CN112647429A - Box girder with anchoring device and box girder bridge - Google Patents
Box girder with anchoring device and box girder bridge Download PDFInfo
- Publication number
- CN112647429A CN112647429A CN202011538446.1A CN202011538446A CN112647429A CN 112647429 A CN112647429 A CN 112647429A CN 202011538446 A CN202011538446 A CN 202011538446A CN 112647429 A CN112647429 A CN 112647429A
- Authority
- CN
- China
- Prior art keywords
- box girder
- anchor
- concrete
- anchoring
- block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
-
- 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
- E01D19/16—Suspension cables; Cable clamps for suspension cables ; Pre- or post-stressed cables
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a box girder with an anchoring device and a box girder bridge, and relates to the technical field of bridge reinforcement. According to the invention, through the mutual matching of the concrete anchor block, the anchor plate, the stay cable sleeve, the second anchoring mechanism and the reinforcing steel bar, the anchor plate, the stay cable sleeve and the concrete anchor block can form a composite anchoring structure, so that the composite anchoring structure is convenient for the stay cable to be installed on two sides of the box girder body, the effects of convenience in installation of the stay cable in the early stage and convenience in maintenance of the stay cable in the later stage are achieved, and the problem of complexity in building a maintenance platform is avoided.
Description
Technical Field
The invention relates to a box girder and a box girder bridge, relates to the technical field of bridge reinforcement, and particularly relates to a box girder with an anchoring device and a box girder bridge.
Background
The problems of down-warping and box girder cracking generally exist in domestic and foreign prestressed concrete continuous box girder bridges, the traditional reinforcing method only delays the occurrence of bridge diseases and does not fundamentally solve the problems, and a stayed-cable system is adopted to reinforce the box girder bridge at present, so that the system can effectively solve the defects of the span-in down-warping and shear-resisting bearing capacity of a main girder.
But current suspension cable installation and maintenance can only be gone on from the box girder below, and then need set up installation maintenance rack in addition to the construction that overhauls and install is all very loaded down with trivial details, and is very inconvenient, simultaneously along with the box girder bridge bears various loads for a long time after, the support is not shaken in the middle part of the box girder extremely probably, produces the problem of crack easily, and then has the potential safety hazard, for this reason, to the problem among the prior art, need provide box girder and box girder bridge that have anchor device.
Disclosure of Invention
The invention provides a box girder with an anchoring device and a box girder bridge, wherein one purpose is to have the functions of convenient installation of a stay cable and later-stage convenient maintenance, and solve the problems that in the prior art, an installation and maintenance rack needs to be additionally built, and the construction is complicated and inconvenient; the other purpose is to solve the problems that the box girder bridge bears load for a long time and the middle downwarping bearing capacity is insufficient, so that the middle of the box girder is supported and the box girder bridge is prevented from cracking.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a box girder with an anchoring device and a box girder bridge with the same comprise a box girder body, wherein the interior of the box girder body is hollow, a rotating rod is fixedly arranged in the box girder body, the outer wall of the rotating rod is movably connected with a flat plate, both ends of the top of the box girder body are fixedly connected with a concrete block, the top of the concrete block is fixedly connected with a first anchoring mechanism and a second anchoring mechanism, the first anchoring mechanism comprises a concrete anchor block, the bottom end of the concrete anchor block is fixedly connected to the concrete block, the top end of the concrete anchor block is fixedly connected with an anchoring plate, the bottom of the anchoring plate extends into the concrete anchor block and is attached to the top of the concrete block, a notch is formed in the top of the anchoring plate, a pulling plate upper plate is welded at the top of the pulling plate sleeve, and stiffening ribs are arranged on both sides of the pulling plate sleeve, the top of the stiffening rib is fixedly connected with the upper plate of the pulling plate, and the bottom of the box girder body is provided with a pier stud.
The technical scheme of the invention is further improved as follows: the anchor arm-tie is located the inside one end of concrete anchor piece and is provided with the scissors nail, the scissors nail is provided with a plurality of, just be provided with the upper sleeve on the arm-tie hanging wall, upper sleeve and cable sleeve are in coaxial relation.
