CN111676805A - Socket-type bracket supporting device and supporting method thereof - Google Patents
Socket-type bracket supporting device and supporting method thereof Download PDFInfo
- Publication number
- CN111676805A CN111676805A CN202010633466.0A CN202010633466A CN111676805A CN 111676805 A CN111676805 A CN 111676805A CN 202010633466 A CN202010633466 A CN 202010633466A CN 111676805 A CN111676805 A CN 111676805A
- Authority
- CN
- China
- Prior art keywords
- box
- embedded
- corbel
- plate
- deformed steel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
A socket type corbel supporting device and a supporting method thereof are provided, wherein the supporting device comprises four upper embedded parts (11) with the outer ends respectively connected with four upper anchoring parts (31) through upper connectors (111), four lower embedded parts (12) with the outer ends respectively connected with an embedded iron box (121) through lower connectors (122), a socket type corbel box (2) capable of being transversely inserted into the embedded iron box, and four lower anchoring parts (32) which are arranged at the outer end of the socket type corbel box and connected with the lower connectors through the socket type corbel box and the embedded iron box. The invention provides a novel supporting device and a supporting method for overhead bracket cast-in-place construction of a bridge superstructure, which can reduce the overhead operation time of bracket installation and removal, increase the construction efficiency and ensure the construction safety.
Description
Technical Field
The invention relates to the technical field of highway engineering construction, in particular to a novel supporting device and a supporting method thereof suitable for high-altitude bracket cast-in-place construction of a bridge superstructure.
Background
The bracket is widely applied to overhead operation construction of bridges, and the bracket is mostly used for construction in high altitude cast-in-place construction of beam bridges No. 0 blocks, side span cast-in-place, middle tie beams and the like. In the high-altitude cast-in-place construction process, the bracket takes the pier stud as a final stress point, and provides enough operation space for pier top high-altitude operation. In the traditional bracket construction process, the bracket mostly appears in the form that the profile steel bracket and an embedded part of the bracket in a pier stud are welded or connected through bolts, so that the traditional bracket has higher requirements on the service capacity and the occupational responsibility of construction operators, and meanwhile, the traditional bracket has the trouble of long-time high-altitude operation in the installation and dismantling processes and has higher potential safety hazards.
Disclosure of Invention
The invention aims to provide a socket type bracket supporting device which can be pre-processed and manufactured, is simple and convenient to install, is safe to operate and can be used in a turnover mode, so that the time of high-altitude operation for installing and detaching brackets is reduced, the construction efficiency is improved, and the construction safety is ensured. The invention also provides a supporting method of the supporting device.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a socket type corbel supporting device comprises four upper embedded parts, four lower embedded parts and four socket type corbel boxes, wherein the outer ends of the upper embedded parts are connected with four upper anchoring parts through upper connectors respectively;
the upper embedded parts comprise a deformed steel bar upper anchor rod, an inner upper backing plate sleeved on the deformed steel bar upper anchor rod and an inner upper stop nut, and the four upper embedded parts are arranged at four corners of a rectangular layout; the upper connector is an internal threaded pipe; the upper anchoring piece comprises a threaded steel upper pull rod, an upper outer base plate sleeved on the threaded steel upper pull rod and an outer upper stop nut; the outer end of the deformed steel bar upper anchor rod and the inner end of the deformed steel bar upper pull rod are respectively screwed into the inner threaded hole of the upper connector, so that the upper embedded part is connected with the upper anchoring part;
the lower embedded part comprises a deformed steel bar lower anchor rod, an inner lower backing plate sleeved on the deformed steel bar lower anchor rod and an inner lower stop nut; the lower connector is an internal threaded pipe; the embedded iron box is a rectangular section box body welded by steel plates, the outer end of the box body is open, the inner end of the box body is welded with an end plate, four embedded iron box through holes in rectangular arrangement are formed in the end plate, a lower connector is welded opposite to each embedded iron box through hole, and the inner ends of the four deformed steel bar lower anchor rods are respectively screwed into the inner thread holes of the four lower connectors to realize connection with the lower connectors;
the socket type corbel box is a suspended beam type box body structure formed by welding steel plates and comprises a rectangular inserting part capable of being transversely inserted into the embedded iron box and a bearing part which is integrated with the inserting part and has a downward extending bottom, and corbel box through holes corresponding to the embedded iron box through holes are respectively formed in the inner end plate and the outer end plate of the socket type corbel box; the lower anchor comprises a deformed steel bar lower pull rod, a lower outer base plate and an outer lower stop nut, wherein the lower outer base plate and the outer lower stop nut are sleeved on the deformed steel bar lower pull rod, and the four deformed steel bar lower pull rods transversely penetrate through the socket type bracket box and the embedded iron box and are respectively screwed into inner thread holes of the four lower connectors to realize connection with the lower connectors.
