CN112281774A - Inverted arch finalized formwork system and construction method - Google Patents
Inverted arch finalized formwork system and construction method Download PDFInfo
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- CN112281774A CN112281774A CN202011143045.6A CN202011143045A CN112281774A CN 112281774 A CN112281774 A CN 112281774A CN 202011143045 A CN202011143045 A CN 202011143045A CN 112281774 A CN112281774 A CN 112281774A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B9/00—Water-power plants; Layout, construction or equipment, methods of, or apparatus for, making same
- E02B9/02—Water-ways
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B9/00—Water-power plants; Layout, construction or equipment, methods of, or apparatus for, making same
- E02B9/02—Water-ways
- E02B9/06—Pressure galleries or pressure conduits; Galleries specially adapted to house pressure conduits; Means specially adapted for use therewith, e.g. housings, valves, gates
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
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Abstract
The invention relates to an inverted arch stereotyped formwork system and a construction method, wherein a self-propelled inverted arch trestle is adopted, a support is provided with a shock absorption measure and a safety protection net arranged below the support, a slide rail is mainly used for easily locking the self-propelled trestle, protective and slag-falling-preventing devices are hung below two end surfaces of an inverted arch, opposite supporting devices are hung below two end surfaces of the inverted arch, and the construction method mainly comprises the following construction steps: construction preparation, component customization and processing, self-propelled inverted arch trestle installation, inverted arch reinforcement cage binding, inverted arch template installation of a water delivery tunnel, inverted arch concrete pouring, inverted arch template dismantling and construction of the next construction section; the invention can reduce the interference between the tunnel face excavation construction transportation and the inverted arch construction, the work tools constructed by the tunnel face can pass through the trestle, the inverted arch construction at the lower part of the trestle is not influenced, and meanwhile, the trestle has large span, thereby providing a line production working face for the inverted arch construction, improving the construction efficiency and having better economic and technical benefits.
Description
Technical Field
The invention relates to the field of hydraulic engineering, in particular to an inverted arch stereotyped formwork system and a construction method.
Background
The water delivery tunnel is an important component in reservoir engineering, is a tunnel-like mechanism system developed in a mountain in the reservoir construction process, and is also called as a water delivery tunnel under the common condition; as the most critical and important project component in reservoir engineering, the construction quality of the water delivery tunnel has very important influence on the construction quality of the reservoir engineering and the exertion of reservoir functions, so the engineering quality of the water delivery tunnel is very important; because the water delivery tunnel section is little, the construction is restricted by the space, often because of not having ideal equipment and construction process, influence the quality and the progress of inverted arch lining construction, and then influence waterproof system, the structure of follow-up processes such as two linings of archwall lining links up quality and progress, tunnel inverted arch construction becomes the controllability process that restricts the quick construction of tunnel, especially the interference of inverted arch construction excavation slagging tap between the feeding room makes tunnel construction efficiency of construction and safety receive very big influence, especially under the nervous condition of tunnel construction period, the interference problem is more outstanding.
Disclosure of Invention
Based on this, the inverted arch stereotyped formwork system and the construction method are provided, which are high in construction speed, capable of reducing interference among construction machines and construction procedures and capable of guaranteeing construction quality of the water delivery tunnel, and used for solving related technical problems.
