CN114541260A - Thin-wall pier hydraulic creeping formwork construction method - Google Patents
Thin-wall pier hydraulic creeping formwork construction method Download PDFInfo
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- CN114541260A CN114541260A CN202111536189.2A CN202111536189A CN114541260A CN 114541260 A CN114541260 A CN 114541260A CN 202111536189 A CN202111536189 A CN 202111536189A CN 114541260 A CN114541260 A CN 114541260A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention provides a hydraulic creeping formwork construction method for a thin-wall pier, which comprises the following steps: pouring bottom concrete, binding the steel bars of the first layer of concrete body, and installing the bottom template frame on the top end of the bottom concrete through a first fixing device; installing the upper layer template frame on the top end of the bottom layer template frame through a lifting device, pouring concrete of the first layer concrete body to prepare a first layer concrete body, and binding reinforcing steel bars of the second layer concrete body at the top end of the first layer concrete body; removing the upper layer template frame, jacking the upper layer template frame to the height of a first concrete body through a lifting device, removing the bottom layer template frame, and lifting the bottom layer template frame through the lifting device; pouring concrete of the second layer concrete body, and preparing the second layer concrete body after the concrete reaches the strength; and repeating the steps until the manufacturing of the pier body of the thin-wall pier is completed, and then collecting the concrete surface of the thin-wall pier to complete the construction of the whole thin-wall pier. The invention can rapidly disassemble, assemble and move the bottom layer template frame and the upper layer template frame so as to facilitate the work of pouring cement.
Description
Technical Field
The invention relates to the technical field of thin-wall pier construction, in particular to a hydraulic creeping formwork construction method for a thin-wall pier.
Background
In the engineering field, the thin-wall pier is more and more widely applied to bridge engineering. When the hollow thin-wall pier is constructed, the main construction method comprises the following steps: a formwork-turning construction method, a hydraulic slide block construction method and a cantilever climbing formwork construction method.
The prior patent (application No. 201821184681.1) proposes a formwork for producing hollow thin-walled piers, which comprises: tripod mechanism, tripod mechanism includes: a connecting rod for installing hollow thin wall mound external template, a tripod for supporting this supporting platform, install and be used for fixed two tripods between two tripods, the tripod is two, two tripods set up side by side, every tripod includes the horizon bar at least, vertical pole, diagonal brace, the connecting rod is two at least, the connecting rod is the telescopic link of metal material, the equidistant distribution of length direction along vertical pole is followed to a plurality of connecting rods, vertical pole passes through tripod support fixed connection with pre-buried awl of climbing. This die carrier is through setting up the connecting rod into the telescopic link of metal material, and the telescopic link is realized flexible through the screw thread of a set of opposite direction of turning round, and the regulation of interval between two tripods is realized to the rotating member on the rotatory telescopic link.
The die carrier can realize the adjustment of the distance between the two tripods by rotating the rotating piece on the telescopic rod. However, the traditional formwork is poor in verticality adjustment during construction, pouring efficiency is low, and practical application is not facilitated.
Disclosure of Invention
Based on this, the present invention provides a hydraulic creeping formwork construction method for thin-walled piers, so as to solve the technical problems in the background art.
The invention provides a hydraulic creeping formwork construction method for a thin-wall pier, which comprises the following steps:
pouring bottom concrete, binding reinforcing steel bars of a first layer of concrete body after the bottom concrete reaches the strength, and installing a bottom template frame on the top end of the bottom concrete through a first fixing device;
step two, the upper template frame is arranged at the top end of the bottom template frame through a lifting device, and the lower surface of the upper template frame is controlled to be abutted against the upper surface of the bottom template frame through the lifting device;
pouring concrete of the first layer of concrete body, preparing the first layer of concrete body after the concrete reaches the strength, and binding reinforcing steel bars of the second layer of concrete body at the top end of the first layer of concrete body;
fourthly, removing the upper layer template frame, lifting the upper layer template frame by the lifting device to the height of a first layer concrete body after the upper layer template frame is installed again, removing the bottom layer template frame, and lifting the bottom layer template frame by the lifting device after the bottom layer template frame is installed again until the upper surface of the bottom layer template frame is flush with the concrete surface of the first layer concrete body and is abutted against the lower surface of the upper layer template frame;
pouring concrete of the second layer concrete body, and preparing the second layer concrete body after the concrete reaches the strength;
and step six, repeating the step three to the step four until the manufacturing of the pier body of the thin-wall pier is completed, and then well collecting the concrete surface of the thin-wall pier to complete the construction of the whole thin-wall pier.
Furthermore, the lifting device comprises first hydraulic oil cylinders arranged on two sides of the bottom template frame and second hydraulic oil cylinders arranged on the other two sides of the bottom template frame. In this embodiment, the telescopic rod of the second hydraulic cylinder stretches to drive the second template and the fourth template to move and demould.
Furthermore, the upper template frame comprises a first template and a second template, wherein the first template is connected with one side surface, close to each other, of the first hydraulic cylinders through a hinged seat, the second template is connected with one side surface, close to each other, of the second hydraulic cylinders through a hinged seat, and the first template and the second template are adjacent to each other and are connected through a first connecting and positioning assembly.
Furthermore, the first connecting and positioning assembly comprises a first L-shaped temporary fixing strip arranged at the bottom end of one side surface, far away from each other, of the two first templates and a second L-shaped temporary fixing strip fixed at the bottom end of one side surface, far away from each other, of the two second templates, and the first L-shaped temporary fixing strip and the second L-shaped temporary fixing strip are adjacent to each other and connected through bolts. In this embodiment, after the first template and the second template are aligned, the first L-shaped temporary fixing strip and the second L-shaped temporary fixing strip are combined together, so that after the first L-shaped temporary fixing strip and the second L-shaped temporary fixing strip are connected by the bolts, the connection between the first template and the second template is further strengthened.
Furthermore, the first connecting and positioning assembly further comprises a first rotating shaft arranged between the first L-shaped temporary fixing strip and the first template and rotatably connected with the first template through a bearing seat, and a second rotating shaft arranged between the second L-shaped temporary fixing strip and the second template and rotatably connected with the second template through a bearing seat, wherein the first rotating shaft is adjacent to the second rotating shaft and is connected with the second rotating shaft through a universal joint. In this embodiment, when the fourth template is fixed to the pier body of the thin-wall pier, the second hydraulic cylinder drives the second template to be demolded, and when the second template is fixed to the pier body of the thin-wall pier, the second hydraulic cylinder drives the fourth template to be demolded.
Further, first connection positioning element is still including embedding in first template both ends, and a plurality of electro-magnets that from top to bottom set gradually locate adjacent two between the electro-magnet, and embedding in the tongue tube of first template, and embedding in second template, and with the neodymium magnet that the tongue tube is corresponding, the tongue tube passes through the wire and is adjacent the electro-magnet is connected. In this embodiment, the electromagnet controller may energize the electromagnet through the switched-on circuit, so as to fix the second template by the electromagnet, thereby enhancing the connection relationship between the first template and the second template.
Furthermore, fixing seats are fixed at two ends of the top of the first template, and fixing rods penetrate through the two fixing seats.
Furthermore, the bottom template frame comprises a third template and a fourth template, wherein the third template is arranged at the bottom end of the first template and is rotationally connected with the first hydraulic oil cylinder through a bearing seat, the fourth template is arranged at the bottom end of the second template and is rotationally connected with the second hydraulic oil cylinder through a bearing seat, the third template is adjacent to the fourth template and is connected with the fourth template through a first fixing device, and the first fixing device is identical to the first connecting and positioning assembly in structure.
Further, the length of the third template and the fourth template is 4.5 m.
Further, the length of the first template and the second template is 13.5 m.
Compared with the prior art, the invention has the beneficial effects that:
firstly, the invention can rapidly disassemble, assemble and move the bottom layer template frame and the upper layer template frame so as to facilitate the work of pouring cement, and specifically comprises the following steps: the first template or the third template is controlled to be arranged on the pier body of the thin-wall pier, so that the detachment and movement of the first template and the third template are controlled through the extension and retraction of a piston rod of the first hydraulic oil cylinder; the second template or the fourth template is controlled to be installed on the pier body of the thin-wall pier, so that the second template and the fourth template are controlled to be dismounted and moved through the second hydraulic oil cylinder.
And secondly, when the neodymium magnet adsorbs and fixes the first template, the neodymium magnet enables the reed pipe to be connected with a lead between the reed pipe and the electromagnet, the lead between the electromagnet at the bottom end and the reed pipe is connected, the first template is completely aligned with the second template, and the electromagnet controller can be electrified by the electromagnet through a circuit after connection, so that the electromagnet adsorbs and fixes the second template, and the connection relation between the first template and the second template is enhanced.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention as set forth above.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural diagram of a first template according to the present invention;
FIG. 3 is a schematic view of a first connecting and positioning assembly according to the present invention;
FIG. 4 is a top view of the present invention;
FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;
FIG. 6 is an enlarged view of the structure of region A in FIG. 5;
FIG. 7 is an elevational, three-axis view of the present invention;
fig. 8 is a schematic structural view of the second template and the fourth template of the present invention.
Description of the main symbols:
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In an embodiment, referring to fig. 1 to 8, the present invention provides a method for constructing a hydraulic creeping formwork of a thin-wall pier, including the following steps:
pouring bottom layer concrete, binding reinforcing steel bars of a first layer concrete body after the bottom layer concrete reaches the strength, and installing a bottom layer template frame 20 at the top end of the bottom layer concrete through a first fixing device 10;
step two, the upper template frame 40 is arranged at the top end of the bottom template frame 20 through the lifting device 30, and the lower surface of the upper template frame 40 is controlled to be abutted against the upper surface of the bottom template frame 20 through the lifting device 30;
pouring concrete of the first layer of concrete body, preparing the first layer of concrete body after the concrete reaches the strength, and binding reinforcing steel bars of the second layer of concrete body at the top end of the first layer of concrete body;
removing the upper layer template frame 40, lifting the upper layer template frame 40 to the height of a first layer concrete body through the lifting device 30 after the upper layer template frame 40 is reinstalled, removing the mold of the bottom layer template frame 20, lifting the bottom layer template frame 20 through the lifting device 30 after the bottom layer template frame 20 is reinstalled until the upper surface of the bottom layer template frame 20 is flush with the concrete surface of the first layer concrete body and is abutted against the lower surface of the upper layer template frame 40;
pouring concrete of the second layer concrete body, and preparing the second layer concrete body after the concrete reaches the strength;
and step six, repeating the step three to the step four until the manufacturing of the pier body of the thin-wall pier is completed, and then collecting the concrete surface of the thin-wall pier to complete the construction of the whole thin-wall pier.
Specifically, referring to fig. 1 and 3 again, the lifting device 30 includes a first hydraulic cylinder 31 installed on two sides of the bottom formwork frame 20, and a second hydraulic cylinder 32 installed on the other two sides of the bottom formwork frame 20.
In addition, the upper formwork frame 40 includes a first formwork 41 connected to one side surface of the two first hydraulic cylinders 31 adjacent to each other through a hinge base, and a second formwork 42 connected to one side surface of the two second hydraulic cylinders 32 adjacent to each other through a hinge base, and the adjacent first formwork 41 and the second formwork 42 are connected through a first connecting and positioning assembly 43.
The first connecting and positioning assembly 43 includes a first L-shaped temporary fixing strip 431 mounted at the bottom end of one side surface of the two first templates 41 away from each other, and a second L-shaped temporary fixing strip 432 fixed at the bottom end of one side surface of the two second templates 42 away from each other, and the adjacent first L-shaped temporary fixing strip 431 and second L-shaped temporary fixing strip 432 are connected by bolts.
Meanwhile, the first connecting and positioning assembly 43 further includes a first rotating shaft 433 disposed between the first L-shaped temporary fixing bar 431 and the first template 41 and rotatably connected to the first template 41 through a bearing seat, and a second rotating shaft 434 disposed between the second L-shaped temporary fixing bar 432 and the second template 42 and rotatably connected to the second template 42 through a bearing seat, and the adjacent first rotating shaft 433 is connected to the second rotating shaft 434 through a universal joint 435.
It should be noted that, in this embodiment, the extension and retraction of the piston rod of the first hydraulic cylinder 31 drives the upgrading and demolding of the first template 41 and the third template 21, and the extension and retraction of the telescopic rod of the second hydraulic cylinder 32 drives the moving and demolding of the second template 42 and the fourth template 22.
Further, after the first template 41 and the second template 42 are aligned, the first L-shaped temporary fixing strip 431 and the second L-shaped temporary fixing strip 432 are combined together, so that after the first L-shaped temporary fixing strip 431 and the second L-shaped temporary fixing strip 432 are connected through bolts, the connection between the first template 41 and the second template 42 is further strengthened; further, after the fasteners are embedded into the pier body of the thin-wall pier, the fasteners are connected with the fasteners on the inner walls of the first L-shaped temporary fixing strip 431 and the second L-shaped temporary fixing strip 432 to temporarily support the first template 41 and the second template 42;
further, when the third formwork 21 is fixed on the pier body of the thin-wall pier, the piston rod of the first hydraulic oil cylinder 31 is extended and retracted to enable the piston rod of the first hydraulic oil cylinder 31 to pull the first formwork 41 through the bearing seat, and the first formwork 41 rotates by taking the first rotating shaft 433 as a rotating center to enable the first formwork 41 to be far away from the solidified concrete surface, so that the demolding of the first formwork 41 is completed;
similarly, when the first template 41 is fixed on the pier body of the thin-wall pier, the first hydraulic oil cylinder 31 drives the third template 21 to demold, when the fourth template 22 is fixed on the pier body of the thin-wall pier, the second hydraulic oil cylinder 32 drives the second template 42 to demold, and when the second template 42 is fixed on the pier body of the thin-wall pier, the second hydraulic oil cylinder 32 drives the fourth template 22 to demold;
since the adjacent first rotating shaft 433 and the second rotating shaft 434 are connected by the universal joint 435, the first template 41 and the second template 42 can rotate relatively, and the third template 21 and the fourth template 22 can rotate relatively.
Specifically, please refer to fig. 5 and 6 again, the first connecting and positioning assembly 43 further includes a plurality of electromagnets 436 embedded in two ends of the first mold plate 41 and sequentially arranged from top to bottom, a reed switch 437 embedded in the first mold plate 41 and disposed between two adjacent electromagnets 436, and a neodymium magnet 438 embedded in the second mold plate 42 and corresponding to the reed switch 437.
The reed switch 437 is connected to the adjacent electromagnet 436 through a conducting wire, the two ends of the top of the first template 41 are fixed with fixing seats 411, and the two fixing seats 411 are provided with fixing rods 412 in a penetrating manner.
The bottom layer template frame 20 comprises a third template 21 which is arranged at the bottom end of the first template 41 and is rotationally connected with the first hydraulic oil cylinder 31 through a bearing seat, and a fourth template 22 which is arranged at the bottom end of the second template 42 and is rotationally connected with the second hydraulic oil cylinder 32 through a bearing seat. The third formwork 21 is connected with the adjacent fourth formwork 22 through the first fixing device 10, the first fixing device 10 and the first connecting and positioning assembly 43 have the same structure, the lengths of the third formwork 21 and the fourth formwork 22 are 4.5m, and the lengths of the first formwork 41 and the second formwork 42 are 13.5 m.
It should be noted that, in this embodiment, when the first template 41 is gradually aligned with the second template 42, the reed switch 437 on the first template 41 gradually corresponds to the neodymium magnet 438 on the second template 42, so that while the neodymium magnet 438 is used to adsorb and fix the first template 41, the neodymium magnet 438 is used to enable the reed switch 437 to be connected with the conducting wire between the electromagnet 436 and the electromagnet 436, until the conducting wire between the electromagnet 436 at the bottom end and the reed switch 437 is connected, at this time, the first template 41 is completely aligned with the second template 42, and the electromagnet controller can energize the electromagnet 436 through the connected circuit, so that the electromagnet 436 adsorbs and fixes the second template 42, so as to strengthen the connection between the first template 41 and the second template 42;
furthermore, after the fixing rod 412 passes through the fixing seat 411, the connection between the first template 41 and the second template 42 is strengthened.
The specific operation mode of the invention is as follows:
during construction, firstly, pouring bottom layer concrete, after the bottom layer concrete reaches the strength, beginning to bind reinforcing steel bars of a first layer concrete body, installing a bottom layer template frame 20 at the top end of the bottom layer concrete through a first fixing device 10, installing an upper layer template frame 40 at the top end of the bottom layer template frame 20 through a lifting device 30, and controlling the lower surface of the upper layer template frame 40 to abut against the upper surface of the bottom layer template frame 20 through the lifting device 30;
pouring concrete of a first layer of concrete body, preparing the first layer of concrete body after the concrete reaches the strength, binding reinforcing steel bars of a second layer of concrete body at the top end of the first layer of concrete body, removing the upper layer of template frame 40, installing the upper layer of template frame 40 again, lifting the upper layer of template frame 40 by a lifting device 30 to the height of the first layer of concrete body, removing the bottom layer of template frame 20, installing the bottom layer of template frame 20 again, lifting the bottom layer of template frame 20 by the lifting device 30 until the upper surface of the bottom layer of template frame 20 is flush with the concrete surface of the first layer of concrete body and is abutted against the lower surface of the upper layer of template frame 40;
and pouring concrete of the second layer of concrete body, preparing the second layer of concrete body after the concrete reaches the strength, repeating the steps until the manufacturing of the pier body of the thin-wall pier is completed, and then collecting the concrete surface of the thin-wall pier to complete the construction of the whole thin-wall pier.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that the following descriptions are only illustrative and not restrictive, and that the scope of the present invention is not limited to the above embodiments: those skilled in the art can still make modifications or changes to the embodiments described in the foregoing embodiments, or make equivalent substitutions for some features, within the scope of the disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. The construction method of the hydraulic creeping formwork of the thin-wall pier is characterized by comprising the following steps:
pouring bottom layer concrete, binding reinforcing steel bars of a first layer concrete body after the bottom layer concrete reaches the strength, and installing a bottom layer template frame (20) at the top end of the bottom layer concrete through a first fixing device (10);
secondly, the upper template frame (40) is arranged at the top end of the bottom template frame (20) through the lifting device (30), and the lower surface of the upper template frame (40) is controlled to be abutted against the upper surface of the bottom template frame (20) through the lifting device (30);
pouring concrete of the first layer of concrete body, preparing the first layer of concrete body after the concrete reaches the strength, and binding reinforcing steel bars of the second layer of concrete body at the top end of the first layer of concrete body;
fourthly, removing the upper-layer template frame (40), jacking the upper-layer template frame (40) to the height of a first-layer concrete body through the lifting device (30) after the upper-layer template frame (40) is installed again, then removing the bottom-layer template frame (20), and lifting the bottom-layer template frame (20) through the lifting device (30) after the bottom-layer template frame (20) is installed again until the upper surface of the bottom-layer template frame (20) is flush with the concrete surface of the first-layer concrete body and is abutted against the lower surface of the upper-layer template frame (40);
pouring concrete of the second layer concrete body, and preparing the second layer concrete body after the concrete reaches the strength;
and step six, repeating the step three to the step four until the manufacturing of the pier body of the thin-wall pier is completed, and then well collecting the concrete surface of the thin-wall pier to complete the construction of the whole thin-wall pier.
2. The hydraulic creeping formwork construction method for thin-walled piers as claimed in claim 1, wherein the lifting means (30) comprises a first hydraulic cylinder (31) installed at both sides of the floor formwork frame (20), and a second hydraulic cylinder (32) installed at the other both sides of the floor formwork frame (20).
3. The hydraulic creeping formwork construction method for thin-walled piers according to claim 2, wherein the upper formwork frame (40) comprises a first formwork (41) connected to one side surface of the two first hydraulic cylinders (31) adjacent to each other through a hinge base, and a second formwork (42) connected to one side surface of the two second hydraulic cylinders (32) adjacent to each other through a hinge base, and the adjacent first formwork (41) and second formwork (42) are connected through a first connecting and positioning assembly (43).
4. The hydraulic creeping formwork construction method for the thin-wall pier according to claim 3, wherein the first connecting and positioning assembly (43) comprises a first L-shaped temporary fixing strip (431) mounted at the bottom end of one side surface of the two first formworks (41) which are far away from each other, and a second L-shaped temporary fixing strip (432) fixed at the bottom end of one side surface of the two second formworks (42) which are far away from each other, and adjacent first L-shaped temporary fixing strips (431) and second L-shaped temporary fixing strips (432) are connected through bolts.
5. The hydraulic creeping formwork construction method for the thin-wall pier according to claim 4, wherein the first connecting and positioning assembly (43) further comprises a first rotating shaft (433) arranged between the first L-shaped temporary fixing strip (431) and the first formwork (41) and rotatably connected with the first formwork (41) through a bearing seat, and a second rotating shaft (434) arranged between the second L-shaped temporary fixing strip (432) and the second formwork (42) and rotatably connected with the second formwork (42) through a bearing seat, and adjacent first rotating shaft (433) and second rotating shaft (434) are connected through a universal joint (435).
6. The hydraulic climbing formwork construction method for the thin-wall pier according to claim 5, wherein the first connecting and positioning assembly (43) further comprises a plurality of electromagnets (436) embedded in two ends of the first formwork (41) and sequentially arranged from top to bottom, a reed pipe (437) arranged between two adjacent electromagnets (436) and embedded in the first formwork (41), and neodymium magnets (438) embedded in the second formwork (42) and corresponding to the reed pipe (437), wherein the reed pipe (437) is connected with the adjacent electromagnets (436) through a conducting wire.
7. The hydraulic creeping formwork construction method for the thin-wall pier according to claim 6, wherein fixing seats (411) are fixed at two ends of the top of the first formwork (41), and fixing rods (412) penetrate through the two fixing seats (411).
8. The hydraulic creeping formwork construction method for the thin-wall pier according to claim 3, wherein the bottom formwork frame (20) comprises a third formwork (21) which is arranged at the bottom end of the first formwork (41) and is rotatably connected with the first hydraulic oil cylinder (31) through a bearing seat, and a fourth formwork (22) which is arranged at the bottom end of the second formwork (42) and is rotatably connected with the second hydraulic oil cylinder (32) through a bearing seat, the third formwork (21) is connected with the adjacent fourth formwork (22) through a second connecting and positioning component (23), and the second connecting and positioning component (23) has the same structure as the first connecting and positioning component (43).
9. The hydraulic creeping formwork construction method for the thin-walled pier according to claim 8, wherein the third formwork (21) and the fourth formwork (22) have a length of 4.5 m.
10. The hydraulic creeping formwork construction method for the thin-walled pier according to claim 4, wherein the length of the first formwork (41) and the second formwork (42) is 13.5 m.
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| CN202111536189.2A CN114541260B (en) | 2021-12-15 | 2021-12-15 | Hydraulic climbing formwork construction method for thin-wall pier |
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| CN202111536189.2A CN114541260B (en) | 2021-12-15 | 2021-12-15 | Hydraulic climbing formwork construction method for thin-wall pier |
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| JPH07247695A (en) * | 1994-03-14 | 1995-09-26 | Saga Kogyo Kk | Construction method for high structure and construction device used therefor |
| CN103161126A (en) * | 2013-04-11 | 2013-06-19 | 新疆北新路桥集团股份有限公司 | Road bridge variable section hollow high pier slip-form construction method |
| CN110042743A (en) * | 2019-05-05 | 2019-07-23 | 陕西路桥集团有限公司 | The hydraulic climbing die block system of twin legged thin wall hollow pier with synchronize climb construction technology |
| WO2021022608A1 (en) * | 2019-08-05 | 2021-02-11 | 山东恒堃机械有限公司 | Removal-and-mounting-free movable formwork across concrete continuous girder |
| CN110886199A (en) * | 2019-11-01 | 2020-03-17 | 中交第二航务工程局有限公司 | A formwork system suitable for hollow high pier and its installation and construction method |
| CN212375695U (en) * | 2019-11-01 | 2021-01-19 | 中交第二航务工程局有限公司 | Template system suitable for hollow high pier |
| CN212079327U (en) * | 2020-04-24 | 2020-12-04 | 中铁一局集团有限公司 | Hydraulic pressure regulation formula side wall template platform truck |
| CN113502756A (en) * | 2021-08-23 | 2021-10-15 | 宜春市春顺机械设备有限公司 | Thin-wall pier hydraulic creeping formwork system and construction method thereof |
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