Further, the socket joint formula bracket box bears the steel sheet by two vertical chamfer L shapes that the shape size is the same around, be located two chamfer L shapes respectively and bear the roof and seal the bottom plate that steel sheet top and bottom are born in the roof that seals, be located two chamfer L shapes respectively and bear inner and outer end of steel sheet and outer end terminal plate, be located two chamfer L shapes and bear the chamfer of steel sheet chamfer face and seal the board, be located two chamfer L shapes and bear the lower extension of steel sheet corner face and seal board and grafting section and seal the board welding and form.
When the bridge is constructed in the high-altitude operation mode, the upper embedded part and the lower embedded part of the supporting device are transversely embedded in pier columns of piers, the upper embedded part is located above the lower embedded part, the inserting part of the socket type bracket box is transversely inserted into the embedded iron box, the bottom of a profile steel bracket used for construction can be directly placed on the socket type bracket box, and the top of the profile steel bracket is anchored on the upper embedded part through the anchoring device, so that the bracket is formed. The specific supporting method comprises the following steps:
firstly, pre-embedding an upper pre-embedded part and a lower pre-embedded part in a pier column according to the size and the elevation of a section steel bracket adopted in construction, screwing the head of an upper anchor rod of the deformed steel into the upper connector, and sleeving an inner upper base plate and an inner upper stop nut on the tail part of the upper anchor rod of the deformed steel; the head of the upper connector is flush with the concrete surface of the pier stud and ensures that the port of the upper connector is not blocked; screwing the head of the deformed steel lower anchor rod into the lower connector, and sleeving the tail of the deformed steel lower anchor rod with an inner lower base plate and an inner lower stop nut to anchor tightly; and the head part of the lower connector is opposite to the pre-embedded iron box through hole and is welded on the end plate, and the port of the lower connector is ensured not to be blocked. The outer end face of the embedded iron box is flush with the concrete surface of the pier stud and ensures that an opening at the outer end of the embedded iron box is not blocked;
then, inserting the tail insertion part of the socket type corbel box into the embedded iron box, sequentially penetrating a deformed steel bar lower pull rod of the lower anchor through corbel box through holes and embedded iron box through holes in an outer end plate and an inner end plate of the socket type corbel box, screwing the deformed steel bar lower pull rod into the lower connector, sleeving a lower outer base plate and an outer lower stop nut on the head part of the deformed steel bar lower pull rod, and anchoring the socket type corbel box in the embedded iron box through the deformed steel bar lower pull rod, the lower outer base plate and the outer lower stop nut;
and then, directly placing the bottom of the profile steel bracket adopted for construction on the socket joint type bracket box, anchoring the top of the profile steel bracket through an anchoring device, screwing the tail part of a deformed steel upper pull rod of the anchoring device into the upper connector, and sleeving the head part of the deformed steel upper pull rod into the upper outer base plate and the outer upper stop nut to be anchored with the top of the profile steel bracket.
The supporting device can be pre-processed and manufactured, and the inserting type bracket box, the upper anchoring piece and the lower anchoring piece are simple and convenient to mount and dismount and can be used in a circulating way. The bracket structure that forms is firm, safe and reliable.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a connection structure of a lower embedded part, a lower connector and an embedded iron box;
FIG. 3 is a right side view of the pre-buried iron box of FIG. 2;
FIG. 4 is a front view of the female corbel box;
FIG. 5 is a left side view of the female corbel box;
FIG. 6 is a right side view of the female corbel box;
FIG. 7 is a cross-sectional view A-A of FIG. 1;
fig. 8 is a schematic view illustrating the present invention mounted on a pier stud at the time of construction.
Detailed Description
Embodiments of the present invention will now be described with reference to the drawings, wherein like element numerals represent like elements of the invention. The socket type bracket supporting device provided by the invention is suitable for supporting the high-altitude bracket cast-in-place construction of the bridge superstructure, but is not limited to the structure, and can also be used in the construction process of other engineering types.
As shown in fig. 1, 2 and 3, the socket bracket supporting device comprises an upper embedded part 11 and a lower embedded part 12 which are matched with each other, and a socket bracket box 2 which is transversely inserted into the lower embedded part. The outer end of the upper embedded part is connected with an upper anchoring part 31 through an upper connector 111. The outer end of the socket bracket box is connected with a lower anchoring member 32, and the lower anchoring member is connected with the lower embedded part 12 through a lower connector 122.
The upper embedded part 11 comprises a threaded steel upper anchor rod 112, an inner upper backing plate 113 sleeved on the threaded steel upper anchor rod, and an inner upper stop nut 114. Four upper embedded parts are arranged at four corners of the rectangle in a rectangular layout. The upper connector 111 is an internally threaded tube. The upper anchoring part 31 comprises a threaded steel upper pull rod 311, an upper outer backing plate 312 and an outer upper stop nut 313, wherein the upper outer backing plate 312 and the outer upper stop nut are sleeved on the threaded steel upper pull rod, four upper anchoring parts are arranged and are respectively butted with four upper embedded parts through upper connectors, and the four upper anchoring parts are also arranged at four corners of a rectangle in a rectangular layout mode. The outer end of the deformed steel bar upper anchor rod 112 and the inner end of the deformed steel bar upper pull rod 311 are respectively screwed into the inner threaded hole of the upper connector, so that the upper embedded part is connected with the upper anchoring part.
As shown in fig. 1, 2, 3, and 7, the lower embedded part 12 includes a lower screw steel anchor rod 123, an inner lower backing plate 124 sleeved on the lower screw steel anchor rod, and an inner lower stop nut 125. Four lower embedded parts are arranged at four corners of the rectangle in a rectangular layout. The lower connector 122 is an internally threaded tube. The pre-buried iron box 121 is steel sheet welded rectangle section box body, and the outer end of box body is uncovered, and the inner welding has end plate 121a, sets up four pre-buried iron box through-holes 121b that are the rectangle overall arrangement on the end plate, just has a lower connector 122 to each pre-buried iron box through-hole welding, and four screw-thread steel down the inner screw in respectively in the internal thread hole of four lower connectors realizes being connected with lower connector.
As shown in fig. 1 to 7, the socket bracket box 2 is a cantilever box structure formed by welding steel plates, and includes a rectangular cross-section insertion part 21 capable of being transversely inserted into the embedded iron box 121 and a bearing part 22 integrated with the insertion part and extending downward from the bottom, and bracket box through holes 20 corresponding to the embedded iron box through holes 121b are respectively formed on the inner end plate and the outer end plate of the socket bracket box. Four lower anchors 32 connected with the lower connector through the socket bracket box and the embedded iron box are arranged at the outer end of the socket bracket box. The lower anchoring part 32 comprises a thread steel lower pull rod 323, a lower outer backing plate 321 sleeved on the thread steel lower pull rod and an outer lower stopping nut 322, the four lower anchoring parts are respectively butted with the four lower embedded parts through lower connectors, and the four lower anchoring parts are also arranged at four corners of a rectangle in a rectangular layout manner. Four screw-thread steel pull rods transversely penetrate through the socket-type bracket box and the embedded iron box and are respectively screwed into the internal thread holes of the four lower connectors, so that the connection with the lower connectors is realized.
The socket type corbel box 2 is formed by welding a front vertical chamfer L-shaped bearing steel plate 24, a sealing top plate 25 and a sealing bottom plate 26 which are respectively positioned at the top and the bottom of the two chamfer L-shaped bearing steel plates, an inner end plate 27 and an outer end plate 28 which are respectively positioned at the inner end and the outer end of the two chamfer L-shaped bearing steel plates, a chamfer sealing plate 23 which is positioned at the chamfer L-shaped bearing steel plate chamfer surfaces, a lower extension sealing plate 291 and an insertion section sealing plate 292 which are positioned at the chamfer L-shaped bearing steel plate chamfer surfaces. In order to improve the strength of the socket type corbel box, a chamfer L-shaped bearing steel plate can be additionally welded between a front chamfer L-shaped bearing steel plate and a rear chamfer L-shaped bearing steel plate in the box to serve as a reinforcing rib plate.
