CN1702260A - Stay cable anchor protecting method - Google Patents
Stay cable anchor protecting method Download PDFInfo
- Publication number
- CN1702260A CN1702260A CN 200510026711 CN200510026711A CN1702260A CN 1702260 A CN1702260 A CN 1702260A CN 200510026711 CN200510026711 CN 200510026711 CN 200510026711 A CN200510026711 A CN 200510026711A CN 1702260 A CN1702260 A CN 1702260A
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- Prior art keywords
- drag
- line
- cone
- shaped shield
- pipeline
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Abstract
This invention discloses a protection technology of alachlor anchorage, which comprises the following steps: A, filling the protecting material in the alachlor channel and between the anchorages in the channel, covering the anchorages in the channel absolutely; B, installing the water-proof device in the opening of the alachlor channel; C, normally protecting the outer anchor outside the anchor slab. Wherein the water-proof device in step B is a conical hood, the macrostoma of which is bigger than the outer diameter of the alachlor channel and fitted outside the channel; while the small-bore of which is bigger than the alachlor and fitted outside the alachlor; in the small-bore of the hood is fixed the water-proof hood, whose macrostoma inner diameter is bigger than the small-bore outer diameter of the conical hood, and the water-proof hood covers outside the conical hood small-bore; the top small-bore inner diameter is smaller then the alachlor outer diameter, and it is flexuose and fitted outside the alachlor, in addition the gap is filled with water-proof material and water-proof sealant.
Description
Technical field:
The present invention relates to building field, particularly the means of defence of dragline anchorage.
Background technology:
Fast development along with the modern construction engineering science and technology, adopt (steel wire, wire rope, steel strand) drag-line to can be found everywhere as the Cable Structure engineering construction of supporting member, as cable stayed bridge, suspension bridge, be (hanging) bar arch bridge, adopt colosseum, departure lounge, aerodrome even TV transmission tower of Cable Structure ceiling or the like.Steel wire is coupled as one solid and reliablely in the ground tackle at drag-line two ends and the rope, and gives drag-line with dead load and other loading transfer, and the importance of dragline anchorage is conspicuous.In order to make ground tackle long-term operate as normal under various environments for use, must effectively protect it.
Suspension cable in the cable stayed bridge directly bears loads such as bridge deck structure deadweight and vehicle, crowd, and its two ends ground tackle is individually fixed in tower end (bridge tower structure) and beam-ends (bridge deck structure); The suspension rod of suspension bridge, and be that the dragline anchorages such as suspension rod of (hanging) bar arch bridge are fixed in main push-towing rope, arch rib and girder respectively.The protection of dragline anchorage comprises upper end (tower, main push-towing rope, arch rib) and lower end (girder) two parts.Wherein upper end invar pipe is suitable for reading is the anchor-hold point, presses closely connectedly between anchoring nut and anchor plate, can not intake in the drag-line pipeline, as long as carry out the protection of ground tackle.Having problems more is the water inlet of lower end drag-line pipeline and the protection of ground tackle.It is reported, there is the lower end (beam-ends) of drag-line with the suspension rod of quite a few cable stayed bridge, arch bridge and suspension bridge to have the different water inlet phenomenon of degree, steel wire to ground tackle even drag-line causes serious corrosion, the drag-line of some bridges is had to be changed in advance, and the corrosion of indivedual bridge Yin Lasuo is ruptured and caused a serious accident.By analysis, the beam-ends pipe water has two aspects usually: the one, enter from the steel sleeve opening part; The 2nd, infiltrate along the protective sleeve of pulling cable outer wall.
Summary of the invention:
The purpose of this invention is to provide a kind of dragline anchorage guard technology, this technology can effectively protect dragline anchorage to avoid corrosion, prolongs its normal service life.
To achieve these goals, technical scheme of the present invention is: method for protecting guy anchor may further comprise the steps: A, insert protective materials between the ground tackle in drag-line pipeline and pipeline, ground tackle in the pipeline is all covered; B, water-tight device is installed at the opening part of drag-line pipeline; C, the outside ground tackle of part beyond the anchor plate is carried out routine protect.
Wherein the water-tight device among the step B is a cone-shaped shield, and this cone-shaped shield is made up of two half-cone, and its big mouth is fixed on outside the drag-line pipeline greater than the drag-line outer diameter tube, and its osculum is fixed on outside the drag-line greater than the drag-line external diameter.Bucker also is installed on the cone-shaped shield osculum, and this bucker is by two semicircle compositions, and the big mouthful of internal diameter in its lower end is greater than the external diameter of cone-shaped shield osculum, cover outside the cone-shaped shield osculum, its upper end osculum internal diameter is less than the drag-line external diameter, and is zigzag, is fixed on the drag-line external surface.
In drag-line pipeline and pipeline, insert protective materials between the ground tackle, ground tackle in the pipeline is all covered, can guarantee that pipe water can not produce corrosion to ground tackle yet; At drag-line pipeline tapping place water-tight device is installed, can be prevented opening part water inlet from the drag-line pipeline; And the outside ground tackle of part beyond the anchor plate is carried out the routine protection, can prevent the outside ground tackle generation corrosion of part in addition of drag-line pipeline again.Adopt multiple water proof structure form like this, multiple waterproof barrier is set, make dragline anchorage exempt from corrosion.
