CN102154861B - Ultrahigh fatigue stress amplitude resistant steel cable - Google Patents
Ultrahigh fatigue stress amplitude resistant steel cable Download PDFInfo
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- CN102154861B CN102154861B CN 201110088954 CN201110088954A CN102154861B CN 102154861 B CN102154861 B CN 102154861B CN 201110088954 CN201110088954 CN 201110088954 CN 201110088954 A CN201110088954 A CN 201110088954A CN 102154861 B CN102154861 B CN 102154861B
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- stress amplitude
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- wire bundle
- steel wire
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Abstract
The invention relates to an ultrahigh fatigue stress amplitude resistant steel cable which is mainly used for bridges and other building structures. In the steel cable, steel wires with the fatigue stress amplitude of over 500 MPa form a steel wire bundle (1); the steel wire bundle (1) is twisted at 2+/- 0.5 degrees; a fibrous band is wound on the surface of the steel wire bundle (1); an anchorage device (5) is arranged at two ends of the steel wire bundle (1) respectively; a fatigue resistance ring (2) is arranged on the transition part of each anchorage device (5) and the steel wire bundle (1), namely the small end of a conical cavity of the anchorage device; the fatigue resistance ring (2) is made of phenolic resin; the size of the inner diameter of the fatigue resistance ring is smaller than that of the diameter of the small end of the anchorage device; and copper zinc alloy (3) and epoxy filler (4) are poured into a gap between the conical cavity of each anchorage device (5) and the steel wire bundle (1) from the front to the back respectively. The steel cable has high an ultrahigh stress amplitude and fatigue resistance, the stress upper limit of the steel cable reaches 0.4 time nominal breaking load, and the steel cable has the ultrahigh stress amplitude of over 400 MPa, and the fatigue resistance performance that the cycle index reaches two million times.
Description
Technical field
The present invention relates to a kind of cable wire.Be mainly used in bridge and other building structure.Belong to the building structural member technical field.
Background technology
The anti-fatigue performance of cable wire has directly determined its cycle fatigue life.Traditional cable wire is applied to mobile load and accounts for bridge and other building structure than small scale.The stress amplitude of its cable wire requires generally between 100-200MPa.The large-span cable net that is used for along with difference and the appearance of rope membrane structure; Its mobile load that acts on the cable wire has accounted for bigger ratio; Require the stress upper limit of cable wire to reach 0.4 times the disrumpent feelings load of nominal, have 400MPa above the ultrahigh stress width of cloth, cycle-index and reach 2,000,000 times anti-fatigue performance.In traditional wire rope structure, adopting the antifatigue stress amplitude is the steel wire twisting bunchy of 360MPa, and steel wire is dispersed in the awl chamber of ground tackle, and small end has a flex point to steel wire in the awl chamber of ground tackle.Under the ultrahigh stress width of cloth of 400MPa, the cover wire of cable wire very easily produces friction with the awl chamber small end of ground tackle in this corner position, causes the fatigue rupture of cable wire.
Summary of the invention
The objective of the invention is to overcome above-mentioned deficiency, a kind of cable wire with anti-superelevation Fatigue Stress Amplitude of the ultrahigh stress width of cloth and anti-fatigue performance is provided.
The objective of the invention is to realize like this: a kind of cable wire of anti-superelevation Fatigue Stress Amplitude; This cable wire is that the steel wire that Fatigue Stress Amplitude reaches more than the 500MPa is formed steel tendon; Steel tendon is wound with fiber band through 2 ° ± 0.5 ° twisting on the steel tendon surface, at the steel tendon two ends ground tackle is installed; The intermediate location of ground tackle and steel tendon is that the small end in ground tackle awl chamber is equipped with the antifatigue ring; This antifatigue ring material adopts phenolic resins, and the internal diameter size of this fatigue ring is littler than the diameter dimension of ground tackle awl chamber small end, and the awl chamber of ground tackle and the gap between the steel tendon are poured into a mould pltine and epoxy filler respectively from A-P.