The upper connector 111 and the lower connector 122 of this embodiment are both internally threaded steel pipes having a length of 270mm, and the deformed steel bar upper anchor 112 is a phi 32 finish-rolled deformed steel bar anchor having a length of 1100 mm. The deformed steel bar lower anchor 123 is a 700mm long phi 32 finish-rolled deformed steel bar anchor. The embedded iron box 121 is formed by welding a 10mm thick steel plate, and four embedded iron box through holes 121b with the radius of 25mm and in rectangular arrangement are formed in an embedded iron box end plate. The L-shaped cutting angle bearing steel plate for manufacturing the socket type corbel box 2 is a steel plate with the thickness of 20mm, and all other sealing plates, the inner end plate and the outer end plate are steel plates with the thickness of 10 mm. Four bracket box through holes 20 with the radius of 25mm are respectively arranged on the inner end plate and the outer end plate in a rectangular layout. The deformed steel upper pull rod 311 and the deformed steel lower pull rod 323 are both made of phi 32 finish-rolled deformed steel.
The embedded part is embedded in the pier column according to the size and the elevation of the profile steel bracket used for construction, and then is used for supporting the profile steel bracket used for construction. As shown in fig. 1, 7 and 8, the supporting method comprises the following steps:
firstly, pre-burying an upper pre-buried part 11 and a lower pre-buried part 12 in a pier stud 5 according to the size and elevation of a section steel bracket 4 adopted for construction, screwing the head part of a deformed steel upper anchor rod 112 into the upper connector 111, and sleeving the tail part of the deformed steel upper anchor rod 112 with an inner upper backing plate 113 and an inner upper stop nut 114; the head of the upper connector 111 is flush with the concrete surface of the pier stud and ensures that the port of the upper connector is not blocked; screwing the head of the deformed steel lower anchor rod 123 into the lower connector 122, and sleeving the tail of the deformed steel lower anchor rod 123 with an inner lower backing plate 124 and an inner lower stop nut 125 for anchoring; the head of the lower connector 122 is opposite to the through hole 121b of the embedded iron box and welded on the end plate, and the lower connector port is ensured not to be blocked. The outer end face of the embedded iron box is flush with the concrete surface of the pier stud and the outer end opening of the embedded iron box is guaranteed not to be blocked.
Then, the inserting part 21 at the tail part of the socket type corbel box 2 is inserted into the embedded iron box 121, the deformed steel lower pull rod 323 of the lower anchor 32 sequentially passes through the corbel box through holes 20 and the embedded iron box through holes 121b on the outer end plate and the inner end plate of the socket type corbel box and is screwed into the lower connector 122, the head part of the deformed steel lower pull rod is sleeved with the lower outer backing plate 321 and the outer lower stopping nut 322 for anchoring, and the socket type corbel box 2 is anchored in the embedded iron box 121 through the deformed steel lower pull rod 323, the lower outer backing plate 321 and the outer lower stopping nut 322.
Then, the bottom of the section steel bracket 4 adopted for construction is directly placed on the socket type corbel box 2, the top of the section steel bracket is anchored through an anchoring device, the tail part of the deformed steel bar upper pull rod 311 of the anchoring device is screwed into the upper connector 111, and the head part of the deformed steel bar upper pull rod 311 is sleeved into the upper outer base plate 312 and the outer upper stop nut 313 to be anchored with the top of the section steel bracket adopted for construction.
And finally, installing other parts of the profile steel bracket adopted by construction, including a gasket, a beam distribution beam, a bottom plate and edge protection, so as to finish the installation of the bracket.
The invention provides a novel supporting device for overhead bracket cast-in-place construction of a bridge superstructure, which can reduce the overhead operation time of bracket installation and removal, increase the construction efficiency and ensure the construction safety.
