (en) * | 2015-05-26 | 2015-08-12 | 中国电建集团中南勘测设计研究院有限公司 | Anchorage pier structure of lining built-in pre-stressed anchor cable and construction method of anchorage pier structure |
| CN104831727B (en) * | 2015-05-26 | 2016-08-24 | 中国电建集团中南勘测设计研究院有限公司 | The anchor pier structure of a kind of lining cutting built-in type prestress anchorage cable and construction method thereof |
| CN114108619A (en) * | 2021-10-09 | 2022-03-01 | 中国矿业大学(北京) | Prestressed anchor cable combined structure and construction method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10655892B2 (en) | Heat transfer pipe embedded in a prefabricated pipe pile and embedding method | |
| CN104074529B (en) | A kind of cave continuous bivalve, lane, deep reinforcement means | |
| CN105544801A (en) | Bolted connection technique for prefabricated large plate shear wall provided with concealed bracing and construction method | |
| CN205954921U (en) | Novel big board shear wall structure is secretly supported in bolted connection's prefabricated assembled area | |
| CN104831727A (en) | Anchorage pier structure of lining built-in pre-stressed anchor cable and construction method of anchorage pier structure | |
| CN201296994Y (en) | Multifunctional precast arch piece | |
| CN109736850B (en) | Roadway shell and arch combined strong bearing structure and construction method thereof | |
| CN106958259B (en) | A kind of concrete towers column foundation and its construction method | |
| CN111364532B (en) | Existing pile foundation reinforcement method based on slurry control | |
| CN204645037U (en) | A kind of anchor pier structure of lining cutting built-in type prestress anchorage cable | |
| CN204753836U (en) | Connected node of precast reinforced concrete roof beam and coincide post | |
| CN208934258U (en) | A kind of prefabricated assembled steel core concrete column connected structure part | |
| CN109578011B (en) | Supporting structure in municipal tunnel and construction method thereof | |
| CN104563101A (en) | Composite pile structure serving as main structure stand column and construction method thereof | |
| CN102286982A (en) | Deep foundation pit precast building enclosure for constructing in low environment | |
| CN201347558Y (en) | Ring-shaped bracing structure system of deep and large foundation pit | |
| CN105626098A (en) | Combination type tunnel lining, culvert or underground comprehensive pipe gallery | |
| CN111733878A (en) | Full-prefabricated assembled superposed comprehensive pipe gallery supporting construction structure and process | |
| CN207998838U (en) | A kind of compound pile pile of resistance to plucking | |
| CN217325391U (en) | Construction tool for high-speed rail line deep foundation pit secant pile | |
| CN106677795B (en) | Border on the sea high hydraulic pressure tunnel single layer steel plate concrete composite lining structure and mounting process | |
| CN206503601U (en) | Border on the sea high hydraulic pressure tunnel individual layer steel plate concrete composite lining structure | |
| CN216304622U (en) | Cast-in-place hat beam of prefabricated square pile and prefabricated construction side wall coincide connection structure | |
| CN102535473B (en) | Connection method of pipe curtain and underground structure | |
| CN112575771B (en) | Environment-friendly construction method for vertical support system of reverse-acting underground engineering steel concrete with piles and columns |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150916 Effective date of abandoning: 20160824 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |