CN112962475B - Combined structure for upgrading and reconstructing bridge - Google Patents
Combined structure for upgrading and reconstructing bridge Download PDFInfo
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- CN112962475B CN112962475B CN202110198039.9A CN202110198039A CN112962475B CN 112962475 B CN112962475 B CN 112962475B CN 202110198039 A CN202110198039 A CN 202110198039A CN 112962475 B CN112962475 B CN 112962475B
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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
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
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Abstract
The invention discloses a combined structure for upgrading and reconstructing a bridge, which comprises a guardrail device, support connecting devices, fixed connecting devices, support upright post devices and a support base, wherein a fixed connecting reinforcement cage is arranged in the support base, six support connecting reinforcement cages are fixedly connected in the fixed connecting reinforcement cage through binding wires, the support connecting reinforcement cages respectively comprise eight support reinforcements, reinforced reinforcement columns are fixedly connected to the top ends of the support reinforcements, and a plurality of first connecting reinforcement rings are fixedly connected in the eight reinforced reinforcement columns at equal intervals through the binding wires. The invention has the beneficial effects that: according to the invention, the first connecting reinforcing rib and the second connecting reinforcing rib penetrate through the concrete poured outside and extend outwards, and the extending end is buried in the existing bridge foundation base, so that the connectivity between the existing bridge foundation base and the upgraded bridge foundation base is improved, and the stability and the reliability of the additionally arranged bridge foundation base are ensured.
Description
Technical Field
The invention relates to a combined structure, in particular to a combined structure for bridge upgrading and reconstruction, and belongs to the technical field of bridge upgrading and reconstruction.
Background
The bridge is strengthened, and the technical measures are taken for improving the bearing capacity and the traffic capacity of the original bridge. Besides being used for repairing the damaged bridge, the method is also used for reconstructing the original bridge. The main approaches are to increase the load capacity of the bridge and widen the roadway.
In order to improve the bearing capacity of the bridge and ensure the safety of the bridge, in the working process of widening the bridge, the supporting base can be transversely lengthened on the basis of the original bridge supporting base, and a connecting structure is added between the base and the bridge so as to improve the connectivity between the bridge and the base, and a connecting structure is added on a guardrail of the bridge so as to improve the connection between the guardrail and the bridge.
Disclosure of Invention
The invention aims to solve the problems and provide a combined structure for upgrading and reconstructing a bridge.
The invention achieves the purpose by the following technical scheme, and the combined structure for upgrading and transforming the bridge comprises a guardrail device, a support connecting device, a fixed connecting device, a support upright post device and a support base, wherein a fixed connecting reinforcement cage is arranged in the support base, six support connecting reinforcement cages are fixedly connected in the fixed connecting reinforcement cage through binding wires, the support connecting reinforcement cages respectively comprise eight support reinforcements, the top ends of the support reinforcements are fixedly connected with a reinforced reinforcement column, a plurality of first connecting reinforcement rings are fixedly connected in the eight reinforced reinforcement columns at equal intervals, a plurality of second connecting reinforcement rings are fixedly connected in the eight reinforced reinforcement columns at equal intervals through binding wires, the six second connecting reinforcement rings are fixedly connected in the outer part of the reinforced reinforcement rings, six upright post fixed supporting reinforcements are fixedly connected in the inner wall of the reinforced connection reinforcement rings, the first connecting reinforcement rings, the second connecting reinforcement rings, the reinforced reinforcement columns, the upright post fixed supporting reinforcements and the reinforced connection reinforcement rings form a fixed supporting reinforcement cage, and the top ends of the first connecting reinforcement rings are fixedly connected with a plurality of the second connecting reinforcement rings, and the first connecting reinforcement rings are fixedly connected in the fixed supporting reinforcements, the front equidistance fixedly connected with of positioning column reinforcing bar connects the stretching muscle, the both ends of connecting the stretching muscle are the first fixed stand group of fixedly connected with and the fixed stand group of second respectively, the fixed stand group of second includes six guardrail fixed steel bars, six five fixed connection reinforcing bar rings of the outside equidistance fixedly connected with of guardrail fixed steel bar.
