CN203904851U - Continuous beam side span straight section hanger support system - Google Patents
Continuous beam side span straight section hanger support system Download PDFInfo
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- CN203904851U CN203904851U CN201420191369.0U CN201420191369U CN203904851U CN 203904851 U CN203904851 U CN 203904851U CN 201420191369 U CN201420191369 U CN 201420191369U CN 203904851 U CN203904851 U CN 203904851U
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 39
- 239000010959 steel Substances 0.000 claims abstract description 39
- 238000005096 rolling process Methods 0.000 claims description 30
- 238000005260 corrosion Methods 0.000 claims description 8
- 230000007797 corrosion Effects 0.000 claims description 8
- 239000004576 sand Substances 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 17
- 238000011065 in-situ storage Methods 0.000 abstract description 6
- 238000005266 casting Methods 0.000 abstract 1
- 239000011121 hardwood Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 244000062793 Sorghum vulgare Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 235000019713 millet Nutrition 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model belongs to the technical field of construction of continuous beam side span straight section supports in bridge engineering, particularly relates to a continuous beam side span straight section hanger support system and solves the problem that a ground side span cast-in-situ beam support is constructed when a continuous beam spans a section with busy road traffic to influence traffic or a ground support adopted under the condition of high piers is not economical. The continuous beam side span straight section hanger support system comprises a vertical fining twisted steel hanging system, a triangular scaffold system, a horizontal supporting system and a longitudinal bailey truss; the vertical fining twisted steel hanging system is hung at the front end of a continuous beam section which has been subjected to cantilever casting; the triangular scaffold system is positioned on the upper part of an abutment pier; the horizontal supporting system is respectively supported on the hanging system and the triangular scaffold system; two ends of the longitudinal bailey truss are respectively supported on horizontal supports of the hanging system and the triangular scaffold system. The continuous beam side span straight section hanger support system is simple in structure, has small influence on ground transportation, is particularly suitable for constructing continuous beam side span straight section beam bodies under the condition of the high piers, and is good in economic benefit.
Description
Technical field
The utility model belongs to continuous beam end bay straightway rack construction technical field in bridge engineering, is specifically related to a kind of continuous beam end bay straightway hanger system.
Background technology
In continuous beam or continuous rigid frame bridge construction, the hanging basket cantilever technology that adopt are constructed more, its end bay straightway construction ground supports that adopt carry out cast-in-place construction more, but this construction method need to take segment path, road traffic is impacted, when busy the or bridge pier of the road traffic crossed over when bridge is higher, adopt ground support construction end bay straightway beam body to meet difficulty, so need to select other forms of strutting system to carry out the construction of end bay straightway beam body.
Summary of the invention
The purpose of this utility model is in order to solve in the time that continuous beam is crossed over the busy location of road traffic, construction ground end bay Cast-in-situ Beam support can impact traffic, or adopt the uneconomic problem of ground support in the very high situation of pier height, a kind of continuous beam end bay straightway hanger system is provided, simple in structure, very little to ground traffic impact, be particularly useful for carrying out in situation that pier height is very high the construction of continuous beam end bay straightway beam body, good in economic efficiency.
The utility model adopts following technical scheme to realize:
A kind of continuous beam end bay straightway hanger system, comprise vertical fining twisted steel suspention system, triangle falsework system, cross binding system and longitudinal Bailey beam, vertical fining twisted steel suspention system is suspended to outstanding continuous beam section front end of having filled with, triangle falsework system is positioned at abutment pier top, cross binding system is supported in respectively in suspention system and triangle falsework system, and longitudinally Bailey beam two ends are supported on respectively in the cross binding of suspention system and triangle falsework system.
Vertical fining twisted steel suspention system is made up of double vertical finish rolling deformed bar, upper and lower distribution beam and nut, upper distribution beam is positioned at case beam wing plate top and case beam base plate top, lower distribution beam is suspended to vertical finish rolling deformed bar bottom, after vertical distribution beam adopts channel-section steel Two bors d's oeuveres, upper and lower welding steel is made, and finish rolling deformed bar termination adopts the fixing upper and lower distribution beam of double nut.
Triangle falsework system comprises built-in fitting 1, built-in fitting 2, bracket, billet 1, billet 2, triangle falsework battered leg, triangle falsework horizontal leg, steel pipe, horizontal finish rolling deformed bar and counter-force seat, built-in fitting 1, built-in fitting 2 is made up of steel plate and the reinforcing bar that is welded on steel plate, be embedded in respectively the top of abutment pier by continuous beam side, built-in fitting 1 is in the bottom of built-in fitting 2, and on an axis, bury the duct of steel pipe as horizontal finish rolling deformed bar underground at the height of built-in fitting 2, at the fining twisted steel counter-force seat being connected with horizontal finish rolling deformed bar away from the setting of continuous beam side, on built-in fitting 1, connect bracket, triangle falsework battered leg bottom is connected with bracket, itself and bracket and pier shaft contact position arrange respectively billet 2 and billet 1, top and triangle falsework horizontal leg bolt, the triangle falsework horizontal leg other end is connected on built-in fitting 2, be connected with horizontal finish rolling deformed bar system simultaneously, bracket is formed by Plate Welding, and triangle falsework battered leg and triangle falsework horizontal leg are made up of i iron.
Cross binding system is divided into the cross binding system in cross binding system and the triangle falsework system in suspention system, and the cross binding system in suspention system is made up of the crossbeam on the bloster hinge and the bloster hinge that are connected in the distribution beam of bottom; Cross binding system in triangle falsework system adds corrosion resistant plate by the crossbeam on the sand cylinder, the sand cylinder that are supported on triangle falsework horizontal leg and the tetrafluoro plate on crossbeam and forms; Crossbeam is made up of Two bors d's oeuveres work steel, and tetrafluoro plate adds corrosion resistant plate direction across bridge and stopping means is set prevents that it from horizontally slipping.
Longitudinally Bailey beam is arranged on crossbeam, between every group of Bailey beam, laterally adopt Bailey beam cross binding frame to connect, longitudinally between Bailey beam and crossbeam, adopt Bailey beam and the locking of crossbeam connecting rod, Bailey beam and crossbeam contact site are chosen in Bailey beam montant position, and the longeron of pier top bit adopts lengthening bar to be connected with Bailey beam.
The utlity model has following beneficial effect:
1, the utility model, in the time that continuous beam is crossed over busy road, because it is without ground support, has reduced the impact of beam body construction on traffic above-ground greatly;
2, in the situation that pier height is higher, to set up ground support and will become uneconomical, suspension bracket architecture described in the utility model is simple, and easy construction is good in economic efficiency;
3, by the optimal design to design beam section, end bay straightway and end bay closure section together can be constructed, efficiency of construction is high, effectively the reduction of erection time.
Brief description of the drawings
Fig. 1 is that schematic diagram is arranged in the front of hanger system,
Fig. 2 is the 1-1 sectional view of Fig. 1,
Fig. 3 is the 2-2 sectional view of Fig. 1,
In figure: the vertical finish rolling deformed bar of 1-, 2-nut, the upper distribution beam of 3.1-, under 3.2-, distribute fine strain of millet, 4-bloster hinge, 5-crossbeam, 6-hardwood, 7-built-in fitting 1, 8-built-in fitting 2, 9-bracket, 10-billet 1, 11-billet 2, 12-triangle falsework battered leg, 13-triangle falsework horizontal leg, 14-steel pipe, the horizontal finish rolling deformed bar of 15-, 16-counter-force seat, 17-sand cylinder, 18-tetrafluoro plate adds corrosion resistant plate, the longitudinal Bailey beam of 19-, 20-Bailey beam and crossbeam connecting rod, 21-strengthens montant, 22-lengthening bar, 23-bed die, 24-Bailey beam cross binding frame, the outstanding continuous beam section of having filled with of 25-, 26-end bay Cast-in-Situ Segment beam body.
Detailed description of the invention
1, described dark continuous beam end bay straightway hanger system is made up of vertical fining twisted steel suspention system, triangle falsework system, cross binding system, longitudinal stress Bailey beam.Vertical fining twisted steel suspention system is suspended to outstanding continuous beam section front end of having filled with, triangle falsework system is positioned at abutment pier top, cross binding system is supported in respectively in suspention system and triangle falsework system, and longitudinally Bailey beam two ends are supported on respectively in the cross binding of suspention system and triangle falsework system.Longitudinally in Bailey beam, carrying out setting up of end bay Cast-in-Situ Segment beam body template.
2, vertical fining twisted steel suspention system is made up of double vertical finish rolling deformed bar, upper and lower distribution beam and nut, the every row amount of vertical finish rolling deformed bar is calculated and is tried to achieve according to the weight of bearing beam body, upper distribution beam adopts hardwood levelling, non-case beam wing plate top or the case beam base plate top of not being positioned at, lower distribution beam is suspended to vertical finish rolling deformed bar bottom, after distribution beam adopts channel-section steel Two bors d's oeuveres, upper and lower welding steel is made, and vertical finish rolling deformed bar termination adopts the fixing upper and lower distribution beam of double nut.
3, triangle falsework system is made up of built-in fitting 1, built-in fitting 2, bracket, billet 1, billet 2, triangle falsework battered leg, triangle falsework horizontal leg, steel pipe, horizontal finish rolling deformed bar, counter-force seat.Built-in fitting 1, built-in fitting 2 are made up of steel plate and the reinforcing bar that is welded on steel plate, be embedded in respectively the top of abutment pier by continuous beam side, built-in fitting 1 is in the bottom of built-in fitting 2, and on an axis, built-in fitting 1,2 direction across bridge quantity are tried to achieve by calculating, bury the duct of steel pipe as horizontal finish rolling deformed bar underground at the height of built-in fitting 2,4 every group, to strengthen bridge pier longitudinal stress, fining twisted steel counter-force seat is being set away from continuous beam side.Bracket is connected on built-in fitting 1, triangle falsework battered leg bottom is connected with bracket, itself and bracket and pier shaft contact position arrange respectively billet 2 and billet 1, top and triangle falsework horizontal leg bolt, the triangle falsework horizontal leg other end is connected on built-in fitting 2 and is connected with horizontal finish rolling deformed bar system simultaneously; Bracket is formed by Plate Welding, and triangle falsework battered leg and horizontal leg are made up of i iron.
4, cross binding system is divided into the cross binding system in cross binding system and the triangle falsework system in suspention system.Cross binding system in suspention system is made up of the crossbeam on the bloster hinge and the bloster hinge that are connected in the distribution beam of bottom; Cross binding system in triangle falsework system is made up of the crossbeam on the sand cylinder, the sand cylinder that are supported on triangle falsework horizontal leg and the tetrafluoro plate+corrosion resistant plate on crossbeam; Crossbeam is made up of Two bors d's oeuveres work steel, and tetrafluoro plate+corrosion resistant plate direction across bridge arranges stopping means and prevents that it from horizontally slipping.
5, longitudinally Bailey beam is arranged on crossbeam, its quantity is tried to achieve according to calculating, between every group of Bailey beam, laterally adopt Bailey beam cross binding frame to connect, between Bailey beam and crossbeam, adopt connecting rod locking, Bailey beam and crossbeam contact site are chosen in Bailey beam montant position, if because length reason can not realize, reinforcement montant is set in the Bailey beam of crossbeam correspondence position, the longeron of pier top bit adopts lengthening bar to be connected with Bailey beam.Carry out setting up of bottom die of box-beam and side form on Bailey beam top, carry out the cast-in-place operation of end bay straightway beam body.
By reference to the accompanying drawings and certain grand bridge (42+60+100+58) m continuous beam end bay straightway embodiment detailed description of the invention of the present utility model is described further:
When last outstanding filling section of the close end bay straightway of construction, reserved vertical finish rolling deformed bar hole, this bridge arranges two row φ 32 vertical finish rolling deformed bars (as shown in Figure 1), 7 of every rows (as shown in Figure 2), wherein 2 of the every sides of frange plate, interior 3 of case; Indented bars in case also will penetrate from back, therefore will ensure that top board and base plate hole are on a plumb line when reserving hole.When abutment pier construction, near end bay end top pre-embedded steel slab built-in fitting 1 and built-in fitting 2, at pre-buried φ 75 steel pipes of height of built-in fitting 2,4 one group, steel pipe is through built-in fitting 2.
Distribution beam, bloster hinge and crossbeam under the assembling of ground, be raised up to relevant position with two cranes, from preformed hole, penetrate the vertical finish rolling deformed bar of φ 32, the vertical finish rolling deformed bar of φ 32 is through the preformed hole of lower distribution beam, adjust finish rolling deformed bar height back rest face and install distribution beam, and with hardwood by its levelling, then tighten top nut, adopt double nut structure; Adjust lower distribution beam height, tighten bottom nut, adopt equally double nut structure, so just completed the construction of suspention system.
When the construction of suspention system, after being installed, the horizontal finish rolling deformed bar of φ 32, counter-force seat carry out stretch-draw, on built-in fitting 1, bracket is installed, billet 1, billet 2, triangle falsework battered leg, triangle falsework horizontal leg are assembled on ground, integral hoisting makes it be connected with bracket, built-in fitting 2, horizontal φ 32 finish rolling deformed bar system is connected with triangle falsework horizontal leg simultaneously, strengthens that it is stressed, this bridge adopts 5 triangle falsework structures.
On triangle falsework horizontal leg, sand cylinder is installed, lifting cross beam, and tetrafluoro plate+corrosion resistant plate is installed in corresponding Bailey beam position, and Bailey beam list group is assembled in advance on ground according to Len req, adopt crane to be sling, first insert suspension bracket system position adjust suitable after, make its decline and fall on crossbeam, this bridge adopts 16 groups of Bailey beams, adopts cross binding frame to connect between every 3 groups or 4 groups, after adjusting to the right place, Bailey beam and crossbeam are locked with connecting rod.Install as required and strengthen montant, lengthening bar.The installation of whole suspension bracket system, the template of carrying out end bay Cast-in-Situ Segment beam body thereon such as sets up at the work, completes the work of building of whole end bay Cast-in-Situ Segment beam body.
Claims (5)
1. a continuous beam end bay straightway hanger system, it is characterized in that: comprise vertical fining twisted steel suspention system, triangle falsework system, cross binding system and longitudinal Bailey beam (19), vertical fining twisted steel suspention system is suspended to outstanding continuous beam section (25) front end of having filled with, triangle falsework system is positioned at abutment pier top, cross binding system is supported in respectively in suspention system and triangle falsework system, and longitudinally Bailey beam two ends are supported on respectively in the cross binding of suspention system and triangle falsework system.
2. a kind of continuous beam end bay straightway hanger system according to claim 1, it is characterized in that vertical fining twisted steel suspention system is made up of double vertical finish rolling deformed bar (1), upper and lower distribution beam and nut (2), upper distribution beam (3.1) is positioned at case beam wing plate top and case beam base plate top, lower distribution beam (3.2) is suspended to vertical finish rolling deformed bar (1) bottom, after distribution beam adopts channel-section steel Two bors d's oeuveres, upper and lower welding steel is made, and vertical finish rolling deformed bar (1) termination adopts the fixing upper and lower distribution beam of double nut (2).
3. a kind of continuous beam end bay straightway hanger system according to claim 1 and 2, is characterized in that triangle falsework system comprises built-in fitting 1(7), built-in fitting 2(8), bracket (9), billet 1(10), billet 2(11), triangle falsework battered leg (12), triangle falsework horizontal leg (13), steel pipe (14), horizontal finish rolling deformed bar (15) and counter-force seat (16), built-in fitting 1(7), built-in fitting 2(8) formed by steel plate and the reinforcing bar that is welded on steel plate, be embedded in respectively the top of abutment pier by continuous beam side, built-in fitting 1(7) at built-in fitting 2(8) bottom, and on an axis, at built-in fitting 2(8) height bury the duct of steel pipe (14) as horizontal finish rolling deformed bar (15) underground, at the fining twisted steel counter-force seat (16) being connected with horizontal finish rolling deformed bar (15) away from the setting of continuous beam side, built-in fitting 1(7) the upper bracket (9) that connects, triangle falsework battered leg (12) bottom is connected with bracket (9), itself and bracket (9) and pier shaft contact position arrange respectively billet 2(11) with billet 1(10), top and triangle falsework horizontal leg (13) bolt, triangle falsework horizontal leg (13) other end is connected in built-in fitting 2(8) on, be connected with horizontal finish rolling deformed bar (15) system simultaneously, bracket (9) is formed by Plate Welding, and triangle falsework battered leg (12) and triangle falsework horizontal leg (13) are made up of i iron.
4. a kind of continuous beam end bay straightway hanger system according to claim 3, it is characterized in that cross binding system is divided into the cross binding system in cross binding system and the triangle falsework system in suspention system, the cross binding system in suspention system is made up of the crossbeam (5) on the bloster hinge (4) and the bloster hinge that are connected in bottom distribution beam (3.2); Cross binding system in triangle falsework system adds corrosion resistant plate (18) by the crossbeam (5) on the sand cylinder (17), the sand cylinder that are supported on triangle falsework horizontal leg and the tetrafluoro plate on crossbeam and forms; Crossbeam (5) is made up of Two bors d's oeuveres work steel, and tetrafluoro plate adds corrosion resistant plate (18) direction across bridge and stopping means is set prevents that it from horizontally slipping.