Description of drawings:
Fig. 1 is the schematic diagram of one embodiment of the invention
Fig. 2 is the A-A line sectional drawing of bucker
The specific embodiment:
Below in conjunction with drawings and Examples the present invention is further described.
Method for protecting guy anchor of the present invention may further comprise the steps: A, insert protective materials 12 between the ground tackle 10 in drag-line pipeline 17 and pipeline, ground tackle in the pipeline 10 is all covered; B, water-tight device is installed at the opening part of drag-line pipeline 17; C, the outside ground tackle 16 of part beyond the anchor plate 11 is carried out routine protect.
Wherein steps A may further comprise the steps again: a, drag-line installation in position, and be stretched to design Suo Li; B, an elongated tubular is stretched into drag-line pipeline 17 to the bottom; C, utilize elongated tubular that protective materials 12 is injected, ground tackle 10 covers fully in pipeline; D, fill with waterproofing materials 2 in other zone of drag-line pipeline 17.Wherein said protective materials 12 refers to slushing oil or other protective materials.
Wherein the water-tight device among the step B is a cone-shaped shield 1, and this cone-shaped shield 1 is processed into two half-cone when factory process, be welded into integral body to the erecting bed.Cone-shaped shield 1 is except big osculum, all the other are a closure casing, its big mouthful greater than drag-line pipeline 17 external diameters, the suitable for reading of drag-line pipeline 17 covered fully, to reach the purpose of waterproof, have certain clearance between 1 big mouthful of guard shield and the drag-line pipeline 17, in drag-line pipeline 17, be in eccentric state with adaptive stay cable 18.During drag-line 18 vibrations, drive cone-shaped shield 1 swing, pressure injection waterproof gasket cement 3 and installation rubber strip 4 or other elastomeric material in the gap make to be elastomeric bearing between cone-shaped shield 1 and the drag-line pipeline 17.Pressure injection waterproof gasket cement 3 and installation packing 5 in the gap between guard shield 1 osculum and drag-line 18 outsides, packing 5 adopts rubber strip or other elastomeric material, its diameter is a bit larger tham the gap, the elastic force that compressive strain provided by rubber or other elastomeric material, make itself and drag-line appearance and guard shield osculum inwall closely connected, thereby reach the purpose of sealing.Bucker 6 is installed on the osculum of cone-shaped shield 1, bucker 6 is formed a pair by two semicircle amalgamations, bolt clip by both sides fastens, the big mouthful of internal diameter in its lower end covers cone-shaped shield 1 osculum greater than the external diameter of cone-shaped shield 1 osculum, and its upper end osculum internal diameter is less than drag-line 18 external diameters, and be zigzag, by the elastic force that compressive strain provided of sawtooth, make itself and drag-line appearance closely connected, thereby reach the purpose of sealing.Edge joint position in bucker upstream face (upper surface) and both sides is provided with concavo-convex notch, and during installation, tongue 8 is last, and groove 9 is down, in case rainwater flows into from piece; Then, between bucker and drag-line, make an inclined-plane 13 with waterproof gasket cement.
Therefore, step B comprises following steps: e again, the two halves of cone-shaped shield 1 are enclosed within drag-line 18 outside welds are connected into integral body; F, fixing cone-shaped shield 1 are installed elastomeric material 4 in the gap of Qi Dakou and drag-line pipeline 17, and pressure injection waterproof gasket cement 3; G, cone-shaped shield 1 osculum place carry out the centering location with timber wedge; H, usefulness waterproofing materials 2 fillings in cone-shaped shield 1; I, in the gap of cone-shaped shield 1 osculum and drag-line 18 pressure injection non-drying waterproof gasket cement 14 and packing 5 is installed, and pressure injection waterproof gasket cement 3; J, in the serrated slot 7 of bucker 6, fill up waterproof gasket cement; K, press tongue 8 last, groove 9 under mode two semicircle spares of bucker 6 are installed on the drag-line 18, and make the lower end of bucker 6 be close to the osculum of cone-shaped shield 1 for big mouthful; L, bucker is fixedly clamped; M, make an inclined-plane 13 at bucker 6 and 18 of drag-lines with waterproof gasket cement.
Routine protection among the step C is smeared slushing oil for outside ground tackle 16 surfaces of part beyond anchor plate 11, and protective cover 15 can be set, and makes that the outside ground tackle 16 beyond the anchor plate 11 all is in the protection domain of protective cover 15.
Claims (8)
1, method for protecting guy anchor may further comprise the steps: A, insert protective materials (12) between the ground tackle (10) in drag-line pipeline (17) and pipeline, ground tackle in the pipeline (10) is all covered; B, water-tight device is installed at the opening part of drag-line pipeline (17); C, to anchor plate (11) in addition the outside ground tackle (16) of part carry out routine and protect.
2, method for protecting guy anchor as claimed in claim 1 is characterized in that steps A may further comprise the steps again: a, drag-line installation in position, and be stretched to design Suo Li; B, an elongated tubular is stretched into drag-line pipeline (17) to the bottom; C, utilize elongated tubular that protective materials (12) is injected, ground tackle in pipeline (10) covers fully; D, fill with waterproofing materials (2) in other zone of drag-line pipeline (17).
3, method for protecting guy anchor as claimed in claim 2, it is characterized in that the water-tight device among the step B is cone-shaped shield (1), this cone-shaped shield (1) is made up of two half-cone, its big mouthful greater than drag-line pipeline (17) external diameter, be fixed on outside the drag-line pipeline (17), its osculum is fixed on outside the drag-line (18) greater than drag-line external diameter (18).
4, method for protecting guy anchor as claimed in claim 3 is characterized in that on cone-shaped shield (1) osculum bucker (6) being installed also.
5, method for protecting guy anchor as claimed in claim 4, it is characterized in that this bucker (6) is by two semicircle compositions, the big mouthful of internal diameter in its lower end is greater than the external diameter of cone-shaped shield (1) osculum, cover outside cone-shaped shield (1) osculum, its upper end osculum internal diameter is less than drag-line (18) external diameter, and be zigzag, be fixed on the external surface of drag-line (18).
6, method for protecting guy anchor as claimed in claim 5 is characterized in that two semicircle mosaics of this bucker (6) are provided with groove (9) and tongue (8).
7, method for protecting guy anchor as claimed in claim 6 is characterized in that step B comprises following steps: e again, the two halves of cone-shaped shield (1) are enclosed within drag-line (18) outside weld are connected into integral body; F, fixing cone-shaped shield (1) are installed elastomeric material (4) in the gap of Qi Dakou and drag-line pipeline (17), and pressure injection waterproof gasket cement (3); G, cone-shaped shield (1) osculum place carry out the centering location with timber wedge; H, usefulness waterproofing materials (2) filling in cone-shaped shield (1); I, in the gap of cone-shaped shield (1) osculum and drag-line (18) pressure injection non-drying waterproof gasket cement (14) and packing (5) is installed, and pressure injection waterproof gasket cement (3); J, in the serrated slot (7) of bucker (6), fill up waterproof gasket cement; K, press tongue (8) last, groove (9) under mode two semicircle spares of bucker (6) are installed on the drag-line (18), and make the lower end of bucker (6) be close to the osculum of cone-shaped shield (1) for big mouthful; L, bucker (6) is fixedly clamped; M, between bucker (6) and drag-line (18), make an inclined-plane (13) with waterproof gasket cement.
8, method for protecting guy anchor as claimed in claim 1 is characterized in that the routine protection among the step C is to smear slushing oil in outside ground tackle (16) surface of part in addition at anchor plate (11), and protective cover (15) is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510026711 CN1702260A (en) | 2005-06-13 | 2005-06-13 | Stay cable anchor protecting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510026711 CN1702260A (en) | 2005-06-13 | 2005-06-13 | Stay cable anchor protecting method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1702260A true CN1702260A (en) | 2005-11-30 |
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ID=35632196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510026711 Pending CN1702260A (en) | 2005-06-13 | 2005-06-13 | Stay cable anchor protecting method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1702260A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061737A (en) * | 2016-12-23 | 2017-08-18 | 十堰达峰软轴有限公司 | A kind of automobile gear shifting inhaul cable sealing device |
| CN107740340A (en) * | 2017-12-07 | 2018-02-27 | 中铁二院工程集团有限责任公司 | A kind of device for improving large span Deck Arch Bridges spandrel structure anti-seismic performance |
| CN107893367A (en) * | 2017-12-07 | 2018-04-10 | 中铁二院工程集团有限责任公司 | A kind of method for being used to improve large span Deck Arch Bridges spandrel structure anti-seismic performance in work progress |
| CN108035256A (en) * | 2018-01-31 | 2018-05-15 | 中铁大桥(郑州)缆索有限公司 | A kind of bridge cable waterproof sealing system |
-
2005
- 2005-06-13 CN CN 200510026711 patent/CN1702260A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061737A (en) * | 2016-12-23 | 2017-08-18 | 十堰达峰软轴有限公司 | A kind of automobile gear shifting inhaul cable sealing device |
| CN107740340A (en) * | 2017-12-07 | 2018-02-27 | 中铁二院工程集团有限责任公司 | A kind of device for improving large span Deck Arch Bridges spandrel structure anti-seismic performance |
| CN107893367A (en) * | 2017-12-07 | 2018-04-10 | 中铁二院工程集团有限责任公司 | A kind of method for being used to improve large span Deck Arch Bridges spandrel structure anti-seismic performance in work progress |
| CN108035256A (en) * | 2018-01-31 | 2018-05-15 | 中铁大桥(郑州)缆索有限公司 | A kind of bridge cable waterproof sealing system |
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Open date: 20051130 |