Preferably, fixed connection steel reinforcement cage includes three base fixed steel bar ring, six vertical fixed steel bars of the inside fixedly connected with of base fixed steel bar ring, adjacent two horizontal fixed steel bars of fixedly connected with between the base fixed steel bar ring, six support the connection steel reinforcement cage through pricking silk and vertical fixed steel bar fixed connection.
Preferably, the two sides inside the base fixing reinforcing steel bar ring are fixedly connected with the two longitudinal fixing reinforcing steel bars through binding wires respectively, the four transverse fixing reinforcing steel bars are fixedly connected with the longitudinal fixing reinforcing steel bars on the two sides through binding wires respectively, and the base fixing reinforcing steel bar ring is poured inside concrete.
Preferably, six fixed stay steel reinforcement cages are buried underground in the support post device, fixed stay steel reinforcement cage and support connection steel reinforcement cage fixed connection, fixed stay steel reinforcement cage is the same with support connection steel reinforcement cage structure, the inside steel reinforcement post welding of reinforcing steel post and support connection steel reinforcement cage.
Preferably, all with two stand fixed stay reinforcing bar fixed connection the inside both sides of reinforcement connection reinforcing bar ring, all with a stand fixed stay reinforcing bar fixed connection, six at the inside two sides of the face and back of reinforcement connection reinforcing bar ring middle part stand fixed stay reinforcing bar is corresponding with six longitudinal fixity reinforcing bars, stand fixed stay reinforcing bar and longitudinal fixity reinforcing bar welding.
Preferably, the number of the first and second connecting tendons is the same within each of the fixed support cages, and the number of the reinforcing connecting tendons is the same as that of the first connecting tendons.
Preferably, first fixed steel bar ring, the fixed steel bar ring of second, first connection strengthening rib and second connection strengthening rib constitute the transverse connection steel reinforcement cage, two transverse connection steel reinforcement cages have been buried underground to fixed connection device inside, the inside strengthening rib is connected including four first connection strengthening ribs and four second of transverse connection steel reinforcement cage, first connection strengthening rib and second connection strengthening rib are all through pricking silk and fixed stay steel reinforcement cage fixed connection and outside extension, first connection strengthening rib and second connection strengthening rib outer wall are a plurality of first fixed steel bar rings of equidistance fixedly connected with respectively and the fixed steel bar ring of second.
Preferably, the equal fixedly connected with in support post device both sides top supports connecting device, seven diagonal bracing reinforcing bar groups of group have all been buried underground to support connecting device inside, diagonal bracing reinforcing bar group includes first diagonal bracing reinforcing bar, second diagonal bracing reinforcing bar and third diagonal bracing reinforcing bar, first diagonal bracing reinforcing bar, second diagonal bracing reinforcing bar and third diagonal bracing reinforcing bar all set up to "V" font, first diagonal bracing reinforcing bar, second diagonal bracing reinforcing bar and third diagonal bracing reinforcing bar are close to the one end level setting of fixed stay reinforcement cage, and link fixedly through pricking silk and fixed stay reinforcement cage and hit.
Preferably, first fixed stand group is the same with the fixed stand group structure of second, six guardrail fixed reinforcement bottom and two sets of bearing diagonal reinforcing bar group welding, four connect the stretching muscle and set up respectively between two adjacent fixed connection reinforcing bar rings, connect the stretching muscle all through pricking silk and guardrail fixed reinforcement fixed connection.
Preferably, the first fixed column group, the connecting tensile rib, the positioning column steel bars and the second fixed column group form a guardrail steel bar cage, and the guardrail steel bar cage is buried in the guardrail device.
The invention has the beneficial effects that:
the first fixing reinforcing steel bar ring, the second fixing reinforcing steel bar ring, the first connecting reinforcing ribs and the second connecting reinforcing ribs form transverse connecting reinforcing steel bar cages, two transverse connecting reinforcing steel bar cages are embedded in the fixing and connecting device, the four first connecting reinforcing ribs and the four second connecting reinforcing ribs are arranged in the transverse connecting reinforcing steel bar cages, the first connecting reinforcing ribs and the second connecting reinforcing ribs are fixedly connected with the fixing and supporting reinforcing steel bar cages through binding wires and extend outwards, the outer walls of the first connecting reinforcing ribs and the outer walls of the second connecting reinforcing ribs are fixedly connected with the first fixing reinforcing steel bar ring and the second fixing reinforcing steel bar ring at equal intervals respectively, the first connecting reinforcing ribs and the second connecting reinforcing ribs penetrate through concrete poured outside and extend outwards, the extending ends are embedded in the existing bridge base, the connectivity between the existing bridge base and the upgraded bridge base is improved, and the stability and the reliability of the additionally-arranged bridge base are guaranteed.
The top parts of two sides of the supporting column device are fixedly connected with supporting and connecting devices, seven groups of inclined supporting steel bar groups are embedded in the supporting and connecting devices, each inclined supporting steel bar group comprises a first inclined supporting steel bar, a second inclined supporting steel bar and a third inclined supporting steel bar, the first inclined supporting steel bar, the second inclined supporting steel bar and the third inclined supporting steel bar are arranged in a V shape, the included angle between the first inclined supporting steel bar, the second inclined supporting steel bar and the third inclined supporting steel bar is set to be one hundred fifty degrees, one ends, far away from the fixed supporting steel bar cage, of the first inclined supporting steel bar, the second inclined supporting steel bar and the third inclined supporting steel bar are located in the same horizontal plane with the top ends of the column fixed supporting steel bars, the first inclined supporting steel bar, the second inclined supporting steel bar and the third inclined supporting steel bar are horizontally arranged close to one end of the fixed supporting steel bar cage, and are fixedly connected with the fixed supporting steel bar cage through binding wires, the connectivity between the bridge and the base is improved, connection between the bridge plate and the base is improved, and bearing capacity of the bridge is improved.
Thirdly, the first fixed column group and the second fixed column group are identical in structure, the bottom ends of the six guardrail fixed reinforcing steel bars are welded with the two groups of inclined supporting reinforcing steel bars, four connecting stretching ribs are respectively arranged between the two adjacent fixed connecting reinforcing steel bar rings, the connecting stretching ribs are fixedly connected with the guardrail fixed reinforcing steel bars through binding wires, and the bottom ends of the positioning upright column reinforcing steel bars are welded with the top ends of the upright column fixed supporting reinforcing steel bars on the back face inside the fixed supporting reinforcing steel bar cage. First fixed stand group, connection stretching muscle, reference column reinforcing bar and the fixed stand group of second constitute guardrail steel reinforcement cage, and guardrail steel reinforcement cage buries underground inside guardrail device, and guardrail device pours on support connecting device and reference column device top, improves the connectivity between guardrail and the bridge to improve the stability that the guardrail was built, improve the protective capacities of guardrail, conveniently install the location to bridge beam slab.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the barrier device of the present invention;
FIG. 3 is a schematic view of the support connection device of the present invention;
FIG. 4 is a schematic view of the internal structure of the supporting and connecting device of the present invention;
FIG. 5 is a schematic view of the structure of the support post apparatus of the present invention;
FIG. 6 is an enlarged view of the structure at A in FIG. 4 according to the present invention;
FIG. 7 is an enlarged view of the structure at B in FIG. 5 according to the present invention;
FIG. 8 is a schematic view of a support base structure according to the present invention;
FIG. 9 is a schematic view of the internal steel structure of the support base of the present invention.
In the figure: 1. a barrier device; 2. a support connection device; 3. a fixed connection device; 4. a support post device; 5. a support base; 101. a first fixed column group; 102. connecting the stretching ribs; 103. positioning the upright column steel bar; 104. fixing steel bars on the guardrails; 105. fixedly connecting a reinforcing steel bar ring; 201. a first diagonal bracing bar; 202. a second diagonal bracing bar; 203. a third diagonal bracing bar; 301. a first fixed rebar ring; 302. a second fixed steel bar ring; 303. a first connecting reinforcing rib; 304. a second connecting reinforcing rib; 401. reinforcing the reinforced steel columns; 402. the upright posts fix and support the reinforcing steel bars; 403. a first connecting reinforcing bar ring; 404. a second connecting reinforcement ring; 405. reinforcing the connecting reinforcing steel bar ring; 501. fixedly connecting a reinforcement cage; 502. supporting and connecting a reinforcement cage; 5011. a base fixes a reinforcing steel bar ring; 5012. longitudinally fixing the reinforcing steel bars; 5013. and transversely fixing the steel bars.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-9, a combined structure for upgrading and rebuilding a bridge comprises a guardrail device 1, a support connection device 2, a fixed connection device 3, a support column device 4 and a support base 5, wherein a fixed connection reinforcement cage 501 is arranged in the support base 5, six support connection reinforcement cages 502 are fixedly connected in the fixed connection reinforcement cages 501 through binding wires, a plurality of second connection reinforcement rings 404 are fixedly connected in the eight reinforcement columns 401 at equal intervals through binding wires, a plurality of reinforcing connection reinforcement rings 405 are fixedly connected in the eight reinforcement columns 401 at equal intervals, a plurality of reinforcing connection reinforcement rings 304 are fixedly connected in the six second connection reinforcement rings 404 at equal intervals, a plurality of reinforcing connection reinforcement rings 402 are fixedly connected in the inner walls of the reinforcing connection rings 405 through binding wires, a first connection reinforcement ring 403, a second connection reinforcement ring 404, a reinforcing reinforcement column 401, a first support reinforcement ring 402 and a reinforcing connection reinforcement ring device 202 are connected in series on the top of the first connection reinforcement ring, and a plurality of reinforcing connection reinforcement rings 304 are connected in the fixed connection rings 301, the front equidistance fixedly connected with of positioning column reinforcing bar 103 connects stretching muscle 102, connects the first fixed column group 101 of fixedly connected with and the fixed column group of second respectively at stretching muscle 102's both ends, and the fixed column group of second includes six guardrail fixed reinforcing bars 104, and six guardrail fixed reinforcing bars 104 outside equidistance fixedly connected with have five fixed connection reinforcing bar rings 105.
As a technical optimization scheme of the present invention, the fixed connection reinforcement cage 501 includes three base fixing reinforcement rings 5011, six longitudinal fixing reinforcements 5012 are fixedly connected inside the base fixing reinforcement rings 5011, two transverse fixing reinforcements 5013 are fixedly connected between two adjacent base fixing reinforcement rings 5011, and six support connection reinforcement cages 502 are fixedly connected with the longitudinal fixing reinforcements 5012 through binding wires. The two inner sides of the base fixed steel bar ring 5011 are fixedly connected with the two longitudinal fixed steel bars 5012 through binding wires respectively, the four transverse fixed steel bars 5013 are fixedly connected with the longitudinal fixed steel bars 5012 on the two sides through binding wires respectively, and the base fixed steel bar ring 5011 is poured into concrete. Six fixed support steel reinforcement cages are buried underground inside the support column device 4, the fixed support steel reinforcement cages are fixedly connected with the support connecting steel reinforcement cage 502, the fixed support steel reinforcement cages are identical in structure with the support connecting steel reinforcement cage 502, and the reinforcing steel columns 401 are welded with the steel reinforcement columns inside the support connecting steel reinforcement cage 502.
As a technical optimization scheme of the present invention, both sides of the inside of the reinforcing connection steel bar ring 405 are fixedly connected to two column fixing support steel bars 402, the middle parts of the front and back surfaces of the inside of the reinforcing connection steel bar ring 405 are fixedly connected to one column fixing support steel bar 402, six column fixing support steel bars 402 correspond to six longitudinal fixing steel bars 5012, and the column fixing support steel bars 402 and the longitudinal fixing steel bars 5012 are welded. The number of first connecting tendons 403 and second connecting tendons 404 in each of the fixed support cages is the same, and the number of reinforcing connecting tendons 405 and first connecting tendons 403 is the same.
As a technical optimization scheme of the present invention, the first fixed steel bar ring 301, the second fixed steel bar ring 302, the first connecting steel bar 303 and the second connecting steel bar 304 form a transverse connecting steel bar cage, two transverse connecting steel bar cages are embedded in the fixed connection device 3, the transverse connecting steel bar cage includes four first connecting steel bar 303 and four second connecting steel bar 304 therein, the first connecting steel bar 303 and the second connecting steel bar 304 are both fixedly connected to the fixed supporting steel bar cage through binding wires and extend outward, the outer walls of the first connecting steel bar 303 and the second connecting steel bar 304 are respectively fixedly connected with a plurality of first fixed steel bar rings 301 and second fixed steel bar rings 302 at equal intervals, the first connecting steel bar 303 and the second connecting steel bar 304 penetrate through concrete poured outside and extend outward, and the extension end is embedded in the existing bridge foundation.
As a technical optimization scheme of the invention, the top parts of both sides of the support column device 4 are fixedly connected with the support connecting device 2, seven groups of inclined support steel bar groups are embedded in the support connecting device 2, each inclined support steel bar group comprises a first inclined support steel bar 201, a second inclined support steel bar 202 and a third inclined support steel bar 203, each first inclined support steel bar 201, each second inclined support steel bar 202 and each third inclined support steel bar 203 are arranged in a V shape, an included angle between each first inclined support steel bar 201, each second inclined support steel bar 202 and each third inclined support steel bar 203 is set to be one hundred fifty degrees, one ends of each first inclined support steel bar 201, each second inclined support steel bar 202 and each third inclined support steel bar 203, which are far away from the fixed support steel bar cage, are arranged in the same horizontal plane with the top end of the column fixed support steel bar 402, one ends of each first inclined support steel bar 201, each second inclined support steel bar 202 and each third inclined support steel bar 203, which are close to the fixed support steel bar cage, and are connected with the fixed support steel bar cage through binding wires.
As a technical optimization scheme of the invention, the first fixed column group 101 and the second fixed column group have the same structure, the bottom ends of six guardrail fixed steel bars 104 are welded with two groups of inclined supporting steel bars, four connecting stretching bars 102 are respectively arranged between two adjacent fixed connecting steel bar rings 105, the connecting stretching bars 102 are all fixedly connected with the guardrail fixed steel bars 104 through binding wires, and the bottom ends of the positioning column steel bars 103 are welded with the top ends of the column fixed supporting steel bars 402 on the back surface inside the fixed supporting steel bar cage. The first fixed column group 101, the connecting stretching rib 102, the positioning column steel bar 103 and the second fixed column group form a guardrail steel bar cage, the guardrail steel bar cage is buried in the guardrail device 1, and the guardrail device 1 is poured on the top ends of the supporting connecting device 2 and the supporting column device 4.
When the invention is used;
please refer to fig. 1 to 9;
performing operation one;
firstly, embedding a base steel reinforcement cage formed by a fixedly connected steel reinforcement cage 501 and a supporting and connecting steel reinforcement cage 502 in the foundation on one side of the existing bridge base, then pouring concrete in the base steel reinforcement cage until the base steel reinforcement cage is completely wrapped in the concrete;
carrying out operation two;
when the concrete poured outside the supporting base 5 is solidified, welding the upright post fixed supporting steel bars 402 of the fixed supporting steel bar cage with the longitudinal fixed steel bars 5012, and welding the reinforced steel bar column 401 with the fixed steel bars of the supporting and connecting steel bar cage 502, so that the fixed supporting steel bar cage is completely fixed on the top of the base steel bar cage;
carrying out operation three;
then, the two transverse connecting reinforcement cages are fixedly connected with the fixed supporting reinforcement cage through a first connecting reinforcement 303 and a second connecting reinforcement 304, and meanwhile, one ends, far away from the fixed supporting reinforcement cage, of the first connecting reinforcement 303 and the second connecting reinforcement 304 are inserted into the existing bridge foundation, and the first connecting reinforcement 303 and the second connecting reinforcement 304 are fixedly connected with the existing bridge foundation;
carrying out operation four;
then, the seven groups of diagonal bracing steel bar groups are respectively and fixedly connected with the fixed bracing steel bar cage through binding wires, then casting shells are built outside the fixed bracing steel bar cage, the transverse connecting steel bar cage and the seven groups of diagonal bracing steel bar groups, and concrete is cast inside, so that the supporting upright post device 4 is fixedly connected with the existing bridge foundation until the concrete is solidified;
carrying out operation five;
and finally, welding guardrail reinforcement cages on the top ends of the support column device 4 and the two support connecting devices 2 to fixedly connect the first fixed column group 101 and the second fixed column group with the support connecting devices 2, reserving connection stretching ribs 102 for guardrail connection at two ends of a guardrail pouring shell, and pouring concrete.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a be used for bridge upgrading to reform transform integrated configuration, includes guardrail device (1), supports connecting device (2), fixed connection device (3), support column device (4) and support base (5), its characterized in that: the supporting base (5) is internally provided with a fixed connecting reinforcement cage (501), the fixed connecting reinforcement cage (501) is internally fixedly connected with six supporting connecting reinforcement cages (502) through binding wires, each supporting connecting reinforcement cage (502) comprises eight supporting reinforcements, the top ends of the supporting reinforcements are fixedly connected with reinforcing reinforcement columns (401), the eight reinforcing reinforcement columns (401) are internally and fixedly connected with a plurality of first connecting reinforcement rings (403) through the binding wires at equal intervals, the eight reinforcing reinforcement columns (401) are externally and fixedly connected with a plurality of second connecting reinforcement rings (404) through the binding wires at equal intervals, and the six second connecting reinforcement rings (404) are externally and fixedly connected with reinforcing connecting reinforcement rings (405), the inner wall of the reinforcing connection reinforcing ring (405) is fixedly connected with six upright post fixed supporting reinforcing steel bars (402) through binding wires, the first connection reinforcing ring (403), the second connection reinforcing ring (404), the reinforcing steel column (401), the upright post fixed supporting reinforcing steel bars (402) and the reinforcing connection reinforcing steel ring (405) form a fixed supporting reinforcing cage, the tops of the two sides of the fixed supporting reinforcing cage are respectively and sequentially and fixedly connected with seven groups of first inclined supporting reinforcing steel bars (201), second inclined supporting reinforcing steel bars (202) and third inclined supporting reinforcing steel bars (203), the front top of the fixed supporting reinforcing cage is fixedly connected with two groups of second connection reinforcing steel bars (304), the outer wall of each second connection reinforcing steel bar (304) is fixedly connected with a plurality of second fixed reinforcing steel bars (302) at equal intervals, the outer part of the second fixed reinforcing ring (302) is fixedly connected with four first connecting reinforcing ribs (303), the outer wall of the four first connecting reinforcing ribs (303) is fixedly connected with a first fixed reinforcing ring (301), the top end of the back of the supporting column device (4) is fixedly connected with a guardrail device (1), the inner part of the guardrail device (1) is fixedly connected with a positioning column reinforcing steel bar (103), the front of the positioning column reinforcing steel bar (103) is fixedly connected with four connecting stretching bars (102) at equal intervals, the two ends of the connecting stretching bar (102) are respectively fixedly connected with a first fixed column group (101) and a second fixed column group, the second fixed column group comprises six guardrail fixed reinforcing steel bars (104), the six outer part of the guardrail fixed reinforcing steel bar (104) is fixedly connected with five fixed connecting reinforcing steel bars (105), the inner part of the supporting column device (4) is embedded with six fixed supporting reinforcing steel bar cages, the fixed supporting steel bar cages are fixedly connected with the supporting connecting reinforcing steel bar cages (502), the fixed supporting steel bar cages are the same as the supporting connecting reinforcing steel bar cages (401), and the first connecting reinforcing steel bar cages (302) and the two transverse reinforcing steel bar connecting reinforcing steel bar rings (301), the inside strengthening rib (304) of connecting including four first connection strengthening ribs (303) and four second of transverse connection steel reinforcement cage, first connection strengthening rib (303) and second connection strengthening rib (304) are all through pricking silk and fixed stay steel reinforcement cage fixed connection and outside extension, first connection strengthening rib (303) and second connection strengthening rib (304) outer wall equidistance fixedly connected with a plurality of first fixed reinforcement rings (301) and the fixed reinforcement ring of second (302) respectively, the equal fixedly connected with support connecting device (2) in support post device (4) both sides top, seven groups of bearing diagonal reinforcing bars are all buried underground to support connecting device (2) inside, bearing diagonal reinforcing bar group is including first bearing diagonal reinforcing bar (201), second bearing diagonal reinforcing bar (202) and third bearing diagonal reinforcing bar (203), first bearing diagonal reinforcing bar (201), second bearing diagonal reinforcing bar (202) and third bearing diagonal reinforcing bar (203) all set up to "V" font, first bearing diagonal reinforcing bar (201), second bearing diagonal reinforcing bar (202) and third bearing diagonal reinforcing bar (203) are close to the fixed stay steel reinforcement cage and the level and are hit the reinforcing bar and set up through pricking silk.
2. The combined structure for upgrading and reconstructing the bridge of claim 1, wherein: fixed connection steel reinforcement cage (501) include three base fixed reinforcement ring (5011), six vertical fixed reinforcement (5012), adjacent two of the inside fixedly connected with of base fixed reinforcement ring (5011) two horizontal fixed reinforcement (5013), six of fixedly connected with between base fixed reinforcement ring (5011) support connecting reinforcement cage (502) through pricking silk and vertical fixed reinforcement (5012) fixed connection.
3. The combined structure for upgrading and reconstructing the bridge of claim 2, wherein: the concrete is characterized in that two sides inside the base fixing steel bar ring (5011) are fixedly connected with two longitudinal fixing steel bars (5012) through binding wires, four transverse fixing steel bars (5013) are fixedly connected with the longitudinal fixing steel bars (5012) on two sides through binding wires, and the base fixing steel bar ring (5011) is poured inside concrete.
4. The combined structure for upgrading and reconstructing the bridge of claim 1, wherein: strengthen inside both sides of connecting reinforcing bar ring (405) all with two stand fixed stay reinforcing bars (402) fixed connection, strengthen the two sides of the face and back middle part of connecting reinforcing bar ring (405) inside all with a stand fixed stay reinforcing bar (402) fixed connection, six stand fixed stay reinforcing bar (402) are corresponding with six longitudinal fixation reinforcing bars (5012), stand fixed stay reinforcing bar (402) and longitudinal fixation reinforcing bar (5012) welding.
5. The combination structure for upgrading and reconstructing a bridge according to claim 1, wherein: the number of first connecting tendons (403) and second connecting tendons (404) inside each of the fixed support cages is the same, and the number of the reinforcing connecting tendons (405) and the number of first connecting tendons (403) are the same.
6. The combination structure for upgrading and reconstructing a bridge according to claim 1, wherein: first fixed stand group (101) are the same with the fixed stand group structure of second, six guardrail fixed reinforcement (104) bottom and two sets of bearing diagonal reinforcing bar group welding, four connect stretching muscle (102) and set up respectively between two adjacent fixed connection reinforcing bar rings (105), connect stretching muscle (102) all through pricking silk and guardrail fixed reinforcement (104) fixed connection.
7. The combination structure for upgrading and reconstructing a bridge according to claim 1, wherein: the guardrail device comprises a guardrail device body and is characterized in that the first fixed stand column group (101), the connecting stretching rib (102), the positioning stand column reinforcing steel bars (103) and the second fixed stand column group form a guardrail reinforcing cage, and the guardrail reinforcing cage is buried in the guardrail device body (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110198039.9A CN112962475B (en) | 2021-02-22 | 2021-02-22 | Combined structure for upgrading and reconstructing bridge |
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| CN202110198039.9A CN112962475B (en) | 2021-02-22 | 2021-02-22 | Combined structure for upgrading and reconstructing bridge |
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| CN104278608B (en) * | 2013-07-05 | 2016-06-08 | 杭州华水市政工程有限公司 | The constructional method of a kind of highway embankment widened structure |
| CN208440962U (en) * | 2018-05-02 | 2019-01-29 | 王华飞 | A kind of protecting against shock fracture elevated bridge |
| CN209779469U (en) * | 2019-02-14 | 2019-12-13 | 中设工程咨询(重庆)股份有限公司 | Widening and reforming structure of continuous box girder bridge |
| CN112095495A (en) * | 2020-09-30 | 2020-12-18 | 中交路桥华南工程有限公司 | Bridge underpinning support structure and construction method |
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