CN112160253A - Arch rib installation method of continuous rigid frame arch bridge - Google Patents
Arch rib installation method of continuous rigid frame arch bridge Download PDFInfo
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- CN112160253A CN112160253A CN202011192374.XA CN202011192374A CN112160253A CN 112160253 A CN112160253 A CN 112160253A CN 202011192374 A CN202011192374 A CN 202011192374A CN 112160253 A CN112160253 A CN 112160253A
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- arch
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- rigid frame
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
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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
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- Engineering & Computer Science (AREA)
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The application relates to an arch rib installation method of a continuous rigid frame arch bridge, which relates to the technical field of bridge construction and comprises the following steps of S1: prefabricating a plurality of assembled bracket assemblies with different heights according to the design line type of the rigid frame arch bridge; s2: vertically fixing a plurality of assembling bracket assemblies on the beam surface of the rigid frame arch bridge, wherein the top of each assembling bracket assembly forms a plurality of sections of radians consistent with the design line type of the rigid frame arch bridge; s3: hoisting the arch rib section by section above the assembling support component to form an in-situ assembling section and a lifting assembling section; s4: and lifting the lifting assembly section, and butting and assembling the lifting assembly section and the in-situ assembly section to form the rigid frame arch bridge. The arch rib installation method of the continuous rigid frame arch bridge provides an arch rib erection method with small construction risk and wide application range.
Description
Technical Field
The application relates to the technical field of bridge construction, in particular to an arch rib installation method of a continuous rigid frame arch bridge.
Background
At present, when the arch rib of the existing porous large-span continuous rigid arch bridge is erected, a cable hoisting inclined pulling buckling hanging method is usually adopted for construction, a tower frame needs to be erected by the erecting method, the requirements on the strength, the rigidity and the stability of a large-scale high-rise structure such as the tower frame are high, the requirements on the quality and the anchoring reliability of a main cable are strict, the stress is complex, and certain construction risks exist.
When the bridge is positioned on the water surface or the bottom surface with poor geological conditions, the tower construction difficulty is high, the stability after construction is poor, and the tower is taken as the most important stressed member for erecting the arch rib, so that the potential safety hazard is extremely high.
Disclosure of Invention
The embodiment of the application provides an arch rib installation method of a continuous rigid frame arch bridge, and provides an arch rib erection method with small construction risk and wide application range.
The application provides an arch rib installation method of a continuous rigid frame arch bridge, which comprises the following steps:
s1: prefabricating a plurality of assembled bracket assemblies with different heights according to the design line type of the rigid frame arch bridge;
s2: vertically fixing a plurality of assembled bracket assemblies on a beam surface (16) of the rigid frame arch bridge, wherein the tops of the assembled bracket assemblies form a plurality of sections of radians consistent with the design line type of the rigid frame arch bridge;
s3: hoisting the arch rib section by section above the assembling support component to form an in-situ assembling section and a lifting assembling section;
s4: and lifting the lifting assembly section, and butting and assembling the lifting assembly section and the in-situ assembly section to form the rigid frame arch bridge.
In some embodiments, in step S3, after the in-situ assembled segment and the lifting assembled segment are assembled, the in-situ assembled segment and the lifting assembled segment are detected, and step S4 is performed after the detection is qualified.
In some embodiments, in step S3, during the process of hoisting the ribs to the erection support assembly section by section, the end of the preceding rib is aligned and fixed with the front end of the following rib.
In some embodiments, flanges are provided at both ends of the arch rib, and after the arch rib is lifted section by section above the splicing support assembly, the arch rib is adjusted to align the flanges at the butt end parts of two adjacent sections of the arch rib and fixed by bolts.
In some embodiments, in step S3, the arch rib is hoisted to the erection support assembly by soft slings using a crane.
In some embodiments, the erection support assembly comprises four column feet, two pairs of steel pipe columns with different heights, two distribution beams, a plurality of column diagonal connecting rods and four embedded parts; the embedded part is fixed on the beam surface, and the column foot and the steel tube stand column are fixed on the embedded part from bottom to top;
the two distribution beams are respectively arranged at the top ends of the pair of steel pipe upright columns, and the plurality of upright column inclined connecting rods are connected between the steel pipe upright column with higher height and the steel pipe upright column with lower height; the assembled support assemblies are arranged at intervals in the longitudinal bridge direction, and each assembled support assembly is equal in width to the beam surface in the transverse bridge direction.
In some embodiments, the split support assembly further comprises four saddles, each saddle is mounted on the distribution beam, each saddle has two semicircular grooves with upward openings, and the four saddles are divided into two groups and used for supporting arch ribs on two sides of the transverse bridge.
In some embodiments, the erection support assembly further comprises a connecting system, a diagonal brace and a temporary stiffening plate, wherein two ends of the connecting system are fixed between the steel pipe upright columns; the inclined strut is used for connecting the steel pipe upright post and the distribution beam;
in step S3, welding the arch rib and the saddle with the temporary stiffening plate for temporary welding fixation; in step S4, the temporary stiffening plates between the ribs and the saddles of the lift module are removed.
In some embodiments, the saddle and the distribution beam are connected through bolts, after the arch rib is lifted to the installation position on the splicing support assembly, a reverse chain is wound on the arch rib for adjusting the transverse deviation of the arch rib, and a dip steel plate can be inserted in the saddle and the distribution beam for adjusting the vertical elevation of the arch rib.
In some embodiments, jacks are further arranged on two sides of the saddle and used for lifting the saddle when the vertical elevation of the arch rib is adjusted.
The beneficial effect that technical scheme that this application provided brought includes:
the embodiment of the application provides an arch rib installation method of a continuous rigid frame arch bridge, the rigid frame arch bridge is divided into an in-situ assembling section and a lifting assembling section, and the in-situ assembling section and the lifting assembling section are assembled in a plurality of assembling bracket assemblies firstly; the installation degree of difficulty of each section of arch rib of section is assembled in the middle promotion has been reduced, the effectual time of practicing thrift arch rib and erectting, has saved the occupation time of hoist and mount machinery, and the construction risk is little, provides very big convenience, and application scope is wide.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a flowchart of a rib installation method according to an embodiment of the present application;
FIG. 2 is a schematic view of a plurality of sectional support assemblies mounted to a beam surface according to an embodiment of the present disclosure;
FIG. 3 is a schematic view of a stud rib mounted on a sectional bracket assembly according to an embodiment of the present disclosure;
FIG. 4 is a schematic view of a erector support assembly and ribs provided in accordance with an embodiment of the present application;
FIG. 5 is a view taken along line A of FIG. 3;
FIG. 6 is an enlarged view I of a portion of FIG. 4;
reference numerals: 100. assembling a support component; 1. embedding parts; 2. a column shoe; 3. a steel pipe upright post; 4. a connecting system; 5. bracing; 6. an upright column inclined connecting rod; 7. a column cap; 8. a distribution beam; 9. padding a steel plate; 10. a high-strength bolt; 11. a jack; 12. a counter-force seat; 13. a saddle; 200. an arch rib; 14. assembling sections in situ; 15. lifting the splicing section; 16. a beam surface; 17. temporarily stiffening the plate; 18. and (4) chain rewinding.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
As shown in fig. 1 and 2, the present application discloses an embodiment of a method for installing arch ribs of a continuous rigid frame arch bridge, comprising the following steps:
s1: according to the design line type of the rigid frame arch bridge, a plurality of assembling bracket assemblies 100 with different heights are prefabricated. The erection support assembly 100 is used to support the arch ribs 200 constituting the rigid frame arch bridge.
S2: vertically fixing a plurality of assembly bracket assemblies 100 on a beam surface 16 of the rigid frame arch bridge, wherein the top of the assembly bracket assemblies 100 form a plurality of sections of radians consistent with the design line type of the rigid frame arch bridge; the multiple arcs are mutually spaced and independent. As shown in fig. 2, the plurality of construction bracket assemblies 100 form three arcs independent of each other.
S3: hoisting the arch rib 200 section by section above the splicing support assembly 100 for splicing to form an in-situ splicing section 14 and a lifting splicing section 15; the in-situ assembling section 14 is more than one section, and the lifting assembling section 15 can also be more than one section. Each section of in-situ assembled section 14 and each section of lifting assembled section 15 correspond to a section of design line type of the rigid frame arch bridge respectively.
S4: and lifting the assembling section 15, and assembling the lifting assembling section and the in-situ assembling section 14 in a butt joint mode to form a complete rigid frame arch bridge. Specifically, the position of the in-situ assembled section 14 is kept unchanged, the height of the lifting assembled section 15 is increased on the basis of the in-situ assembled section 14, the lifting assembled section is in butt joint assembly with the in-situ assembled section 14, and the assembly work of all the lifting assembled sections 15 is completed, namely, the complete rigid frame arch bridge is formed.
In one embodiment, in step S3, after the in-situ assembled segment 14 and the lifted assembled segment 15 are assembled, the in-situ assembled segment 14 and the lifted assembled segment 15 are detected, and step S4 is performed after the detection is qualified. Specifically, whether the in-situ splicing section 14 and the lifting splicing section 15 are welded perfectly and qualified or not and whether the overall stress performance is qualified or not are mainly detected.
In one embodiment, during the process of hoisting the rib 200 to the erection support assembly 100 section by section, the end of the previous rib 200 is aligned and fixed with the front end of the next rib 200 in step S3.
Further, flanges are provided at both ends of the arch rib 200, and after the arch rib 200 is lifted section by section above the erection support assembly 100, the arch rib 200 is adjusted so that the flanges at the butt end portions of two adjacent sections of the arch rib 200 are aligned and fixed by bolts. The flange at the end of the front arch rib 200 is aligned with the flange at the front end of the rear arch rib 200 and fixed by bolts.
Specifically, in step S3, the arch rib 200 is lifted section by section above the erection support assembly 100, and the arch rib 200 is lifted onto the erection support assembly 100 by a soft hanging strip using a crane.
Specifically, the assembly bracket assembly 100 is a rectangular columnar structure and comprises four column feet 2, two pairs of steel pipe columns 3 with different heights, two distribution beams 8, a plurality of column inclined connecting rods 6 and four embedded parts 1; the embedded part 1 is positioned at the bottom, the embedded part 1 is fixed on a beam surface 16, the column base 2 is fixed on the embedded part 1, and the steel tube column 3 is fixed on the column base 2. The two pairs of steel pipe upright columns 3 with different heights are divided into a pair of lower steel pipe upright columns 3 and a pair of higher steel pipe upright columns 3, the lower steel pipe upright columns 3 are respectively arranged at the edges of the beam surface 16 in the transverse bridge direction, and the higher steel pipe upright columns 3 are also respectively arranged at the edges of the beam surface 16 in the transverse bridge direction. The distribution beams 8 are arranged at the top ends of the steel pipe columns 3, and the two distribution beams 8 are respectively arranged between the pair of steel pipe columns 3 with lower height and the pair of steel pipe columns 3 with higher height. The plurality of upright inclined connecting rods 6 are connected between the steel pipe upright 3 with higher height and the steel pipe upright 3 with lower height. The two distribution beams 8 are fixed horizontally.
As shown in FIG. 5, in one embodiment, a plurality of the module assemblies 100 are spaced apart in the longitudinal bridge direction, and each module assembly 100 is as wide as the beam surface 16 in the transverse bridge direction; namely, the four steel tube upright posts 3 form a rectangular frame which is arranged at two edges of the beam surface 16 along the transverse bridge direction.
As shown in fig. 4 and 5, the erection support assembly 100 further comprises four saddles 13, wherein the four saddles 13 are all mounted on the distribution beam 8, each saddle 13 has two semicircular grooves with upward openings, each saddle 13 is arranged along the transverse bridge direction, and the four saddles 13 are divided into two groups for supporting the arch ribs 200 on two sides of the transverse bridge direction.
Specifically, the width of the distribution beam 8 in the transverse bridge direction is greater than the width of the four steel pipe columns 3 in the transverse bridge direction, and the farthest distance of the arch ribs 200 on the two sides of the transverse bridge direction on the saddle 13 is equal to the width of the beam surface 16 in the transverse bridge direction.
Furthermore, the splicing support assembly 100 further comprises a connecting system 4, an inclined strut 5 and a temporary stiffening plate 17, wherein two ends of the connecting system 4 are fixed between the steel pipe upright columns 3 and used for enhancing the stability of the steel pipe upright columns 3; the inclined strut 5 is used for connecting the steel pipe upright post 3 and the distribution beam 8 to enhance the stability of the distribution beam 8, and the temporary stiffening plate 17 is used for welding the arch rib 200 and the saddle 13 into a whole. In step S3, the temporary stiffening plate 17 is used to weld the arch rib 200 and the saddle 13 for temporary welding fixation; in step S4, the temporary stiffening plates 17 between the arch ribs 200 and the saddles 13 of the lifting block 15 are removed, and the lifting work of the lifting block 15 is performed.
Preferably, transverse connecting systems are installed between the ribs 200 to increase the structural stability of the in-situ module 14 and the lift module 15.
As shown in fig. 6, the saddles 13 and the distribution beams 8 are bolted, and after the arch rib 200 is lifted to the mounting position on the erection support assembly 100, the arch rib 200 is wrapped with the inverted chain 18 for adjusting the lateral offset of the arch rib 200 so that the arch rib 200 is positioned at both lateral edges of the beam surface 16 after being projected onto the beam surface 16. One end of the inverted chain 18 is connected with the arch rib 200, and the other end is connected with the distribution beam 8, and the transverse deviation of the arch rib 200 is adjusted through manual moving. Meanwhile, a leveling steel plate 9 can be inserted into the saddle 13 and the distribution beam 8 for adjusting the vertical elevation of the arch rib 200. Specifically, when the bracket assembly 100 is assembled according to the design line type of the rigid frame arch bridge, the rough adjustment of the vertical elevation of the arch rib 200 is already realized; thereafter, fine adjustment is performed using the leveling steel plate 9. The saddle 13 and the distribution beam 8 are detachably connected and fixed through the high-strength bolt 10.
Furthermore, a jack 11 and a reaction seat 12 are arranged on two sides of the saddle 13, and the reaction seat 12 can be used for assisting in adjusting the transverse deviation of the saddle 13; the jack 11 is used to raise the saddle 13 when adjusting the vertical level of the rib 200.
According to the arch rib installation method, the rigid frame arch bridge is divided into the in-situ assembling section 14 and the lifting assembling section 15, the in-situ assembling section 14 and the lifting assembling section 15 are assembled on the assembling support assemblies 100 firstly, and the assembling support assemblies 100 are simple in structure and convenient to construct; after the assembling bracket assembly 100 is installed on the beam surface 16 according to the design line type of the rigid frame arch bridge, the arch rib 200 can be directly hoisted to the design position only by a crane through simple fine adjustment, and compared with the traditional tower with a complex structure, the assembling bracket assembly effectively reduces the construction difficulty and improves the construction efficiency; after the in-situ assembling section 14 and the lifting assembling section 15 are assembled respectively, only the lifting assembling section 15 needs to be integrally lifted and butted with the in-situ assembling section 14, so that the mounting difficulty of each section of arch rib 200 of the middle lifting assembling section 15 is greatly reduced, the erection time of the arch ribs 200 is effectively saved, the occupation time of hoisting machinery is saved, great convenience is provided, and the application range is wide.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A method for installing arch ribs of a continuous rigid frame arch bridge is characterized by comprising the following steps:
s1: according to the design line type of the rigid frame arch bridge, prefabricating a plurality of assembled bracket assemblies (100) with different heights;
s2: vertically fixing a plurality of assembled bracket assemblies (100) on a beam surface (16) of the rigid frame arch bridge, wherein the top of each assembled bracket assembly (100) forms a plurality of sections of radians consistent with the design line type of the rigid frame arch bridge;
s3: hoisting the arch rib (200) to the upper part of the assembly bracket component (100) section by section to form an in-situ assembly section (14) and a lifting assembly section (15);
s4: and lifting the lifting assembling section (15), and butting and assembling the lifting assembling section and the in-situ assembling section (14) to form the rigid frame arch bridge.
2. A method of installing a rib in a continuous rigid frame arch bridge as claimed in claim 1, wherein: in step S3, after the in-situ assembled segment (14) and the lifting assembled segment (15) are assembled, the in-situ assembled segment (14) and the lifting assembled segment (15) are detected, and step S4 is performed after the detection is qualified.
3. A method of installing a rib in a continuous rigid frame arch bridge as claimed in claim 1, wherein: in step S3, during the process of lifting the arch rib (200) to the erection support assembly (100) section by section, the end of the front arch rib (200) is aligned and fixed with the front end of the rear arch rib (200).
4. A method of installing a rib in a continuous rigid frame arch bridge as claimed in claim 3, wherein: flanges are arranged at two ends of each arch rib (200), and after the arch ribs (200) are lifted to the upper side of the assembling support component (100) section by section, the arch ribs (200) are adjusted to enable flanges at the butt joint end parts of two adjacent sections of the arch ribs (200) to be aligned and fixed through bolts.
5. A method of installing a rib in a continuous rigid frame arch bridge as claimed in claim 1, wherein: in step S3, the arch rib (200) is lifted onto the erection support assembly (100) by the soft straps using a crane.
6. A method of installing a rib in a continuous rigid frame arch bridge as claimed in claim 1, wherein: the assembly support assembly (100) comprises four column feet (2), two pairs of steel pipe columns (3) with different heights, two distribution beams (8), a plurality of column inclined connecting rods (6) and four embedded parts (1); the embedded part (1) is fixed on a beam surface (16), and the column base (2) and the steel tube upright column (3) are fixed on the embedded part (1) from bottom to top;
the two distribution beams (8) are respectively arranged at the top ends of the pair of steel pipe upright columns (3), and the plurality of upright column inclined connecting rods (6) are connected between the steel pipe upright column (3) with higher height and the steel pipe upright column (3) with lower height; the assembled bracket assemblies (100) are arranged at intervals in the longitudinal bridge direction, and each assembled bracket assembly (100) has the same width with the beam surface (16) in the transverse bridge direction.
7. A method of installing a rib in a continuous rigid frame arch bridge as claimed in claim 6, wherein: assemble bracket component (100) and still contain four saddles (13), four saddles (13) are all installed on distributive girder (8), and every saddle (13) all has two semicircular groove that open side up, and four saddles (13) divide into two sets ofly for the arch rib (200) of bearing horizontal bridge to both sides.
8. A method of installing a rib in a continuous rigid frame arch bridge as claimed in claim 7, wherein: the assembling support assembly (100) further comprises a connecting system (4), an inclined strut (5) and a temporary stiffening plate (17), wherein two ends of the connecting system (4) are fixed between the steel pipe upright posts (3); the inclined strut (5) is used for connecting the steel pipe upright post (3) and the distribution beam (8);
in step S3, welding the arch rib (200) and the saddle (13) by the temporary stiffening plate (17) for temporary welding fixation; in step S4, the temporary stiffening plates (17) between the ribs (200) and the saddles (13) of the lifting segment (15) are removed.
9. A method of installing a rib in a continuous rigid frame arch bridge as claimed in claim 7, wherein: the saddle (13) and the distribution beam (8) are connected through bolts, after the arch rib (200) is lifted to the installation position on the assembly support assembly (100), the arch rib (200) is wound by using a chain block (18) for adjusting the transverse deviation of the arch rib (200), and a shoveling steel plate (9) can be inserted into the saddle (13) and the distribution beam (8) for adjusting the vertical elevation of the arch rib (200).
10. A method of installing a rib in a continuous rigid frame arch bridge as recited in claim 8, wherein: jacks (11) are further arranged on two sides of the saddle (13) and used for lifting the saddle (13) when the vertical elevation of the arch rib (200) is adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011192374.XA CN112160253A (en) | 2020-10-30 | 2020-10-30 | Arch rib installation method of continuous rigid frame arch bridge |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011192374.XA CN112160253A (en) | 2020-10-30 | 2020-10-30 | Arch rib installation method of continuous rigid frame arch bridge |
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| CN112160253A true CN112160253A (en) | 2021-01-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114182643A (en) * | 2021-12-30 | 2022-03-15 | 中铁大桥局集团有限公司 | Bridge erecting machine and urban construction method of bent arch bridge |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6429575A (en) * | 1987-07-24 | 1989-01-31 | Okabe Co Ltd | Formwork timbering for executing arch concrete |
| CN201746778U (en) * | 2010-07-27 | 2011-02-16 | 中铁大桥局集团第三工程有限公司 | Installation regulating device for camber-type steel pipe arch bridge arch rib erection |
| CN201981483U (en) * | 2011-03-03 | 2011-09-21 | 中铁一局集团有限公司 | Reinforced concrete profiled cap beam for arch rib cast-in-place bracket |
| CN105603881A (en) * | 2016-02-24 | 2016-05-25 | 广东省交通规划设计研究院股份有限公司 | Integral erecting system for large sea-crossing arch bridge and construction method thereof |
| CN106012864B (en) * | 2016-07-27 | 2017-10-13 | 中铁上海工程局集团有限公司 | A kind of method of the overall erection ＆ lift of bridge arch rib |
| CN107447674A (en) * | 2017-09-19 | 2017-12-08 | 中铁上海工程局集团有限公司 | A kind of steel box arch rib lifting positioner and its construction method |
| CN109989349A (en) * | 2019-03-26 | 2019-07-09 | 中铁七局集团有限公司 | A kind of Continuous Beam-arch Bridge steel tube arch rib construction method of installation |
-
2020
- 2020-10-30 CN CN202011192374.XA patent/CN112160253A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6429575A (en) * | 1987-07-24 | 1989-01-31 | Okabe Co Ltd | Formwork timbering for executing arch concrete |
| CN201746778U (en) * | 2010-07-27 | 2011-02-16 | 中铁大桥局集团第三工程有限公司 | Installation regulating device for camber-type steel pipe arch bridge arch rib erection |
| CN201981483U (en) * | 2011-03-03 | 2011-09-21 | 中铁一局集团有限公司 | Reinforced concrete profiled cap beam for arch rib cast-in-place bracket |
| CN105603881A (en) * | 2016-02-24 | 2016-05-25 | 广东省交通规划设计研究院股份有限公司 | Integral erecting system for large sea-crossing arch bridge and construction method thereof |
| CN106012864B (en) * | 2016-07-27 | 2017-10-13 | 中铁上海工程局集团有限公司 | A kind of method of the overall erection ＆ lift of bridge arch rib |
| CN107447674A (en) * | 2017-09-19 | 2017-12-08 | 中铁上海工程局集团有限公司 | A kind of steel box arch rib lifting positioner and its construction method |
| CN109989349A (en) * | 2019-03-26 | 2019-07-09 | 中铁七局集团有限公司 | A kind of Continuous Beam-arch Bridge steel tube arch rib construction method of installation |
Non-Patent Citations (1)
| Title |
|---|
| 高庚元: "大跨度连续刚构拱桥拱肋安装方案研究", 《交通建设》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114182643A (en) * | 2021-12-30 | 2022-03-15 | 中铁大桥局集团有限公司 | Bridge erecting machine and urban construction method of bent arch bridge |
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