CN102852143B - Anchoring device for prestressed reinforcement materials - Google Patents
Anchoring device for prestressed reinforcement materials Download PDFInfo
- Publication number
- CN102852143B CN102852143B CN201210347151.5A CN201210347151A CN102852143B CN 102852143 B CN102852143 B CN 102852143B CN 201210347151 A CN201210347151 A CN 201210347151A CN 102852143 B CN102852143 B CN 102852143B
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- Prior art keywords
- anchor
- baffle plate
- external device
- displacement trasducer
- reinforcement material
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- 230000002787 reinforcement Effects 0.000 title claims abstract description 55
- 239000000463 material Substances 0.000 title claims abstract description 44
- 238000004873 anchoring Methods 0.000 title abstract description 5
- 238000006073 displacement reaction Methods 0.000 claims abstract description 60
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 23
- 239000010959 steel Substances 0.000 claims abstract description 23
- 238000010276 construction Methods 0.000 claims abstract description 13
- 239000011150 reinforced concrete Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 7
- 210000003205 muscle Anatomy 0.000 description 5
- 239000002689 soil Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000012827 research and development Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003755 preservative agent Substances 0.000 description 2
- 230000002335 preservative effect Effects 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 239000004746 geotextile Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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- Reinforcement Elements For Buildings (AREA)
Abstract
The invention provides an anchoring device for prestressed reinforcement materials. The bottom of an external device of a displacement converter is fixedly connected with a bolt bar; a large cylindrical structure and a small cylindrical structure which are connected together are arranged in the displacement converter; the large cylindrical structure is arranged in a cavity of the external device of the displacement converter; the small cylindrical structure is arranged at an opening of the external device of the displacement converter; the outer end of the small cylindrical structure is fixedly connected with a connecting plate; a group of steel balls is arranged between the radial outer wall of the large cylindrical structure and the annular inner wall of the external device of the displacement converter; and another group of steel balls is arranged between a plane of the large cylindrical structure on one side of the small cylindrical structure and the inner wall of one side of the opening of the external device of the displacement converter. The anchoring device can conveniently and accurately apply prestress to the reinforcement materials, prevents the reinforcement materials from rotating, and can control the prestress on the reinforcement materials. In addition, the prestress can be readjusted according to construction and use conditions.
Description
Technical field
The present invention relates to a kind of anchor device of prestressing force reinforcement material, belong to anchor device technical field.
Background technology
In geotechnological reinforcing technique field, at present the reinforced earth technology of main flow is to lay reinforcement material in the middle level of banketing, and reaches constraint and bankets and strengthen the intensity of banketing, reduce the object of the distortion of banketing.Be generally used for ground stabilization, embankment (comprising highway, railway), side slope, barricade engineering etc.
The development of this technology at present mainly concentrates on the research and development of reinforcement material.On the one hand, the research and development of reinforcement material, for example, geo-grid, geotechnical grid, geotextiles, galvanized steel strip, steel plastic band, concrete steel band etc.; On the other hand, the research and development of reinforcement material form, for example, the unidirectional reinforcement of plane, the two-way reinforcement of plane, plane three-dimensional reinforcement, three-dimensional reinforcement (H-V reinforcement) etc.
The working mechanism of these reinforced earth technologies is basically identical, it is all a kind of passive geotechnological reinforcing technique, namely filling the soil body under deadweight and upper load effect, when banketing occurred level distortion, be subject to the restriction of reinforcement material, thereby reach, improve the banket object of distortion of the bearing capacity banket and minimizing, thereby the effect of reinforcement material is passive in this reinforced earth technology, reinforcement material just plays a role in the process of retrained soil deformation.In addition, this reinforced earth is to having relatively high expectations of banketing, and conventionally selects the cohesionless soil can be better as filler effect, conventionally like this can bring higher material cost expense.The external basic cohesionless soil that adopts is as banketing.
Inventor adopted prestressing force reinforced earth technology to strengthen intensity and the stability of railway embankment using in 2003, and after time the theory of this technology has been carried out to correlative study.The prestressing force reinforced earth technology proposing before inventor, this technology has adopted the carbon fiber tape of high elastic modulus as reinforcement material, and by being anchored in after stretch-draw on baffle plate, this technology has increased the lateral restraint effect of baffle plate to the soil body.
