CN114134812A - Construction method of in-water support dismantling system for cast-in-place bridge steel pipe pile - Google Patents
Construction method of in-water support dismantling system for cast-in-place bridge steel pipe pile Download PDFInfo
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- CN114134812A CN114134812A CN202111250796.2A CN202111250796A CN114134812A CN 114134812 A CN114134812 A CN 114134812A CN 202111250796 A CN202111250796 A CN 202111250796A CN 114134812 A CN114134812 A CN 114134812A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 47
- 239000010959 steel Substances 0.000 title claims abstract description 47
- 238000010276 construction Methods 0.000 title claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title description 2
- 239000000725 suspension Substances 0.000 claims abstract description 42
- 238000000034 method Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 7
- 239000004576 sand Substances 0.000 description 7
- 238000009826 distribution Methods 0.000 description 5
- 238000007599 discharging Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005303 weighing 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
Abstract
The application relates to a construction method of a cast-in-place bridge steel pipe pile underwater support dismantling system, which belongs to the technical field of bridge engineering and comprises the following steps: s1, when the cast-in-place beam is constructed, preformed holes are formed in the positions, facing two ends of each bearing beam, of the cast-in-place beam; s2, after the concrete of the cast-in-place beam reaches the form removal strength, erecting two cross beams at the position of a preformed hole of the cast-in-place beam, and erecting a support beam above the cross beams; s3, each preformed hole is internally provided with a suspension rod, the top end of each suspension rod penetrates through a support beam, the bottom end of each suspension rod penetrates through a bearing beam and is fixed with a support block, and the support beam is provided with a driving assembly for driving the suspension rod to move up and down; s4, when the support is dismantled, the steel pipe pile and the bearing beam are firstly dismantled, and at the moment, the bearing beam is lifted by the hanging rod; and S5, driving the suspension rod to move downwards by the driving assembly, moving the supporting blocks along with the suspension rod, and descending the bearing beam along with the supporting blocks until the bearing beam descends to the ground. This application has the effect that demolishs speed of improvement support.
Description
Technical Field
The application relates to the technical field of bridge engineering, in particular to a construction method of a cast-in-place bridge steel pipe pile underwater support dismantling system.
Background
At present, a steel pipe pile is often used as a support platform foundation for a cast-in-place beam of an underwater bridge. In the early stage, the construction speed is high because the construction is not restricted by height and space. When the steel pipe pile support is used for construction, a sand unloading cylinder is usually arranged at the top of the steel pipe pile, a bearing beam is erected on the sand unloading cylinder, a Bailey beam is erected on the bearing beam, a distribution beam is erected on the Bailey beam, and a cast-in-place beam construction template is installed on the distribution beam. And when the support is dismantled after the cast-in-place beam is constructed, the height of the support is reduced by discharging sand from the sand discharging barrel, then the upper structure of the support is dismantled from top to bottom in sequence by adopting hoisting equipment, and finally the steel pipe pile is dismantled.
The support dismantling method needs to synchronously control the sand discharging amount of each sand cylinder to be consistent when the sand discharging cylinder descends, construction is slow, and support dismantling efficiency is low.
Disclosure of Invention
In order to improve the dismantling speed of the support, the application provides a construction method of a cast-in-place bridge steel pipe pile underwater support dismantling system.
The application provides a construction method of a cast-in-place bridge steel pipe pile underwater support dismantling system, which adopts the following technical scheme:
a construction method of a cast-in-place bridge steel pipe pile underwater support dismantling system comprises the following steps:
s1, when the cast-in-place beam is constructed, preformed holes are formed in the positions, facing two ends of each bearing beam, of the cast-in-place beam;
s2, after the concrete of the cast-in-place beam reaches the form removal strength, erecting two cross beams at the position of a preformed hole of the cast-in-place beam, erecting a support beam above the cross beams, and arranging the length direction of the support beam to be vertical to the length direction of the cast-in-place beam;
s3, each preformed hole is internally provided with a suspension rod, the top end of each suspension rod penetrates through a support beam, the bottom end of each suspension rod penetrates through a bearing beam and is fixed with a support block, and the support beam is provided with a driving assembly for driving the suspension rod to move up and down;
s4, when the support is dismantled, the steel pipe pile and the bearing beam are firstly dismantled, the steel pipe pile is moved away from the lower part of the bearing beam, the lower part of the bearing beam is suspended, and the bearing beam is lifted by the suspension rod;
and S5, driving the suspension rod to move downwards by the driving assembly, moving the supporting blocks along with the suspension rod, descending the supporting blocks and descending the bearing beam along with the suspension rod until the bearing beam descends to the ground.