The invention has the beneficial effects as follows:
1, cable wire of the present invention is installed the antifatigue ring that phenolic resins is processed through the small end in ground tackle awl chamber, the internal diameter size of this fatigue ring is littler than the diameter dimension of the small end in ground tackle awl chamber, has stopped contacting of steel wire and ground tackle.Make steel tendon in ground tackle, begin the flex point place of dispersing, do not contact with ground tackle, avoided cover wire under high Fatigue Stress Amplitude with the friction of ground tackle, improved the anti-fatigue performance of cable wire.
2, the antifatigue ring material adopts phenolic resins, and resistance to elevated temperatures and constancy are good, can guarantee that it is not melted in the high temperature casting cycle and can retrains steel wire preferably, can not form the fatigue stress source in Steel Wire Surface.
3, cable wire of the present invention is that the steel wire that Fatigue Stress Amplitude reaches more than the 500MPa is formed steel tendon; Steel tendon is through 2 ° ± 0.5 ° twisting; Make cable wire have the ultrahigh stress width of cloth and anti-fatigue performance; The stress upper limit of cable wire reaches the disrumpent feelings load of nominal more than 0.4 times, has 400MPa above the ultrahigh stress width of cloth, cycle-index and reaches 2,000,000 times anti-fatigue performance.
Description of drawings
Fig. 1 is the wire rope structure sketch map of the anti-superelevation Fatigue Stress Amplitude of the present invention.
Fig. 2 is section one sketch map of the cable wire of the anti-superelevation Fatigue Stress Amplitude of the present invention.
Fig. 3 is section two sketch mapes of the cable wire of the anti-superelevation Fatigue Stress Amplitude of the present invention.
Reference numeral among the figure:
The specific embodiment
Referring to 1, Fig. 1 is the wire rope structure sketch map of the anti-superelevation Fatigue Stress Amplitude of the present invention.Can find out that by Fig. 1 the cable wire of the anti-superelevation Fatigue Stress Amplitude of the present invention, this cable wire are that the steel wire that Fatigue Stress Amplitude reaches more than the 500MPa is formed steel tendon 1; Steel tendon 1 is through 2 ° ± 0.5 ° little twisting; (steel tendon can protect by cohering ethene sheath 6, and like Fig. 2, also cohering ethene sheath does not protect to twine the high strength fibre band then; Like Fig. 3); Ground tackle 5 is installed at steel tendon 1 two ends then, is that the small end in ground tackle awl chamber is installed antifatigue ring 3 in the intermediate location of ground tackle 5 and steel tendon 1, and the internal diameter size of this fatigue ring is littler than the diameter dimension of ground tackle awl chamber small end; These antifatigue ring 3 materials adopt phenolic resins, and the awl chamber of ground tackle 5 and the gap between the steel tendon 1 are poured into a mould pltine 3 and epoxy filler 4 respectively from A-P.To guarantee anchoring property and to improve anti-fatigue performance.
Claims (2)
1. the cable wire of an anti-superelevation Fatigue Stress Amplitude; It is characterized in that: this cable wire is that the steel wire that Fatigue Stress Amplitude reaches more than the 500MPa is formed steel tendon (1); Steel tendon (1) is through 2 ° ± 0.5 ° twisting; Be wound with fiber band on steel tendon (1) surface; At steel tendon (1) two ends ground tackle (5) is installed, the intermediate location of ground tackle (5) and steel tendon (1) is that the small end in ground tackle awl chamber is equipped with antifatigue ring (3), and this antifatigue ring (3) material adopts phenolic resins; The internal diameter size of this fatigue ring is littler than the diameter dimension of ground tackle awl chamber small end, pours into a mould pltine (4) and epoxy filler (3) in the awl chamber and the gap between the steel tendon (1) of said ground tackle (5) respectively from A-P.