In a first aspect, the application provides an inverted arch finalized formwork system and a construction method, comprising the following construction steps:
step one, construction preparation: water supply, power supply and temporary facilities in the construction area all meet the construction requirements, the road is smooth, and the maintenance, inspection and approach work of machinery, transport vehicles and various auxiliary equipment are well done;
step two, customizing and processing the component: processing a rigid framework, an end steel template, a large-block combined steel template and the like;
step three, installing a self-propelled inverted arch trestle: shock absorption measures are arranged through a support, a safety protection net is arranged below the support, a front approach bridge and a rear approach bridge are movably arranged at two ends of a self-propelled inverted arch trestle through a traction rope, the front approach bridge and the rear approach bridge are retracted through the traction rope when the self-propelled inverted arch trestle moves, the front approach bridge is located above a tunnel face, the rear approach bridge is located above a poured inverted arch, a protection and slag falling prevention device is hung on the front approach bridge and the rear approach bridge, supports are arranged below the front approach bridge and the rear approach bridge, an expansion bottom plate is welded to the lower portions of the supports and located on the tunnel face and the poured inverted arch, a mobile power system is arranged below the self-propelled inverted arch trestle, the bottom of the mobile power system is located on the poured inverted arch, and lifting travelling wheels are adjusted and the mobile power system is started when the self-propelled inverted arch trestle moves;
step four, binding an inverted arch reinforcement cage: workers move through the lower hanging type movable manual operation platform and bind the inverted arch reinforcement cage on the suspension type reinforcement cage jig frame, the reinforcements and the large combined steel templates are transported through the hoisting device in the binding process, the suspension type reinforcement cage jig frame is moved up and down through adjusting the adjustable screw rod, the inverted arch reinforcement cage is lowered to a designed position after being bound, the suspension type reinforcement cage jig frame is dismantled, and the suspension type reinforcement cage jig frame is combined when the inverted arch reinforcement cage is bound at the next construction section;
step five, installing an inverted arch template of the water delivery tunnel: the method comprises the following steps that an end steel template and a steel template rapid guiding connecting steel plate are installed firstly through a hoisting device, an adjustable strut is arranged on the end steel template, after the end steel template is connected and tensioned with the hoisting device through a pull rod, the adjustable strut on the end steel template is contracted for hoisting, the elevation of the end steel template is adjusted through the adjustable strut, then two ends of a shaping support are respectively fixed on an inverted arch and the end steel template, the exposed part of the inverted arch is provided with a rigid framework, the steel template rapid guiding connecting steel plate is designed into an arc-shaped steel plate with the same radian as the inverted arch and is connected with the rigid framework through bolts, the upper side of the shaping support is fixed on the rigid framework, a large block combined steel template group is arranged on the outer side of the inverted arch and is connected in;
sixthly, pouring inverted arch concrete: the large combined steel template is not arranged at the gentle middle slope of the inverted arch, concrete is poured from the middle to two sides by a natural paving method, when the concrete is poured to the lower edge of the large combined steel template of the inverted arch, the concrete is poured into the template from the tops of two sides of the inverted arch, if the buoyancy of the poured concrete is large, the inverted arch template is divided into bins by adopting a bag for injecting water and balancing weight, so that the inverted arch concrete does not leave construction joints, and one-time pouring is completed;
seventhly, dismantling the inverted arch template: lifting the template to turn over the rigid framework by using a lifting device on the rail trolley, and dismantling the end steel template and the regularization support;
step eight, construction of the next construction section: and after the inverted arch template is dismantled, the self-propelled inverted arch trestle moves the next construction section to carry out the construction of the next inverted arch construction section.
Preferably, step three self-propelled invert trestle one end be equipped with elevation structure to be equipped with the over-and-under type travelling wheel below elevation structure, preceding approach passes through the haulage rope and is connected with elevation structure rotation, the back approach passes through the haulage rope and is connected with self-propelled invert trestle other end rotation, is equipped with the guardrail outside the self-propelled invert trestle.
Preferably, the tunnel face and the poured inverted arch in the step three are both positioned on the base layer.
Preferably, step four the small rail car be equipped with the multiunit, self-propelled invert landing stage below is equipped with the track, multiunit small rail car all slides and sets up on the track, lower hanging portable manual operation platform, overhead hoist and adjustable screw rod respectively with multiunit small rail car fixed connection, the screw rod setting with adjustable the adjustment is between small rail car and suspension type steel reinforcement cage bed-jig.
Preferably, the suspension type reinforcement cage jig in the fourth step is composed of detachable brackets.
Preferably, the adjustable support column in the fifth step is a telescopic structure.
Preferably, the bottom of one end of the regularization support in the fifth step is connected with an embedded threaded rod in a poured inverted arch, the bottom of the other end of the regularization support is connected with an end steel template through a fastening bolt, and the upper side of the regularization support is connected with the rigid framework through a bolt.
In a second aspect, the present application provides an inverted arch-shaped formwork system constructed by the inverted arch-shaped formwork system and the construction method.
Compared with the prior art, the invention has the following characteristics and beneficial effects:
1. all parts in the inverted arch stereotyped formwork system can be prefabricated and processed in a factory, and then are directly assembled outside the field, so that the construction speed is high, the turnover rate of formwork components is increased, and the construction cost is reduced.
2. The suspended reinforcement cage jig frame is adopted to assist operators to bind the inverted arch reinforcement cage, the lower-mounted movable manual operation platform is moved through the rail, and tools such as reinforcements are transported through the lifting device, so that the construction speed of the reinforcement cage is increased.
3. The invention reduces the interference between the tunnel face excavation construction transportation and the inverted arch construction, the working tools constructed by the tunnel face can pass through the trestle, the inverted arch construction at the lower part of the trestle is not influenced, and meanwhile, the trestle has large span, thereby providing a line production working face for the inverted arch construction, improving the construction efficiency and having better economic and technical benefits.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in related arts, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic view of an inverted arch regularization formwork system;
FIG. 2 is a schematic view of an inverted arch sizing form installation;
FIG. 3 is a flow chart of the construction process of the present invention.
In the figure: 1-a tunnel face, 2-a lower hanging type movable manual operation platform, 3-an inverted arch reinforcement cage, 4-a suspended reinforcement cage jig, 5-a mobile power system, 6-a poured inverted arch, 7-a support, 8-an enlarged bottom plate, 9-a base layer, 10-a rear approach bridge, 11-a protective and slag-dropping prevention device, 12-a traction rope, 13-a track trolley, 14-a self-propelled inverted arch trestle, 15-a hoisting device, 16-a track, 17-an adjustable screw, 18-a guardrail, 19-a front approach bridge, 20-a lifting travelling wheel, 21-an end steel template, 22-an adjustable strut, 23-a fastening bolt, 24-a shaped support, 25-a rigid framework and 26-a large combined steel template, 27-embedded threaded rod, 28-steel template rapid guiding connecting steel plate and 29-inverted arch middle concrete.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application. All other examples, which can be obtained by a person skilled in the art without making any inventive step based on the examples in this application, are within the scope of protection of this application.
It should be understood by those skilled in the art that technical or scientific terms used in the claims and the specification should have the ordinary meaning as understood by those having ordinary skill in the art to which this application belongs. "connected" or "coupled" and like terms are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect; "and/or" describes the association relationship of the associated objects, indicating that three relationships may exist; the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like refer to an orientation or positional relationship as shown in the drawings, which are used for convenience in describing and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be used in a particular manner without limitation.
As shown in fig. 1 to 3, to solve the above problems, an embodiment of the present invention provides an inverted arch shaped formwork system and a construction method, including the following construction steps:
step one, construction preparation: water supply, power supply and temporary facilities in the construction area all meet the construction requirements, the road is smooth, and the maintenance, inspection and approach work of machinery, transport vehicles and various auxiliary equipment are well done;
step two, customizing and processing the component: processing a rigid framework 25, an end steel template 21, a large-block combined steel template 26 and the like;
step three, installing a self-propelled inverted arch trestle: shock absorption measures are arranged through a support, a safety protection net is arranged below the support, a front approach bridge 19 and a rear approach bridge 19 are movably arranged at two ends of a self-propelled invert trestle 14 through a traction rope 12, the front approach bridge 19 and the rear approach bridge 19 are retracted through the traction rope 12 when the self-propelled invert trestle 14 moves, the front approach bridge 19 is positioned above a tunnel face 1, the rear approach bridge 19 is positioned above a poured invert 6, a protective and slag-falling-preventing device 11 is hung on the front approach bridge 19 and the rear approach bridge 19, at least one group of supports 7 is arranged below the front approach bridge 19 and the rear approach bridge 19, an enlarged bottom plate 8 is welded at the lower part of each group of supports 7, and a plurality of groups of expanding bottom plates 8 are respectively positioned on the tunnel face 1 and the poured inverted arch 6, a mobile power system 5 is arranged below the self-propelled inverted arch trestle 14, the bottom of the mobile power system 5 is positioned on the poured inverted arch 6, and the lifting travelling wheels are adjusted and the mobile power system 5 is started when the self-propelled inverted arch trestle 14 moves;