By adopting the technical scheme, when the support is dismantled, the steel pipe pile is firstly dismantled to separate the steel pipe pile from the weighing beam, then the driving assembly drives the suspender to move downwards, the suspender drives the supporting block to move downwards, and the bearing beam also moves downwards along with the suspender, so that the whole support moves downwards along with the whole bearing beam until the whole support descends to the ground.
Optionally, the following steps are added between step S3 and step S4:
s1, a first mounting plate and a second mounting plate are fixed on the supporting beam, the top end of the suspender penetrates through the second mounting support plate, and the second mounting plate is connected with the suspender in a sliding manner.
Through adopting above-mentioned technical scheme, the second mounting panel is run through on the top of jib, and the stability of jib can be increased to the second mounting panel.
Optionally, the following steps are added between step S3 and step S4: s1, a guide rod is arranged between the bearing beam and the cast-in-place beam, the guide rod comprises a first rod body and a second rod body sleeved with the first rod body, the first rod body and the second rod body can stretch out and draw back, the first rod body is connected with the cast-in-place beam through a bolt, and the second rod body is connected with the bearing beam through a bolt.
Through adopting above-mentioned technical scheme, when the jib moves down, the second body of rod also moves down, and the second body of rod cup joints with the first body of rod, makes the spandrel girder steady decline, and difficult production rocks.
Optionally, threaded connection has the stopper on the jib, the stopper be located the top of second mounting panel and with the second mounting panel butt.
Through adopting above-mentioned technical scheme, the stopper plays spacing effect to the jib, and at the in-process that the jib removed downwards, the stopper can prevent that the jib from breaking away from the second mounting panel.
Optionally, a strip hole is formed in the outer wall of the first rod body, a locking rod is fixed to the outer wall of the second rod body, the locking rod penetrates through the strip hole, a fixing nut is connected to the locking rod through threads, and the fixing nut abuts against the outer wall of the first rod body.
Through adopting above-mentioned technical scheme, when the jib descends to certain height, need stop if meetting emergency, screw up fixation nut, make fixation nut advance the outer wall of the first body of rod to it is fixed with the first body of rod and the second body of rod, can reduce the possibility of jib downstream.
Optionally, the driving assembly comprises a first bevel gear, a second bevel gear and a driving motor, the first bevel gear is rotatably connected with the supporting beam, a rotating block is fixed on one side of the first bevel gear, which is close to the supporting beam, a mounting hole is formed in the supporting beam, the rotating block is located in the mounting hole, the second bevel gear is meshed with the first bevel gear, and the driving motor drives the second bevel gear.
Through adopting above-mentioned technical scheme, when needs drive spandrel girder downstream, driving motor drive second bevel gear rotates, and second bevel gear drives first bevel gear and rotates, and first bevel gear drives the jib downstream, and the supporting shoe moves along with the jib, then the spandrel girder moves down along with the supporting shoe, and the spandrel girder downstream drives whole support downstream.
Optionally, a mounting groove is formed in the top of the steel pipe pile, the length direction of the mounting groove is perpendicular to the length direction of the cast-in-place beam, a mounting block is fixed to one side, close to the steel pipe pile, of the bearing beam, and the mounting block is in plug-in fit with the mounting groove.
Through adopting above-mentioned technical scheme, installation piece and mounting groove are pegged graft and are cooperated, are convenient for to the installation and the location of spandrel girder.
Optionally, a locking bolt is arranged on the steel pipe pile, the locking bolt penetrates through the steel pipe pile and the mounting block, a locking nut is connected to the locking bolt in a threaded manner, and the mounting block and the steel pipe pile are fixed through the locking bolt and the locking nut.
Through adopting above-mentioned technical scheme, installation piece and steel-pipe pile pass through locking bolt and lock nut are fixed, and the convenience is dismantled the steel-pipe pile, has improved the efficiency of dismantling.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the driving assembly drives the suspension rod to move downwards, the suspension rod drives the supporting block to move downwards, and the bearing beam also moves downwards along with the suspension rod, so that the whole support moves downwards along with the whole bearing beam until the support descends to the ground;
2. the limiting block plays a limiting role in the suspension rod, and the limiting block can prevent the suspension rod from being separated from the second mounting plate in the process of downward movement of the suspension rod.
Drawings
Fig. 1 is a schematic view of the overall structure embodying the present application.
Fig. 2 is a schematic view showing a steel pipe pile and a mounting groove in the present application.
Fig. 3 is a schematic view of a beam and boom embodying the present application.
Fig. 4 is a schematic view of a drive assembly embodying the present application.
FIG. 5 is a schematic view of a first rod and a second rod embodying the present invention.
Description of reference numerals: 1. steel pipe piles; 11. mounting grooves; 12. locking the bolt; 13. locking the nut; 2. a spandrel girder; 21. mounting blocks; 22. a support plate; 3. a Bailey beam; 4. a distribution beam; 5. casting a beam in situ; 51. a boom; 52. a support block; 6. a cross beam; 61. a support beam; 611. mounting holes; 62. mounting a plate; 621. a first mounting plate; 622. a second mounting plate; 63. a limiting block; 7. a drive assembly; 71. a first bevel gear; 711. rotating the block; 72. a second bevel gear; 73. a drive motor; 8. a guide bar; 81. a first rod body; 811. a strip hole; 82. a second rod body; 83. a locking lever; 84. and (5) fixing the nut.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses a construction method of a cast-in-place bridge steel pipe pile 1 underwater support dismantling system, referring to fig. 1, the lower structure of a cast-in-place beam 5 construction support comprises a steel pipe pile 1, the top of the steel pipe pile 1 is connected with a bearing beam 2, the top of the bearing beam 2 is fixed with a support plate 22, one side, away from the bearing beam 2, of the support plate 22 is provided with a Bailey beam 3, the top of the Bailey beam 3 is connected with a distribution beam 4, and the cast-in-place beam 5 is arranged above the distribution beam 4.
Referring to fig. 2, mounting groove 11 has all been seted up at the top of every steel-pipe pile 1, the length direction of mounting groove 11 sets up with spandrel girder 2's length direction is perpendicular, one side that spandrel girder 2 is close to steel-pipe pile 1 is fixed with a plurality of installation pieces 21, every installation piece 21 is pegged graft with every mounting groove 11, the top of steel-pipe pile 1 is provided with locking bolt 12, locking bolt 12 runs through steel-pipe pile 1 and installation piece 21, locking bolt 12's one end is provided with lock nut 13, screw up lock nut 13 after, installation piece 21 is fixed with steel-pipe pile 1, it is fixed through lock bolt 12 and lock nut 13, be convenient for dismantle steel-pipe pile 1.
The cast-in-place roof beam 5 is provided with the preformed hole in the position that faces the both ends of spandrel girder 2, wears to be equipped with jib 51 in the preformed hole, and jib 51 is the threaded rod, and the bottom of jib 51 runs through spandrel girder 2, jib 51 and spandrel girder 2 sliding connection, and the bottom of jib 51 is fixed with supporting shoe 52, and supporting shoe 52 is located the below of spandrel girder 2, plays the effect of supporting to spandrel girder 2.
Referring to fig. 2 and 3, two cross beams 6 are erected at the positions of the reserved holes on the top surface of the cast-in-place beam 5, the length direction of each cross beam 6 is perpendicular to the length direction of the cast-in-place beam 5, a support beam 61 is erected on each cross beam 6, a hanger rod 51 upwards penetrates through each support beam 61, a driving assembly 7 is installed on each support beam 61, and each driving assembly 7 can drive each hanger rod 51 to move upwards or downwards.
Referring to fig. 4, the driving assembly 7 includes a first bevel gear 71, a second bevel gear 72 and a driving motor 73, the first bevel gear 71 is rotatably connected to the supporting beam 61, a rotating block 711 is fixed on a side of the first bevel gear 71 close to the supporting beam 61, a mounting hole 611 for the rotating block 711 to rotate is formed in the supporting beam 61, and when the first bevel gear 71 rotates, the rotating block 711 rotates in the mounting hole 611, so that stability of the first bevel gear 71 during rotation is ensured.
The first bevel gear 71 is in threaded connection with the suspension rod 51, the second bevel gear 72 is meshed with the first bevel gear 71, the driving motor 73 is fixed on the support beam 61, the driving motor 73 drives the second bevel gear 72 to rotate, the second bevel gear 72 drives the first bevel gear 71 to rotate, and the first bevel gear 71 drives the suspension rod 51 to move upwards or downwards.
Be provided with mounting panel 62 on a supporting beam 61, mounting panel 62 includes first mounting panel 621 and second mounting panel 622, first mounting panel 621 is fixed with a supporting beam 61, second mounting panel 622 is fixed at the top of first mounting panel 621 and is set up perpendicularly with first mounting panel 621 board, second mounting panel 622 is run through at the top of jib 51, threaded connection has stopper 63 on jib 51, stopper 63 is located the top of second mounting panel 622, stopper 63 and second mounting panel 622 butt, stopper 63 can play spacing effect to jib 51, reduce the possibility that jib 51 moved down. When the suspension rod 51 needs to move downwards, the limiting block 63 is firstly screwed, the limiting block 63 moves upwards, and then the suspension rod 51 can move downwards. The second mounting plate 622 supports the boom 51, increasing the stability of the boom 51.
Referring to fig. 2 and 5, a guide bar 8 is provided at one side of each hanger bar 51, and the guide bar 8 is located between the load beam 2 and the cast-in-place beam 5. The guide rod 8 comprises a first rod body 81 and a second rod body 82, the cross sections of the first rod body 81 and the second rod body 82 are square, the first rod body 81 is sleeved on the second rod body 82, and the first rod body 81 is connected with the second rod body 82 in a sliding mode. One side of the first rod 81, which is far away from the second rod 82, is fixed with the cast-in-place beam 5 through a bolt, and one side of the second rod 82, which is far away from the first rod 81, is fixed with the bearing beam 2 through a bolt.
The side wall of the first rod body 81 is provided with a strip hole 811, the second rod body 82 is fixed with a locking rod 83, the locking rod 83 is a threaded rod, the locking rod 83 penetrates through the strip hole 811, one side of the locking rod 83, far away from the second rod body 82, is in threaded connection with a fixing nut 84, and the fixing nut 84 abuts against the side wall of the first rod body 81. When the suspension rod 51 needs to be moved, the fixing nut 84 is firstly unscrewed, and when the suspension rod 51 moves, the bearing beam 2 moves along with the suspension rod, and the bearing beam 2 drives the second rod body 82 to move. The arrangement of the second rod 82 and the first rod 81 increases the stability of the load beam 2 during movement.
The construction method of the cast-in-place bridge steel pipe pile underwater support dismantling system comprises the following steps:
s1, arranging reserved holes at positions, facing two ends of each bearing beam 2, of the cast-in-place beams 5 during construction of the cast-in-place beams 5;
s2, after the concrete of the cast-in-place beam 5 reaches the form removal strength, erecting two cross beams 6 at the positions of the reserved holes of the cast-in-place beam 5, erecting a support beam 61 above the cross beams 6, and arranging the length direction of the support beam 61 to be vertical to the length direction of the cast-in-place beam 5;
s3, a suspension rod 51 is arranged in each preformed hole, the top end of the suspension rod 51 penetrates through the support beam 61, the bottom end of the suspension rod 51 penetrates through the bearing beam 2 and is fixed with a support block 52, and a driving assembly 7 for driving the suspension rod 51 to move up and down is arranged on the support beam 61;
s4, a first mounting plate 621 and a second mounting plate 622 are fixed on the support beam 61, and the top end of the suspender 51 penetrates through the second mounting plate 622 and is in threaded connection with a limit block 63;
s5, a guide rod 8 is arranged between the bearing beam 2 and the cast-in-place beam 5, the guide rod 8 comprises a first rod body 81 and a second rod body 82 sleeved with the first rod body 81, the first rod body 81 and the second rod body 82 can stretch and retract, the first rod body 81 is connected with the cast-in-place beam 5 through a bolt, and the second rod body 82 is connected with the bearing beam 2 through a bolt;
s6, when the steel pipe pile 1 is dismantled, the steel pipe pile 1 and the bearing beam 2 are firstly dismantled, the steel pipe pile 1 is moved away from the lower part of the bearing beam 2, the lower part of the bearing beam 2 is suspended, and at the moment, the bearing beam 2 is lifted by the hanger rod 51;
s7, then the limiting block 63 is screwed, the limiting block 63 is moved towards the direction in which the suspension rod 51 is far away from the second mounting plate 622, then the driving assembly 7 drives the suspension rod 51 to move downwards, the supporting block 52 moves along with the suspension rod 51, the supporting block 52 descends, and the bearing beam 2 also descends along with the movement until the bearing beam 2 descends to the ground.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A construction method of a cast-in-place bridge steel pipe pile underwater support dismantling system is characterized by comprising the following steps: the method comprises the following steps:
s1, arranging reserved holes at positions, facing two ends of each bearing beam (2), of the cast-in-place beams (5) during construction of the cast-in-place beams (5);
s2, after the concrete of the cast-in-place beam (5) reaches the form removal strength, erecting two cross beams (6) at the positions of the reserved holes of the cast-in-place beam (5), erecting a support beam (61) above the cross beams (6), wherein the length direction of the support beam (61) is vertical to the length direction of the cast-in-place beam (5);
s3, a suspension rod (51) is arranged in each preformed hole, the top end of the suspension rod (51) penetrates through the supporting beam (61), the bottom end of the suspension rod (51) penetrates through the bearing beam (2) and is fixed with a supporting block (52), and a driving assembly (7) for driving the suspension rod (51) to move up and down is arranged on the supporting beam (61);
s4, when the support is dismantled, the steel pipe pile (1) and the bearing beam (2) are firstly disassembled, the steel pipe pile (1) is moved away from the lower part of the bearing beam (2), the lower part of the bearing beam (2) is suspended, and at the moment, the bearing beam (2) is lifted by the hanger rod (51);
s5, the driving assembly (7) drives the suspension rod (51) to move downwards, the supporting block (52) moves along with the suspension rod (51), the supporting block (52) descends, and the bearing beam (2) also descends along with the movement until the bearing beam (2) descends to the ground.
2. The construction method of the cast-in-place bridge steel pipe pile underwater support dismantling system according to claim 1, characterized in that: the following steps are added between step S3 and step S4:
s1, a first mounting plate (621) and a second mounting plate (622) are fixed on the support beam (61), the top end of the suspension rod (51) penetrates through the second mounting plate, and the second mounting plate (622) is connected with the suspension rod (51) in a sliding mode.
3. The construction method of the cast-in-place bridge steel pipe pile underwater support dismantling system according to claim 1, characterized in that: the following steps are added between step S3 and step S4:
s1, be provided with guide bar (8) between spandrel girder (2) and cast-in-place roof beam (5), guide bar (8) include first body of rod (81) and with first body of rod (81) second body of rod (82) that cup joints, first body of rod (81) and second body of rod (82) can stretch out and draw back, first body of rod (81) pass through bolted connection with cast-in-place roof beam (5), second body of rod (82) pass through bolted connection with spandrel girder (2).
4. The construction method of the cast-in-place bridge steel pipe pile underwater support dismantling system according to claim 2, characterized in that: threaded connection has stopper (63) on jib (51), stopper (63) are located the top of second mounting panel (622) and with second mounting panel (622) butt.
5. The construction method of the cast-in-place bridge steel pipe pile underwater support dismantling system according to claim 3, characterized in that: the outer wall of the first rod body (81) is provided with a strip hole (811), the outer wall of the second rod body (82) is fixed with a locking rod (83), the locking rod (83) penetrates through the strip hole (811), the locking rod (83) is connected with a fixing nut (84) through threads, and the fixing nut (84) abuts against the outer wall of the first rod body (81).
6. The construction method of the cast-in-place bridge steel pipe pile underwater support dismantling system according to claim 1, characterized in that: the driving assembly (7) comprises a first bevel gear (71), a second bevel gear (72) and a driving motor (73), the first bevel gear (71) is rotatably connected with the supporting beam (61), a rotating block (711) is fixed on one side, close to the supporting beam (61), of the first bevel gear (71), a mounting hole (611) is formed in the supporting beam (61), the rotating block (711) is located in the mounting hole (611), the second bevel gear (72) is meshed with the first bevel gear (71), and the driving motor (73) drives the second bevel gear (72).
7. The construction method of the cast-in-place bridge steel pipe pile underwater support dismantling system according to claim 1, characterized in that: the steel pipe pile is characterized in that a mounting groove (11) is formed in the top of the steel pipe pile (1), the length direction of the mounting groove (11) is perpendicular to the length direction of the cast-in-place beam (5), a mounting block (21) is fixed to one side, close to the steel pipe pile (1), of the bearing beam (2), and the mounting block (21) is in plug-in fit with the mounting groove (11).
8. The construction method of the cast-in-place bridge steel pipe pile underwater support dismantling system according to claim 7, characterized in that: the steel pipe pile is characterized in that a locking bolt (12) is arranged on the steel pipe pile (1), the locking bolt (12) penetrates through the steel pipe pile (1) and the mounting block (21), a locking nut (13) is connected to the locking bolt (12) in a threaded mode, and the mounting block (21) and the steel pipe pile (1) are fixed through the locking bolt (12) and the locking nut (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111250796.2A CN114134812A (en) | 2021-10-26 | 2021-10-26 | Construction method of in-water support dismantling system for cast-in-place bridge steel pipe pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111250796.2A CN114134812A (en) | 2021-10-26 | 2021-10-26 | Construction method of in-water support dismantling system for cast-in-place bridge steel pipe pile |
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| CN114134812A true CN114134812A (en) | 2022-03-04 |
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| CN202111250796.2A Pending CN114134812A (en) | 2021-10-26 | 2021-10-26 | Construction method of in-water support dismantling system for cast-in-place bridge steel pipe pile |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08199510A (en) * | 1995-01-20 | 1996-08-06 | P S Co Ltd | Execution method of cast-in-place floor slab section of precast concrete girder and form thereof |
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| CN104554620A (en) * | 2014-12-11 | 2015-04-29 | 浙江海洋学院 | Retractable bracket used for screw propeller open water testing device |
| CN108611981A (en) * | 2018-05-22 | 2018-10-02 | 江苏省交通工程集团有限公司 | A kind of door opening holder and its method for dismounting simply removed |
| CN212670551U (en) * | 2020-07-09 | 2021-03-09 | 中铁六局集团有限公司长沙路桥分公司 | Convenient dismantlement formula steel-pipe pile supports system |
| CN213358346U (en) * | 2020-09-19 | 2021-06-04 | 成都利方致远路桥工程有限公司 | Bridge cast-in-place beam support mounting and dismounting system |
| CN113202027A (en) * | 2021-04-07 | 2021-08-03 | 中交路桥建设有限公司 | Method for quickly dismantling cast-in-place beam steel pipe pile support |
-
2021
- 2021-10-26 CN CN202111250796.2A patent/CN114134812A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08199510A (en) * | 1995-01-20 | 1996-08-06 | P S Co Ltd | Execution method of cast-in-place floor slab section of precast concrete girder and form thereof |
| KR20100126648A (en) * | 2010-11-15 | 2010-12-02 | 어기택 | Method of the bridge construction which connects the steel pipe pile of abutment substituion and the precast girder with a fixation |
| CN104554620A (en) * | 2014-12-11 | 2015-04-29 | 浙江海洋学院 | Retractable bracket used for screw propeller open water testing device |
| CN108611981A (en) * | 2018-05-22 | 2018-10-02 | 江苏省交通工程集团有限公司 | A kind of door opening holder and its method for dismounting simply removed |
| CN212670551U (en) * | 2020-07-09 | 2021-03-09 | 中铁六局集团有限公司长沙路桥分公司 | Convenient dismantlement formula steel-pipe pile supports system |
| CN213358346U (en) * | 2020-09-19 | 2021-06-04 | 成都利方致远路桥工程有限公司 | Bridge cast-in-place beam support mounting and dismounting system |
| CN113202027A (en) * | 2021-04-07 | 2021-08-03 | 中交路桥建设有限公司 | Method for quickly dismantling cast-in-place beam steel pipe pile support |
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