The technical scheme of the invention is further improved as follows: the bottom fixedly connected with reinforcement of case roof beam body, firm groove has been seted up at the top of pier stud, the reinforcement sets up in firm inslot, just the both sides of reinforcement are run through and are seted up through-hole one, the inner wall both sides in firm groove all are provided with the through-hole two of seting up on the pier stud, the internal diameter value homogeneous phase of through-hole one and through-hole two equals.
The technical scheme of the invention is further improved as follows: the top fixedly connected with stand of pier stud, the stand is provided with two, and one of them the stand runs through the inside that the bottom of case roof beam body extended to the case roof beam body, the top of stand is slope form, just the top of stand contacts with dull and stereotyped bottom one end, dull and stereotyped top other end swing joint has flexible post.
The technical scheme of the invention is further improved as follows: the inner top wall of the box girder body is provided with a contraction groove, the inner bottom wall of the box girder body is provided with a clamping groove, the top end of the telescopic column is fixedly connected inside the contraction groove, the bottom end of the telescopic column is in a slope shape, the bottom end of the telescopic column is provided with a bayonet, and the clamping groove is arranged under the telescopic column.
The technical scheme of the invention is further improved as follows: one side of draw-in groove is provided with the spout, the inside sliding connection of spout has the dop, the one end fixedly connected with spring of dop, the other end fixed connection of spring is in the inboard of spout, just the other end of dop is slope form, the dop card is established in the draw-in groove.
The technical scheme of the invention is further improved as follows: the inside of concrete anchor block is provided with the reinforcing bar, the reinforcing bar extends to the inside of concrete block, the concrete anchor block passes through reinforcing bar and concrete block fixed connection, just the part of anchor mechanism two all is the same with the part of anchor mechanism one.
The technical scheme of the invention is further improved as follows: the first anchoring mechanism is arranged at the front end of the top of the concrete block, the second anchoring mechanism is arranged at the rear end of the top of the concrete block, and the first anchoring mechanism and the second anchoring mechanism are in a diagonal relation.
The technical scheme of the invention is further improved as follows: the rotating rod and the flat plate are both provided with two plates, and the two flat plates are in a symmetrical state by using the central shaft of the box girder body.
The technical scheme of the invention is further improved as follows: the flat plate is in an inverted trapezoid shape, and the telescopic columns, the contraction grooves and the clamping grooves are all provided with a plurality of parts.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the technical progress that:
1. the invention provides a box girder with an anchoring device and a box girder bridge, wherein a composite anchoring structure can be formed by matching a concrete anchor block, an anchor plate, a guy cable sleeve, an anchoring mechanism II and a reinforcing steel bar, so that the composite anchoring structure is convenient for mounting a stay cable at two sides of a box girder body, the effects of convenient mounting of the stay cable at the early stage and convenient maintenance of the stay cable at the later stage are achieved, the problem of complicated building of a maintenance platform is avoided, and the landscape effect is good after the stay cable is mounted by adopting the design of the anchoring mechanism I and the anchoring mechanism II.
2. The invention provides a box girder with an anchoring device and a box girder bridge, wherein a flat plate, an upright post, a telescopic post, a clamping groove and a clamping head are mutually matched, so that after the upright post is inserted into a box girder body, the other end of the flat plate can be in a sinking state under the action of the upright post, and further the bottom end of the telescopic post can be clamped on the clamping head by sinking of the flat plate, the effect of supporting the middle part of the box girder body after the telescopic post is stabilized is achieved, and the problem of insufficient downwarping bearing capacity in the middle part of the box girder body is avoided.
3. The invention provides a box girder with an anchoring device and a box girder bridge, wherein a reinforcing member, a stabilizing groove, a first through hole and a second through hole are matched with each other, so that the first through hole and the second through hole can be communicated after the reinforcing member is placed in the stabilizing groove, a constructor can conveniently reinforce the through holes, the effect that the box girder body is firmer after being connected with a pier stud is achieved, and the problem that the box girder body bears load and deviates is avoided.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic side sectional view of the present invention;
FIG. 4 is a schematic structural view of the anchoring mechanism of the present invention;
FIG. 5 is a schematic view of an unused configuration of the flat panel of the present invention;
FIG. 6 is a schematic view of the flat panel of the present invention after use;
FIG. 7 is an enlarged view of the structure at the point A of the present invention;
FIG. 8 is a schematic view of a rebar structure of the present invention;
FIG. 9 is a schematic top view of a concrete block according to the present invention;
FIG. 10 is a schematic top view of a flat panel according to the present invention.