step four, binding an inverted arch reinforcement cage: a worker moves through the lower hanging type movable manual operation platform 2, binds the inverted arch reinforcement cage 3 on the suspension type reinforcement cage jig frame 4, transports the reinforcement and the large combined steel template 26 through the lifting device 15 in the binding process, realizes the up-and-down movement of the suspension type reinforcement cage jig frame 4 through adjusting the adjustable screw 17, and lowers the inverted arch reinforcement cage 3 to a designed position after the binding is finished, and removes the suspension type reinforcement cage jig frame 4;
step five, installing an inverted arch template of the water delivery tunnel: the end steel moulding plate 21 and the steel moulding plate rapid guiding connecting steel plate 28 are firstly installed through the hoisting device 15, the adjustable supporting columns 22 are arranged on the end steel templates 21, after the end steel templates 21 are connected and tensioned with the lifting device 15 by the pull rods, the adjustable supporting columns 22 on the end steel templates 21 are contracted for lifting, the elevation of the end steel template 21 is adjusted through the adjustable support column 22, then two ends of the regularization support 24 are respectively fixed on the inverted arch 6 and the end steel template 21, the exposed part of the inverted arch is provided with a rigid framework 25, the steel template rapid guiding connecting steel plate 28 is designed into an arc-shaped steel plate with the same radian as the inverted arch and is in bolt connection with the rigid framework 25 to play a role of rapid guiding, the upper side of the regularization support 24 is fixed on the rigid framework 25, a large combined steel template 26 group is arranged on the outer side of the inverted arch and is connected in a hinge mode, and the steel template is installed and removed in a turnover mode;
sixthly, pouring inverted arch concrete: the large combined steel templates 26 are not arranged at the gentle middle slope of the inverted arch, concrete is poured from the middle to two sides by a natural paving method, the middle position is inverted arch middle concrete 29, the two side positions are large combined steel templates 26, when the concrete is poured to the lower edge of the large combined steel templates 26 of the inverted arch, the concrete is poured into the inverted arch from the tops of the two sides of the inverted arch, if the buoyancy of the poured concrete is large, the inverted arch templates are divided into bins by using the inverted arch templates to inject water into the balance weight, so that the inverted arch concrete does not leave construction joints, and one-step pouring is completed;
seventhly, dismantling the inverted arch template: lifting the template to be turned over to the rigid framework 25 by using the lifting device 15 on the rail trolley 13, and dismantling the end steel template 21 and the regularization support 24;
step eight, construction of the next construction section: and after the inverted arch template is dismantled, the self-propelled inverted arch trestle moves the next construction section to carry out the construction of the next inverted arch construction section.
Preferably, step three's self-propelled invert trestle 14 one end is equipped with elevation structure to be equipped with over-and-under type travelling wheel 20 below elevation structure, preceding access 19 is connected with elevation structure rotation through haulage rope 12, and back access 19 is connected with self-propelled invert trestle 14 other end rotation through haulage rope 12, and the self-propelled invert trestle 14 outside is equipped with guardrail 18.
Preferably, the tunnel face 1 and the poured inverted arch 6 in the third step are both positioned on the base layer 9, and the end steel formwork 21 is arranged above the base layer 9 between the tunnel face 1 and the poured inverted arch 6.
Preferably, the rail trolleys 13 in the fourth step are provided with a plurality of groups, a rail 16 is arranged below the self-propelled inverted arch trestle 14, the plurality of groups of rail trolleys 13 are all arranged on the rail 16 in a sliding mode, the lower hanging type movable manual operation platform 2, the lifting device 15 and the adjustable screw 17 are respectively and fixedly connected with the plurality of groups of rail trolleys 13, and the adjustable screw 17 is arranged between the rail trolleys 13 and the suspension type steel reinforcement cage jig frame 4.
Preferably, the suspension type reinforcement cage jig 4 in the fourth step is composed of detachable brackets.
Preferably, the adjustable support column 22 in step five is a telescopic structure.