5. a kind of continuous beam end bay straightway hanger system according to claim 4, it is characterized in that longitudinal Bailey beam (19) is arranged on crossbeam (5), between every group of Bailey beam, laterally adopt Bailey beam cross binding frame (24) to connect, longitudinally between Bailey beam (19) and crossbeam (5), adopt Bailey beam and crossbeam connecting rod (20) locking, Bailey beam (19) is chosen in Bailey beam montant position with crossbeam (5) contact site, and the longeron of pier top bit adopts lengthening bar (22) to be connected with Bailey beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420191369.0U CN203904851U (en) | 2014-04-21 | 2014-04-21 | Continuous beam side span straight section hanger support system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420191369.0U CN203904851U (en) | 2014-04-21 | 2014-04-21 | Continuous beam side span straight section hanger support system |
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| CN203904851U true CN203904851U (en) | 2014-10-29 |
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| CN201420191369.0U Expired - Lifetime CN203904851U (en) | 2014-04-21 | 2014-04-21 | Continuous beam side span straight section hanger support system |
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| CN104631333A (en) * | 2015-01-29 | 2015-05-20 | 中铁港航局集团有限公司 | Moving hanger frame and method for small cross beam, small longitudinal beam and bridge deck slab cast-in-situ construction of arch bridge |
| CN104805769A (en) * | 2015-04-07 | 2015-07-29 | 中铁第五勘察设计院集团有限公司 | Self-balance arc-shaped beam cast-in-place support and construction method thereof |
| CN106284080A (en) * | 2016-08-11 | 2017-01-04 | 中铁十二局集团第二工程有限公司 | Continuous rigid frame aqueduct closure segment construction method |
| CN106894345A (en) * | 2017-04-17 | 2017-06-27 | 五冶集团上海有限公司 | Continuous beam end bay closing device and method |
| CN107892238A (en) * | 2017-11-11 | 2018-04-10 | 中铁三局集团华东建设有限公司 | A kind of lowering equipment and method for Bailey beam |
| CN108103956A (en) * | 2017-12-21 | 2018-06-01 | 中铁三局集团华东建设有限公司 | The construction method of cantilever casting beam end bay battered leg |
| CN111042006A (en) * | 2020-01-16 | 2020-04-21 | 中建七局安装工程有限公司 | High pier edge span suspension casting beam Bailey truss structure and construction method thereof |
| CN113373810A (en) * | 2021-05-20 | 2021-09-10 | 山东科技大学 | Side span support structure of continuous T-structure viaduct with upper span of existing line |
| CN114808733A (en) * | 2022-05-17 | 2022-07-29 | 中铁十七局集团城市建设有限公司 | Cast-in-place construction method for side span straight line segment of continuous rigid frame bridge of highway |
| CN115787471A (en) * | 2022-10-08 | 2023-03-14 | 中铁广州工程局集团第二工程有限公司 | Construction method for continuous beam side span small-rigidity double-column pier non-counterweight folding |
| WO2024198325A1 (en) * | 2023-03-30 | 2024-10-03 | 中铁上海工程局集团有限公司 | Continuous girder side span cast-in-situ segment single-end suspension support structure |
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2014
- 2014-04-21 CN CN201420191369.0U patent/CN203904851U/en not_active Expired - Lifetime
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104631333A (en) * | 2015-01-29 | 2015-05-20 | 中铁港航局集团有限公司 | Moving hanger frame and method for small cross beam, small longitudinal beam and bridge deck slab cast-in-situ construction of arch bridge |
| CN104631333B (en) * | 2015-01-29 | 2017-01-04 | 中铁港航局集团有限公司 | Arch bridge needle beam, stringer and floorings cast-in-place construction travelling bridge and method |
| CN104805769A (en) * | 2015-04-07 | 2015-07-29 | 中铁第五勘察设计院集团有限公司 | Self-balance arc-shaped beam cast-in-place support and construction method thereof |
