CN112647417A - Large-area thin-shell bridge decorative arch lifting system and lifting method - Google Patents
Large-area thin-shell bridge decorative arch lifting system and lifting method Download PDFInfo
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- CN112647417A CN112647417A CN202011374800.1A CN202011374800A CN112647417A CN 112647417 A CN112647417 A CN 112647417A CN 202011374800 A CN202011374800 A CN 202011374800A CN 112647417 A CN112647417 A CN 112647417A
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- thin
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- shell bridge
- decorative plate
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
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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
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
- E01D19/125—Grating or flooring for 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
- E01D4/00—Arch-type bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/30—Metal
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
According to the lifting system and the lifting method for the large-area thin-shell bridge decorative arch, the structure of the lifting support, the hydraulic lifting system and the auxiliary backing plate is adopted, the structural characteristics of the large-area thin-shell bridge decorative arch are fully considered, the auxiliary backing plate is utilized to reduce the deformation generated when the large-area thin-shell bridge decorative arch is stacked, the installation gap generated by the deformation is avoided, meanwhile, the lifting support and the hydraulic lifting system are adopted, and the lifting support and the hydraulic lifting system are utilized to provide stable lifting acting force for the large-area thin-shell bridge decorative arch, so that the large-area thin-shell bridge decorative arch is prevented from being deformed in the.
Description
Technical Field
The invention relates to the technical field of steel arch bridge deck slab construction, in particular to a large-area thin-shell bridge decorative arch lifting system and a lifting method.
Background
In recent years, the basket steel arch bridge is favored due to the functionality and the aesthetic property thereof, particularly, the basket steel arch bridge is widely applied to river-crossing bridges in urban landscape areas, and designers also make some developments on the basket arch bridge structure according to the structural stability and the aesthetic effect, for example, a decorative arch structure is added between arch ribs, which also puts new requirements on the construction of the structure. The decorative arch structure is generally heavy, large in size and low in rigidity, if a conventional part-by-part high-altitude bulk-loading scheme is adopted, a large number of high-altitude scaffolds need to be erected, the high-altitude assembly and welding workload is huge, greater quality and safety risks exist, and the technical and economic indexes of the scheme are poor.
Disclosure of Invention
The invention provides a large-area thin-shell bridge decorative arch lifting system to solve the technical problem.
According to one aspect of the invention, the large-area thin-shell bridge decorative arch lifting system comprises lifting supports, hydraulic lifting systems and auxiliary backing plates, wherein the lifting supports are arranged on arch ribs of a steel box arch and are uniformly arranged at four corners of a thin-shell bridge decorative plate to be installed, the hydraulic lifting systems are arranged on the lifting supports, the two auxiliary backing plates are arranged in parallel, and the auxiliary backing plates are arc-shaped and are matched with the radian of the thin-shell bridge decorative plate to be installed.
Preferably on the basis of the scheme, the lifting support comprises two supporting beams and a cross beam, wherein the two supporting beams are arranged on the steel box arch ribs at parallel intervals, an acute angle is formed between the supporting beams and the steel box arch ribs, the top of each supporting beam is provided with the cross beam, and the cross beam extends to a space for installing the thin-shell bridge decorating plate.
On the basis of the scheme, preferably, the top of the supporting beam is connected with the bottom of the other supporting beam through a diagonal beam.
On the basis of the scheme, preferably, a pull rope is arranged on a cross beam of the lifting support and is fixedly connected with the steel box arch rib.
Preferably on the basis of the scheme, the hydraulic lifting system is arranged at the tail end of the cross beam and comprises a hydraulic lifter, a guide frame and a lower lifting appliance, the guide frame is arranged at the tail end of the cross beam, a through hole is formed in the cross beam, the hydraulic lifter is in sliding connection with the guide frame, the tail end of the hydraulic lifting frame is connected with the lower lifting appliance through a steel wire rope, and the lower lifting appliance is connected with a decorative plate for installing a thin-shell bridge.
On the basis of the scheme, the thin-shell bridge decorating plate comprises an upper decorating plate and a lower decorating plate, the upper decorating plate and the lower decorating plate are arranged in parallel at intervals and are connected through a longitudinal diaphragm plate, and reinforcing section steel is arranged on the inner side surface of the upper decorating plate connected with the lower lifting appliance and the inner side surface of the lower decorating plate connected with the lower lifting appliance.
The invention also provides a method for hoisting the decorative arch of the large-area thin-shell bridge, which comprises the following steps,
step A1, arranging an auxiliary backing plate below an arch rib of a box arch to be installed, and installing a thin-shell bridge decorative plate on the auxiliary backing plate, so that the appearance of the thin-shell bridge decorative plate to be installed is matched with the radian of the auxiliary backing plate;
step A2, installing a lifting support and a hydraulic lifting system on an arch rib of a box arch to be installed, and connecting the hydraulic lifting system with a thin-shell bridge decorative plate to be installed;
and step A3, starting a hydraulic lifting system on the group of lifting supports with higher vertical height to enable one end of the thin-shell bridge decorative plate to be installed to rotate relative to the other end of the thin-shell bridge decorative plate to be installed, and when the thin-shell bridge decorative plate to be installed is matched with the designed installation gradient, starting the hydraulic lifting system on the group of lifting supports with lower vertical height to work to finish the lifting of the thin-shell bridge decorative plate to be installed.
Preferably, on the basis of the scheme, in the step A2, reinforcing section steel is arranged at the joint of the thin-shell bridge decorative plate to be installed and the hydraulic lifting system.
Preferably, in step a3, when the thin-shell bridge decorative plate to be installed is matched with the designed installation gradient, the hydraulic lifting systems on the two sets of lifting supports are started to work synchronously, and the thin-shell bridge decorative plate to be installed is lifted.
According to the lifting system and the lifting method for the large-area thin-shell bridge decorative arch, the structure of the lifting support, the hydraulic lifting system and the auxiliary backing plate is adopted, the structural characteristics of the large-area thin-shell bridge decorative arch are fully considered, the auxiliary backing plate is utilized to reduce the deformation generated when the large-area thin-shell bridge decorative arch is stacked, the installation gap generated by the deformation is avoided, meanwhile, the lifting support and the hydraulic lifting system are adopted, and the lifting support and the hydraulic lifting system are utilized to provide stable lifting acting force for the large-area thin-shell bridge decorative arch, so that the large-area thin-shell bridge decorative arch is prevented from being deformed in the.
Compared with the prior art, the invention has the following technical advantages:
1. the assembly, welding, fireproof coating and the like of most of the steel structure are carried out on the ground, the construction efficiency is high, and the construction quality is easy to guarantee;
2. the auxiliary members on the steel structure can be pre-installed on the ground, so that the workload of high-altitude hoisting can be reduced to the maximum extent, and the installation construction period is shortened;
3. the high-altitude operation amount is reduced to the minimum by the integral hydraulic lifting and hoisting of the steel structure, and the absolute time of the hydraulic integral lifting operation is short, so that the installation period of the hydraulic integral lifting operation can be effectively ensured;
4. the hydraulic synchronous lifting equipment has small volume, light weight, strong maneuvering capability and convenient transportation and installation;
5. the integral lifting enables the use amount of the temporary installation facilities to be reduced to the minimum, and is beneficial to the control of construction cost.
Drawings
FIG. 1 is a block diagram of a lifting bracket and hydraulic lifting system of the present invention;
FIG. 2 is a top view of the lifting bracket of the present invention;
FIG. 3 is a cross-sectional view of a large area thin shell bridge decorative arch of the present invention;
FIG. 4 is a flow chart of the method for hoisting the decorative arch of the large-area thin-shell bridge of the present invention;
fig. 5 is a structural diagram of the lifting system of the large-area thin-shell bridge decorative arch.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Referring to fig. 1, and referring to fig. 2, fig. 3 and fig. 5, the lifting system for a large-area thin-shell bridge decorative arch according to the present invention includes a lifting support 10, a hydraulic lifting system 20 and an auxiliary pad 24, where the lifting support 10 provides an installation foundation for the hydraulic lifting system 20, the hydraulic lifting system 20 is configured to apply a force on the large-area thin-shell bridge decorative arch to achieve upward movement of the large-area thin-shell bridge decorative arch to complete lifting, and the auxiliary pad 24 is configured to assist lifting of the large-area thin-shell bridge decorative arch.
The lifting support 10 of the invention is arranged on the arch rib of the steel box arch and is uniformly arranged at four corners of a thin-shell bridge decorative plate 30 to be installed, as shown in figure 1, the lifting support can be divided into two groups according to the vertical height position, namely a lower end group with a relatively low horizontal position and an upper end group with a relatively high horizontal position. In other words, for a large-area thin-shell bridge decorative arch bar, in order to keep the principle of the original stress system of the structure as a general principle as far as possible, consider the economic index of the lifting scheme, and reduce the number of lifting points and the steel consumption for lifting temporary facilities as far as possible under the condition of ensuring the lifting safety, four stress points are preferably adopted in the invention, namely four lifting supports 10 are designed to complete construction lifting.
The hydraulic lifting system 20 is arranged on the lifting support 10, the two auxiliary backing plates 24 are arranged in parallel, the auxiliary backing plates 24 are arc-shaped and are matched with the radian of the thin-shell bridge decorative plate 30 to be installed, and the auxiliary backing plates 24 provide enough support for the thin-shell bridge decorative plate to reduce the deformation of the other bridge decorative plates to be installed.
The lifting support 10 comprises two supporting beams 11 and a cross beam 12, wherein the two supporting beams 11 are arranged on a steel box arch rib at intervals in parallel, the supporting beams 11 and the steel box arch rib are arranged at an acute angle, the two supporting beams 11 respectively extend towards one side of a space for installing a thin-shell bridge decorative plate 30 to be installed, the cross beam 12 is installed at the top of each supporting beam 11, and the cross beam 12 is located above the thin-shell bridge decorative plate. By utilizing the structure design, the structure of the lifting support 10 has the characteristic of a certain inclination angle, the using amount of temporary measures is reduced to the maximum extent, and the change of an original structure body is reduced. In order to ensure that the structure is lifted to the original design position to be accurately positioned, the verticality of the lower end group and the lower end group needs to be ensured in the field installation process, and the allowable error is controlled within the range of 1.5 degrees.
The hydraulic lifting system 20 is arranged at the tail end of a cross beam 12, the hydraulic lifting system 20 comprises a hydraulic lifter 21, a guide frame 22 and a lower lifting appliance 23, the guide frame 22 is arranged at the tail end of the cross beam 12, a through hole is formed in the cross beam 12, the hydraulic lifter 21 is connected with the guide frame 22 in a sliding mode, the tail end of the hydraulic lifting frame is connected with the lower lifting appliance 23 through a steel wire rope, and the lower lifting appliance 23 is connected with a decorative board for installing a thin-shell bridge.
And because the local pressure born near the stress point is large, and the thin-shell bridge decorative plate and the peripheral structure of the main arch rib and the cross brace structure are restrained and changed, in order to prevent the thin-shell bridge decorative plate from generating a large amount of deformation due to insufficient hardness of the thin-shell bridge decorative plate in the hoisting process, the safety of the structure is ensured, and the decorative structure main body needs to be reinforced. The structure of the thin-shell bridge decorative plate is adjusted under the condition that the appearance of the thin-shell bridge decorative plate is not changed, namely the thin-shell bridge decorative plate comprises an upper decorative plate 31 and a lower decorative plate 32, the upper decorative plate 31 and the lower decorative plate 32 are arranged in parallel at intervals and are connected through a longitudinal diaphragm, reinforcing section steel 33 is arranged on the inner side surface of the upper decorative plate 31 connected with a lower lifting appliance 23 and the inner side surface of the lower decorative plate 32 connected with the lower lifting appliance 23, and the strength of a lifting point of the reinforcing section steel 33 is improved so as to prevent the reinforcing section steel from deforming in the lifting process.
When the lifting device is used, the lower lifting appliance 23 is connected with the lifting lugs on the reinforced section steel 33, the hydraulic lifter 21 is fixed to the thin-shell bridge decorative plate 30 to be installed, and then the lifting point is located in the middle of the thin-shell bridge decorative plate 30 to be installed by means of structural design of the lifting frame, so that the whole stress is uniform.
In order to ensure the stress balance in the actual acting process, the top of one supporting beam 11 is connected with the bottom of the other supporting beam 11 through the inclined pull beam 13, so as to ensure the structural balance.
Furthermore, the invention also arranges a pull rope 14 on the beam 12 of the lifting bracket 10, the pull rope 14 is fixedly connected with the steel box arch rib, and the two pull ropes 14 are respectively opened towards two sides to form a triangular structure with the lifting bracket 10.
Referring to fig. 4, the present invention further provides a method for hoisting a decorative arch of a large-area thin-shell bridge, comprising the following steps,
step A1, arranging an auxiliary backing plate 24 below an arch rib of a box arch to be installed, and installing a thin-shell bridge decorative plate on the auxiliary backing plate 24, so that the appearance of the thin-shell bridge decorative plate 30 to be installed is matched with the radian of the auxiliary backing plate 24;
step A2, installing a lifting support 10 and a hydraulic lifting system 20 on an arch rib of a box arch to be installed, and connecting the hydraulic lifting system 20 with a thin-shell bridge decorative plate 30 to be installed;
step A3, starting the hydraulic lifting system 20 on the group of lifting supports 10 with higher vertical height to enable one end of the thin-shell bridge decorative plate 30 to be installed to rotate relative to the other end of the thin-shell bridge decorative plate 30 to be installed, when the thin-shell bridge decorative plate 30 to be installed is matched with the designed installation gradient, starting the hydraulic lifting system 20 on the group of lifting supports 10 with lower vertical height to work, completing the lifting of the thin-shell bridge decorative plate 30 to be installed, and lifting the thin-shell bridge decorative plate 30 to be installed to the designed angle and then lifting the thin-shell bridge decorative plate in parallel and synchronous mode to effectively guarantee the balance of the integral stress.
In step a2, reinforcing steel bars 33 are arranged at the joints of the thin-shell bridge decorative plates 30 to be installed and the hydraulic lifting system 20 to ensure that the stress is balanced.
In step a3, when the thin-shell bridge decorative plate 30 to be installed is matched with the designed installation gradient, the hydraulic lifting systems 20 on the two sets of lifting brackets 10 are started to work synchronously, and the thin-shell bridge decorative plate 30 to be installed is lifted.
It should be noted that the hydraulic lifting system 20 adopts a method of built-in stroke and displacement sensing monitoring in the hydraulic lifter 21, and through computer control, data feedback and control instruction transmission, it can fully automatically realize a plurality of functions such as synchronous action, load balancing, posture correction, stress control, operation locking, process display and fault alarm. The operator can observe the hydraulic lifting process and related data and/or issue control instructions through a man-machine interface of a hydraulic synchronous computer control system in a central control room.
The steel wire rope adopted by the invention is combined with the hydraulic lifter 21, and the flexible rigging is adopted for bearing, so that the lifting height is not limited as long as a reasonable bearing lifting point is provided; the anchorage device of the hydraulic lifter 21 has reverse motion self-locking performance, so that the lifting process is very safe, and the member can be reliably locked at any position in the lifting process for a long time; the hydraulic lifter 21 is driven by a hydraulic loop, the acceleration is extremely low in the action process, and almost no additional dynamic load is applied to a lifted component and a lifting frame structure; the hydraulic lifting equipment has small volume, light dead weight and large bearing capacity, and is particularly suitable for large-tonnage member traction installation in narrow spaces or rooms; the device has the advantages of high automation degree, convenient and flexible operation, good safety, high reliability, wide application range and strong universality.
According to the lifting system and the lifting method for the large-area thin-shell bridge decorative arch, the structures of the lifting support 10, the hydraulic lifting system 20 and the auxiliary backing plate 24 are adopted, the structural characteristics of the large-area thin-shell bridge decorative arch are fully considered, the auxiliary backing plate 24 is utilized to reduce the deformation generated when the large-area thin-shell bridge decorative arch is stacked, the installation gap generated due to the deformation is avoided, meanwhile, the lifting support 10 and the hydraulic lifting system 20 are adopted, and the lifting support 10 and the hydraulic lifting system 20 are utilized to provide stable lifting acting force for the large-area thin-shell bridge decorative arch, so that the large-area thin-shell bridge decorative arch is prevented from deforming in the.
Compared with the prior art, the invention has the following technical advantages:
1. the assembly, welding, fireproof coating and the like of most of the steel structure are carried out on the ground, the construction efficiency is high, and the construction quality is easy to guarantee;
2. the auxiliary members on the steel structure can be pre-installed on the ground, so that the workload of high-altitude hoisting can be reduced to the maximum extent, and the installation construction period is shortened;
3. the high-altitude operation amount is reduced to the minimum by the integral hydraulic lifting and hoisting of the steel structure, and the absolute time of the hydraulic integral lifting operation is short, so that the installation period of the hydraulic integral lifting operation can be effectively ensured;
4. the hydraulic synchronous lifting equipment has small volume, light weight, strong maneuvering capability and convenient transportation and installation;
5. the integral lifting enables the use amount of the temporary installation facilities to be reduced to the minimum, and is beneficial to the control of construction cost.
Finally, the method of the present application is only a preferred embodiment and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. Arch lift system is decorated to thin shell bridge of large tracts of land, its characterized in that, including promoting support, hydraulic lifting system and supplementary backing plate, it installs on steel box arch rib and evenly sets up in the four corners of waiting to install thin shell bridge decorative board to promote the support, hydraulic lifting system installs promote on the support, supplementary backing plate is two parallel arrangement, just supplementary backing plate be the arc and with wait to install the radian adaptation of thin shell bridge decorative board.
2. The system of claim 1, wherein the lifting frame comprises two support beams and a cross beam, the two support beams are arranged on the steel box arch rib in parallel and at intervals, the support beams and the steel box arch rib are arranged at an acute angle, the cross beam is arranged at the top of the support beams, and the cross beam extends to a space for installing the thin-shell bridge decorative plate.
3. The system of claim 2, wherein the top of one of the support beams is connected to the bottom of the other support beam by a diagonal tension beam.
4. The system of claim 2, wherein the lifting brackets are provided with pull cords on the cross beams, and the pull cords are fixedly connected to the steel box arch ribs.
5. The large-area thin-shell bridge decorative arch lifting system of claim 2, wherein the hydraulic lifting system is installed at the end of the cross beam, the hydraulic lifting system comprises a hydraulic lifter, a guide frame and a lower lifting appliance, the guide frame is installed at the end of the cross beam, a through hole is formed in the cross beam, the hydraulic lifter is in sliding connection with the guide frame, the end of the hydraulic lifting frame is connected with the lower lifting appliance through a steel wire rope, and the lower lifting appliance is connected with a decorative plate for installing the thin-shell bridge.
6. The large-area thin-shell bridge decorative arch lifting system of claim 5, wherein the thin-shell bridge decorative plate comprises an upper decorative plate and a lower decorative plate, the upper decorative plate and the lower decorative plate are arranged in parallel at intervals and connected through a longitudinal diaphragm, and reinforcing steel sections are arranged on the inner side surface of the upper decorative plate connected with the lower lifting appliance and the inner side surface of the lower decorative plate connected with the lower lifting appliance.
7. A method for hoisting a large-area thin-shell bridge decorative arch is characterized by comprising the following steps,
step A1, arranging an auxiliary backing plate below an arch rib of a box arch to be installed, and installing a thin-shell bridge decorative plate on the auxiliary backing plate, so that the appearance of the thin-shell bridge decorative plate to be installed is matched with the radian of the auxiliary backing plate;
step A2, installing a lifting support and a hydraulic lifting system on an arch rib of a box arch to be installed, and connecting the hydraulic lifting system with a thin-shell bridge decorative plate to be installed;
and step A3, starting a hydraulic lifting system on the group of lifting supports with higher vertical height to enable one end of the thin-shell bridge decorative plate to be installed to rotate relative to the other end of the thin-shell bridge decorative plate to be installed, and when the thin-shell bridge decorative plate to be installed is matched with the designed installation gradient, starting the hydraulic lifting system on the group of lifting supports with lower vertical height to work to finish the lifting of the thin-shell bridge decorative plate to be installed.
8. The method for hoisting the large-area thin-shell bridge decorative arch according to claim 7, wherein in step A2, reinforcing steel bars are arranged at the joints of the thin-shell bridge decorative plate to be installed and the hydraulic lifting system.
9. The method for hoisting the large-area thin-shell bridge decorative arch according to claim 7, wherein in step A3, when the thin-shell bridge decorative plate to be installed is matched with the designed installation gradient, the hydraulic lifting systems on the two groups of lifting brackets are started to work synchronously, and the hoisting of the thin-shell bridge decorative plate to be installed is completed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011374800.1A CN112647417A (en) | 2020-11-30 | 2020-11-30 | Large-area thin-shell bridge decorative arch lifting system and lifting method |
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| CN202011374800.1A CN112647417A (en) | 2020-11-30 | 2020-11-30 | Large-area thin-shell bridge decorative arch lifting system and lifting method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102733310A (en) * | 2012-06-29 | 2012-10-17 | 中铁大桥局集团有限公司 | Lifting construction method for arch rib segments of steel box handle-basket arch bridge |
| CN204702474U (en) * | 2015-02-12 | 2015-10-14 | 中天建设集团有限公司 | Inclined-pulling type vestibule truss Steel Structure hoisting hanger |
| CN106337501A (en) * | 2016-08-26 | 2017-01-18 | 陕西建工机械施工集团有限公司 | Inverted lifting installation method of arched reticulated shell |
| CN208150771U (en) * | 2018-03-12 | 2018-11-27 | 中铁上海工程局集团有限公司 | A kind of introversion formula steel case arch rib entirety winding level restraint device |
| KR20190090167A (en) * | 2018-01-24 | 2019-08-01 | 주식회사 인터컨스텍 | Method and Apparatus for Rotating of Precast Arch Segment using Rotating Force by Eccentricity |
| CN111962403A (en) * | 2020-09-22 | 2020-11-20 | 同济大学建筑设计研究院(集团)有限公司 | Triangular structure system for steel arch bridge swivel construction and installation method thereof |
-
2020
- 2020-11-30 CN CN202011374800.1A patent/CN112647417A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102733310A (en) * | 2012-06-29 | 2012-10-17 | 中铁大桥局集团有限公司 | Lifting construction method for arch rib segments of steel box handle-basket arch bridge |
| CN204702474U (en) * | 2015-02-12 | 2015-10-14 | 中天建设集团有限公司 | Inclined-pulling type vestibule truss Steel Structure hoisting hanger |
| CN106337501A (en) * | 2016-08-26 | 2017-01-18 | 陕西建工机械施工集团有限公司 | Inverted lifting installation method of arched reticulated shell |
| KR20190090167A (en) * | 2018-01-24 | 2019-08-01 | 주식회사 인터컨스텍 | Method and Apparatus for Rotating of Precast Arch Segment using Rotating Force by Eccentricity |
| CN208150771U (en) * | 2018-03-12 | 2018-11-27 | 中铁上海工程局集团有限公司 | A kind of introversion formula steel case arch rib entirety winding level restraint device |
| CN111962403A (en) * | 2020-09-22 | 2020-11-20 | 同济大学建筑设计研究院(集团)有限公司 | Triangular structure system for steel arch bridge swivel construction and installation method thereof |
Non-Patent Citations (4)
| Title |
|---|
| 上海建工（集团）总公司: "《上海建筑施工新技术》", 30 September 1999 * |
| 匿名: "新河大桥正加紧装饰拱吊装 江北快速路即将完工", 《阳逻网》 * |
| 崔碧海: "《起重技术 第2版》", 30 June 2017, 重庆大学出版社 * |
| 田卿等: "中承式钢箱提篮拱桥设计", 《世界桥梁》 * |
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Application publication date: 20210413 |