CN206646501U - A kind of tension and compression dispersion-type prestressed anchorage cable - Google Patents
A kind of tension and compression dispersion-type prestressed anchorage cable Download PDFInfo
- Publication number
- CN206646501U CN206646501U CN201720098310.0U CN201720098310U CN206646501U CN 206646501 U CN206646501 U CN 206646501U CN 201720098310 U CN201720098310 U CN 201720098310U CN 206646501 U CN206646501 U CN 206646501U
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- Prior art keywords
- drag
- line
- tension
- anchorage cable
- type prestressed
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Abstract
The utility model discloses a kind of tension and compression dispersion-type prestressed anchorage cable, solves existing prestress anchorage cable unbalance stress, easily cause the damage of drag-line, the problem of anchor force deficiency of injecting cement paste, its drip irrigation device is a kind of tension and compression dispersion-type prestressed anchorage cable, including the drag-line being fixedly connected in anchor hole, inner anchoring carrying body is fixedly connected with the drag-line, the perforation passed through for drag-line is offered on the inner anchoring carrying body, the drag-line is U-shaped, the drag-line is bent to form bending segment and the main paragraph at bending segment both ends including middle part, the inner anchoring carrying body is set on main paragraph.Original drag-line is changed into U-shaped so that each drag-line can uniform force, reduce the possibility of drag-line damage, reduce the hypodynamic possibility of anchoring.
Description
Technical field
Building field is the utility model is related to, more specifically, it relates to a kind of tension and compression dispersion-type prestressed anchorage cable.
Background technology
Prestress anchorage cable is a kind of anchoring system for bearing pulling force and pulling force being delivered to stable rock stratum or the soil body,
It is widely used in the every field of rock-reinforcing engineering, such as stability of slope engineering, underground excavation engineering, structural anti-buoyancy work
Journey, deep-foundation pit engineering and high-pressure water pipeline engineering etc..
Prestress anchorage cable includes anchor cable beam body, outer anchor head and anchor hole, and anchor cable beam body is typically compiled by drag-line by certain way
System forms, and its inner and anchor hole bottom consolidates, and outer end is connected with outer anchor head, and center section, which is played, to produce and transmit prestressed
Effect；Outer anchor head is to maintain prestressing force and to the part for being reinforced body transmission pulling force, typically by anchorage, pier base and part beam body
Deng composition；Anchor hole is hole of the Drilling in rock stratum or the soil body, plays placement, fixing bundle body, controls the effect of force direction.Anchor cable
Pulling force is delivered to rock stratum around or the soil body by end by injecting cement paste in beam body, and it is inner common group with injecting cement paste and anchor hole
Into the interior holding force end of prestress anchorage cable, the interior holding force end is called grouted part.
At present, Publication No. CN103276733A Chinese patent discloses a kind of tension and compression dispersion-type prestressed anchorage cable, bag
The drag-line of two or more than two that one end is fixed in anchor hole is included, is arranged and is fixed with corresponding respectively on every drag-line
Anchoring carrying body, the inner anchoring carrying body outer end is with pressure-bearing surface and in the axial direction with one only for corresponding drag-line
The drag-line perforation passed through, each inner anchoring carrying body are at anchor hole different depth, the protruding inner anchoring carrying body of drag-line
Part is soap-free emulsion polymeization section, and the part for inwardly stretching out inner anchoring carrying body is to have adhesive section.
After above-mentioned tension and compression dispersion-type prestressed anchorage cable is fixed in rock mass, several drag-lines are separated from each other, tensioning or compression
When, drag-line undertakes fractional load, and injecting cement paste is tension or in compression, and when load continues increase, drag-line can be by supporting body by portion
Separate loading passes to injecting cement paste, but because supporting body is separated from each other, the Cable forces on the main supporting body for transmitting load are larger,
Easily so that multiple Cable forces are uneven, the damage of drag-line, anchor force deficiency are easily caused.
Utility model content
In view of the deficienciess of the prior art, the utility model is to provide a kind of tension and compression dispersion-type prestressed anchorage cable, will
Original drag-line changes into U-shaped so that each drag-line can uniform force, reduce drag-line damage possibility, reduce anchoring
Hypodynamic possibility.
To achieve the above object, the utility model provides following technical scheme：A kind of tension and compression dispersion-type prestressed anchorage cable,
Including the drag-line being fixedly connected in anchor hole, inner anchoring carrying body, the interior anchoring carrying are fixedly connected with the drag-line
Offer the perforation passed through for drag-line on body, the drag-line is U-shaped, and the drag-line is bent to form bending segment and curved including middle part
The main paragraph at trisection both ends, the inner anchoring carrying body are set on main paragraph.