| CN104805769B (en) * | 2015-04-07 | 2016-08-24 | 中铁第五勘察设计院集团有限公司 | A kind of self-balancing arc beam cast-in-place support and construction method thereof |
| CN106284080A (en) * | 2016-08-11 | 2017-01-04 | 中铁十二局集团第二工程有限公司 | Continuous rigid frame aqueduct closure segment construction method |
| CN106284080B (en) * | 2016-08-11 | 2019-01-11 | 中铁十二局集团第二工程有限公司 | Continuous rigid frame aqueduct closes up section constructing method |
| CN106894345A (en) * | 2017-04-17 | 2017-06-27 | 五冶集团上海有限公司 | Continuous beam end bay closing device and method |
| CN107892238A (en) * | 2017-11-11 | 2018-04-10 | 中铁三局集团华东建设有限公司 | A kind of lowering equipment and method for Bailey beam |
| CN107892238B (en) * | 2017-11-11 | 2019-10-22 | 中铁三局集团华东建设有限公司 | A kind of lowering equipment and method for Bailey beam |
| CN108103956A (en) * | 2017-12-21 | 2018-06-01 | 中铁三局集团华东建设有限公司 | The construction method of cantilever casting beam end bay battered leg |
| CN111042006A (en) * | 2020-01-16 | 2020-04-21 | 中建七局安装工程有限公司 | High pier edge span suspension casting beam Bailey truss structure and construction method thereof |
| CN111042006B (en) * | 2020-01-16 | 2022-04-15 | 中建七局安装工程有限公司 | High pier edge span suspension casting beam Bailey truss structure and construction method thereof |
| CN113373810A (en) * | 2021-05-20 | 2021-09-10 | 山东科技大学 | Side span support structure of continuous T-structure viaduct with upper span of existing line |
| JP2022179455A (en) * | 2021-05-20 | 2022-12-02 | 山東科技大学 | Side-span shoring structure of a continuous T-girder viaduct straddling an existing railroad track |
| JP7370626B2 (en) | 2021-05-20 | 2023-10-30 | 山東科技大学 | Side span support structure for a continuous T-girder viaduct spanning the existing railway line |
| CN114808733A (en) * | 2022-05-17 | 2022-07-29 | 中铁十七局集团城市建设有限公司 | Cast-in-place construction method for side span straight line segment of continuous rigid frame bridge of highway |
| CN114808733B (en) * | 2022-05-17 | 2024-06-04 | 中铁十七局集团城市建设有限公司 | Highway continuous rigid frame bridge side span straight line section cast-in-situ construction method |
| CN115787471A (en) * | 2022-10-08 | 2023-03-14 | 中铁广州工程局集团第二工程有限公司 | Construction method for continuous beam side span small-rigidity double-column pier non-counterweight folding |
| CN115787471B (en) * | 2022-10-08 | 2025-10-28 | 中铁广州工程局集团第二工程有限公司 | A construction method for closing double-column piers with small rigidity in the side span of a continuous beam without counterweight |
| WO2024198325A1 (en) * | 2023-03-30 | 2024-10-03 | 中铁上海工程局集团有限公司 | Continuous girder side span cast-in-situ segment single-end suspension support structure |
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Effective date of registration: 20170302 Address after: 030001 Taiyuan City, Shanxi meet the main street, No. 269 Patentee after: CHINA RAILWAY NO.3 ENGINEERING GROUP Co.,Ltd. Patentee after: CHINA RAILWAY THIRD ENGINEERING GROUP BRIDGE & TUNNEL ENGINEERING Co.,Ltd. Address before: 030001 Yingze street, Shanxi, No. 269, No. Patentee before: CHINA RAILWAY NO.3 ENGINEERING GROUP Co.,Ltd. |
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Address after: 030001 Yingze street, Shanxi, No. 269, No. Co-patentee after: CHINA RAILWAY THIRD ENGINEERING GROUP BRIDGE & TUNNEL ENGINEERING Co.,Ltd. Patentee after: CHINA RAILWAY NO.3 ENGINEERING GROUP Co.,Ltd. Address before: 030001 Taiyuan City, Shanxi meet the main street, No. 269 Co-patentee before: CHINA RAILWAY THIRD ENGINEERING GROUP BRIDGE & TUNNEL ENGINEERING Co.,Ltd. Patentee before: CHINA RAILWAY NO.3 ENGINEERING GROUP Co.,Ltd. |
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Granted publication date: 20141029 |