But because the ground tackle adopting in this technology is unreliable, adopt anchor cup and anchor sheet that reinforcement material is anchored in to baffle position.If anchor sheet position is asymmetric a little, reinforcement material is just easy to skid in ground tackle, and loss of prestress is larger, after anchoring, can not adjust muscle band internal force.
Summary of the invention
The object of this invention is to provide a kind of rationally effectively anchor device, effective reinforcing side slope and muscle band is applied to reliable prestressing force, and according to the prestressing force on calculation requirement timely adjustment reinforcement material.Prevent that on the one hand the excessive generation muscle of Earth pressure band from destroying, adjust on the other hand the vertical displacement of side slope, meet functional requirement, and then a kind of anchor device of prestressing force reinforcement material is provided.
The object of the invention is to be achieved through the following technical solutions:
A kind of anchor device of prestressing force reinforcement material, comprise: baffle plate, nut, shank of bolt, displacement trasducer, connect plate and pad, described baffle plate is reinforced concrete structure, in baffle plate, be provided with anchor cylinder, steel mesh reinforcement and anchor bar, the inside of anchor cylinder is provided with internal thread, the outside of anchor cylinder is connected with anchor bar, steel mesh reinforcement in anchor bar and baffle plate is fixed together, shank of bolt is threaded and is anchored on baffle plate with the anchor cylinder in baffle plate, shank of bolt is provided with nut and pad, pad is arranged between nut and baffle plate, displacement trasducer comprises displacement trasducer external device (ED), displacement trasducer interior arrangement and steel ball, bottom and the shank of bolt of displacement trasducer external device (ED) are fixed together, displacement trasducer interior arrangement is small one and large one two cylindrical structurals that link together, great circle column construction is arranged in displacement trasducer external device (ED) chamber, small cylindrical structure is arranged on the opening part of displacement trasducer external device (ED), the outer end of small cylindrical structure be connected plate and be fixedly connected with, between the hoop inwall of the radial outer wall of great circle column construction and displacement trasducer external device (ED), be provided with one group of steel ball, between the inwall of the plane of the great circle column construction of small cylindrical structure one side and displacement trasducer external device (ED) opening one side, be provided with another group steel ball.
The present invention has the following advantages: the present invention can facilitate and accurately reinforcement material applied to prestressing force, and avoid reinforcement material to skid, can control the prestressing force on reinforcement material simultaneously, and, can carry out the adjustment of prestressing force secondary according to construction and service condition.
Accompanying drawing explanation
Fig. 1 does not install the structural representation of baffle plate 1 on anchor device shank of bolt 3;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is that the F of Fig. 1 is to view;
Fig. 4 is provided with the structural representation of baffle plate 1 on the shank of bolt 3 of anchor device;
Fig. 5 is the front view of baffle plate 1;
Fig. 6 is that the B of Fig. 5 is to view;
Fig. 7 is the C-C sectional view of Fig. 5;
Fig. 8 is the structural representation that baffle plate 1 is provided with five anchor cylinders 5;
Fig. 9 is the E-E sectional view of Fig. 8;
Figure 10 is that the D of Fig. 8 is to view;
Figure 11 is that displacement trasducer 4 profiles are polygonal schematic diagram;
Figure 12 is that displacement trasducer 4 profiles are spherical schematic diagram.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail: the present embodiment is implemented take technical solution of the present invention under prerequisite, provided detailed embodiment, but protection scope of the present invention is not limited to following embodiment.
As shown in Fig. 1 ~ Figure 12, the anchor device of a kind of prestressing force reinforcement material that the present embodiment is related, comprise: baffle plate 1, nut 2, shank of bolt 3, displacement trasducer 4, connect plate 7 and pad 8, described baffle plate 1 is reinforced concrete structure, in baffle plate 1, be provided with anchor cylinder 5, steel mesh reinforcement 9 and anchor bar 10, the inside of anchor cylinder 5 is provided with internal thread, the outside of anchor cylinder 5 is connected with anchor bar 10, anchor bar 10 is fixed together with the steel mesh reinforcement 9 in baffle plate 1, shank of bolt 3 is threaded and is anchored on baffle plate 1 with the anchor cylinder 5 in baffle plate 1, shank of bolt 3 is provided with nut 2 and pad 8, pad 8 is arranged between nut 2 and baffle plate 1, displacement trasducer 4 comprises displacement trasducer external device (ED) 41, displacement trasducer interior arrangement 42 and steel ball 6, the bottom of displacement trasducer external device (ED) 41 and shank of bolt 3 are fixed together, displacement trasducer interior arrangement 42 is small one and large one two cylindrical structurals that link together, great circle column construction is arranged in displacement trasducer external device (ED) 41 chambeies, small cylindrical structure is arranged on the opening part of displacement trasducer external device (ED) 41, the outer end of small cylindrical structure be connected plate 7 and be fixedly connected with, between the hoop inwall of the radial outer wall of great circle column construction and displacement trasducer external device (ED) 41, be provided with one group of steel ball 6, between the inwall of the plane of the great circle column construction of small cylindrical structure one side and displacement trasducer external device (ED) 41 opening one sides, be provided with another group steel ball 6.