Preferably, the bottom of one end of the regularization support 24 in the fifth step is connected with an embedded threaded rod 27 in the poured inverted arch 6, the bottom of the other end of the regularization support is connected with an end steel template 21 through a fastening bolt 23, and the upper side of the regularization support 24 is connected with a rigid framework 25 through a bolt.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. An inverted arch regularization formwork system and a construction method are characterized in that: the method comprises the following construction steps:
step one, construction preparation: water supply, power supply and temporary facilities in the construction area all meet the construction requirements, the road is smooth, and the maintenance, inspection and approach work of machinery, transport vehicles and various auxiliary equipment are well done;
step two, customizing and processing the component: processing a rigid framework (25), an end steel template (21), a large-block combined steel template (26) and the like;
step three, installing a self-propelled inverted arch trestle: arranging damping measures and arranging a safety protection net below, wherein a front approach bridge (19) and a rear approach bridge (19) are movably arranged at two ends of a self-propelled inverted arch trestle (14) through a traction rope (12), the front approach bridge (19) is positioned above a tunnel face (1), the rear approach bridge (19) is positioned above a poured inverted arch (6), a protective and slag-falling-preventing device (11) is hung on the front approach bridge (19) and the rear approach bridge (19), a support (7) is arranged below the front approach bridge (19) and the rear approach bridge (19), an expansion bottom plate (8) is welded at the lower part of the support (7), the expansion bottom plate (8) is positioned on the tunnel face (1) and the poured inverted arch (6), a mobile power system (5) is arranged below the self-propelled inverted arch trestle (14), and the bottom of the mobile power system (5) is positioned on the poured inverted arch (6);
step four, binding an inverted arch reinforcement cage: workers move through the lower hanging type movable manual operation platform (2), the inverted arch reinforcement cage (3) is bound on the suspension type reinforcement cage jig frame (4), reinforcement and large combined steel templates (26) are transported through the hoisting device (15) in the binding process, the suspension type reinforcement cage jig frame (4) is moved up and down by adjusting the adjustable screw (17), the inverted arch reinforcement cage (3) is lowered to a designed position after being bound, and the suspension type reinforcement cage jig frame (4) is dismantled;
step five, installing an inverted arch template of the water delivery tunnel: an end steel template (21) and a steel template rapid guiding connecting steel plate (28) are firstly installed through a hoisting device (15), an adjustable strut (22) is arranged on the end steel template (21), after the end steel template (21) is connected and tensioned with the hoisting device (15) through a pull rod, the adjustable strut (22) on the end steel template (21) is contracted for hoisting, the elevation of the end steel template (21) is adjusted through the adjustable strut (22), then two ends of a sizing bracket (24) are respectively fixed on an inverted arch (6) and the end steel template (21), the exposed part of the inverted arch is provided with a rigid framework (25), the upper side of the sizing bracket (24) is fixed on the rigid framework (25), the steel template rapid guiding connecting steel plate (28) is designed into an arc steel plate which is the same as the inverted arch and is connected with the rigid framework (25) through bolts, a large-block combined steel template (26) group is arranged on the outer side of the inverted arch and is connected with a pivot mode, the installation and the removal are carried out in a turnover mode;
sixthly, pouring inverted arch concrete: the middle slope of the relatively gentle inverted arch is not provided with a large combined steel template (26), concrete is poured from the middle to two sides by a natural paving method, when the concrete is poured to the lower edge of the large combined steel template (26) of the inverted arch, the concrete is poured into the template from the tops of two sides of the inverted arch, if the buoyancy of the poured concrete is relatively large, the inverted arch template is divided into bins by a bag for injecting water for balancing weight, so that the inverted arch concrete does not leave construction joints, and one-time pouring is completed;
seventhly, dismantling the inverted arch template: a lifting device (15) on the rail trolley (13) is utilized to pull up the template to be turned over to the rigid framework (25), and the end steel template (21) and the sizing bracket (24) are removed;
step eight, construction of the next construction section: and after the inverted arch template is dismantled, the self-propelled inverted arch trestle moves the next construction section to carry out the construction of the next inverted arch construction section.
2. The inverted arch finalized formwork system and construction method thereof according to claim 1, characterized in that: step three self-propelled invert trestle (14) one end be equipped with elevation structure to be equipped with over-and-under type travelling wheel (20) below elevation structure, preceding approach (19) are connected with elevation structure rotation through haulage rope (12), back approach (19) are connected with self-propelled invert trestle (14) other end rotation through haulage rope (12), and self-propelled invert trestle (14) outside is equipped with guardrail (18).
3. The inverted arch finalized formwork system and construction method thereof according to claim 1, characterized in that: and step three, the tunnel face (1) and the poured inverted arch (6) are both positioned on the base layer (9).
4. The inverted arch finalized formwork system and construction method thereof according to claim 1, characterized in that: step four rail trolley (13) be equipped with the multiunit, self-propelled invert trestle (14) below is equipped with track (16), multiunit rail trolley (13) all slide to set up on track (16), lower hanging portable manual operation platform (2), overhead hoist (15) and adjustable screw rod (17) respectively with multiunit rail trolley (13) fixed connection, adjustable screw rod (17) of adjustment set up between rail trolley (13) and suspension type steel reinforcement cage bed-jig (4).
5. The inverted arch finalized formwork system and construction method thereof according to claim 1, characterized in that: and step four, the suspension type reinforcement cage jig frame (4) is composed of detachable supports.
6. The inverted arch finalized formwork system and construction method thereof according to claim 1, characterized in that: and fifthly, the adjustable support column (22) is of a telescopic structure.
7. The inverted arch finalized formwork system and construction method thereof according to claim 1, characterized in that: and fifthly, the bottom of one end of the sizing support (24) is connected with an embedded threaded rod (27) in the poured inverted arch (6), the bottom of the other end of the sizing support is connected with an end steel template (21) through a fastening bolt (23), and the upper side of the sizing support (24) is connected with a rigid framework (25) through a bolt.
8. The inverted arch sizing formwork system is characterized by being constructed according to the inverted arch sizing formwork system and the construction method of any one of claims 1 to 7.
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| CN202011143045.6A CN112281774B (en) | 2020-10-23 | 2020-10-23 | Inverted arch finalized formwork system and construction method |
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| CN202011143045.6A CN112281774B (en) | 2020-10-23 | 2020-10-23 | Inverted arch finalized formwork system and construction method |
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| JPH06116968A (en) * | 1992-10-05 | 1994-04-26 | Misawa Ceramics Kk | Temporary building-sustaining trestle, and structure therefor |
| CN102146799A (en) * | 2011-03-10 | 2011-08-10 | 中铁二局股份有限公司 | Construction equipment for inverted arch of two-track tunnel of high-speed railway |
| CN106499411A (en) * | 2016-11-29 | 2017-03-15 | 中铁隧道集团二处有限公司 | A kind of single-track tunnel macroportion inverted arch self-propelled hangs template and construction method |
| CN207582276U (en) * | 2017-10-30 | 2018-07-06 | 中铁隧道局集团有限公司 | Tunnel inverted arch construction bridge |
| CN109139039A (en) * | 2018-09-28 | 2019-01-04 | 中铁二十二局集团轨道工程有限公司 | A kind of whole structure and construction method with the long trestle of self-propelled of tunnel inverted arch |
-
2020
- 2020-10-23 CN CN202011143045.6A patent/CN112281774B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06116968A (en) * | 1992-10-05 | 1994-04-26 | Misawa Ceramics Kk | Temporary building-sustaining trestle, and structure therefor |
| CN102146799A (en) * | 2011-03-10 | 2011-08-10 | 中铁二局股份有限公司 | Construction equipment for inverted arch of two-track tunnel of high-speed railway |
| CN106499411A (en) * | 2016-11-29 | 2017-03-15 | 中铁隧道集团二处有限公司 | A kind of single-track tunnel macroportion inverted arch self-propelled hangs template and construction method |
| CN207582276U (en) * | 2017-10-30 | 2018-07-06 | 中铁隧道局集团有限公司 | Tunnel inverted arch construction bridge |
| CN109139039A (en) * | 2018-09-28 | 2019-01-04 | 中铁二十二局集团轨道工程有限公司 | A kind of whole structure and construction method with the long trestle of self-propelled of tunnel inverted arch |
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| CN112281774B (en) | 2022-05-27 |
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