2. the cable wire of a kind of anti-superelevation Fatigue Stress Amplitude according to claim 1 is characterized in that: said steel tendon (1) surface that is wound with fiber band (2) is provided with pe sheath (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110088954 CN102154861B (en) | 2011-04-11 | 2011-04-11 | Ultrahigh fatigue stress amplitude resistant steel cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110088954 CN102154861B (en) | 2011-04-11 | 2011-04-11 | Ultrahigh fatigue stress amplitude resistant steel cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102154861A CN102154861A (en) | 2011-08-17 |
| CN102154861B true CN102154861B (en) | 2012-10-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110088954 Active CN102154861B (en) | 2011-04-11 | 2011-04-11 | Ultrahigh fatigue stress amplitude resistant steel cable |
Country Status (1)
| Country | Link |
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| CN (1) | CN102154861B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI626207B (en) * | 2017-02-14 | 2018-06-11 | Lin ju yu | Carrying cable in the process of panel |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1064458A (en) * | 1963-06-17 | 1967-04-05 | Macchi Romualdo | Improvements relating to methods for anchoring wires |
| US4592181A (en) * | 1983-08-22 | 1986-06-03 | Losinger Ag | Anchoring of freely oscillating tension elements of steel of a dynamically stressed structural component |
| DE29504739U1 (en) * | 1995-03-20 | 1995-05-18 | Dyckerhoff & Widmann AG, 81902 München | Corrosion-protected tension member, primarily external tendon for prestressed concrete without bond |
| CN1644791A (en) * | 2005-01-25 | 2005-07-27 | 江苏法尔胜新日制铁缆索有限公司 | Supehigh strength parallel steel wire durable cables |
| CN2714617Y (en) * | 2004-07-06 | 2005-08-03 | 江苏法尔胜新日制铁缆索有限公司 | Lasting anti-fatigue cold-hot-cast anchor drag line |
| CN200943288Y (en) * | 2006-08-15 | 2007-09-05 | 北京工业大学 | Prestress FRP tendon wedge-bush type anchorage |
| CN101168955A (en) * | 2007-11-29 | 2008-04-30 | 江苏法尔胜新日制铁缆索有限公司 | Inclined guy cable body structure inflated with nitrogen |
| CN101168954A (en) * | 2007-11-29 | 2008-04-30 | 江苏法尔胜新日制铁缆索有限公司 | Maintainable guy cable capable of ensuring durability |
-
2011
- 2011-04-11 CN CN 201110088954 patent/CN102154861B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1064458A (en) * | 1963-06-17 | 1967-04-05 | Macchi Romualdo | Improvements relating to methods for anchoring wires |
| US4592181A (en) * | 1983-08-22 | 1986-06-03 | Losinger Ag | Anchoring of freely oscillating tension elements of steel of a dynamically stressed structural component |
| DE29504739U1 (en) * | 1995-03-20 | 1995-05-18 | Dyckerhoff & Widmann AG, 81902 München | Corrosion-protected tension member, primarily external tendon for prestressed concrete without bond |
| CN2714617Y (en) * | 2004-07-06 | 2005-08-03 | 江苏法尔胜新日制铁缆索有限公司 | Lasting anti-fatigue cold-hot-cast anchor drag line |
| CN1644791A (en) * | 2005-01-25 | 2005-07-27 | 江苏法尔胜新日制铁缆索有限公司 | Supehigh strength parallel steel wire durable cables |
| CN200943288Y (en) * | 2006-08-15 | 2007-09-05 | 北京工业大学 | Prestress FRP tendon wedge-bush type anchorage |
| CN101168955A (en) * | 2007-11-29 | 2008-04-30 | 江苏法尔胜新日制铁缆索有限公司 | Inclined guy cable body structure inflated with nitrogen |
| CN101168954A (en) * | 2007-11-29 | 2008-04-30 | 江苏法尔胜新日制铁缆索有限公司 | Maintainable guy cable capable of ensuring durability |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI626207B (en) * | 2017-02-14 | 2018-06-11 | Lin ju yu | Carrying cable in the process of panel |
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| Publication number | Publication date |
|---|---|
| CN102154861A (en) | 2011-08-17 |
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