CN206635757U - A kind of combined prestressing force anchor cable for lifting anchor structure shear behavior - Google Patents
A kind of combined prestressing force anchor cable for lifting anchor structure shear behavior Download PDFInfo
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- CN206635757U CN206635757U CN201720390238.9U CN201720390238U CN206635757U CN 206635757 U CN206635757 U CN 206635757U CN 201720390238 U CN201720390238 U CN 201720390238U CN 206635757 U CN206635757 U CN 206635757U
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- Prior art keywords
- anchor cable
- sleeve
- anchor
- cable
- prestressing force
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 28
- 239000010959 steel Substances 0.000 claims abstract description 28
- 238000007569 slipcasting Methods 0.000 claims description 11
- 238000004873 anchoring Methods 0.000 claims description 7
- 238000005553 drilling Methods 0.000 claims description 5
- 230000002787 reinforcement Effects 0.000 claims description 5
- 238000013461 design Methods 0.000 claims description 4
- 239000011150 reinforced concrete Substances 0.000 claims description 3
- 239000011435 rock Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010008 shearing Methods 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000003014 reinforcing effect Effects 0.000 abstract description 3
- 230000007812 deficiency Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 5
- 238000004088 simulation Methods 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000205 computational method Methods 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- Piles And Underground Anchors (AREA)
Abstract
The utility model provides a kind of combined prestressing force anchor cable for lifting anchor structure shear behavior, belongs to rock mass reinforcing technical field.The anchor cable includes guiding cap, steel strand wires, tensioner ring, lock ring ring, sleeve and Grouting Pipe, sleeve is arranged near slide surface or potential slide surface, the shearing resistance effect of anchor structure can be effectively lifted, avoid traditional prestress anchorage cable causes the large deformation deficiency that even slope instability destroys due to lacking shear resistance.Compared to traditional prestress anchorage cable, the utility model can increase anchor cable arrangement spacing simultaneously, anchor cable quantity be reduced, so as to save associated materials, time and input.The utility model have technique it is simple, it is workable, save the outstanding advantages such as resource, shear structure position be controllable.
Description
Technical field
Rock mass reinforcing technical field is the utility model is related to, particularly relates to a kind of the compound of lifting anchor structure shear behavior
Prestress anchorage cable.
Background technology
In recent years, as Chinese national economy is fast-developing, country is to the side such as mineral resources, hydroelectric resources and traffic resource
The demand in face is constantly soaring, and corresponding geotechnical engineering problems emerge in an endless stream, wherein, crack caused by slope ground body deformation failure,
A series of punishment of disasters such as landslide and slump and reinforcing problem are relatively conventional.Conventional handle measure includes cutting slope off-load, subtracting
Weight back-pressure, friction pile, slip casting and prestress anchorage cable etc..Stress state and investment in slope ground body can forever be changed by cutting slope off-load
At least, but easily limited by orographic condition；Lightening and adverse pressure is mainly used in administering the side slope that passage formula is slided, but still is limited by orographic condition
Make and easily cause secondary disaster；Friction pile anti-slide performance is strong, suitable for the clear and definite side slope of potential water use；Slip casting method is applied to
Soil-slope and jointed rock slope are handled, resistance to compression, tension and the shearing strength of Rock And Soil can be effectively improved, but this method is present
The problems such as treatment effect is uncontrollable, specific aim is not strong；Prestressed anchor reinforcement technology has simple in construction, construction safety, disturbance
It is smaller, reduce investment outlay, universality is strong and the advantages that significant effect, be rapidly developed in recent years and extensive use.In prestressing force
In anchorage cable design and work progress, the large deformation feature and shear action of slope sliding face position are to anchor system non-deformability
Test is proposed, because the shear resistance of prestressed anchor Cable Structure is weak, when side slope body or larger sliding deformation, frequently can lead to
Prestress anchorage cable deformation is even broken, and then causes prestress anchorage cable structural failure and slope instability.At present, by slope sliding,
Failure of cable problem is by the stability and security of potential impact slope project caused by Rock And Soil deformation, and prestress anchorage cable is as one
Kind axially it is further applied load structure, it uses the integral anti-shearing performance of tube-in-tube structure lifting prestress anchorage cable, and there is not been reported.
Utility model content
The utility model provides a kind of combined prestressing force anchor cable for lifting anchor structure shear behavior, to overcome using conventional
When prestress anchorage cable carries out slope reinforcement, because the deformation of slope ground body causes anchor cable to deform and then causes anchor structure failure to be asked
Topic.
The anchor cable includes guiding cap, tensioner ring, lock ring ring, Grouting Pipe, sleeve and steel strand wires, and guiding cap is arranged on the anchor cable
Anchoring section end, be after anchoring section the anchor cable free segment, sleeve is located at free segment, and sleeve is fixed by sleeve fixing bolt,
Steel strand wires run through whole anchor cable, set steel strand wires overcoat outside steel strand wires, Grouting Pipe is located at whole anchor cable center, multiply steel strand wires
Outside sets lock ring ring, tensioner ring is set between whole anchor cable and slip casting lithosome, anchor cable is placed in drilling.
Wherein, multiply steel strand wires be three strands and more than.
Sleeve is pure steel design, reinforcement cage structure or reinforced concrete structure.
Sleeve is provided at both ends with stud, and steel strand wires pass through sleeve, and sleeve is fixed on tensioner ring by end bolt structure.
Length sleeve is not less than 5m, when free section of anchor cable entire length is less than 5m, length sleeve and freedom length phase
Together, sleeve wall thickness is not less than 5mm, sleeve axial direction center overlapped with the potential slide surface position of gliding mass slide surface or side slope or
It is close.
The single application of sleeve or more than one combined type application.
The utility model construction technological process be：
(1) determine gliding mass slide surface position or calculate potential slide surface position using the methods of numerical simulation；
(2) drilling and forming hole；
(3) standard prestress anchorage cable is made；
(4) according to slide surface position, sleeve is arranged on slide surface corresponding to standard prestress anchorage cable or potential slide surface
Position；
(5) anchor cable installation and anchoring section slip casting；
(6) anchor pier makes；
(7) anchorage cable stretching；
(8) free section of anchor cable slip casting.
Above-mentioned technical proposal of the present utility model has the beneficial effect that：
The utility model can be obviously improved shear resistance of the anchor cable structure in key position compared with conventional prestress anchorage cable
Can, conventional prestress anchorage cable is overcome sliding surface position is also easy to produce large deformation and causes failure of cable the defects of.By normal
It is horizontal as shear structure, shear structure that steel (or reinforcement cage structure, reinforced concrete structure) sleeve is fixed on rule standard anchor cable
Wear whole sliding surface and anchor among stable Rock And Soil, anchor structure is provided effective shear resistance near sliding surface,
And then the safety coefficient and stable state of side slope can be effectively improved.
Brief description of the drawings
Fig. 1 is the combined prestressing force anchor cable structure schematic diagram of lifting anchor structure shear behavior of the present utility model；
Fig. 2 is Fig. 1 A-A ' profiles；
Fig. 3 is Fig. 1 B-B ' profiles；
Fig. 4 is Fig. 1 C-C ' profiles；
Fig. 5 is Fig. 1 D-D ' profiles；
Fig. 6 is sleeve and tensioner ring connection diagram；
Fig. 7 be using this can be lifted anchor structure shear behavior combined prestressing force anchor cable structure construction flow chart；
Fig. 8 is the combined prestressing force anchor cable construction schematic diagram for lifting anchor structure shear behavior actually implemented.
Wherein：1- guiding caps；2- tensioner rings；3- lock ring rings；4- Grouting Pipes；5- sleeves；6- steel strand wires；7- steel strand wires protect
Layer；8- sleeve fixing bolts；9- drills；10- slip casting Seed harvests.
Embodiment
To make the technical problems to be solved in the utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing
And specific embodiment is described in detail.
The utility model is directed in existing slope project Scheme of Strengthening when using conventional prestressed anchor Cable Structure, because of gliding mass or
The deformation of slope ground body causes sliding surface (or potential sliding surface) position to produce anchor cable structure Problem of Failure caused by large deformation, there is provided
A kind of combined prestressing force anchor cable for lifting anchor structure shear behavior.
By taking 6 rope steel strand prestress anchor cables as an example, as shown in Figure 1, Figure 2, Fig. 3, Fig. 4 and Fig. 5, shown in Fig. 6, the combined prestressing force
Anchor cable includes guiding cap 1, steel strand wires 6, tensioner ring 2, lock ring ring 3, Grouting Pipe 4 and sleeve 5, and sleeve 5 is multiple anchor cable in side slope
The category such as the structure of shearing resistance effect, guiding cap 1, steel strand wires 6, tensioner ring 2, lock ring ring 3 and Grouting Pipe 4 routine is played in Rock And Soil in advance should
The component of power anchor cable.Guiding cap 1 is arranged on the anchoring section end of the anchor cable, is the free segment of the anchor cable after lock ring ring 3, sleeve 5
Positioned at free segment, sleeve 5 is fixed by sleeve fixing bolt 8, and steel strand wires 6 run through whole anchor cable, set steel strand wires to prevent outside steel strand wires 6
Sheath 7, Grouting Pipe 4 are located at whole anchor cable center, and the outside of multiply steel strand wires 6 sets lock ring ring 3, whole anchor cable and slip casting lithosome
Tensioner ring 2 is set between 10, and anchor cable is placed in drilling 9.
To effectively improve the shear behavior of prestress anchorage cable and slope stability, determine that gliding mass is slided first before slope construction
Face or the position that side slope potential water use is calculated using method for numerical simulation, so that it is determined that the peace of combined prestressing force anchor cable middle sleeve
Holding position.Combined prestressing force anchor cable is assembled according to acquired results, sleeve axial centre is overlapped with potential water use position, is lifted
Anchor structure in sliding surface or the shear behavior of potential position of slip surface so that slope stability state be improved significantly.In reality
Consolidation process is carried out to certain side slope in the embodiment of border, its workflow is as shown in fig. 7, can using one kind provided by the utility model
The combined prestressing force anchorage cable engineering application signal of anchor structure shear behavior is lifted, as shown in Figure 8.
Specific construction flow is as follows：
(1) site contour and geologic prospect；
(2) for slip mass, exploration mode can be used to determine the position of slip surface of gliding mass；Engineering is punished for side slope, can be adopted
With numerical simulation or other computational methods, the potential slide surface position of side slope is determined；
(3) drilling and forming hole；
(4) conventional prestress anchorage cable component is processed；
(5) according to sliding surface or potential position of slip surface installation sleeve, sleeve axial centre be closely located to potential slide surface or
Overlap；
(6) duct and cable body are checked before installation, one-time-reach-place when installing anchor cable, exposed steel strand wires are carried out after installation interim
Protection；
(7) anchor pier, anchorage cable anchoring section slip casting are made；
(8) tensioning is carried out to anchor cable by anchor Design result；
(9) free section of anchor cable slip casting.
The present embodiment is only that the utility model provides a kind of specific implementation form, wherein exploration, slide surface positioning, pore-forming,
Anchor pier makes, anchor cable makes, sleeve make with assembling, anchor cable installation, anchorage cable stretching and slip casting etc. according to specific geological conditions,
Depending on the condition such as numerical simulation calculation and national standard, the utility model is not particularly limited.
Described above is preferred embodiment of the present utility model, it is noted that for the ordinary skill of the art
For personnel, on the premise of principle described in the utility model is not departed from, some improvements and modifications can also be made, these improvement
The scope of protection of the utility model is also should be regarded as with retouching.
Claims (6)
- A kind of 1. combined prestressing force anchor cable for lifting anchor structure shear behavior, it is characterised in that：Including guiding cap (1), expansion Ring (2), lock ring ring (3), Grouting Pipe (4), sleeve (5) and steel strand wires (6), guiding cap (1) are arranged on the anchoring section end of the anchor cable Portion, it is the free segment of the anchor cable after anchoring section, sleeve (5) be located at free segment, and sleeve (5) is by sleeve fixing bolt (8) fixation, steel Twisted wire (6) runs through whole anchor cable, and steel strand wires (6) set steel strand wires overcoat (7) outside, and Grouting Pipe (4) is located at whole anchor cable center, Lock ring ring (3) is set outside multiply steel strand wires (6), tensioner ring (2), anchor cable are set between whole anchor cable and slip casting lithosome (10) It is placed in drilling (9).
- 2. the combined prestressing force anchor cable of lifting anchor structure shear behavior according to claim 1, it is characterised in that：It is described Multiply steel strand wires (6) be three strands and more than.
- 3. the combined prestressing force anchor cable of lifting anchor structure shear behavior according to claim 1, it is characterised in that：It is described Sleeve (5) is pure steel design, reinforcement cage structure or reinforced concrete structure.
- 4. the combined prestressing force anchor cable of lifting anchor structure shear behavior according to claim 1, it is characterised in that：It is described Sleeve (5) is provided at both ends with stud, and steel strand wires (6) pass through sleeve (5), and sleeve (5) is fixed on expansion by end bolt structure On ring (2).
- 5. the combined prestressing force anchor cable of lifting anchor structure shear behavior according to claim 1, it is characterised in that：It is described Sleeve (5) length is not less than 5m, and when free section of anchor cable entire length is less than 5m, sleeve (5) length is identical with freedom length, Sleeve (5) wall thickness is not less than 5mm.
- 6. the combined prestressing force anchor cable of lifting anchor structure shear behavior according to claim 1, it is characterised in that：It is described The single application of sleeve (5) or more than one combined type application.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720390238.9U CN206635757U (en) | 2017-04-14 | 2017-04-14 | A kind of combined prestressing force anchor cable for lifting anchor structure shear behavior |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720390238.9U CN206635757U (en) | 2017-04-14 | 2017-04-14 | A kind of combined prestressing force anchor cable for lifting anchor structure shear behavior |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206635757U true CN206635757U (en) | 2017-11-14 |
Family
ID=60245525
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720390238.9U Expired - Fee Related CN206635757U (en) | 2017-04-14 | 2017-04-14 | A kind of combined prestressing force anchor cable for lifting anchor structure shear behavior |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206635757U (en) |
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2017
- 2017-04-14 CN CN201720390238.9U patent/CN206635757U/en not_active Expired - Fee Related
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171114 |
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| CF01 | Termination of patent right due to non-payment of annual fee |