While the invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not to be limited to the disclosed embodiment, but on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (3)
1. A socket type corbel supporting device is characterized by comprising four upper embedded parts (11) of which the outer ends are respectively connected with four upper anchoring parts (31) through upper connectors (111), four lower embedded parts (12) of which the outer ends are respectively connected with an embedded iron box (121) through lower connectors (122), a socket type corbel box (2) which can be transversely inserted into the embedded iron box, and four lower anchoring parts (32) which are arranged at the outer end of the socket type corbel box and connected with the lower connectors through the socket type corbel box and the embedded iron box;
the upper embedded parts (11) comprise a threaded steel upper anchor rod (112), an inner upper backing plate (113) sleeved on the threaded steel upper anchor rod and an inner upper stop nut (114), and the four upper embedded parts are arranged at four corners of a rectangular layout; the upper connector (111) is an internal threaded tube; the upper anchoring piece (31) comprises a threaded steel upper pull rod (311), an upper outer backing plate (312) sleeved on the threaded steel upper pull rod and an outer upper stop nut (313); the outer end of the deformed steel bar upper anchor rod (112) and the inner end of the deformed steel bar upper pull rod (311) are respectively screwed into the inner threaded hole of the upper connector, so that the upper embedded part is connected with the upper anchoring part;
the lower embedded part (12) comprises a threaded steel lower anchor rod (123), an inner lower backing plate (124) and an inner lower stop nut (125), wherein the inner lower backing plate is sleeved on the threaded steel lower anchor rod; the lower connector (122) is an internally threaded tube; the embedded iron box (121) is a rectangular section box body welded by steel plates, the outer end of the box body is open, the inner end of the box body is welded with an end plate (121a), four embedded iron box through holes (121b) in rectangular arrangement are formed in the end plate, a lower connector (122) is welded right opposite to each embedded iron box through hole, and the inner ends of four deformed steel bar lower anchor rods are respectively screwed into internal thread holes of the four lower connectors to realize connection with the lower connectors;
the socket type bracket box (2) is a suspended beam type box body structure formed by welding steel plates and comprises a rectangular insertion part (21) capable of being transversely inserted into the embedded iron box (121) and a bearing part (22) which is integrated with the insertion part and has a downward extending bottom, and bracket box through holes (20) corresponding to the embedded iron box through holes (121b) are respectively formed in the inner end plate and the outer end plate of the socket type bracket box; the lower anchor (32) comprises a deformed steel bar lower pull rod (323), a lower outer base plate (321) and an outer lower stop nut (322), wherein the lower outer base plate (321) and the outer lower stop nut (322) are sleeved on the deformed steel bar lower pull rod, and the four deformed steel bar lower pull rods transversely penetrate through the socket type bracket box and the embedded iron box and are respectively screwed into inner thread holes of the four lower connectors to realize connection with the lower connectors.
2. A socket corbel supporting device according to claim 1, wherein the socket corbel box (2) is formed by welding two vertical chamfer L-shaped bearing steel plates (24) with the same shape and size in front and back, a top closure plate (25) and a bottom closure plate (26) respectively positioned at the top and bottom of the two chamfer L-shaped bearing steel plates, an inner end plate (27) and an outer end plate (28) respectively positioned at the inner end and outer end of the two chamfer L-shaped bearing steel plates, a chamfer sealing plate (23) positioned at the chamfer faces of the two chamfer L-shaped bearing steel plates, a lower extension sealing plate (291) and an insert sealing plate (292) positioned at the chamfer faces of the two chamfer L-shaped bearing steel plates.