In the figure: 1. a box girder body; 2. a rotating rod; 3. a flat plate; 4. a concrete block;
5. a first anchoring mechanism; 51. a concrete anchor block; 52. an anchor plate; 53. a notch; 54. a cable sleeve; 55. pulling a plate and feeding the plate; 56. a stiffening rib; 57. a scissor nail; 58. an upper sleeve; 59. reinforcing steel bars;
6. a second anchoring mechanism; 7. pier studs; 8. a reinforcement; 9. a stabilizing groove; 10. a first through hole; 11. a second through hole; 12. a column; 13. a telescopic column; 14. a contraction groove; 15. a bayonet; 16. a card slot; 17. a chute; 18. clamping a head; 19. a spring.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
example 1
As shown in fig. 1-10, the invention provides a box girder with an anchoring device and a box girder bridge, comprising a box girder body 1, wherein the box girder body 1 is hollow, a rotating rod 2 is fixedly arranged in the box girder body 1, a flat plate 3 is movably connected to the outer wall of the rotating rod 2, concrete blocks 4 are fixedly connected to both ends of the top of the box girder body 1, an anchoring mechanism I5 and an anchoring mechanism II 6 are fixedly connected to the top of each concrete block 4, the anchoring mechanism I5 comprises a concrete anchor block 51, the bottom end of the concrete anchor block 51 is fixedly connected to the concrete block 4, an anchor plate 52 is fixedly connected to the top end of the concrete anchor block 51, the bottom of the anchor plate 52 extends into the concrete anchor block 51 and is attached to the top of the concrete block 4, a slot 53 is formed in the top of the anchor plate 52, a guy cable sleeve 54 is arranged in the slot 53, a guy cable 55 is welded to the top of the sleeve 54, and the both sides of cable sleeve 54 all are provided with stiffening rib 56, and the top and the arm-tie hanging wall 55 fixed connection of stiffening rib 56, and the bottom of case roof beam body 1 is provided with pier 7, and the anchor arm-tie 52 is located the inside one end of concrete anchor block 51 and is provided with scissors nail 57, and scissors nail 57 is provided with a plurality ofly, and is provided with upper sleeve 58 on the arm-tie hanging wall 55, and upper sleeve 58 is in coaxial relation with cable sleeve 54.
In this embodiment, can form compound anchor structure through anchor plate 52, cable sleeve 54 and the cooperation of concrete anchor block 51, and then compound anchor structure be convenient for the stay cable install in the both sides of box girder body 1, reach the effect that earlier stage stay cable is convenient for install and later stage stay cable easy access, avoided building the loaded down with trivial details problem of maintenance platform.
Example 2
As shown in fig. 1-3, on the basis of embodiment 1, the present invention provides a technical solution: preferably, bottom fixedly connected with reinforcement 8 of case roof beam body 1, firm groove 9 has been seted up at pier stud 7's top, reinforcement 8 sets up in firm groove 9, and reinforcement 8's both sides are run through and have been seted up through-hole 10, firm groove 9's inner wall both sides all are provided with two 11 through-holes of seting up on pier stud 7, the internal diameter value homogeneous phase of through-hole 10 and two 11 through-holes equals, its main effect is that reinforcement 8 places behind the inside of firm groove 9, through-hole 10 and two 11 through-holes can communicate with each other, and then be convenient for constructor consolidates the through-hole, reach more firm effect after case roof beam body 1 and the connection of pier stud 7.
Example 3
As shown in fig. 1, 3, 5, 6 and 7, the present invention provides a technical solution based on embodiment 1: preferably, the top of the pier stud 7 is fixedly connected with two upright posts 12, the upright posts 12 are provided, one upright post 12 penetrates through the bottom of the box girder body 1 and extends to the inside of the box girder body 1, the top end of the upright post 12 is in a slope shape, the top end of the upright post 12 is in contact with one end of the bottom of the flat plate 3, the other end of the top of the flat plate 3 is movably connected with a telescopic post 13, the inner top wall of the box girder body 1 is provided with a contraction groove 14, the inner bottom wall of the box girder body 1 is provided with a clamping groove 16, the top end of the telescopic post 13 is fixedly connected inside the contraction groove 14, the bottom end of the telescopic post 13 is in a slope shape, the bottom end of the telescopic post 13 is provided with a bayonet 15, the clamping groove 16 is arranged under the telescopic post 13, one side of the clamping groove 16 is provided with a sliding groove 17, the inside of the sliding groove 17 is slidably, and the other end of dop 18 is slope form, dop 18 card is established in bayonet 15, its main effect is that stand 12 inserts the inside back of case roof beam body 1, dull and stereotyped 3 can lead to the other end state that sinks to appear because of the effect of stand 12, and then the one end of dull and stereotyped 3 sinks and to make the bottom card of flexible post 13 establish on dop 18, reach the effect that supports case roof beam body 1 middle part after flexible post 13 stabilizes, avoid the problem that the downwarping bearing capacity is not enough to appear in case roof beam body 1 middle part.
Example 4
As shown in fig. 1, 2, 4, 8 and 9, the present invention provides a technical solution based on embodiment 1: preferably, the inside of concrete anchor block 51 is provided with reinforcing bar 59, reinforcing bar 59 extends to the inside of concrete block 4, concrete anchor block 51 passes through reinforcing bar 59 and concrete block 4 fixed connection, and the part of anchor mechanism two 6 all is the same with the part of anchor mechanism one 5, anchor mechanism one 5 sets up the front end at concrete block 4 top, anchor mechanism two 6 sets up the rear end at concrete block 4 top, and anchor mechanism one 5 and anchor mechanism two 6 are in diagonal relation, its main effect is that the design of reinforcing bar 59 does benefit to the fixed of concrete anchor block 51, and then the effect that the suspension cable carries out the reinforcement to the box girder bridge of being convenient for, the position design of anchor mechanism two 6 of anchor mechanism one 5 does benefit to the better effect of landscape effect after the suspension cable installation simultaneously.
Example 5
As shown in fig. 1, 3, 5, 6 and 10, the present invention provides a technical solution based on embodiment 1: preferably, bull stick 2 and dull and stereotyped 3 all are provided with two, and two dull and stereotyped 3 use the center pin of case roof beam body 1 as the symmetric state, and dull and stereotyped 3 is for falling trapezoidal form, and flexible post 13, shrink groove 14 and draw-in groove 16 all are provided with a plurality of, and its main effect is the design of a plurality of flexible posts 13, does benefit to 1 middle part of case roof beam body more and supports stable effect to avoid the problem of warping down in the middle part of case roof beam body 1.
The working principle of the box girder and the box girder bridge with the anchoring device will be described in detail below.
As shown in fig. 1-10, the anchor plate 52 and the stay cable sleeve 54 can be matched with the concrete anchor block 51 to form a composite anchoring structure, and then the stay cables installed in the later period can be arranged on two sides of the box girder body 1 by the composite anchoring structure, so that the installation of the stay cables in the earlier period and the maintenance of the stay cables in the later period are facilitated, the construction is convenient, and the landscape effect is good after the stay cables in the later period are installed by utilizing the matching of the first anchoring mechanism 5 and the second anchoring mechanism 6;
as shown in fig. 1-10, after the reinforcing member 8 at the bottom of the box girder body 1 is placed in the stabilizing groove 9, the first through hole 10 and the second through hole 11 can be communicated, so that a constructor can place reinforcing ribs in the through holes, and then pour concrete after the reinforcing ribs are placed and fixed, so that the box girder body 1 is more firmly connected with the pier stud 7;
as shown in fig. 1-10, when box girder body 1 is placed on pier stud 7, upright 12 can be inserted into box girder body 1, and then the insertion of upright 12 makes one end of flat plate 3 sink, when flat plate 3 sinks, telescopic column 13 can be driven to move, when telescopic column 13 moves back bottom contact dop 18, dop 18 can retract through chute 17, and then when telescopic column 13 continues to move down, dop 18 can be blocked in bayonet 15 because of the effect of spring 19, telescopic column 13 can stabilize in box girder body 1's inside after bayonet 15 is blocked, and then a plurality of telescopic column 13 can support the interior middle part of box girder body 1, avoid the middle part of box girder body 1 to lead to the problem of crack because of weight.
The present invention has been described in general terms in the foregoing, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Therefore, modifications or improvements are within the scope of the invention without departing from the spirit of the inventive concept.
Claims (10)
1. The utility model provides a box girder and box girder bridge with anchor, includes box girder body (1), the inside of box girder body (1) is hollow form, its characterized in that: the box girder comprises a box girder body (1), wherein a rotating rod (2) is fixedly arranged in the box girder body (1), a flat plate (3) is movably connected to the outer wall of the rotating rod (2), concrete blocks (4) are fixedly connected to two ends of the top of the box girder body (1), a first anchoring mechanism (5) and a second anchoring mechanism (6) are fixedly connected to the top of each concrete block (4), the first anchoring mechanism (5) comprises a concrete anchor block (51), the bottom end of each concrete anchor block (51) is fixedly connected to the corresponding concrete block (4), an anchor pulling plate (52) is fixedly connected to the top end of each concrete anchor block (51), the bottom of each anchor pulling plate (52) extends into the corresponding concrete anchor block (51) and is attached to the top of the corresponding concrete block (4), a notch (53) is formed in the top of each anchor pulling plate (52), a pull cable sleeve (54) is arranged in the notch (53), the top welding of cable sleeve (54) has arm-tie hanging wall (55), just the both sides of cable sleeve (54) all are provided with stiffening rib (56), the top and the arm-tie hanging wall (55) fixed connection of stiffening rib (56), just the bottom of case roof beam body (1) is provided with pier stud (7).
2. The box girder and box girder bridge with anchoring device according to claim 1, wherein: the anchor pulling plate is characterized in that a shear nail (57) is arranged at one end, located inside a concrete anchor block (51), of the anchor pulling plate (52), a plurality of shear nails are arranged on the shear nails (57), an upper sleeve (58) is arranged on the pulling plate upper disc (55), and the upper sleeve (58) and the inhaul cable sleeve (54) are in a coaxial relation.
3. The box girder and box girder bridge with anchoring device according to claim 1, wherein: the bottom fixedly connected with reinforcement (8) of case roof beam body (1), firm groove (9) have been seted up at the top of pier stud (7), reinforcement (8) set up in firm groove (9), just the both sides of reinforcement (8) are run through and have been seted up through-hole one (10), the inner wall both sides of firm groove (9) all are provided with two (11) of through-hole of seting up on pier stud (7), the internal diameter value homogeneous phase of through-hole one (10) and two (11) of through-hole equals.
4. The box girder and box girder bridge with anchoring device according to claim 1, wherein: the top fixedly connected with stand (12) of pier stud (7), stand (12) are provided with two, and one of them stand (12) run through the inside that the bottom of case roof beam body (1) extended to case roof beam body (1), the top of stand (12) is slope form, just the top of stand (12) contacts with the bottom one end of dull and stereotyped (3), the top other end swing joint of dull and stereotyped (3) has flexible post (13).
5. A box girder and a box girder bridge with anchoring devices according to any one of claims 1 or 4, wherein: shrink groove (14) have been seted up to the interior roof wall of case roof beam body (1), draw-in groove (16) have been seted up to the interior bottom wall of case roof beam body (1), the top fixed connection of flexible post (13) is in the inside of shrink groove (14), just the bottom of flexible post (13) is slope form, bayonet socket (15) have been seted up to the bottom of flexible post (13), draw-in groove (16) set up under flexible post (13).
6. A box girder and a box girder bridge with anchoring devices according to claim 5, wherein: one side of draw-in groove (16) is provided with spout (17), the inside sliding connection of spout (17) has dop (18), the one end fixedly connected with spring (19) of dop (18), the other end fixed connection of spring (19) is in the inboard of spout (17), just the other end of dop (18) is slope form, dop (18) card is established in bayonet socket (15).
7. The box girder and box girder bridge with anchoring device according to claim 1, wherein: the inside of concrete anchor block (51) is provided with reinforcing bar (59), reinforcing bar (59) extend to the inside of concrete block (4), concrete anchor block (51) are through reinforcing bar (59) and concrete block (4) fixed connection, just the part of anchor mechanism two (6) all is the same with the part of anchor mechanism one (5).
8. The box girder and box girder bridge with anchoring device according to claim 1, wherein: the first anchoring mechanism (5) is arranged at the front end of the top of the concrete block (4), the second anchoring mechanism (6) is arranged at the rear end of the top of the concrete block (4), and the first anchoring mechanism (5) and the second anchoring mechanism (6) are in a diagonal relation.
9. The box girder and box girder bridge with anchoring device according to claim 1, wherein: the rotating rod (2) and the flat plate (3) are both provided with two plates, and the flat plate (3) is in a symmetrical state by taking the central shaft of the box girder body (1).
10. A box girder and a box girder bridge with anchoring devices according to any one of claims 1 or 5, wherein: the flat plate (3) is in an inverted trapezoid shape, and the telescopic columns (13), the contraction grooves (14) and the clamping grooves (16) are all provided with a plurality of parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011538446.1A CN112647429B (en) | 2020-12-23 | 2020-12-23 | Box girder with anchoring device and box girder bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011538446.1A CN112647429B (en) | 2020-12-23 | 2020-12-23 | Box girder with anchoring device and box girder bridge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112647429A true CN112647429A (en) | 2021-04-13 |
| CN112647429B CN112647429B (en) | 2022-07-26 |
Family
ID=75359464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011538446.1A Active CN112647429B (en) | 2020-12-23 | 2020-12-23 | Box girder with anchoring device and box girder bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112647429B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113136790A (en) * | 2021-05-06 | 2021-07-20 | 中国地震局工程力学研究所 | Three-section type box girder anti-falling device |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61211555A (en) * | 1985-03-05 | 1986-09-19 | フオーアシユパン‐テヒニク ゲゼルシヤフト エム・ベー・ハー | Fixing means for tension member and assembly method thereof |
| AU2003237959A1 (en) * | 2003-06-02 | 2005-01-21 | Freyssinet | Method for anchoring parallel wire cables |
| CN101451345A (en) * | 2007-11-30 | 2009-06-10 | 同济大学 | Herringbone diagonal brace anchoring structure of concrete main beam |
| CN102400441A (en) * | 2011-11-29 | 2012-04-04 | 中铁三局集团有限公司 | Method for installing and using cable-stayed bridge reinforced concrete cable tower prestressed system |
| CN203559354U (en) * | 2013-11-06 | 2014-04-23 | 中铁第一勘察设计院集团有限公司 | Stay cable anchoring structure applied to prestressed concrete partially cable-stayed bridge |
| CN104619916A (en) * | 2012-04-05 | 2015-05-13 | 索列丹斯-弗莱西奈公司 | Seal for cable anchor device of a cable construction |
| CN205100118U (en) * | 2015-11-19 | 2016-03-23 | 曾辰 | Public road bridge heel post for roof beam |
| CN105887680A (en) * | 2016-06-02 | 2016-08-24 | 中铁第四勘察设计院集团有限公司 | Mixed cable-girder anchorage structure |
| KR20170079387A (en) * | 2015-12-30 | 2017-07-10 | 주식회사 포스코건설 | Web penetration type cable anchor structure |
| CN208717761U (en) * | 2018-08-24 | 2019-04-09 | 段志刚 | A kind of road and bridge crack bracing means |
| CN209162661U (en) * | 2018-08-08 | 2019-07-26 | 河南万里交通科技集团股份有限公司 | A kind of bridge strengthening device |
| CN111827146A (en) * | 2020-08-11 | 2020-10-27 | 沈徐彬 | Main longitudinal beam reinforced structure for bridge construction |
-
2020
- 2020-12-23 CN CN202011538446.1A patent/CN112647429B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61211555A (en) * | 1985-03-05 | 1986-09-19 | フオーアシユパン‐テヒニク ゲゼルシヤフト エム・ベー・ハー | Fixing means for tension member and assembly method thereof |
| AU2003237959A1 (en) * | 2003-06-02 | 2005-01-21 | Freyssinet | Method for anchoring parallel wire cables |
| CN101451345A (en) * | 2007-11-30 | 2009-06-10 | 同济大学 | Herringbone diagonal brace anchoring structure of concrete main beam |
| CN102400441A (en) * | 2011-11-29 | 2012-04-04 | 中铁三局集团有限公司 | Method for installing and using cable-stayed bridge reinforced concrete cable tower prestressed system |
| CN104619916A (en) * | 2012-04-05 | 2015-05-13 | 索列丹斯-弗莱西奈公司 | Seal for cable anchor device of a cable construction |
| CN203559354U (en) * | 2013-11-06 | 2014-04-23 | 中铁第一勘察设计院集团有限公司 | Stay cable anchoring structure applied to prestressed concrete partially cable-stayed bridge |
| CN205100118U (en) * | 2015-11-19 | 2016-03-23 | 曾辰 | Public road bridge heel post for roof beam |
| KR20170079387A (en) * | 2015-12-30 | 2017-07-10 | 주식회사 포스코건설 | Web penetration type cable anchor structure |
| CN105887680A (en) * | 2016-06-02 | 2016-08-24 | 中铁第四勘察设计院集团有限公司 | Mixed cable-girder anchorage structure |
| CN209162661U (en) * | 2018-08-08 | 2019-07-26 | 河南万里交通科技集团股份有限公司 | A kind of bridge strengthening device |
| CN208717761U (en) * | 2018-08-24 | 2019-04-09 | 段志刚 | A kind of road and bridge crack bracing means |
| CN111827146A (en) * | 2020-08-11 | 2020-10-27 | 沈徐彬 | Main longitudinal beam reinforced structure for bridge construction |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113136790A (en) * | 2021-05-06 | 2021-07-20 | 中国地震局工程力学研究所 | Three-section type box girder anti-falling device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112647429B (en) | 2022-07-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106638314A (en) | Pylon cross beam non-floor stand and pylon cross beam construction method | |
| CN112647429B (en) | Box girder with anchoring device and box girder bridge | |
| CN106958233B (en) | For pouring the hydraulic self-lifting formula cantilever form construction method of Arch Dam Concrete | |
| CN209924434U (en) | High-altitude overhanging formwork support frame body | |
| CN218438659U (en) | Iron art railing assembled enclosure and lifting device thereof | |
| CN114182966B (en) | Cantilever type unloading platform girder | |
| CN113565322B (en) | Cantilever formwork supporting structure and erection method | |
| CN210946527U (en) | Composite assembling type bridge cantilever construction bracket | |
| CN210395113U (en) | Bridge erecting machine | |
| CN210658057U (en) | Hanging basket suspension casting system for box girder | |
| CN210482069U (en) | Supporting structure for construction of steel-concrete combined beam bridge deck | |
| CN210289183U (en) | Auxiliary device for mounting beam steel bars | |
| CN113006529A (en) | Back-jacking supporting structure and construction method thereof | |
| CN112593527A (en) | Hydraulic engineering cantilever ecological hydraulic retaining wall structure | |
| CN206127895U (en) | Cable tower crossbeam does not have floor stand and cable tower crossbeam construction system | |
| CN205224571U (en) | Anchor of builder's jack | |
| CN217870012U (en) | Movable pouring platform for concrete column pouring | |
| CN217734874U (en) | Fast and easy closing net for concrete strip construction | |
| CN215331671U (en) | Back supporting structure | |
| CN220767742U (en) | Accurate positioning device for embedded part of guy rope hanging basket thrust block | |
| CN209907220U (en) | Connecting structure of large-span front supporting point guy cable hanging basket and template | |
| CN219930694U (en) | Assembled bracing structure | |
| CN217924847U (en) | Post-cast strip template supporting structure | |
| CN212773377U (en) | High-rise suspended component pouring support system | |
| CN110184947B (en) | Box girder hanging basket suspension casting system and construction method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |