CN114016440A - Bridge erecting method - Google Patents
Bridge erecting method Download PDFInfo
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- CN114016440A CN114016440A CN202111342461.3A CN202111342461A CN114016440A CN 114016440 A CN114016440 A CN 114016440A CN 202111342461 A CN202111342461 A CN 202111342461A CN 114016440 A CN114016440 A CN 114016440A
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 97
- 239000010959 steel Substances 0.000 claims abstract description 97
- 230000000630 rising effect Effects 0.000 claims abstract description 3
- 238000010276 construction Methods 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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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
- E01D21/10—Cantilevered erection
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Abstract
The application relates to the field of erection construction of steel trusses of cable-stayed bridges, in particular to an erection method of a bridge, which is used for the whole-stage full-cantilever erection of side spans and auxiliary spans of the steel trusses of the cable-stayed bridges. The construction method comprises the following steps of constructing side piers and auxiliary piers; constructing a beam conveying trestle and a transverse sliding way; transporting and lowering the main section of the steel truss girder and the section of the pier top steel truss girder, and storing the section of the steel truss girder in a transverse sliding way in front of the pier; erecting a main section of the steel truss girder to the front of a pier, and mounting a movable triangular support at the top of the pier; lowering the triangular support to make a rising channel for the pier top steel truss girder; erecting a triangular support, and placing a pier top steel truss girder on the movable triangular support; lowering a triangular support, lifting the steel truss girder segment in front of the pier, and connecting the steel truss girder segment with the erected steel truss girder main segment into a whole; lifting and installing the pier top steel truss girder; and repeating the steps until the erection of the steel truss girder is finished. The invention can solve the problems that the transportation and erection of the large-span cable-stayed bridge steel truss girder on the beach are inconvenient, the storage space is insufficient due to the occupation of the pier body, and the site construction risk is high in the related technology.
Description
Technical Field
The application relates to the field of erection construction of steel trusses of cable-stayed bridges, in particular to an erection method of a bridge.
Background
With the progress of bridge technology and the research and development of advanced mechanical equipment, more and more large-span cable-stayed bridges are built on rivers, lakes and seas. The cable-stayed bridge mainly comprises a cable tower, a main beam and a stay cable, wherein the main beam of the cable-stayed bridge comprises a plurality of spliced steel trussed beams positioned on the cable tower.
In the related art, a cable-stayed bridge mainly comprises a cable tower, a main beam and a stay cable, wherein the main beam of the cable-stayed bridge comprises a plurality of spliced steel trusses positioned on the cable tower, and the erection method of the steel trusses comprises a falsework frame method and a cantilever frame method, wherein the cantilever frame method is the most important construction method. The steel truss girder of the cable-stayed bridge is manufactured in a whole section factory, and the whole section is hoisted on site.
However, in the beach, due to the obstruction of the side piers and the auxiliary piers, and the large-scale crane ship cannot enter, the erection of the side span and the auxiliary span steel trussed beam of the large-span cable-stayed bridge becomes a difficult problem, the side span and the pier top steel trussed beam cannot realize the whole-section cantilever erection, and only can be assembled on a high support in a scattered manner, so that the field operation is more, and the safety risk is large.
Disclosure of Invention
The embodiment of the application provides a bridge erection method, which aims to solve the problems that in the related art, a large-span cable-stayed bridge steel truss girder on a beach is inconvenient to transport and erect, the storage space of the whole section is insufficient due to occupation of a pier body, and the site construction risk is high.
In order to achieve the above purpose, the invention provides a bridge erecting method, which is used for the whole-section full-cantilever erection of a side span and an auxiliary span steel truss girder of a cable-stayed bridge, and comprises the following steps:
s1, constructing a pile foundation of a side pier, a side pier body and a pile foundation of an auxiliary pier;
s2, constructing a beam conveying gallery between the main tower and the side piers, and respectively arranging a transverse sliding way in front of each side pier and each auxiliary pier;
s3, transporting the main steel truss girder segment and the pier top steel truss girder segment between the side pier and the main tower to a position to be assembled through a girder transporting gallery road, and placing the pier front steel truss girder segments of the side pier and the auxiliary pier on a transverse sliding way;
s4, constructing an auxiliary pier body of the auxiliary pier;
s5, erecting the stored steel truss girder main section from the main tower to the side pier direction by using a girder erection crane in a cantilever manner, and installing a movable triangular support capable of being automatically lowered at the top of the auxiliary pier before the auxiliary pier;
s6, lowering the movable triangular support to make a rising channel, and lifting the pier-top steel truss girder segment by using a girder erection crane;
s7, erecting the movable triangular support, placing the pier top steel truss girder segment on the movable triangular support, and longitudinally moving the pier top steel truss girder segment towards the side span side for a certain distance;
s8, transversely moving the pier front steel truss girder segment to a girder transporting gallery, lowering the movable triangular support again, hoisting the pier front steel truss girder segment through a girder erection crane, and connecting the pier front steel truss girder segment and the erected steel truss girder main segment into a whole;
s9, moving a girder erection crane towards the side span, lifting and installing the pier top steel truss girder segment;
s10, continuing to erect the cantilever to the front of the side pier, and repeating the steps S5-S9.
In some embodiments, a pile foundation is arranged below the transverse sliding way, a distribution beam is arranged on the top of the pile foundation, and the transverse sliding way is arranged on the distribution beam.
In some embodiments, the traversing slide is provided with a plurality of bars.
In some embodiments, the movable tripod comprises:
one end of the arm rod is rotatably connected to the side wall of the auxiliary pier top, and when the arm rod is horizontal, the arm rod and the auxiliary pier top are located on the same plane;
one end of the supporting rod is rotatably connected to the other end of the arm rod;
and the support plate is fixed on the side wall of the auxiliary pier and is used for supporting the bottom end of the stay bar.
In some embodiments, the movable tripod comprises:
one end of the arm rod is rotatably connected to the side wall of the pier top of the auxiliary pier;
one end of the supporting rod is rotatably connected to the other end of the arm rod;
the support plate is arranged on the side wall of the auxiliary pier, an accommodating space for accommodating movement of one end of the stay bar is formed in the middle of the support plate, and the direction of the support plate is consistent with that of the auxiliary pier.
In some embodiments, the movable tripod has an open state and a lowered state, and the arm bar is in the same horizontal plane with the pier top plane when the movable tripod is in the open state; when the movable triangular support is in a lowering state, the arm rod is parallel to the vertical direction of the pier body.
In some embodiments, two movable triangular supports are respectively arranged at two ends of the pier top of the auxiliary pier.
In some embodiments, prior to S5, the erection method further comprises a erection gantry crane.
In some embodiments, in S8, when the pre-pier steel truss girder segment is moved laterally to the girder transporting plank, the position of the pre-pier steel truss girder segment on the girder transporting plank is located right below the preset position of the pre-pier steel truss girder segment.
The beneficial effect that technical scheme that this application provided brought includes: the temporary storage place is provided for the pier top steel truss girder segment, the problem that the pier top steel truss girder segment is stored and erected due to occupation of the pier body is solved, and the risk of site construction is reduced.
The embodiment of the application provides a bridge erecting method, as the transverse sliding ways are arranged in front of the side piers and the auxiliary piers, the pier top steel truss girder sections can be stored on the side edges, and the problem that the storage space of the whole section is insufficient due to the occupation of pier bodies is solved; the movable triangular support is erected on the pier top, and a temporary storage space is provided for erection of the pier top steel truss girder segment, so that the problem that the pier top steel truss girder segment is stored and erected due to occupation of the pier body in the full cantilever crane frame is solved.
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 an elevation view of a step S2 of a bridge erecting method according to an embodiment of the present application;
fig. 2 is an elevation view of a step S3 of a bridge erecting method according to an embodiment of the present application;
fig. 3 is a plan view of step S3 of a bridge erecting method according to an embodiment of the present application;
fig. 4 is an elevation view of step S4 of a bridge erecting method according to an embodiment of the present application;
fig. 5 is an elevation view of step S5 of a bridge erecting method according to an embodiment of the present application;
FIG. 6 is an enlarged view of a portion of FIG. 5 at A;
fig. 7 is an elevation view of a step S6 of a bridge erecting method according to an embodiment of the present application;
fig. 8 is an elevation view of a step S7 of a bridge erecting method according to an embodiment of the present application;
fig. 9 is an elevation view of a step S8 of a bridge erecting method according to an embodiment of the present application;
fig. 10 is a plan view of step S8 of a bridge erecting method according to an embodiment of the present application;
fig. 11 is an elevation view of a step S9 of a bridge erecting method according to an embodiment of the present application;
fig. 12 is an elevation view of a cable-stayed bridge steel truss after erection is completed.
In the figure: 1. pile foundations; 2. side piers; 3. auxiliary piers; 4. a main tower; 5. a beam transporting trestle; 6. a sliding way is transversely moved; 7. a steel truss girder main section; 71. pier top steel truss sections; 72. a pre-pier steel truss beam segment; 8. a beam erecting crane; 9. a movable triangular support; 91. an arm lever; 92. a stay bar; 93. a support plate; 94. and (4) a hinge.
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.
The embodiment of the application provides a bridge erection method, which can solve the problems that in the related art, a large-span cable-stayed bridge steel truss girder on a beach is inconvenient to transport and erect, the storage space of the whole section is insufficient due to occupation of a pier body, and the site construction risk is high.
Referring to fig. 1 to 12, an embodiment of the present application provides a method for erecting a bridge, which is used for erecting a side span and an auxiliary span of a cable-stayed bridge by using a full-section full cantilever of a steel truss girder, and the specific implementation flow is as follows:
the method comprises the following steps: constructing a foundation 1 and a side pier body of a side pier 2 and a pile foundation 1 of an auxiliary pier 3;
step two: referring to fig. 1, a beam transporting gallery 5 is built between a main tower 4 and a side pier 2, and a transverse sliding chute 6 is respectively arranged in front of the side pier 2 and an auxiliary pier 3;
step three: as shown in fig. 2 and 3, the main steel truss girder segment 7 and the pier top steel truss girder segment 71 between the side pier 2 and the main tower 4 are transported to a position to be spliced through the girder transporting trestle 5 and are put down, and the pier front steel truss girder segment 72 of the side pier 2 and the auxiliary pier 3 are stored on the transverse moving slideway 6;
step four: referring to fig. 4, the auxiliary pier body of the auxiliary pier 3 is constructed;
step five: referring to fig. 5, a girder erection crane 8 is used for erecting a stored steel truss girder main section 7 from a main tower 4 to the side pier 2 in a cantilever manner, and a movable triangular support 9 capable of being automatically lowered is arranged at the top of an auxiliary pier 3 before the auxiliary pier 3;
step six: referring to figure 7, lowering the movable triangular support 9 to give way to an ascending channel, and lifting the pier-top steel truss section 71 with the girder erection crane 8;
step seven: as shown in fig. 8, the movable triangular support 9 is erected, the pier top steel truss girder segment 71 is placed on the movable triangular support 9, and the pier top steel truss girder segment 71 is longitudinally moved for a certain distance towards the side span side; the longitudinal shift distance can be seen from a comparison of fig. 8 and 9.
Step eight: referring to fig. 9 and 10, the steel truss girder segment 72 before the pier is transversely moved to the girder transporting gallery 5, the movable triangular support 9 is lowered again, the steel truss girder segment 72 before the pier is lifted by the girder erection crane 8, and is connected with the erected steel truss girder main segment 7 into a whole;
step nine: referring to fig. 11, the girder erection crane 8 is moved toward the side span, and the pier-top steel truss section 71 is lifted and installed;
step ten: and (5) continuing to erect the cantilever to the front of the side pier 2, and repeating the fifth step to the ninth step.
Optionally, a pile foundation is arranged below the lateral moving slideway 6, a distribution beam is arranged on the top of the pile foundation, and the lateral moving slideway 6 is arranged on the distribution beam. The transverse moving slideway 6 is not erected in a suspended mode, needs a pile foundation support at the bottom, and the distribution beam serves as a placement point of the transverse moving slideway 6.
Alternatively, the traverse slide 6 is provided with a plurality of pieces. The sideslip slide 6 is used for temporarily storing the steel truss girder segment 72 in front of the pier, and the problem of storing the girder is solved. Referring to fig. 3, the traverse slide 6 may be provided in two. Of course, the plurality of the transverse moving slideways 6 can also be arranged, thereby providing powerful support for storing the steel trusses.
Optionally, the movable triangular support 9 used in the method includes:
one end of the arm rod 91 is rotatably connected to the side wall of the pier top of the auxiliary pier 3, and when the arm rod 91 is horizontal, the arm rod 91 and the pier top of the auxiliary pier 3 are positioned on the same plane;
a stay 92, one end of the stay 92 is rotatably connected to the other end of the arm lever 91;
and support plates 93, the support plates 93 are fixed on the side walls of the auxiliary piers 3 and are used for supporting the bottom ends of the stay bars 92.
Specifically, referring to fig. 6, the arm 91 is connected to the pier top edge and the stay 92 is connected to the arm 91 by a hinge 94. The arm 91 is used for temporarily storing the pier top steel truss girder section 71 and the pier front steel truss girder section 72, and the arm 91 and the stay bar 92 together with the pier wall form a triangular structure which has stability. When the movable triangular support 9 needs to be supported, taking up one end of the support rod 92 which is not connected with the arm rod 91, and placing the end on the top end of the protrusion of the support plate 93; when the movable triangular support 9 needs to be lowered, the stay bar 92 is moved for a certain distance to be separated from the upper edge of the support plate 93. The support plate 93 is used for limiting the stay rod 92, wherein the support plate 93 is not limited in shape, and may be a rectangular plate or a protrusion enough to limit the stay rod 92.
Optionally, the mobile triangular support 9 comprises:
one end of the arm rod 91 is rotatably connected to the side wall of the pier top of the auxiliary pier 3;
a stay 92, one end of the stay 92 is rotatably connected to the other end of the arm lever 91;
the support plate 93 is arranged on the side wall of the auxiliary pier 3, an accommodating space for accommodating movement of one end of the stay rod 92 is formed in the middle of the support plate 93, and the direction of the support plate 93 is consistent with that of the auxiliary pier.
Specifically, the arm 91 is connected to the pier top edge, and the stay 92 is connected to the arm 91 by a hinge 94. The above-mentioned housing space is not shown in the drawings, and is only one embodiment of the method of the present application. In one embodiment, the accommodating space is a slide way in the up-down direction, the stay bar 92 can slide up and down in the slide way, when the movable triangular support 9 needs to be erected, one end of the stay bar 92 slides to the topmost end of the slide way and then is fixed, and the arm bar 91 is in a horizontal state; when activity A-frame 9 need transfer, cancel fixed vaulting pole 92 originally and fix, then slide it to the bottommost of slide, arm pole 91 and pier shaft side laminating this moment.
Alternatively, the movable tripod 9 has an open state and a lowered state, and as shown in fig. 7 and 8, when the movable tripod 9 is in the open state, the arm 91 is at the same level as the pier top plane; when the movable triangular support 9 is in a lowering state, the arm 91 is parallel to the vertical direction of the pier body.
In particular, when the mobile tripod 9 is open, it is used for storage of the pier top steel truss section 71 and the pier front steel truss section 72; when the mobile tripod 9 is lowered it is used to provide access for the girder crane 8 to lift the pier top steel truss section 71 and the pier front steel truss section 72.
Optionally, two movable triangular supports 9 are respectively arranged at two ends of the pier top of the auxiliary pier 3.
Specifically, as shown in fig. 5 and 6, after being lifted from the right side, the pier top steel truss girder segment 71 is placed on the movable triangular support 9 and the pier top of the auxiliary pier 3, and needs to move a certain distance to the left to reserve a distance for installing the pier front steel truss girder segment 72, and the distance does not need to be too large
Optionally, prior to step 5, the erection method further comprises a erection gantry crane 8. The girder erection crane 8 is used for hoisting the main steel truss girder section 7, the pier top steel truss girder section 71, the pier front steel truss girder section 72 and the like in the subsequent steps.
Optionally, in step 8, when the pre-pier steel truss girder segment 72 is moved transversely to the girder transporting gallery 5, the position of the pre-pier steel truss girder segment 72 on the girder transporting gallery 5 is located right below the preset position of the pre-pier steel truss girder segment 72. Specifically, referring to fig. 10, after the pier-top steel truss section 71 is placed on the movable triangular supports 9 in step 7, the pier-top steel truss section 71 is longitudinally moved sideways by a distance in order to reserve an installation position for the pier-front steel truss section 72.
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 (9)
1. A bridge erecting method is used for full-section cantilever erection of side spans and auxiliary spans of cable-stayed bridges and steel trusses and is characterized by comprising the following steps:
s1, constructing a pile foundation (1) and a side pier body of a side pier (2) and a pile foundation (1) of an auxiliary pier (3);
s2, building a beam conveying gallery road (5) between the main tower (4) and the side piers (2), and respectively arranging a transverse sliding way (6) in front of each side pier (2) and each auxiliary pier (3);
s3, transporting the main steel truss girder segment (7) and the pier top steel truss girder segment (71) between the side pier (2) and the main tower (4) to a position to be assembled through a girder transporting trestle (5) and placing the main steel truss girder segment and the pier top steel truss girder segment (71) downwards, and storing the pier front steel truss girder segments (72) of the side pier (2) and the auxiliary pier (3) on a transverse sliding way (6);
s4, constructing an auxiliary pier body of the auxiliary pier (3);
s5, a stored steel truss girder main section (7) is erected in a cantilever mode from the main tower (4) to the side pier (2) through a girder erection crane (8), and a movable triangular support (9) capable of being automatically lowered is installed at the top of the auxiliary pier (3) before the auxiliary pier (3);
s6, lowering the movable triangular support (9) to make a rising channel, and lifting the pier-top steel truss girder segment (71) by a girder erection crane (8);
s7, erecting the movable triangular support (9), placing the pier top steel truss girder segment (71) on the movable triangular support (9), and longitudinally moving the pier top steel truss girder segment (71) towards the side span side for a certain distance;
s8, transversely moving the pier front steel truss girder segment (72) to a girder transporting gallery road (5), lowering a movable triangular support (9) again, hoisting the pier front steel truss girder segment (72) through a girder erection crane (8), and connecting the pier front steel truss girder segment and the erected steel truss girder main segment (7) into a whole;
s9, moving a girder erection crane (8) towards the side span, and lifting and installing a pier top steel truss girder segment (71);
s10, continuing to erect the cantilever to the side pier (2), and repeating the steps S5-S9.
2. A method of erecting a bridge according to claim 1, wherein: a pile foundation is arranged below the transverse moving slideway (6), a distribution beam is arranged at the top of the pile foundation, and the transverse moving slideway (6) is arranged on the distribution beam.
3. A method of erecting a bridge according to claim 2, wherein: the transverse moving slideway (6) is provided with a plurality of transverse moving slideways.
4. Method for erecting a bridge according to claim 1, wherein said mobile triangular supports (9) comprise:
one end of the arm rod (91) is rotatably connected to the side wall of the pier top of the auxiliary pier (3), and when the arm rod (91) is horizontal, the arm rod (91) and the pier top of the auxiliary pier (3) are positioned on the same plane;
a stay bar (92), one end of the stay bar (92) is rotatably connected to the other end of the arm bar (91);
and the support plate (93) is fixed on the side wall of the auxiliary pier (3) and is used for supporting the bottom end of the stay bar (92).
5. Method for erecting a bridge according to claim 1, wherein said mobile triangular supports (9) comprise:
one end of the arm rod (91) is rotatably connected to the side wall of the pier top of the auxiliary pier (3);
a stay bar (92), one end of the stay bar (92) is rotatably connected to the other end of the arm bar (91);
the support plate (93) is arranged on the side wall of the auxiliary pier (3), an accommodating space for accommodating movement of one end of the stay bar (92) is formed in the middle of the support plate (93), and the direction of the support plate (93) is consistent with that of the auxiliary pier.
6. A method of erecting a bridge according to claim 4 or 5, wherein: the movable triangular support (9) has an open state and a lower-lying state, and when the movable triangular support (9) is in the open state, the arm rod (91) and the pier top plane are in the same horizontal plane; when the movable triangular support (9) is in a downward state, the arm rod (91) is parallel to the vertical direction of the pier body.
7. A method of erecting a bridge according to claim 1, wherein: the number of the movable triangular supports (9) is two, and the two movable triangular supports are respectively arranged at two ends of the pier top of the auxiliary pier (3).
8. A method of erecting a bridge according to claim 1, wherein: prior to S5, the erection method further includes a erection gantry crane (8).
9. A method of erecting a bridge according to claim 1, wherein: in the step S8, when the pre-pier steel truss girder segment (72) is moved laterally to the girder transporting plank road (5), the position of the pre-pier steel truss girder segment (72) on the girder transporting plank road (5) is located right below the preset position of the pre-pier steel truss girder segment (72).
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4799279A (en) * | 1985-12-02 | 1989-01-24 | Figg And Muller Engineers, Inc. | Method of constructing the approach and main spans of a cable stayed segmental bridge |
| CN105317008A (en) * | 2015-09-08 | 2016-02-10 | 贵州省公路工程集团有限公司 | An overall lifting transport method of steel truss girder sections of a steel truss girder cable-stayed bridge |
| CN109183620A (en) * | 2018-09-05 | 2019-01-11 | 广东省长大公路工程有限公司 | Telescoping bracket, steel box-girder hanging device and hanging method |
| CN110820582A (en) * | 2019-11-19 | 2020-02-21 | 中铁大桥局集团有限公司 | Method for erecting steel truss girder of cable-stayed bridge |
| CN112695649A (en) * | 2020-12-18 | 2021-04-23 | 中铁大桥局集团有限公司 | Method for erecting whole-segment symmetrical double cantilevers of steel truss girder of large-span cable-stayed bridge on beach |
-
2021
- 2021-11-12 CN CN202111342461.3A patent/CN114016440A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4799279A (en) * | 1985-12-02 | 1989-01-24 | Figg And Muller Engineers, Inc. | Method of constructing the approach and main spans of a cable stayed segmental bridge |
| CN105317008A (en) * | 2015-09-08 | 2016-02-10 | 贵州省公路工程集团有限公司 | An overall lifting transport method of steel truss girder sections of a steel truss girder cable-stayed bridge |
| CN109183620A (en) * | 2018-09-05 | 2019-01-11 | 广东省长大公路工程有限公司 | Telescoping bracket, steel box-girder hanging device and hanging method |
| CN110820582A (en) * | 2019-11-19 | 2020-02-21 | 中铁大桥局集团有限公司 | Method for erecting steel truss girder of cable-stayed bridge |
| CN112695649A (en) * | 2020-12-18 | 2021-04-23 | 中铁大桥局集团有限公司 | Method for erecting whole-segment symmetrical double cantilevers of steel truss girder of large-span cable-stayed bridge on beach |
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Application publication date: 20220208 |