Described shank of bolt 3 is provided with draw-in groove 11, uses spanner to turn shank of bolt 3 by draw-in groove 11, thereby can reduce the prestressing force on reinforcement material.
In space 12 between described displacement trasducer external device (ED) 41 and displacement trasducer interior arrangement 42, be full of sliding agent.
The top of described baffle plate 1 is provided with groove 13, and the bottom of baffle plate 1 is provided with projection 14.
Described displacement trasducer external device (ED) 41 be shaped as polygon or spherical.
Described baffle plate 1 is provided with one or more anchor cylinders 5.
Baffle plate 1 adopts reinforced concrete structure, and the size of reinforcement ratio is distributed and determined by prestressing force size anchorage point.The pre-buried anchor cylinder 5 of anchorage point on baffle plate 1, the effect of anchor bar 10 is to guarantee that anchor cylinder 5 has stressed reliably in baffle plate 1.Anchorage point on baffle plate 1 can arrange different quantity and position according to demand, and (as shown in Figure 8) baffle plate 1 is provided with a plurality of anchor cylinders 5.Baffle plate 1 can couple together use up and down, and upper lower baffle plate connects by insertion, and the bottom that the top of baffle plate is provided with a groove, baffle plate is provided with a projection, and connection can cooperatively interact.
The prestressing force numerical value being regulated above reinforcement material by nut 2 in anchor device, controls prestressing force size by torque wrench fastening nut 2.
Displacement trasducer 4 consists of inside and outside two parts, the displacement of level can rotate and have along with shank of bolt 3 to this part, the shape of displacement trasducer external device (ED) 41 can be made polygon or spherical, during displacement trasducer external device (ED) 41 actual fabrication, can be divided into upper and lower two parts along horizontal central line, these two parts all need to carry out the zinc-plated preservative treatment of carrying out, and by spherical steel ball 6, have an effect with displacement trasducer external device (ED) 41.Steel ball 6 is distributed in two positions, and a position is the side of inner cylinder, and another position is the end of interior cylinder.Between inside and outside device, be full of sliding agent.During actual fabrication, when displacement trasducer interior arrangement 42 and steel ball 6 are installed in after displacement trasducer external device (ED) 41, upper and lower two parts external device (ED) is externally welded along line of demarcation, butt welded seam carries out polishing, preservative treatment.The effect of steel ball 6 is to guarantee can freely rotate between displacement trasducer interior arrangement 42 and displacement trasducer external device (ED) 41, and displacement trasducer external device (ED) 41 is connected with baffle plate 1, and displacement trasducer interior arrangement 42 is connected with reinforcement material.Namely, when shank of bolt 3 rotates in the anchor hole of baffle plate 1, reinforcement material can not be rotated, and only understands with the displacement of external device (ED) occurred level, thereby can apply prestressing force to inner reinforcement material.Connect plate 7 and link together with the displacement trasducer interior arrangement 42 in displacement trasducer 4, assurance can be with the interior arrangement motion in displacement trasducer, and connecting plate is the position being connected with reinforcement material.By welding or bonding connection plate and reinforcement material are linked together.Thereby can drive reinforcement material motion, it is applied to prestressing force.
The present invention can facilitate and accurately reinforcement material applied to prestressing force, and avoids reinforcement material loss of prestress; Thereby can to the prestressing force on reinforcement material, control by adjusting nut or screw rod simultaneously.And, can carry out the adjustment of prestressing force secondary according to construction and service condition.After existing anchor device construction, just cannot loosen, tighten adjustment, this anchoring dress is because shank of bolt can interact with baffle plate, on shank of bolt, have at a certain distance a draw-in groove, so that spanner can turn shank of bolt, stress distribution on convenient adjustment muscle band.Through reality, use, when prestressing force on presstressed reinforcing steel band is excessive, by turning draw-in groove, reduce prestressing force on muscle band, in order to avoid inner reinforcement material is pulled off, guaranteed the safety of reinforcement material.
The above; it is only the preferably specific embodiment of the present invention; these specific embodiment are all the different implementations based under general idea of the present invention; and protection scope of the present invention is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement, within all should being encompassed in protection scope of the present invention.
Claims (6)
1. the anchor device of a prestressing force reinforcement material, it is characterized in that, comprise: baffle plate, nut, shank of bolt, displacement trasducer, connect plate and pad, described baffle plate is reinforced concrete structure, in baffle plate, be provided with anchor cylinder, steel mesh reinforcement and anchor bar, the inside of anchor cylinder is provided with internal thread, the outside of anchor cylinder and anchor bar welding, steel mesh reinforcement in anchor bar and baffle plate is fixed together, shank of bolt being threaded and being anchored on baffle plate with the inside of anchor cylinder in baffle plate is provided with, shank of bolt is provided with nut and pad, pad is arranged between nut and baffle plate, displacement trasducer comprises displacement trasducer external device (ED), displacement trasducer interior arrangement and steel ball, bottom and the shank of bolt of displacement trasducer external device (ED) are fixed together, displacement trasducer interior arrangement is small one and large one two cylindrical structurals that link together, great circle column construction is arranged in displacement trasducer external device (ED) chamber, small cylindrical structure is arranged on the opening part of displacement trasducer external device (ED), the outer end of small cylindrical structure be connected plate and be fixedly connected with, between the hoop inwall of the radial outer wall of great circle column construction and displacement trasducer external device (ED), be provided with one group of steel ball, between the inwall of the plane of the great circle column construction of small cylindrical structure one side and displacement trasducer external device (ED) opening one side, be provided with another group steel ball.
2. the anchor device of prestressing force reinforcement material according to claim 1, is characterized in that, described shank of bolt is provided with draw-in groove.
3. the anchor device of prestressing force reinforcement material according to claim 2, is characterized in that, in the space between described displacement trasducer external device (ED) and displacement trasducer interior arrangement, is full of sliding agent.
4. the anchor device of prestressing force reinforcement material according to claim 3, is characterized in that, the top of described baffle plate is provided with groove, and the bottom of baffle plate is provided with projection.
5. the anchor device of prestressing force reinforcement material according to claim 4, is characterized in that, described displacement trasducer external device (ED) be shaped as polygon or spherical.
6. the anchor device of prestressing force reinforcement material according to claim 5, is characterized in that, described baffle plate is provided with one or more anchor cylinders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210347151.5A CN102852143B (en) | 2012-01-19 | 2012-09-18 | Anchoring device for prestressed reinforcement materials |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210016869.6 | 2012-01-19 | ||
| CN201210016869 | 2012-01-19 | ||
| CN201210347151.5A CN102852143B (en) | 2012-01-19 | 2012-09-18 | Anchoring device for prestressed reinforcement materials |
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| Publication Number | Publication Date |
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| CN102852143A CN102852143A (en) | 2013-01-02 |
| CN102852143B true CN102852143B (en) | 2014-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210347151.5A Expired - Fee Related CN102852143B (en) | 2012-01-19 | 2012-09-18 | Anchoring device for prestressed reinforcement materials |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103290842A (en) * | 2013-05-30 | 2013-09-11 | 曾庆义 | Hinge-type anchor device with automatic fastener and anchor rod structure |
| CN104005410B (en) * | 2014-06-23 | 2015-12-02 | 湖南大学 | A kind of stretching and anchoring device based on prestressing without bondn reinforced earth technology |
| CN105735074B (en) * | 2015-12-07 | 2018-07-24 | 长沙学院 | Reinforced earth body sticks distortion of elastic-plastic measuring method, construction method and tensioning system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7416367B2 (en) * | 2005-05-13 | 2008-08-26 | St Onge Gene | Lateral force resistance device |
| RU97396U1 (en) * | 2010-03-26 | 2010-09-10 | Государственное образовательное учреждение высшего профессионального образования "Московский государственный университет путей сообщения" (МИИТ) | ANCHOR DEVICE |
| CN202007405U (en) * | 2010-12-20 | 2011-10-12 | 中铁隧道集团有限公司 | Vibration balancing anchoring device |
| CN202047408U (en) * | 2011-04-21 | 2011-11-23 | 中国十七冶集团有限公司 | Massif non-damage embedded anchoring device |
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