CN2659962Y - Reinforced anchor beam of side slope and foundation ditch - Google Patents
Reinforced anchor beam of side slope and foundation ditch Download PDFInfo
- Publication number
- CN2659962Y CN2659962Y CN 03244184 CN03244184U CN2659962Y CN 2659962 Y CN2659962 Y CN 2659962Y CN 03244184 CN03244184 CN 03244184 CN 03244184 U CN03244184 U CN 03244184U CN 2659962 Y CN2659962 Y CN 2659962Y
- Authority
- CN
- China
- Prior art keywords
- side slope
- anchor
- beam body
- anchor beam
- hole
- 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.)
- Expired - Lifetime
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Abstract
The utility model discloses a reinforcement anchor beam of a side slope and a foundation pit used for reinforcing the soil side slope and a deep foundation pit of a building. The utility model is characterized in that a hole is bored on a side wall of the side slope and the foundation pit; a hollow deformed steel beam with an outboard wing is arranged in the hole; grouting mortar is poured into a hollow part of a beam body and flows out from a side port in an inner end of the beam body to fill a space of a bored hole, by which the beam body and the bored hole are stuck together so as to form a non-prestressing anchor beam. A no-bond stranded steel wire is fixed in the inner end and a middle part of the steel beam and arranged in the bored hole with the steel beam together; the stranded steel wire stretches out in 1.0 to 2.0 m; then a grouting is carried out by a method mentioned above; and a prestressing tension is conducted when a designed strength of the grouting is reached; thereby the prestressing anchor beam is formed.
Description
Technical field
The utility model relates to the structure of a kind of geotechnical slope and deep foundation pit of construction reinforcing; The side slope, the foundation ditch strengthening anchor beam that need big skid resistance occasion in particular for ruggedized construction.
Background technology
At present, the structure of known geotechnical slope, deep foundation pit of construction reinforcing has prestress anchorage cable, prestressed anchor, non-prestressed anchor pole.The anchor body of prestress anchorage cable is made of steel strand, and it is little that ability is cut in bending resistance.The anchor body of prestressed anchor, non-prestressed anchor pole is made of screw steel wire, and it is also less that ability is cut in bending resistance.Engineering practice shows that a lot of occasions require above-mentioned ground anchorage structure to have bigger bending resistance and cut ability, and the while can also be given bigger normal pressure of geotechnical body.Above-mentioned three kinds of ground anchorage structures all are to finish grouting process in the boring by the Grouting Pipe of a special use, work loaded down with trivial details and the grouting quality problem takes place often.
Summary of the invention
In order to overcome the problem of above-mentioned existence, the utility model provides a kind of side slope, foundation ditch strengthening anchor beam.
The purpose of this utility model is achieved in that the deformed steel girder of having outer wing in the employing in vain makes the anchor body and replace indented bars, carries out slip casting after inserting boring, promptly constitutes non-prestressed anchor beam.The section of deformed steel girder comprises II shape, circle, triangle.Wherein II shape is to be formed by 2 i iron weldering knots.Boring is inserted with girder steel in the inner and the middle part of non-bending steel cable being fixed in girder steel, and steel strand expose 1.0～2.0M, carries out slip casting.Treat to carry out when slurry intensity reaches designing requirement prestressed stretch-draw, locking promptly constitutes prestressed anchor beam.
The beneficial effects of the utility model are: 1) exempted under the prerequisite that guarantees grouting quality and used special-purpose Grouting Pipe, thereby reduced mechanical investment; 2) the anticorrosion reliability of beam body is improved greatly; 3) beam body rigidity is improved greatly; 4) under same rigidity condition, anchor beam can be saved 5 times of materials; 5) under same material quantity condition, anchor beam can improve 5 times of bending resistances and cut ability.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further specified:
Fig. 1 is the longitudinal plan of the utility model prestressed anchor girder construction;
Fig. 2 is the longitudinal plan of the non-prestressed anchor beam structure of the utility model;
Fig. 3 is the utility model prestressed anchor beam drawing in side sectional elevation;
A) II type cross section circular cross-section c triangular-section b))
Fig. 4 is the drawing in side sectional elevation that the non-prestressed anchor beam of the utility model is finished slip casting;
A) II type cross section circular cross-section c triangular-section b))
Fig. 5 is the utility model anchor beam bottom slurry outlet drawing in side sectional elevation.
A) II type cross section circular cross-section c triangular-section b))
Among the figure: 1, boring 2, cement mortar 3, beam body
4, the inner side direction injected hole 5 of beam, backing plate 6, anchor slab
7, intermediate plate 8, non-bending steel cable 9, beam body hollow slip casting passage
The specific embodiment
In Fig. 1, Fig. 2, with the rig of special use to sloping body internal drilling 1, boring 1 is 15～20 ° with horizontal plane angle, after finishing, boring 1 carries out hole clearly, insert girder steel, inject cement mortar 2 by steel body hollow slip casting passage 9, it is outer till filling with all borehole space to flow out beams by the inner side direction injected hole 4 of beam when cement mortar 2 reaches beam inner, has promptly finished non-prestressed anchor beam; The non-bending steel cable 8 that is connected beam body 3 the inners, beam body 3 middle parts is inserted in the boring 1 with beam body 3, and slip casting treats to carry out when slurry reaches design strength prestressed stretch-draw, prestressed anchor beam is finished in locking; The prestressed stretch-draw of prestressed anchor beam is finished by the specific hydraulic jack; The intermediate plate 7 of backing plate 5, anchor slab 6 and energy self-locking is installed in boring 1 aperture, when jack tension non-bending steel cable 8 in the intermediate plate 7 follow-up anchor slab holes, intermediate plate 7 automatically locks pulling force when the jack off-load, finishes stretch-draw, has promptly finished side slope of the present utility model, foundation ditch strengthening anchor beam.
Claims (1)
1, a kind of anchor beam of inserting reinforcing side slope in the boring, foundation ditch, it is characterized in that: beam body (3) is a girder steel, beam body (3) cavity is slip casting passage (9), there is injected hole (4) beam body (3) the inner, beam body (3) cavity and boring (1) space are full of cement mortar (2), are non-prestressed anchor beam; Non-bending steel cable (8) one ends are connected with backing plate (5), anchor slab (6), the self-locking intermediate plate (7) of place, boring (1) aperture prestressed stretch-draw with beam body (3) middle part, the inner connection, non-bending steel cable (8) other end, are prestressed anchor beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03244184 CN2659962Y (en) | 2003-04-02 | 2003-04-02 | Reinforced anchor beam of side slope and foundation ditch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03244184 CN2659962Y (en) | 2003-04-02 | 2003-04-02 | Reinforced anchor beam of side slope and foundation ditch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2659962Y true CN2659962Y (en) | 2004-12-01 |
Family
ID=34326989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03244184 Expired - Lifetime CN2659962Y (en) | 2003-04-02 | 2003-04-02 | Reinforced anchor beam of side slope and foundation ditch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2659962Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102108708A (en) * | 2010-12-16 | 2011-06-29 | 张继红 | Compound anchor rod foundation pit building envelope, construction method thereof and adopted cement soil notcher |
| CN104452602A (en) * | 2014-12-17 | 2015-03-25 | 中交第二航务工程局有限公司 | First steel anchor beam elevation control method |
| CN110905570A (en) * | 2019-12-10 | 2020-03-24 | 济宁学院 | A stock anchor beam supporting construction for coal mine tunnel |
-
2003
- 2003-04-02 CN CN 03244184 patent/CN2659962Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102108708A (en) * | 2010-12-16 | 2011-06-29 | 张继红 | Compound anchor rod foundation pit building envelope, construction method thereof and adopted cement soil notcher |
| CN104452602A (en) * | 2014-12-17 | 2015-03-25 | 中交第二航务工程局有限公司 | First steel anchor beam elevation control method |
| CN110905570A (en) * | 2019-12-10 | 2020-03-24 | 济宁学院 | A stock anchor beam supporting construction for coal mine tunnel |
| CN110905570B (en) * | 2019-12-10 | 2021-03-23 | 济宁学院 | A stock anchor beam supporting construction for coal mine tunnel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130402 Granted publication date: 20041201 |