3. The method of supporting a female corbel support according to claim 1 or 2, characterized by the following method steps:
firstly, pre-embedding an upper pre-embedded part (11) and a lower pre-embedded part (12) in a pier stud (5) according to the size and elevation of a section steel bracket (4) adopted in construction, screwing the head of a deformed steel upper anchor rod (112) into an upper connector (111), and sleeving the tail of the deformed steel upper anchor rod (112) with an inner upper base plate (113) and an inner upper stop nut (114); the head of the upper connector (111) is flush with the concrete surface of the pier stud and ensures that the port of the upper connector is not blocked; screwing the head of the deformed steel lower anchor rod (123) into the lower connector (122), and sleeving the tail of the deformed steel lower anchor rod (123) with an inner lower backing plate (124) and an inner lower stop nut (125) for anchoring; the head of the lower connector (122) is opposite to the embedded iron box through hole (121b) and welded on the end plate, and the lower connector port is ensured not to be blocked. The outer end face of the embedded iron box is flush with the concrete surface of the pier stud and ensures that an opening at the outer end of the embedded iron box is not blocked;
then, inserting a tail insertion part (21) of the socket type corbel box (2) into the embedded iron box (121), sequentially penetrating a deformed steel bar lower pull rod (323) of a lower anchor (32) through corbel box through holes (20) and embedded iron box through holes (121b) on an outer end plate and an inner end plate of the socket type corbel box, screwing the deformed steel bar lower pull rod into the lower connector (122), sleeving a head part of the deformed steel bar lower pull rod with a lower outer base plate (321) and an outer lower stop nut (322) for anchoring, and anchoring the socket type corbel box in the embedded iron box (121) through the deformed steel bar lower pull rod (323), the lower outer base plate (321) and the outer lower stop nut (322);
and then, directly placing the bottom of the profile steel bracket (4) adopted in construction on the socket type corbel box (2), anchoring the top of the profile steel bracket through an anchoring device, screwing the tail part of a deformed steel bar upper pull rod (311) of the anchoring device into the upper connector (111), and sleeving the head part of the deformed steel bar upper pull rod (311) into the upper outer base plate (312) and the outer upper stop nut (313) to be anchored with the top of the profile steel bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010633466.0A CN111676805A (en) | 2020-07-02 | 2020-07-02 | Socket-type bracket supporting device and supporting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010633466.0A CN111676805A (en) | 2020-07-02 | 2020-07-02 | Socket-type bracket supporting device and supporting method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111676805A true CN111676805A (en) | 2020-09-18 |
Family
ID=72457185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010633466.0A Pending CN111676805A (en) | 2020-07-02 | 2020-07-02 | Socket-type bracket supporting device and supporting method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111676805A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112144411A (en) * | 2020-09-24 | 2020-12-29 | 中国五冶集团有限公司 | Triangular bracket structure for continuous beam bridge 0# block construction and construction method thereof |
-
2020
- 2020-07-02 CN CN202010633466.0A patent/CN111676805A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112144411A (en) * | 2020-09-24 | 2020-12-29 | 中国五冶集团有限公司 | Triangular bracket structure for continuous beam bridge 0# block construction and construction method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111676805A (en) | Socket-type bracket supporting device and supporting method thereof | |
| WO2023221439A1 (en) | Assembly-type bridge expansion and contraction joint structure that can be easily maintained, and construction method therefor | |
| CN212641178U (en) | Socket joint formula bracket strutting arrangement | |
| CN207484703U (en) | A kind of concrete embedded conduit | |
| CN205711722U (en) | A kind of packaged type bridges expansion joint | |
| CN205132137U (en) | Structure roof beam for inner floating roof | |
| KR200377908Y1 (en) | Expansion Joint Device for Rail Road Bridg | |
| CN112502281A (en) | Connecting structure and connecting method of integrated section steel and cross beam | |
| CN215164679U (en) | Ear-shaped embedded support bracket for construction of viaduct bent cap | |
| CN111877390A (en) | Large-scale tower crane basis fixing device | |
| CN212534482U (en) | Novel assembled post roof beam plate structure | |
| CN216075798U (en) | Curtain wall keel structure | |
| CN218622688U (en) | Interface waterproof construction of new and old concrete | |
| CN211690889U (en) | Assembled shear force wall | |
| CN104097252A (en) | Concrete formwork seam joint piece | |
| CN215629037U (en) | Track traffic road prefabricated component | |
| CN220057902U (en) | Positioning protection device for underground diaphragm wall embedded bar connector | |
| CN213625562U (en) | Quick mechanical connection joint device | |
| CN214696852U (en) | Beam bottom support with side mold clamping mechanism | |
| CN220598201U (en) | Bridge jacking counter-force support | |
| CN216040717U (en) | Bracket structure system for cast-in-situ flange plate of steel-concrete composite beam | |
| CN216810284U (en) | Prefabricated component and prefabricated component bolted connection structure | |
| CN213740656U (en) | Crack reinforcing equipment for road and bridge | |
| CN210888076U (en) | Prefabricated assembled aluminum alloy template installation device | |
| CN214530154U (en) | Assembled anti-seismic facility of bridge girder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |