CN104372745B - The anchoring process of carbon fibre composite drag-line - Google Patents
The anchoring process of carbon fibre composite drag-line Download PDFInfo
- Publication number
- CN104372745B CN104372745B CN201410679349.2A CN201410679349A CN104372745B CN 104372745 B CN104372745 B CN 104372745B CN 201410679349 A CN201410679349 A CN 201410679349A CN 104372745 B CN104372745 B CN 104372745B
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- ground tackle
- panel
- wire sub
- rear end
- carbon fibre
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/14—Towers; Anchors ; Connection of cables to bridge parts; Saddle supports
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The present invention relates to a kind of anchoring process of carbon fibre composite drag-line, it is characterized in that first the carbon fiber composite reinforcement at carbon fibre composite drag-line two ends being arranged in the ground tackle at two ends, first carry out plasm pouring in plane in the ground tackle of then one end wherein and carry out plasm pouring vertically again, in the ground tackle of the other end, then equally first carry out plasm pouring in plane carry out plasm pouring vertically again.The anchoring process of carbon fibre composite drag-line of the present invention can make the aggregate deposition direction in anchoring filling agent axially consistent with ground tackle, in ground tackle cross section, the performance of anchoring filling agent is even, the modulus gradient change direction of anchoring filling agent is axially consistent with ground tackle, from ground tackle front end to rear end, the modulus of anchoring filling agent becomes large gradually, be conducive to alleviating the peak stress of muscle material in ground tackle inside, carbon fiber composite reinforcement can be avoided again in ground tackle load-bearing end simultaneously to produce stress concentration phenomenon and premature failure, thus the high strength of carbon fiber composite reinforcement can be given full play to.
Description
Technical field
The present invention relates to a kind of anchoring process of carbon fibre composite drag-line, be mainly used in anchoring carbon fibre composite drag-line.
Background technology
The excellent properties such as carbon fibre composite has lightweight, high-strength, not corrosion, corrosion-resistant, endurance, coefficient of thermal expansion are low, damping performance is good, carbon fiber composite reinforcement is used for the drag-line parts in long-span cable-supported bridge, fundamentally can solves steel cable antifatigue and the poor problem of decay resistance.At present, the anchoring process of domestic carbon fibre composite drag-line is level and fills with anchor, by ground tackle horizontal positioned, carbon fiber composite reinforcement is through the sub-wire hole baffle plate of anchoring front and back end, anchoring filling agent pours into from ground tackle intermediate openings, ground tackle rear and front end has venthole, when anchoring filling agent overflows from rear and front end venthole, show that ground tackle is filled.
The deficiency of this technology is:
One: level is filled with anchor and caused the precipitation direction of aggregate in anchoring filling agent axially vertical with ground tackle, causes the modulus of filler in ground tackle cross section and frictional behaviour all to produce difference, when drag-line axial carrying, muscle material discontinuity in ground tackle cross section.
Its two: level fill with anchor cause anchoring filling agent and ground tackle front and back end sub-wire baffle plate close contact in ground tackle, when drag-line axial carrying, the sub-wire baffle plate of ground tackle front end can hinder pushing ahead of anchoring filling agent, thus produce stress in ground tackle load-bearing end concentrated, rupture in anchoring end so the carbon fibre composite drag-line static load damage-form that level filling anchor is made often shows as muscle material, the hot strength of carbon fibre composite can not be given full play to.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, thering is provided a kind of can make the aggregate deposition direction in anchoring filling agent axially consistent with ground tackle, make the performance of anchoring filling agent in ground tackle cross section even, carbon fiber composite reinforcement can be avoided again in ground tackle load-bearing end simultaneously to produce stress concentration phenomenon and premature failure, thus the anchoring process of the carbon fibre composite drag-line of the high strength of carbon fiber composite reinforcement can be given full play to.
The object of the present invention is achieved like this:
A kind of anchoring process of carbon fibre composite drag-line, first the carbon fiber composite reinforcement at carbon fibre composite drag-line two ends is arranged in the ground tackle at two ends, first carry out plasm pouring in plane in the ground tackle of then one end wherein and carry out plasm pouring vertically again, then in the ground tackle of the other end, equally first carry out plasm pouring in plane carry out plasm pouring vertically again, described ground tackle comprises steel bushing, ground tackle front end wire sub-panel, ground tackle rear end first wire sub-panel and ground tackle rear end second wire sub-panel, first cavity is there is in steel bushing between ground tackle rear end first wire sub-panel and ground tackle rear end second wire sub-panel, steel bushing barrel between ground tackle rear end first wire sub-panel and ground tackle rear end second wire sub-panel is provided with a grout hole, second cavity is there is in steel bushing between ground tackle front end wire sub-panel and ground tackle rear end first wire sub-panel, plasm pouring in plane pours into the first cavity, plasm pouring vertically pours into the second cavity.
Concrete grammar is first carbon fiber composite reinforcement is passed front end wire sub-panel, ground tackle rear end first wire sub-panel and ground tackle rear end second wire sub-panel, after carbon fiber composite reinforcement has been arranged, by ground tackle horizontal positioned, epoxy resin is poured into from grout hole, air is also discharged from grout hole simultaneously, until the first cavity is filled, after the epoxy resin cure in the first cavity, carbon fibre composite cable body is sling, make the unsettled vertical placement of ground tackle, remove front end wire sub-panel, in the second cavity, epoxy resin mortar is poured into from removing of front end wire sub-panel, percussion vibration limit, limit is poured into, be poured into epoxy resin sand Starch Level and ground tackle front end surface difference 15mm ~ 20mm stop, to be solidified the completing such as front end wire sub-panel to be covered, in like manner complete the anchoring of the carbon fibre composite drag-line other end.
Compared with prior art, the invention has the beneficial effects as follows:
1, the corresponding ground tackle developed of the present invention, carbon fiber composite reinforcement and ground tackle can be made to connect to an entirety at ground tackle tail end, because carbon fibre composite is that fragile material cannot pier nose, this process to instead of in conventional steel drag-line zinc-coated wire in the effect of ground tackle rear end pier nose.Traveling crane plays cable body can make the unsettled vertical placement of ground tackle, and making vertically to fill with anchor becomes possibility.
2, the present invention proposes a kind of anchoring process of carbon fibre composite drag-line, filling with anchor relative to level adopts this method that the aggregate deposition direction in anchoring filling agent can be made axially consistent with ground tackle, make the performance of anchoring filling agent in ground tackle cross section even, the modulus gradient change direction of anchoring filling agent is axially consistent with ground tackle simultaneously, in ground tackle front end, basic is pure epoxy resin, aggregate more toward rear end deposition is more, from ground tackle front end to rear end, the modulus of anchoring filling agent becomes large gradually, is conducive to alleviating the peak stress of muscle material in ground tackle inside.
3, the anchoring process of carbon fibre composite drag-line that the present invention proposes can avoid carbon fiber composite reinforcement to produce stress concentration phenomenon and premature failure in ground tackle load-bearing end, thus gives full play to the high strength of carbon fiber composite reinforcement.
Accompanying drawing explanation
Fig. 1 is the structural representation arranging carbon fiber composite reinforcement in the ground tackle in the anchoring process of carbon fibre composite drag-line of the present invention, and in figure, ground tackle front end wire sub-panel does not cover.
Wherein:
Steel bushing 1
Ground tackle front end wire sub-panel 2
Ground tackle rear end first wire sub-panel 3
Ground tackle rear end second wire sub-panel 4
Nut 5
First cavity 6
Carbon fiber composite reinforcement 7
Grout hole 8
Second cavity 9.
Detailed description of the invention
See Fig. 1, the anchoring process of a kind of carbon fibre composite drag-line that the present invention relates to, first the carbon fiber composite reinforcement 7 at carbon fibre composite drag-line two ends is arranged in the ground tackle at two ends, first carry out plasm pouring in plane in the ground tackle of then one end wherein and carry out plasm pouring vertically again, in the ground tackle of the other end, then equally first carry out plasm pouring in plane carry out plasm pouring vertically again.
Wherein the structure of ground tackle is as follows, ground tackle comprises steel bushing 1, ground tackle front end wire sub-panel 2, ground tackle rear end first wire sub-panel 3 and ground tackle rear end second wire sub-panel 4, ground tackle external surface has screw thread, on the screw thread of ground tackle external surface, cover has nut 5, first cavity 6 is there is in steel bushing 1 between ground tackle rear end first wire sub-panel 3 and ground tackle rear end second wire sub-panel 4, first cavity 6 is cylindrical cavity, steel bushing 1 wall between ground tackle rear end first wire sub-panel 3 and ground tackle rear end second wire sub-panel 4 is provided with a grout hole 8, first cavity 6 is long is 30mm ~ 50mm, second cavity 9 is there is in steel bushing 1 between ground tackle front end wire sub-panel 2 and ground tackle rear end first wire sub-panel 3, second cavity 9 is conical cavity.
The concrete grammar that use ground tackle carries out anchoring is as follows:
First carbon fiber composite reinforcement 7 is passed front end wire sub-panel 2, ground tackle rear end first wire sub-panel 3 and ground tackle rear end second wire sub-panel 4, carbon fiber composite reinforcement 7 arrangement mode also can arrange (for parallel arrangement in schematic diagram 1) with the angular dispersed being less than the second cavity 9 tapering in ground tackle by parallel arrangement, after carbon fiber composite reinforcement 7 has been arranged, by ground tackle horizontal positioned, epoxy resin is poured into from grout hole 8, air is also discharged from grout hole 8 simultaneously, until filled by the first cavity 6.(resin solidification is accelerated by being heated to about 70 DEG C) after the epoxy resin cure in the first cavity 6, by the adhesion stress of the first cavity 6 epoxy resin and carbon fiber composite reinforcement 7, frictional force and mechanical snap power carbon fiber composite reinforcement 7 are connected as a single entity with ground tackle, now with driving, carbon fibre composite cable body can be sling, make the unsettled vertical placement of ground tackle, remove front end wire sub-panel 2, in the second cavity 9, epoxy resin mortar is poured into from removing of front end wire sub-panel 2, percussion vibration limit, limit is poured into, the second cavity 9 is not needed to fill completely, be poured into epoxy resin sand Starch Level and ground tackle front end surface difference 15mm ~ 20mm stop, front end wire sub-panel 2 is covered, complete etc. to be solidified, owing to there is gap between epoxy resin sand Starch Level and front end wire sub-panel 2, can avoid producing stress concentration phenomenon at stay cable end.In like manner complete the anchoring of the carbon fibre composite drag-line other end.
Claims (2)
1. the anchoring process of a carbon fibre composite drag-line, it is characterized in that first the carbon fiber composite reinforcement (7) at carbon fibre composite drag-line two ends being arranged in the ground tackle at two ends, first carry out plasm pouring in plane in the ground tackle of then one end wherein and carry out plasm pouring vertically again, then in the ground tackle of the other end, equally first carry out plasm pouring in plane carry out plasm pouring vertically again, described ground tackle comprises steel bushing (1), ground tackle front end wire sub-panel (2), ground tackle rear end first wire sub-panel (3) and ground tackle rear end second wire sub-panel (4), first cavity (6) is there is in steel bushing (1) between ground tackle rear end first wire sub-panel (3) and ground tackle rear end second wire sub-panel (4), steel bushing (1) wall between ground tackle rear end first wire sub-panel (3) and ground tackle rear end second wire sub-panel (4) is provided with a grout hole (8), second cavity (9) is there is in steel bushing (1) between ground tackle front end wire sub-panel (2) and ground tackle rear end first wire sub-panel (3), plasm pouring in plane pours into the first cavity (6), plasm pouring vertically pours into the second cavity (9).
2. the anchoring process of a kind of carbon fibre composite drag-line according to claim 1, it is characterized in that concrete grammar be first by carbon fiber composite reinforcement (7) through front end wire sub-panel (2), ground tackle rear end first wire sub-panel (3) and ground tackle rear end second wire sub-panel (4), after carbon fiber composite reinforcement (7) has been arranged, by ground tackle horizontal positioned, epoxy resin is poured into from grout hole (8), air is also discharged from grout hole (8) simultaneously, until the first cavity (6) is filled, after the epoxy resin cure in the first cavity (6), carbon fibre composite cable body is sling, make the unsettled vertical placement of ground tackle, remove front end wire sub-panel (2), in the second cavity (9), epoxy resin mortar is poured into from removing of front end wire sub-panel (2), percussion vibration limit, limit is poured into, be poured into epoxy resin sand Starch Level and ground tackle front end surface difference 15mm ~ 20mm stop, to be solidified the completing such as front end wire sub-panel (2) to be covered, in like manner complete the anchoring of the carbon fibre composite drag-line other end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410679349.2A CN104372745B (en) | 2014-11-25 | 2014-11-25 | The anchoring process of carbon fibre composite drag-line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410679349.2A CN104372745B (en) | 2014-11-25 | 2014-11-25 | The anchoring process of carbon fibre composite drag-line |
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| Publication Number | Publication Date |
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| CN104372745A CN104372745A (en) | 2015-02-25 |
| CN104372745B true CN104372745B (en) | 2016-02-03 |
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| CN201410679349.2A Active CN104372745B (en) | 2014-11-25 | 2014-11-25 | The anchoring process of carbon fibre composite drag-line |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105421231B (en) * | 2015-12-25 | 2017-03-15 | 招商局重庆交通科研设计院有限公司 | Bridge CFRP muscle Group anchor for inhaul cable anchorages and manufacture craft |
| CN105805432B (en) * | 2016-05-05 | 2018-03-13 | 中国石油天然气集团公司 | A kind of composite enhancing steel conduit and preparation method thereof |
| CN113605239A (en) * | 2021-07-16 | 2021-11-05 | 柳州欧维姆机械股份有限公司 | Prestressed anchoring structure system for bridge pier assembly and bridge pier assembly construction method thereof |
| CN114214937B (en) * | 2021-11-23 | 2023-09-08 | 上海浦江缆索股份有限公司 | Method for improving anchoring uniformity of carbon fiber inhaul cable |
| CN114214936B (en) * | 2021-11-23 | 2023-11-24 | 上海浦江缆索股份有限公司 | Carbon fiber inhaul cable good in anchoring effect and even in stress |
| CN114775910A (en) * | 2022-03-19 | 2022-07-22 | 桂林理工大学 | SFCB (reinforced plastic plate) reinforcement material anchoring device for SFCB concrete member |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200964565Y (en) * | 2006-08-01 | 2007-10-24 | 方志 | Adhesion type anchor for fiber-reinforced plastic dragline |
| CN100494598C (en) * | 2007-07-04 | 2009-06-03 | 湖南大学 | Bond type anchorage and anchoring method for anchoring fibre reinforced plastic reinforcement or bracing cable |
| CN102002911B (en) * | 2010-11-10 | 2012-07-11 | 中交公路规划设计院有限公司 | Carbon fiber cable strand inner sleeve conical bonded anchorage device |
| WO2012140463A1 (en) * | 2011-04-15 | 2012-10-18 | Soletanche Freyssinet | Anchoring device for a multi-tendon cable |
| CN202718291U (en) * | 2012-07-06 | 2013-02-06 | 宁波大学 | Anchorage device with carbon fiber reinforced plastic cable |
| CN102926507B (en) * | 2012-11-14 | 2015-04-01 | 柳州豪姆机械有限公司 | Integral squeezing steel strand anchorage stay rope and manufacturing method thereof |
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Address after: 214434 No. 165 Chengjiang Middle Road, Jiangyin, Wuxi, Jiangsu. Patentee after: FASTEN GROUP CO., LTD. Address before: 214434 No. 165 Chengjiang Middle Road, Jiangyin, Wuxi, Jiangsu. Patentee before: Fasten Group Co., Ltd. |
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