CN201395769Y - Tie bar arch type bracket used for building bridge pylon concrete upper cross beam - Google Patents
Tie bar arch type bracket used for building bridge pylon concrete upper cross beam Download PDFInfo
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- CN201395769Y CN201395769Y CN2009200811754U CN200920081175U CN201395769Y CN 201395769 Y CN201395769 Y CN 201395769Y CN 2009200811754 U CN2009200811754 U CN 2009200811754U CN 200920081175 U CN200920081175 U CN 200920081175U CN 201395769 Y CN201395769 Y CN 201395769Y
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- arch
- bridge
- cribbing
- tied arch
- fixed
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Abstract
The utility model belongs to the technical field of bridge pylon construction, and particularly relates to a tie bar arch type bracket used for building a bridge pylon concrete upper cross beam. The tie bar arch type bracket used for building a bridge pylon concrete upper cross beam comprises a tie bar arch bracket and a spandrel platform; the tie bar arch bracket is propped on a steel corbel; thesteel corbel is fixed on a bridge pylon; and the spandrel platform is fixed at the upper part of the tie bar arch bracket. The utility model has the advantages of reasonable design, simple structure,light weight, short construction period and high work efficiency and is economical and safe when serving as the bracket to build a bridge pylon upper cross beam of large-span cable stayed bridges andsuspension bridges.
Description
Technical field:
The invention belongs to bridge Sarasota technical field of construction, particularly be the tied arch cribbing that a kind of Sarasota concrete top rail that constructs a bridge is used.
Background technology:
At present, build cable stayed bridge, Suspension Bridge Tower concrete top rail, all adopt full hall cribbing or beam type support.And along with the continuous progress of bridge design, construction level, bridge span directly continues to increase, and the Sarasota of cable stayed bridge, suspension bridge constantly increases, and the upper and lower crossbeam clear distance of Sarasota is more than 50m, and is even higher.With the full hall cribbing concrete top rail that constructs a bridge, though comparatively ripe experience is arranged, but still have some problems, mainly show: (1) operating efficiency is low; (2) consumption steel quantity is big; (3) security risk is big.Build Sarasota concrete top rail with the beam type support, the subject matter of existence is: the moment of flexure that the beam type support bears is bigger, needs to increase the section area of beam type support, and consumptive material is many, and is uneconomical, and has bigger security risk.Traditional full hall cribbing and beam type support more and more are difficult to solve better the construction problem that having on the Sarasota striden the concrete top rail in footpath more greatly.
The utility model content:
The purpose of this utility model is for overcoming the problem of above-mentioned existence, the tied arch cribbing that provides a kind of Sarasota concrete top rail that constructs a bridge to use.
The technical solution of the utility model is achieved in that
The tied arch cribbing that the Sarasota concrete top rail that constructs a bridge of the present utility model is used comprises tied arch support and arch upper mounting plate, and the tied arch stent support is on steel corbel, and steel corbel fixedly on the bridge king-post, encircles the top that upper mounting plate is fixed on the tied arch support.
Off-load sand tube is arranged on the above-mentioned steel corbel, and the tied arch stent support is on off-load sand tube.
There is gad to hold out against between top, tied arch support lower end side and the bridge king-post of above-mentioned off-load sand tube.
Above-mentioned tied arch support is made up of arch rib, tie-rod, spandrel column, girder and suspension rod, the arch rib two ends are connected with the tie-rod two ends respectively and are supported on the off-load sand tube, spandrel column one end is connected with arch rib, the other end is connected with girder, one end of suspension rod is fixed on the arch rib, and the other end is fixed on the tie-rod.
The arch rib of above-mentioned tied arch cribbing has four at least, and arch rib is fixed by horizontal-associate steel pipe and flange each other.
In the above-mentioned tie-rod prestressed reinforcement is arranged, prestressed reinforcement of tensioning and being anchored at ground tackle on the inwall of bridge king-post before top rail concrete cast.
Above-mentioned arch upper mounting plate is made up of distribution beam, soffit formwork, checkered steel plate, security guardrail and safety net, distribution beam is fixed on the end face of the girder of tied arch support, soffit formwork is fixed on the end face of distribution beam, checkered steel plate is fixed on the end face of distribution beam, in the both sides of soffit formwork, security guardrail be fixed on the distribution beam two ends the side, safety net is fixed on the security guardrail.The operator arch on the upper mounting plate security guardrail and safety net in the Sarasota concrete top rail that constructs a bridge just fool proof.
Introduce the use of the tied arch cribbing that the Sarasota concrete top rail that constructs a bridge of the present utility model uses below again:
(1) building of tied arch cribbing: earlier with on the off-load sand tube of tower crane lifting a slice tied arch support to the steel corbel, this sheet tied arch support is fixed on the stiff skeleton of the king-post that is higher than the top rail end face with interim wind resistance rope, lift by crane remaining tied arch rack plate more successively, and two adjacent tied arch rack plates are connected and fixed by horizontal-associate steel pipe and flange, after waiting to finish the assembly unit of all tied arch rack plates, remove interim wind resistance rope, at tied arch support top mounting arch upper mounting plate, promptly finished the installation of whole tied arch cribbing again.The duct of reserving when constructing by king-post penetrates prestressed reinforcement in tie-rod, tied arch cribbing and king-post are held out against prestressed reinforcement of tensioning and it is anchored on the inwall of king-post with ground tackle before the top rail concrete is built with gad.
(2) on assembled tied arch cribbing, install the inside and outside template that the crossbeam concrete is poured into a mould usefulness, assembling reinforcement, prestressed pipeline and prestressing tendon, cast top rail concrete.
(3) dismounting of tied arch cribbing: after finishing whole top rail concrete casting and constructing and concrete and reaching design strength, shed off-load sand tube, carry out the dismounting of tied arch cribbing.
Through above three steps, the tied arch cribbing that the Sarasota concrete top rail that constructs a bridge is used is its function of round Realization.
The tied arch cribbing that the Sarasota concrete top rail that constructs a bridge of the present utility model is used is reasonable in design, simple in structure, in light weight, the duration is short, work efficiency is high, stride the support that concrete top rail is directly constructed, not only economy but also safety more greatly as having on the high Sarasota of long span stayed-cable bridge, suspension bridge.
Description of drawings:
Fig. 1 is the front view of the tied arch cribbing used of the Sarasota concrete top rail that constructs a bridge of the present utility model.
Fig. 2 is the vertical view of the tied arch cribbing used of the Sarasota concrete top rail that constructs a bridge of the present utility model.
Fig. 3 is one of A-A sectional view of tied arch cribbing Fig. 1 of using of the Sarasota concrete top rail that constructs a bridge of the present utility model.
Fig. 4 be the tied arch cribbing used of the Sarasota concrete top rail that constructs a bridge of the present utility model Fig. 1 the A-A sectional view two.
Fig. 5 is the user mode reference diagram of the tied arch cribbing used of the Sarasota concrete top rail that constructs a bridge of the present utility model.
The specific embodiment:
Embodiment 1:
Shown in Fig. 1,2,3,5, the tied arch cribbing that the Sarasota concrete top rail that constructs a bridge of the present utility model is used comprises tied arch support 1 and arch upper mounting plate 2, and tied arch support 1 is supported on the steel corbel 3, fixedly on the bridge king-post 4, arch upper mounting plate 2 is fixed on the top of tied arch support 1 to steel corbel 3.
Off-load sand tube 5 is arranged on the above-mentioned steel corbel 3, and tied arch support 1 is supported on the off-load sand tube 5.
Between top, tied arch support 1 and the bridge king-post 4 of above-mentioned off-load sand tube 5 gad 6 is arranged, have gad 6 to hold out against between tied arch support 1 lower end side and the bridge king-post 4.
Above-mentioned tied arch support 1 is made up of arch rib 7, tie-rod 8, spandrel column 9, girder 10 and suspension rod 11, arch rib 7 two ends are connected with tie-rod 8 two ends respectively and are supported on the off-load sand tube 5, one end of spandrel column 9 is connected with arch rib 7, the other end is connected with girder 10, one end of suspension rod 11 is fixed on the arch rib 7, and the other end is fixed on the tie-rod 8.
The arch rib 7 of above-mentioned tied arch cribbing 1 has four, and arch rib 7 is fixing by horizontal-associate steel pipe 12 and flange 13 each other.
In the above-mentioned tie-rod 8 prestressed reinforcement 14 is arranged, prestressed reinforcement of tensioning 14 before top rail 15 concretes cast, and with ground tackle 16 prestressed reinforcement 14 is anchored on the inwall 17 of bridge king-post 4.
Above-mentioned arch upper mounting plate 2 is made up of distribution beam 18, soffit formwork 19, checkered steel plate 20, security guardrail 21 and safety net 22, distribution beam 18 is fixed on the end face of the girder 10 of tied arch support 1, soffit formwork 19 is fixed on the end face of distribution beam 18, checkered steel plate 20 is fixed on the end face of distribution beam 18, in the both sides of soffit formwork 19, security guardrail 20 be fixed on distribution beam 18 two ends the side, safety net 22 is fixed on the security guardrail 21.The operator arch on the upper mounting plate 2 security guardrail 21 and safety net 22 in the Sarasota concrete top rail that constructs a bridge just fool proof.
Introduce the use of the tied arch cribbing that the Sarasota concrete top rail that constructs a bridge of the present utility model uses below again:
(1) building of tied arch cribbing: earlier with on the off-load sand tube 5 of tower crane lifting a slice tied arch support 1 to the steel corbel 3, the interim wind resistance rope of this sheet tied arch support 1 usefulness is fixed on the stiff skeleton of the king-post 4 on the top rail 15, lift by crane remaining tied arch support 1 more successively, and two adjacent tied arch supports 1 are connected and fixed by horizontal-associate steel pipe 12 and flange 13, after waiting to finish the assembly unit of all tied arch supports 1, remove interim wind resistance rope, at tied arch support 1 top mounting arch upper mounting plate 2, promptly finished the installation of whole tied arch cribbing again.The duct of reserving during by king-post 4 construction penetrates prestressed reinforcement 14 in tie-rod 8, tied arch cribbing and king-post 4 are held out against prestressed reinforcement of tensioning 14 and it is anchored on the inwall 17 of king-post 4 with ground tackle 16 before top rail 15 concretes are built with gad 6.
(2) on assembled tied arch cribbing, install the inside and outside template that crossbeam 15 concretes are poured into a mould usefulness, assembling reinforcement, prestressed pipeline and prestressing tendon, the concrete of cast top rail 15.
(3) dismounting of tied arch cribbing: after finishing whole top rail concrete 15 casting and constructings and concrete and reaching design strength, shed off-load sand tube 5, carry out the dismounting of tied arch cribbing.
Through above three steps, the tied arch cribbing that the Sarasota concrete top rail that constructs a bridge is used is its function of round Realization.
Embodiment 2:
Shown in Fig. 1,2,4,5, the tied arch cribbing that the Sarasota concrete top rail that constructs a bridge of the present utility model is used, except that the arch rib 7 of tied arch cribbing 1 has six, all the other are all identical with embodiment 1.
Claims (7)
1, the tied arch cribbing used of a kind of Sarasota concrete top rail that constructs a bridge, comprise tied arch support (1) and arch upper mounting plate (2), it is characterized in that tied arch support (1) is supported on the steel corbel (3), fixedly on the bridge king-post (4), arch upper mounting plate (2) is fixed on the top of tied arch support (1) to steel corbel (3).
2, the tied arch cribbing used of the Sarasota concrete top rail that constructs a bridge according to claim 1 is characterized in that off-load sand tube (5) is arranged on the steel corbel (3), and tied arch support (1) is supported on the off-load sand tube (5).
3, the tied arch cribbing used of the Sarasota concrete top rail that constructs a bridge according to claim 2 is characterized in that between top, tied arch support (1) and the bridge king-post (4) at off-load sand tube (5) gad (6) being arranged.
4, the tied arch cribbing of using according to claim 1 or the 2 or 3 described Sarasota concrete top rails that construct a bridge, it is characterized in that tied arch support (1) is made up of arch rib (7), tie-rod (8), spandrel column (9), girder (10) and suspension rod (11), arch rib (7) two ends are connected with tie-rod (8) two ends respectively and are supported on the off-load sand tube (5), spandrel column (9) one ends are connected with arch rib (7), the other end is connected with girder (10), one end of suspension rod (11) is fixed on the arch rib (7), and the other end is fixed on the tie-rod (8).
5, the tied arch cribbing used of the Sarasota concrete top rail that constructs a bridge according to claim 4 is characterized in that the arch rib (7) of tied arch cribbing (1) has four at least, and arch rib (7) is fixed by horizontal-associate steel pipe (12) and flange (13) each other.
6, the tied arch cribbing used of the Sarasota concrete top rail that constructs a bridge according to claim 4 is characterized in that prestressed reinforcement (14) is arranged in the tie-rod (8), and prestressed reinforcement (14) is anchored on the inwall (17) of bridge king-post (4) with ground tackle (16).
7, the tied arch cribbing that the Sarasota concrete top rail that constructs a bridge according to claim 1 is used, it is characterized in that encircleing upper mounting plate (2) by distribution beam (18), soffit formwork (19), checkered steel plate (20), security guardrail (21) and safety net (22) are formed, distribution beam (18) is fixed on the end face of the girder (10) of tied arch support (1), soffit formwork (19) is fixed on the end face of distribution beam (18), checkered steel plate (20) is fixed on the end face of distribution beam (18), both sides in soffit formwork (19), security guardrail (21) is fixed on distribution beam (18) side faces at both ends, and safety net (22) is fixed on the security guardrail (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200811754U CN201395769Y (en) | 2009-05-27 | 2009-05-27 | Tie bar arch type bracket used for building bridge pylon concrete upper cross beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200811754U CN201395769Y (en) | 2009-05-27 | 2009-05-27 | Tie bar arch type bracket used for building bridge pylon concrete upper cross beam |
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| CN201395769Y true CN201395769Y (en) | 2010-02-03 |
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| CN2009200811754U Expired - Lifetime CN201395769Y (en) | 2009-05-27 | 2009-05-27 | Tie bar arch type bracket used for building bridge pylon concrete upper cross beam |
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| CN (1) | CN201395769Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103352428A (en) * | 2013-07-06 | 2013-10-16 | 中交路桥建设有限公司 | Suspension bridge cable bent tower beam non-support construction method |
| CN103711081A (en) * | 2013-12-26 | 2014-04-09 | 中国一冶集团有限公司 | Method for locating position of flange on upper end opening of skewback through coordinate correction method |
| CN103898836A (en) * | 2014-03-03 | 2014-07-02 | 中铁港航局集团有限公司 | Method for construction of high upper beam steel oblique leg prestress support of H-shaped cable bent tower of cable-stayed bridge |
| CN106522108A (en) * | 2016-12-28 | 2017-03-22 | 中铁十四局集团第二工程有限公司 | Cast-in-place beam scaffold without temporary piers |
| CN108374319A (en) * | 2018-04-08 | 2018-08-07 | 北京城建道桥建设集团有限公司 | A kind of through tied arch bridge structural unit and arch bridge structure and its construction method |
| CN110578294A (en) * | 2019-10-10 | 2019-12-17 | 长安大学 | semi-rigid bridge anti-collision guardrail |
| CN111576185A (en) * | 2020-06-01 | 2020-08-25 | 重庆交通大学 | Steel construction assembled arch bridge |
| CN113026573A (en) * | 2021-04-01 | 2021-06-25 | 中铁二十三局集团第三工程有限公司 | Tie beam construction method of multi-beam cable tower |
| CN114086478A (en) * | 2021-11-25 | 2022-02-25 | 中铁广州工程局集团桥梁工程有限公司 | Main tower lower cross beam construction system and method with corbels serving as temporary supports |
-
2009
- 2009-05-27 CN CN2009200811754U patent/CN201395769Y/en not_active Expired - Lifetime
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103352428A (en) * | 2013-07-06 | 2013-10-16 | 中交路桥建设有限公司 | Suspension bridge cable bent tower beam non-support construction method |
| CN103711081A (en) * | 2013-12-26 | 2014-04-09 | 中国一冶集团有限公司 | Method for locating position of flange on upper end opening of skewback through coordinate correction method |
| CN103898836A (en) * | 2014-03-03 | 2014-07-02 | 中铁港航局集团有限公司 | Method for construction of high upper beam steel oblique leg prestress support of H-shaped cable bent tower of cable-stayed bridge |
| CN103898836B (en) * | 2014-03-03 | 2015-11-25 | 中铁港航局集团有限公司 | Cable stayed bridge H type Sarasota height top rail steel battered leg prestress stent construction method |
| CN106522108A (en) * | 2016-12-28 | 2017-03-22 | 中铁十四局集团第二工程有限公司 | Cast-in-place beam scaffold without temporary piers |
| CN106522108B (en) * | 2016-12-28 | 2018-07-03 | 中铁十四局集团第二工程有限公司 | A kind of Cast-in-situ Beam is without Temporary Piers stent |
| CN108374319A (en) * | 2018-04-08 | 2018-08-07 | 北京城建道桥建设集团有限公司 | A kind of through tied arch bridge structural unit and arch bridge structure and its construction method |
| CN108374319B (en) * | 2018-04-08 | 2024-03-26 | 北京城建道桥建设集团有限公司 | Lower-bearing type tied-arch bridge structural unit, arch bridge structure and construction method thereof |
| CN110578294A (en) * | 2019-10-10 | 2019-12-17 | 长安大学 | semi-rigid bridge anti-collision guardrail |
| CN110578294B (en) * | 2019-10-10 | 2021-02-19 | 长安大学 | Semi-rigid bridge anti-collision guardrail |
| CN111576185A (en) * | 2020-06-01 | 2020-08-25 | 重庆交通大学 | Steel construction assembled arch bridge |
| CN111576185B (en) * | 2020-06-01 | 2021-08-17 | 重庆交通大学 | Steel construction assembled arch bridge |
| CN113026573A (en) * | 2021-04-01 | 2021-06-25 | 中铁二十三局集团第三工程有限公司 | Tie beam construction method of multi-beam cable tower |
| CN114086478A (en) * | 2021-11-25 | 2022-02-25 | 中铁广州工程局集团桥梁工程有限公司 | Main tower lower cross beam construction system and method with corbels serving as temporary supports |
| CN114086478B (en) * | 2021-11-25 | 2023-09-08 | 中铁广州工程局集团桥梁工程有限公司 | Main tower lower cross beam construction system and method with bracket serving as temporary support |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100203 |
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| CX01 | Expiry of patent term |