When drag-line bears load, drag-line has the trend of deformation, and by using above-mentioned technical proposal, original drag-line is changed
It is changed into U-shaped, the trend of drag-line deformation can pass to whole drag-line, while the drag-line of left and right two is connected as a single entity so that drag-line
The main paragraph endurance of left and right two is identical, adds the bearing capacity of anchor cable, reduces the possibility of drag-line damage, reduce anchor force
The possibility of deficiency.
The utility model is further arranged to：The inner anchoring carrying body number being set on the main paragraph is identical, some
Spacing between the individual inner anchoring carrying body is identical.
By using above-mentioned technical proposal, when slopes produce the trend of sliding, slopes can stretch each drag-line, each
Suffered pulling force or pressure can be passed to injecting cement paste by drag-line by inner anchoring carrying body, the interior anchoring carrying being uniformly arranged
Body make it that each position stress is equal in injecting cement paste so that injecting cement paste, which can be stablized, to be supported in anchor hole, reduces injecting cement paste
Anchor hypodynamic possibility.
The utility model is further arranged to：The inner anchoring carrying body includes several bodies of rod be arrangeding in parallel, described
The both ends of the body of rod are fixedly connected, several described bodies of rod it is outer from.
By using above-mentioned technical proposal, gap is provided between the body of rod, injecting cement paste can be injected between inner anchoring carrying body
In gap, the contact area of inner anchoring carrying body and injecting cement paste is added, so as to increase cohesive force, improves the carrying energy of anchor cable
Power.
The utility model is further arranged to：The inner anchoring carrying body also includes the gear for being fixedly connected on body of rod both ends
Block, several described bodies of rod are fixedly connected by block, and the perforation is on block.
By using above-mentioned technical proposal, the block of both sides is added between inner anchoring carrying body and upper and lower both sides injecting cement paste
Contact area, reduce the pressure of inner anchoring carrying body under identical pressure to injecting cement paste, while increase cohesive force, improve
The bearing capacity of anchor cable.
The utility model is further arranged to：The both ends of the inner anchoring carrying body are fixedly connected with extruded sleeve, described to squeeze
The extruded hole for stay guy is offered in gland.
The cable wire of different radii can be embedded in inner anchoring carrying body, and slip casting fore stay has the possibility rocked, and makes
Drag-line left and right ends unbalance stress is obtained, by using above-mentioned technical proposal, the constraint of drag-line is added, drag-line can be fixed on
The shaft core position of inner anchoring carrying body, reduce slip casting fore stay and the possibility rocked be present so that the main body of drag-line left and right ends
Section being capable of uniform force.
The utility model is further arranged to：The drag-line is fixedly connected with guiding cap close to the bottom of anchor hole, described
Bending segment is fixedly connected on guiding cap.
By using above-mentioned technical proposal, kink can be delayed by the load transmission of part to guiding cap by guiding cap
Load has been solved, has improved the bearing capacity of anchor cable.
The utility model is further arranged to：Connectivity slot is offered in the guiding cap, the bending segment is connected to connection
On the inwall of groove, the main paragraph stretches out from the left and right ends of connectivity slot.
By using above-mentioned technical proposal, the contact area between kink and injecting cement paste is added, while to be oriented to
Length direction of the load that cap is subject to parallel to main paragraph so that the load that the load of main paragraph outflow is spread out of with kink is hung down
Directly so that injecting cement paste by smaller active force, can improve the bearing capacity of anchor cable under same load.
The utility model is further arranged to：Also include being used for the isolating frame for calibrating drag-line, the drag-line is connected to isolation
On the outer wall of frame, injected hole is offered on the isolating frame.
By using above-mentioned technical proposal, isolating frame can be spacing to drag-line so that reduces drag-line before anchor hole slip casting
The possibility rocked.
The utility model is further arranged to：Abutting groove is offered on the outer wall of the isolating frame, the main paragraph abuts
On the inwall for abutting groove, the main paragraph is uniformly distributed along the axle center of isolating frame.
By using above-mentioned technical proposal, drag-line, which can be connected to, to abut in groove, reduces the jump of anchor hole slip casting fore stay
Dynamic possibility, add the stability of drag-line.
The utility model is further arranged to：The drag-line being fixedly connected in inner anchoring carrying body is soap-free emulsion polymeization section.
By using above-mentioned technical proposal, the possibility that drag-line bonds with injecting cement paste is reduced so that load can be passed all
It is handed on injecting cement paste, improves the bearing capacity of anchor cable.
In summary, the utility model has the advantages that：Original drag-line is changed into U-shaped, while left and right two
Individual drag-line is connected as a single entity so that the main paragraph endurance of left and right two of drag-line is identical, adds the bearing capacity of anchor cable, reduces drawing
The possibility of rope damage, reduce the hypodynamic possibility of anchoring.
Brief description of the drawings
Fig. 1 is the mechanism map of the present embodiment and injecting cement paste；
Fig. 2 is the stereogram of the present embodiment；
Fig. 3 is enlarged drawing at Fig. 2 A；
Fig. 4 is enlarged drawing at Fig. 2 B.
Reference：1st, drag-line；2nd, injecting cement paste；3rd, guiding cap；4th, connectivity slot；5th, bending segment；6th, main paragraph；7th, isolate
Frame；8th, injected hole；9th, groove is abutted；10th, strengthening groove；11st, inner anchoring carrying body；12nd, block；13rd, perforate；14th, the body of rod；15th, squeeze
Gland；16th, extruded hole.
Embodiment
The utility model is described further referring to figs. 1 to Fig. 4.
As shown in Figure 1 to Figure 3, a kind of tension and compression dispersion-type prestressed anchorage cable, the drag-line 1 being fixedly connected in anchor hole are whole
Individual drag-line 1 is soap-free emulsion polymeization section, and drag-line 1 is wrapped with the injecting cement paste 2 for being filled in anchor hole inner cylindrical, the upper end energy of drag-line 1
Enough that the upper end of injecting cement paste 2, the lower end of drag-line 1 are provided with hemispherical guiding cap 3, the horizontal plane of guiding cap 3 is vertical upward,
Offer two connectivity slots 4 on guiding cap 3, one higher in two connectivity slots 4, another is relatively low, and two connectivity slots 4 are being oriented to
Projection on the horizontal plane of cap 3 is mutually perpendicular to；Drag-line 1 takes the shape of the letter U, and drag-line 1 includes the bending segment 5 being connected on the inwall of connectivity slot 4, curved
Trisection 5 has the vertical bending of drag-line 1 to form, and two main paragraphs 6 are respectively fixedly connected with the left and right ends of bending segment 5, main body
Section 6 extends straight up and four main paragraphs 6 are parallel to each other.
The top of drag-line 1 is provided with several isolating frames 7, and isolating frame 7 and drag-line 1 pass through galvanized wire (not shown)
Connect, spacing is equal between several isolating frames 7, and isolating frame 7 is octagon, and the center of isolating frame 7 is offered for Grouting Pipe
The injected hole 8 passed through, the outer end of isolating frame 7 are further opened with the abutting groove 9 of triangle, and drag-line 1, which can be connected to, abuts the interior of groove 9
On wall, axle center of four main paragraphs 6 along isolating frame 7 uniformly respectively on isolating frame 7, is further opened with strengthening groove 10 on isolating frame 7,
Strengthening groove 10 is distributed on the isolating frame 7 between two neighboring abutting groove 9, and injecting cement paste 2 can increase through strengthening groove 10 when pouring
The big contact area with isolating frame 7.
As shown in Figure 2 and Figure 4, the top of drag-line 1 is additionally provided with inner anchoring carrying body 11, is fixed on each main paragraph 6
It is connected with two inner anchoring carrying bodies 11, the distance between two inner anchoring carrying bodies 11 on main paragraph 6 are equal, in several
Vertical spacing between anchoring carrying body 11 is also equal；Inner anchoring carrying body 11 includes the discoid block 12 of upper and lower ends, gear
Perforation 13 is offered at the axle center of block 12,13 radius of perforating is more than the radius of drag-line 1, and the middle part of block 12 is fixedly connected with three
The columned body of rod 14, axle center of the body of rod 14 along inner anchoring carrying body 11 are evenly distributed on inner anchoring carrying body 11, three bars
Body 14 is mutually outer from and it is 13 tangent with three bodies of rod 14 to perforate, and the upper and lower ends of inner anchoring carrying body 11 are provided with fixation
The extruded sleeve 15 being connected on block 12, extruded sleeve 15 are located at the outer end of inner anchoring carrying body 11, and the axle center of extruded sleeve 15 opens up
There is the extruded hole 16 passed through for drag-line 1, the radius of extruded hole 16 is identical with the radius of drag-line 1, and drag-line 1 can be connected to extruding
On the inwall in hole 16.
Operation principle：Anchor hole is formed after the completion of drilling machine work, to anchor hole borehole cleaning, above-mentioned prestress anchorage cable is put into
In anchor hole, Grouting Pipe is passed through into injected hole 8, continuous slip casting simultaneously takes out Grouting Pipe, forms injecting cement paste 2, and anchor cable can be fixed on
In injecting cement paste 2 so that anchor cable can support structure of soft clay, but when drag-line 1 is tension or in compression, drag-line 1 passes to fractional load
Inner anchoring carrying body 11, then injecting cement paste is passed to by inner anchoring carrying body 11, disperse load, the stress of main paragraph 6 of side
After deformation, whole drag-line 1 deforms upon, and a load part is passed into bending segment 5, another part load transmission is to bending segment
5 another sections of main paragraph 6, has disperseed load again, improves the bearing capacity of anchor cable.
Described above is only preferred embodiment of the present utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under the utility model thinking belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (10)
1. a kind of tension and compression dispersion-type prestressed anchorage cable, including the drag-line (1) being fixedly connected in anchor hole, on the drag-line (1)
Inner anchoring carrying body (11) is fixedly connected with, the perforation passed through for drag-line (1) is offered on the inner anchoring carrying body (11)
(13), it is characterised in that：The drag-line (1) is U-shaped, and the drag-line (1) is bent to form bending segment (5) and bending segment including middle part
(5) main paragraph (6) at both ends, the inner anchoring carrying body (11) are set on main paragraph (6).
A kind of 2. tension and compression dispersion-type prestressed anchorage cable according to claim 1, it is characterised in that：It is set in the main paragraph
(6) inner anchoring carrying body (11) number on is identical, and the spacing between several described inner anchoring carrying bodies (11) is identical.
A kind of 3. tension and compression dispersion-type prestressed anchorage cable according to claim 1, it is characterised in that：The inner anchoring carrying body
(11) several bodies of rod (14) be arrangeding in parallel are included, the both ends of the body of rod (14) are fixedly connected, several described bodies of rod
(14) outside from.
A kind of 4. tension and compression dispersion-type prestressed anchorage cable according to claim 3, it is characterised in that：The inner anchoring carrying body
(11) block (12) for being fixedly connected on the body of rod (14) both ends is also included, several described bodies of rod (14) are fixed by block (12)
Connection, the perforation (13) are located on block (12).
A kind of 5. tension and compression dispersion-type prestressed anchorage cable according to claim 4, it is characterised in that：The inner anchoring carrying body
(11) both ends are fixedly connected with extruded sleeve (15), and the extruded hole for stay guy (1) is offered in the extruded sleeve (15)
(16)。
A kind of 6. tension and compression dispersion-type prestressed anchorage cable according to claim 1, it is characterised in that：The drag-line (1) is close
The bottom of anchor hole is fixedly connected with guiding cap (3), and the bending segment (5) is fixedly connected on guiding cap (3).
A kind of 7. tension and compression dispersion-type prestressed anchorage cable according to claim 6, it is characterised in that：In the guiding cap (3)
Connectivity slot (4) is offered, the bending segment (5) is connected on the inwall of connectivity slot (4), and the main paragraph (6) is from connectivity slot (4)
Left and right ends stretch out.
A kind of 8. tension and compression dispersion-type prestressed anchorage cable according to claim 1, it is characterised in that：Also include being used to calibrate drawing
The isolating frame (7) of rope (1), the drag-line (1) are connected on the outer wall of isolating frame (7), and slip casting is offered on the isolating frame (7)
Hole (8).
A kind of 9. tension and compression dispersion-type prestressed anchorage cable according to claim 8, it is characterised in that：The isolating frame (7)
Offered on outer wall and abut groove (9), the main paragraph (6) is abutted on the inwall of groove (9), main paragraph (6) edge isolation
The axle center of frame (7) is uniformly distributed.
A kind of 10. tension and compression dispersion-type prestressed anchorage cable according to claim 1, it is characterised in that：It is fixedly connected in interior anchor
Gu the drag-line (1) in supporting body (11) is soap-free emulsion polymeization section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720098310.0U CN206646501U (en) | 2017-01-22 | 2017-01-22 | A kind of tension and compression dispersion-type prestressed anchorage cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720098310.0U CN206646501U (en) | 2017-01-22 | 2017-01-22 | A kind of tension and compression dispersion-type prestressed anchorage cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206646501U true CN206646501U (en) | 2017-11-17 |
Family
ID=60283403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720098310.0U Expired - Fee Related CN206646501U (en) | 2017-01-22 | 2017-01-22 | A kind of tension and compression dispersion-type prestressed anchorage cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206646501U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110725312A (en) * | 2019-09-25 | 2020-01-24 | 东南大学 | Basalt fiber pre-stressed anchor cable system and anchoring method thereof |
| CN112921963A (en) * | 2021-01-28 | 2021-06-08 | 岳学文 | Foundation pit support detachable anchor rod |
-
2017
- 2017-01-22 CN CN201720098310.0U patent/CN206646501U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110725312A (en) * | 2019-09-25 | 2020-01-24 | 东南大学 | Basalt fiber pre-stressed anchor cable system and anchoring method thereof |
| CN110725312B (en) * | 2019-09-25 | 2021-04-16 | 东南大学 | Basalt fiber pre-stressed anchor cable system and anchoring method thereof |
| CN112921963A (en) * | 2021-01-28 | 2021-06-08 | 岳学文 | Foundation pit support detachable anchor rod |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171117 Termination date: 20210122 |