CN1936229A - Integral-filled type plastic-coated steel twisted line - Google Patents
Integral-filled type plastic-coated steel twisted line Download PDFInfo
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- CN1936229A CN1936229A CN 200610096555 CN200610096555A CN1936229A CN 1936229 A CN1936229 A CN 1936229A CN 200610096555 CN200610096555 CN 200610096555 CN 200610096555 A CN200610096555 A CN 200610096555A CN 1936229 A CN1936229 A CN 1936229A
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- integral
- steel strand
- type plastic
- filled type
- coated steel
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Abstract
The invention relates to an entire filling plastic coating steel strand that includes a core thread and plural side track. The feature is that it is coated a HDPE plastic anticorrosion insulation, and HDPE plastic anticorrosion layer is also filled in the clearance between core thread and side track. It has good anticorrosion capability, and has the same mechanical properties and utilization property as normal PC steel strand.
Description
Technical field:
The present invention relates to the member that a kind of prestress engineering is used, particularly do not have the integral-filled type plastic-coated steel twisted line that bonding worker method is used.Be widely used in and do not have bonding worker method construction anchor cable.
Background technology:
At present, as the steel strand of one of prestress engineering main member, particularly there are not the steel strand that bonding worker method is used, for improving its Corrosion Protection, general employing has the plain bar twisted wire of HDPE protective jacket, or sprays one deck or double layer of metal in the appearance of plain bar twisted wire, referring to Fig. 1, Fig. 2.Perhaps at the appearance spray epoxy of each root steel wire of plain bar twisted wire, referring to Fig. 3.Perhaps the patent No. as the applicant application is the patent shown in 03259753.3: spray epoxy in the appearance of plain bar twisted wire and gap thereof, and referring to Fig. 4.First three plants structure, has the gap between each steel wire of steel strand, and corrosive mediums such as water and air can enter these gaps from the end, thereby causes the steel strand can not be fully anticorrosion.The 4th kind of structure, the antiseptic property brilliance, but its cost is higher.
Summary of the invention:
The objective of the invention is to overcome above-mentioned deficiency, providing a kind of neither influences the original mechanical performance of steel strand, and the lower integral-filled type plastic-coated steel twisted line of cost.
The object of the present invention is achieved like this: a kind of integral-filled type plastic-coated steel twisted line, comprise the steel strand that a heart yearn and Duo Gen side line constitute, it is characterized in that: around the outer rim of these steel strand, apply one deck HDPE plastics anticorrosive coat, and in the gap of heart yearn and each side line, also fill full HDPE plastics anticorrosive coat.
Integral-filled type plastic-coated steel twisted line of the present invention at the steel strand surface coating grease that applies HDPE plastics anticorrosive coat or the mixture of paraffin or grease and paraffin, applies one deck HDPE plastics anticorrosive coat again outside it.
Because adopt said structure, the present invention's integral-filled type plastic-coated steel twisted line has advantage:
1, has superior corrosion resistance, chemical resistance and water resistance;
2, solve common anticorrosive steel strand aqueous vapor and enter the problem that antiseptic power is reduced by the gap between each steel wire of forming steel strand;
3, mechanical performance is consistent with common PC steel strand.
Description of drawings
Fig. 1 is in the past with the plain bar twisted wire cross-sectional structure schematic diagram of HDPE sheath.
Fig. 2 is in the past with the steel strand cross-sectional structure schematic diagram of coat of metal.
Fig. 3 is the steel strand cross-sectional structure schematic diagram of monofilament spray epoxy in the past.
Fig. 4 is integral-filled property epoxy steel strand cross-sectional structure schematic diagram in the past.
Fig. 5 is the embodiment 1 cross-sectional structure schematic diagram of integral-filled type plastic-coated steel twisted line of the present invention.
Fig. 6 is the embodiment 2 cross-sectional structure schematic diagrames of integral-filled type plastic-coated steel twisted line of the present invention.
The mixture 5 of heart yearn 1, side line 2, HDPE plastic coating 3, HDPE plastic coating 4, grease or paraffin or grease and paraffin, HDPE plastic coating 6, metal level 7, epoxy resin 8 among the figure.
The specific embodiment
Embodiment 1: integral-filled type plastic-coated steel twisted line
As shown in Figure 5, heart yearn 1 and Duo Gen side line 2 constitute steel strand, apply one deck HDPE plastics anticorrosive coat 3 around the outer rim of these steel strand, and this coating layer thickness is 0.8mm-1.2mm.And in the gap of heart yearn 1 and each side line 2, also fill full HDPE plastics anticorrosive coat 4.
Embodiment 2: in fill out the integral-filled type plastic-coated steel twisted line of grease or paraffin
This kind strand structure is the mixture 5 that applies grease or paraffin or grease and paraffin at the steel strand surface of embodiment 1 described coating HDPE plastics anticorrosive coat 3 as shown in Figure 6, applies one deck HDPE plastics anticorrosive coat 6 again outside it.Grease and paraffin can be any mixing ratio.
Claims (3)
1, a kind of integral-filled type plastic-coated steel twisted line, comprise the steel strand that a heart yearn (1) and many side lines (2) constitute, it is characterized in that: around the outer rim of these steel strand, apply one deck HDPE plastics anticorrosive coats (3), and in the gap of heart yearn (1) and each side line (2), also fill full HDPE plastics anticorrosive coat (4).
2, a kind of integral-filled type plastic-coated steel twisted line according to claim 1, it is characterized in that:, outside it, apply one deck HDPE plastics anticorrosive coats (6) again at the steel strand surface coating grease that applies HDPE plastics anticorrosive coats (3) or the mixture (5) of paraffin or grease and paraffin.
3, a kind of integral-filled type plastic-coated steel twisted line according to claim 1 and 2 is characterized in that: HDPE plastics anticorrosive coat (3) thickness of described steel strand is 0.8mm-1.2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100965556A CN100368648C (en) | 2006-09-30 | 2006-09-30 | Integral-filled type plastic-coated steel twisted line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100965556A CN100368648C (en) | 2006-09-30 | 2006-09-30 | Integral-filled type plastic-coated steel twisted line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1936229A true CN1936229A (en) | 2007-03-28 |
| CN100368648C CN100368648C (en) | 2008-02-13 |
Family
ID=37953927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100965556A Expired - Fee Related CN100368648C (en) | 2006-09-30 | 2006-09-30 | Integral-filled type plastic-coated steel twisted line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100368648C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103352424A (en) * | 2013-04-19 | 2013-10-16 | 奥盛（九江）钢线钢缆有限公司 | Method for manufacturing double-layer unbonded steel strand |
| JP2017025625A (en) * | 2015-07-24 | 2017-02-02 | 株式会社フジタ | Bundle reinforcement |
| CN109298494A (en) * | 2015-01-08 | 2019-02-01 | 住友电工钢线株式会社 | Coat the twisted wire of PC steel |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2315185Y (en) * | 1997-07-25 | 1999-04-21 | 中外合资柳州欧维姆建筑机械有限公司 | Adhesive corrosion resistant steel twisted line |
| JPH1181171A (en) * | 1997-09-05 | 1999-03-26 | Hien Denko Kk | Rust preventive-coated prestressing steel strand and prestressing steel bar |
| FR2783266B1 (en) * | 1998-09-16 | 2000-12-15 | Spie Precontrainte | REPLACEABLE ANCHORING MEMBER, MIXED PROTECTION DEVICE, REPLACEABLE EXTERNAL PRESSURE SYSTEM AND STRUCTURE |
| CN2716317Y (en) * | 2003-09-10 | 2005-08-10 | 柳州欧维姆机械股份有限公司 | External prestressed drag cable |
-
2006
- 2006-09-30 CN CNB2006100965556A patent/CN100368648C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103352424A (en) * | 2013-04-19 | 2013-10-16 | 奥盛（九江）钢线钢缆有限公司 | Method for manufacturing double-layer unbonded steel strand |
| CN109298494A (en) * | 2015-01-08 | 2019-02-01 | 住友电工钢线株式会社 | Coat the twisted wire of PC steel |
| CN109298494B (en) * | 2015-01-08 | 2021-01-01 | 住友电气工业株式会社 | Stranded wire coated with PC steel |
| JP2017025625A (en) * | 2015-07-24 | 2017-02-02 | 株式会社フジタ | Bundle reinforcement |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100368648C (en) | 2008-02-13 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080213 Termination date: 20150930 |
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| EXPY | Termination of patent right or utility model |